import csv
import sys

from serato_doctor.cli import main


def test_cli_writes_reports_and_prints_counts(tmp_path, monkeypatch, capsys):
    serato = tmp_path / "serato"
    subcrates = serato / "Subcrates"
    music = tmp_path / "music"
    subcrates.mkdir(parents=True)
    music.mkdir()

    crate_text = (
        "Users/sample-user/OneDrive/Jukebox/Found.mp漳牴k"
        "Users/sample-user/OneDrive/Jukebox/Missing.mp漳牴k"
    )
    (subcrates / "Test.crate").write_bytes(crate_text.encode("utf-16-le"))
    (music / "Found.mp3").write_bytes(b"synthetic audio")
    csv_path = tmp_path / "scan.csv"
    report_path = tmp_path / "report.txt"
    monkeypatch.setattr(
        sys,
        "argv",
        [
            "serato-doctor",
            "--serato",
            str(serato),
            "--music",
            str(music),
            "--out",
            str(csv_path),
            "--report",
            str(report_path),
        ],
    )

    main()

    output = capsys.readouterr().out
    assert "Crate references: 2" in output
    assert "Disk tracks: 1" in output
    assert "Missing by filename: 1" in output
    assert f"CSV: {csv_path}" in output
    assert f"Report: {report_path}" in output
    with csv_path.open(newline="", encoding="utf-8") as csv_file:
        rows = list(csv.DictReader(csv_file))
    assert [row["exists_by_filename"] for row in rows] == ["True", "False"]
    assert "Total missing references: 1" in report_path.read_text(encoding="utf-8")


def test_cli_accepts_old_reference_root(tmp_path, monkeypatch, capsys):
    serato = tmp_path / "serato"
    subcrates = serato / "Subcrates"
    music = tmp_path / "music"
    subcrates.mkdir(parents=True)
    music.mkdir()
    (subcrates / "Test.crate").write_bytes(
        "Archive/Jukebox/Found.mp3otrk".encode("utf-16-le")
    )
    (music / "Found.mp3").write_bytes(b"synthetic audio")
    monkeypatch.setattr(
        sys,
        "argv",
        [
            "serato-doctor",
            "--serato",
            str(serato),
            "--music",
            str(music),
            "--out",
            str(tmp_path / "scan.csv"),
            "--report",
            str(tmp_path / "report.txt"),
            "--reference-root",
            "/Archive/Jukebox",
        ],
    )

    main()

    output = capsys.readouterr().out
    assert "Crate references: 1" in output
    assert "Missing by filename: 0" in output