"""Unit tests for the new Schedule-tab UI handlers (start over, share trace,
screenshot status). Run in stub mode; no network/model needed."""
import os

os.environ.setdefault("USE_STUB_EXTRACTOR", "1")

from ui import blocks  # noqa: E402


def test_start_over_clears_everything():
    out = blocks._on_start_over()
    # conversation, images_in, existing_cal, results(update), status, shot, trace
    assert len(out) == 7
    assert out[0] == ""          # conversation cleared
    assert out[1] is None        # images cleared
    assert out[2] is None        # ics cleared
    assert out[4] == ""          # status cleared
    assert out[5] == "" and out[6] == ""  # shot + trace cleared


def test_screenshot_status_none_and_some():
    assert blocks._screenshot_status(None) == ""
    assert blocks._screenshot_status([]) == ""
    one = blocks._screenshot_status(["/tmp/a.png"])
    assert "1 screenshot" in one and "attached" in one
    two = blocks._screenshot_status(["/tmp/a.png", "/tmp/b.png"])
    assert "2 screenshots" in two


def test_share_trace_unchecked_is_noop():
    assert blocks._on_share_trace(False, [["Picture Day", "2026-06-12T09:00", "", "", 30]]) == ""


def test_share_trace_checked_records_and_reports(tmp_path, monkeypatch):
    monkeypatch.setenv("TRACE_PATH", str(tmp_path / "traces.jsonl"))
    rows = [["Picture Day", "2026-06-12T09:00", "", "Lincoln", 30]]
    msg = blocks._on_share_trace(True, rows)
    assert "Privacy-safe trace recorded" in msg
    # a redacted line was written (events only)
    written = (tmp_path / "traces.jsonl").read_text(encoding="utf-8")
    assert "Picture Day" in written and "n_events" in written