"""Tests for `openrun.ingest.manual` — CSV import + idempotency."""

from __future__ import annotations

from pathlib import Path

import pytest

from openrun.ingest.manual import import_csv


def _write_csv(tmp_path: Path, text: str) -> Path:
    p = tmp_path / "manual.csv"
    p.write_text(text)
    return p


def test_import_csv_inserts_required_columns(tmp_conn, tmp_path: Path) -> None:
    csv = _write_csv(tmp_path, """\
activity_date,activity_type,distance_km,duration_min,training_load,notes
2026-05-15,strength,,45,30,upper body
2026-05-16,hike,8.0,120,40,morning hike
""")
    result = import_csv(tmp_conn, csv)
    assert result.inserted == 2
    assert result.updated == 0
    assert result.skipped == 0
    assert result.errors == []

    rows = tmp_conn.execute(
        "SELECT activity_date, activity_type, distance_km, duration_min, training_load, notes "
        "FROM manual_activities ORDER BY activity_date"
    ).fetchall()
    assert rows[0]["activity_date"] == "2026-05-15"
    assert rows[0]["activity_type"] == "strength"
    assert rows[0]["distance_km"] is None
    assert rows[0]["duration_min"] == 45
    assert rows[0]["training_load"] == 30
    assert rows[0]["notes"] == "upper body"
    assert rows[1]["distance_km"] == 8.0


def test_import_csv_requires_header_columns(tmp_conn, tmp_path: Path) -> None:
    csv = _write_csv(tmp_path, "date,type\n2026-05-15,strength\n")  # wrong column names
    with pytest.raises(ValueError, match="missing required columns"):
        import_csv(tmp_conn, csv)


def test_import_csv_external_id_makes_reimport_idempotent(tmp_conn, tmp_path: Path) -> None:
    csv = _write_csv(tmp_path, """\
activity_date,activity_type,training_load,external_id
2026-05-15,strength,30,strava-12345
""")
    import_csv(tmp_conn, csv)
    second = import_csv(tmp_conn, csv)
    assert second.inserted == 0
    assert second.updated == 1
    count = tmp_conn.execute("SELECT COUNT(*) FROM manual_activities").fetchone()[0]
    assert count == 1


def test_import_csv_reimport_with_new_tl_updates_value(tmp_conn, tmp_path: Path) -> None:
    """External_id upsert should reflect changed training_load on re-import."""
    csv1 = _write_csv(tmp_path, """\
activity_date,activity_type,training_load,external_id
2026-05-15,strength,30,k1
""")
    import_csv(tmp_conn, csv1)
    csv2 = _write_csv(tmp_path, """\
activity_date,activity_type,training_load,external_id
2026-05-15,strength,55,k1
""")
    import_csv(tmp_conn, csv2)
    tl = tmp_conn.execute("SELECT training_load FROM manual_activities WHERE external_id='k1'").fetchone()[0]
    assert tl == 55


def test_import_csv_blank_external_id_allows_duplicates(tmp_conn, tmp_path: Path) -> None:
    """No external_id = caller is intentionally logging without dedupe key. Two imports = two rows."""
    csv = _write_csv(tmp_path, """\
activity_date,activity_type,training_load
2026-05-15,strength,30
""")
    import_csv(tmp_conn, csv)
    import_csv(tmp_conn, csv)
    assert tmp_conn.execute("SELECT COUNT(*) FROM manual_activities").fetchone()[0] == 2


def test_import_csv_skips_bad_rows_but_keeps_going(tmp_conn, tmp_path: Path) -> None:
    csv = _write_csv(tmp_path, """\
activity_date,activity_type,training_load
2026-05-15,strength,30
bad-date,hike,40
2026-05-17,run,
""")
    result = import_csv(tmp_conn, csv)
    assert result.inserted == 2
    assert result.skipped == 1
    assert len(result.errors) == 1
    assert "line 3" in result.errors[0]


def test_import_csv_accepts_iso_datetime_in_date_column(tmp_conn, tmp_path: Path) -> None:
    csv = _write_csv(tmp_path, """\
activity_date,activity_type,training_load
2026-05-15T08:30:00,strength,30
""")
    import_csv(tmp_conn, csv)
    d = tmp_conn.execute("SELECT activity_date FROM manual_activities").fetchone()[0]
    assert d == "2026-05-15"