from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
UI_JS = (ROOT / "static" / "ui.js").read_text(encoding="utf-8")
STYLE_CSS = (ROOT / "static" / "style.css").read_text(encoding="utf-8")


def test_error_toast_default_duration_is_substantially_longer_than_info_toasts():
    assert "const TOAST_DEFAULT_MS=2800" in UI_JS
    assert "const TOAST_ERROR_DEFAULT_MS=20000" in UI_JS
    assert "const duration=(ms==null)?(t==='error'?TOAST_ERROR_DEFAULT_MS:TOAST_DEFAULT_MS):ms" in UI_JS
    assert "ms||2800" not in UI_JS


def test_error_toast_keeps_explicit_duration_override():
    show_toast = UI_JS[UI_JS.index("function showToast"):UI_JS.index("// ── Shared app dialogs")]
    assert "ms==null" in show_toast
    assert "?TOAST_ERROR_DEFAULT_MS" in show_toast
    assert ":TOAST_DEFAULT_MS" in show_toast
    assert "setToastDismissTimer(el,duration)" in show_toast


def test_error_toast_has_copy_button_for_exact_error_text():
    show_toast = UI_JS[UI_JS.index("function showToast"):UI_JS.index("// ── Shared app dialogs")]
    assert "toast-copy" in show_toast
    assert "data-toast-copy" in show_toast
    assert "copyToastText" in show_toast
    assert "const text=el?(el.dataset.toastMessage||el.textContent||''):''" in UI_JS
    assert "_copyText(text).then(done).catch(()=>{})" in UI_JS


def test_toast_dismissal_pauses_on_hover_and_keyboard_focus():
    assert "onmouseenter=()=>clearToastDismissTimer(el)" in UI_JS
    assert "onmouseleave=()=>setToastDismissTimer(el,duration)" in UI_JS
    assert "onfocusin=()=>clearToastDismissTimer(el)" in UI_JS
    assert "onfocusout=()=>setToastDismissTimer(el,duration)" in UI_JS
    # A *visible* toast must remain interactive so hover/focus can pause the
    # dismiss timer. Interactivity lives on `.toast.show` (see #3735): the hidden
    # base `.toast` is pointer-events:none so its invisible padding can't eat
    # taps on controls underneath it (mobile profile buttons), and it becomes
    # pointer-events:auto only once shown.
    assert ".toast.show{" in STYLE_CSS
    show_rule = STYLE_CSS[STYLE_CSS.index(".toast.show{"):STYLE_CSS.index("}", STYLE_CSS.index(".toast.show{"))]
    assert "pointer-events:auto" in show_rule
    assert ".toast{pointer-events:none" in STYLE_CSS  # hidden toast must not intercept clicks (#3735)
    assert ".toast-copy" in STYLE_CSS