import csv
from pathlib import Path

from src.config_loader import PersonStateLoggingSettings
from src.models import PersonStateEvent, PersonStateSnapshot, PersonStateSummary
from src.person_state_logger import PersonStateLogger


def test_person_state_csvs_bom_json_and_dedup(tmp_path: Path) -> None:
    logger = PersonStateLogger(PersonStateLoggingSettings(True, True, True, True, 1, str(tmp_path)), "exp", "stamp")
    logger.open()
    logger.write_snapshots([PersonStateSnapshot(1, 1, "t", 1., "tracked", metadata={"日本語": "状態"})])
    logger.write_events([PersonStateEvent("status_changed", 1, 1, "t", 1., "new", "tracked", metadata={"理由": "追跡"})])
    summary = PersonStateSummary("exp", 1, final_status="completed", completed=True)
    logger.write_summary(summary); logger.write_summary(summary); logger.close(); logger.close()
    assert all(path.read_bytes().startswith(b"\xef\xbb\xbf") for path in tmp_path.glob("*.csv"))
    assert "日本語" in (tmp_path / "stamp_exp_person_state_frames.csv").read_text(encoding="utf-8-sig")
    with (tmp_path / "stamp_exp_person_state_summary.csv").open(encoding="utf-8-sig", newline="") as stream:
        assert len(list(csv.DictReader(stream))) == 1