"""Tests for `vlm review-plan` CLI command."""

import csv
import json
from pathlib import Path

from click.testing import CliRunner

from vlm.cli import main


def _write_config(path: Path, library_root: Path) -> None:
    path.write_text(
        "\n".join(
            [
                f"library_root: {library_root}",
                "video_extensions:",
                "  - .mkv",
                "templates:",
                '  movie_dir: "movie/{title} ({year})/"',
                '  series_dir: "series/{title}/Season {season:02d}/"',
                '  movie_filename: "{title} ({year}){ext}"',
                '  series_filename: "S{season:02d}E{episode:02d}{ext}"',
                'quarantine_dir: ".quarantine"',
                'log_level: "INFO"',
            ]
        )
    )


def test_review_plan_generates_csv_and_summary(tmp_path):
    """review-plan should export flagged operations and summary counters."""
    config_path = tmp_path / "config.yaml"
    _write_config(config_path, tmp_path / "library")

    plan_path = tmp_path / "plan.json"
    plan_data = {
        "plan_id": "test-plan",
        "created_at": "2026-02-13T00:00:00+00:00",
        "operations": [
            {
                "operation_type": "move",
                "source_path": str(tmp_path / "Show.Sample.S01E01.mkv"),
                "destination_path": str(tmp_path / "library/series/Show/Season 01/S01E01.mkv"),
                "reason": "Organize series: Show S01E01",
                "has_conflict": False,
                "conflict_reason": None,
            },
            {
                "operation_type": "no-op",
                "source_path": str(tmp_path / "Show.S20E50.mkv"),
                "destination_path": None,
                "reason": "Series needs manual review (season exceeds configured threshold)",
                "has_conflict": False,
                "conflict_reason": None,
            },
        ],
        "summary": {"total": 2, "move": 1, "rename": 0, "quarantine": 0, "no-op": 1},
        "summary_by_reason": {},
        "human_summary": "",
        "metadata": {},
    }
    plan_path.write_text(json.dumps(plan_data), encoding="utf-8")

    output_csv = tmp_path / "review.csv"
    runner = CliRunner()
    result = runner.invoke(
        main,
        [
            "--config", str(config_path),
            "review-plan",
            "--input", str(plan_path),
            "--output", str(output_csv),
            "--season-threshold", "20",
            "--episode-threshold", "40",
        ],
    )

    assert result.exit_code == 0
    assert "Plan review summary:" in result.output
    assert "High-risk operations: 2" in result.output
    assert output_csv.exists()

    with open(output_csv, "r", encoding="utf-8", newline="") as f:
        rows = list(csv.DictReader(f))
    assert len(rows) == 2
    assert any("sample_source" in row["risk_flags"] for row in rows)
    assert any("manual_review" in row["risk_flags"] for row in rows)