"""Summary CSV: one row per visit with its disposition."""
from datetime import date
from decimal import Decimal
from pathlib import Path
from cyclone.rebill.summary import (
    SummaryRow,
    write_summary_csv,
    REBILLED_A, REBILLED_B, EXCLUDED_CARC, EXCLUDED_TIMELY_FILING,
    EXCLUDED_PAYER, EXCLUDED_NO_EVV,
)
from cyclone.rebill.reconcile import VisitRow


def test_summary_csv_emits_one_row_per_visit(tmp_path: Path):
    out = tmp_path / "summary.csv"
    rows = [
        SummaryRow(
            visit=VisitRow(date=date(2026, 6, 27), member_id="J813715",
                           procedure="T1019", billed=Decimal("2.32")),
            disposition=REBILLED_A, unpaid=Decimal("0.00"),
            cas_reasons=("CO-45",), file_path="pipeline-a/x.837",
        ),
        SummaryRow(
            visit=VisitRow(date=date(2026, 1, 1), member_id="OLD",
                           procedure="T1019", billed=Decimal("2.32")),
            disposition=EXCLUDED_TIMELY_FILING, unpaid=Decimal("2.32"),
            cas_reasons=(), file_path="",
        ),
    ]
    write_summary_csv(rows, out)
    text = out.read_text()
    assert "J813715" in text
    assert "REBILLED_A" in text
    assert "EXCLUDED_TIMELY_FILING" in text
    assert "OLD" in text


def test_disposition_constants():
    assert REBILLED_A == "REBILLED_A"
    assert REBILLED_B == "REBILLED_B"
    assert EXCLUDED_CARC == "EXCLUDED_CARC"
    assert EXCLUDED_TIMELY_FILING == "EXCLUDED_TIMELY_FILING"