"""Tests for the parse CLI command."""

import json

from click.testing import CliRunner

from vlm.cli import main


class TestParseCommand:
    """Tests for vlm parse command."""

    def test_parse_without_inventory_v1_schema(self, tmp_path):
        """Test parse without --inventory flag produces v1 schema."""
        # Create a simple inventory CSV (without metadata)
        inventory_csv = tmp_path / "inventory.csv"
        inventory_csv.write_text(
            "# vlm inventory\n"
            "path,filename,size_bytes,modified_timestamp,category,resolution,codec,duration_seconds,bitrate_kbps\n"
            "/library/movie/Matrix (1999).mkv,Matrix (1999).mkv,1000000,2024-01-01T00:00:00,movie,,,\n"
            "/library/series/Breaking Bad S01E01.mkv,Breaking Bad S01E01.mkv,500000,2024-01-02T00:00:00,series,,,\n"
        )

        output_json = tmp_path / "identities.json"

        runner = CliRunner()
        result = runner.invoke(
            main,
            [
                "--config",
                str(tmp_path / "config.yaml"),
                "parse",
                "--input",
                str(inventory_csv),
                "--output",
                str(output_json),
            ],
        )

        # Command should succeed
        assert result.exit_code == 0

        # Load output and verify v1 schema (no version field or version is 1.0)
        with open(output_json) as f:
            data = json.load(f)

        # v1 schema - no vlm_schema_version or it's "1.0"
        assert data.get("vlm_schema_version", "1.0") == "1.0"

        # Verify no video_metadata in records
        if data.get("movies"):
            for movie in data["movies"]:
                assert "video_metadata" not in movie
        if data.get("series"):
            for series in data["series"]:
                assert "video_metadata" not in series

    def test_parse_with_inventory_v2_schema(self, tmp_path):
        """Test parse with --inventory flag produces v2 schema with embedded metadata."""
        # Create inventory CSV with full metadata
        inventory_csv = tmp_path / "inventory.csv"
        inventory_csv.write_text(
            "# vlm inventory\n"
            "path,filename,size_bytes,modified_timestamp,category,resolution,codec,duration_seconds,bitrate_kbps\n"
            "/library/movie/Matrix (1999).mkv,Matrix (1999).mkv,2000000000,2024-01-01T10:00:00+00:00,movie,1920x1080,h264,7200.5,5000\n"
            "/library/series/Breaking Bad S01E01.mkv,Breaking Bad S01E01.mkv,500000000,2024-01-02T15:00:00+00:00,series,1280x720,h264,2700.0,3000\n"
        )

        output_json = tmp_path / "identities.json"

        runner = CliRunner()
        result = runner.invoke(
            main,
            [
                "--config",
                str(tmp_path / "config.yaml"),
                "parse",
                "--input",
                str(inventory_csv),
                "--output",
                str(output_json),
                "--inventory",
                str(inventory_csv),
            ],
        )

        # Command should succeed
        assert result.exit_code == 0
        assert "Loading video metadata from:" in result.output
        assert "Loaded metadata for 2 files" in result.output

        # Load output and verify v2 schema
        with open(output_json) as f:
            data = json.load(f)

        # v2 schema version
        assert data["vlm_schema_version"] == "2.0"

        # Verify video_metadata embedded in movie record
        assert len(data["movies"]) == 1
        movie = data["movies"][0]
        assert "video_metadata" in movie
        assert movie["video_metadata"]["size_bytes"] == 2000000000
        assert movie["video_metadata"]["resolution"] == "1920x1080"
        assert movie["video_metadata"]["codec"] == "h264"
        assert movie["video_metadata"]["duration_seconds"] == 7200.5
        assert movie["video_metadata"]["bitrate_kbps"] == 5000

        # Verify video_metadata embedded in series record
        assert len(data["series"]) == 1
        series = data["series"][0]
        assert "video_metadata" in series
        assert series["video_metadata"]["size_bytes"] == 500000000
        assert series["video_metadata"]["resolution"] == "1280x720"
        assert series["video_metadata"]["codec"] == "h264"
        assert series["video_metadata"]["duration_seconds"] == 2700.0
        assert series["video_metadata"]["bitrate_kbps"] == 3000

    def test_parse_with_inventory_partial_metadata(self, tmp_path):
        """Test parse with inventory that has partial metadata."""
        # Create inventory with some files having metadata, some not
        inventory_csv = tmp_path / "inventory.csv"
        inventory_csv.write_text(
            "# vlm inventory\n"
            "path,filename,size_bytes,modified_timestamp,category,resolution,codec,duration_seconds,bitrate_kbps\n"
            "/library/movie/Matrix (1999).mkv,Matrix (1999).mkv,2000000000,2024-01-01T10:00:00+00:00,movie,1920x1080,h264,,\n"
            "/library/movie/Inception (2010).mkv,Inception (2010).mkv,1500000000,2024-01-02T10:00:00+00:00,movie,,,\n"
        )

        output_json = tmp_path / "identities.json"

        runner = CliRunner()
        result = runner.invoke(
            main,
            [
                "--config",
                str(tmp_path / "config.yaml"),
                "parse",
                "--input",
                str(inventory_csv),
                "--output",
                str(output_json),
                "--inventory",
                str(inventory_csv),
            ],
        )

        # Command should succeed
        assert result.exit_code == 0

        # Load output and verify
        with open(output_json) as f:
            data = json.load(f)

        assert data["vlm_schema_version"] == "2.0"
        assert len(data["movies"]) == 2

        # First movie has partial metadata
        movie1 = data["movies"][0]
        assert movie1["video_metadata"]["size_bytes"] == 2000000000
        assert movie1["video_metadata"]["resolution"] == "1920x1080"
        assert movie1["video_metadata"]["codec"] == "h264"
        assert movie1["video_metadata"]["duration_seconds"] is None
        assert movie1["video_metadata"]["bitrate_kbps"] is None

        # Second movie has minimal metadata
        movie2 = data["movies"][1]
        assert movie2["video_metadata"]["size_bytes"] == 1500000000
        assert movie2["video_metadata"]["resolution"] is None
        assert movie2["video_metadata"]["codec"] is None