"""Tests for CLI quarantine commands.

This module tests the CLI interface for quarantine operations.
"""

import pytest
from click.testing import CliRunner

from vlm.cli import main


@pytest.fixture
def temp_library(tmp_path):
    """Create a temporary library structure for testing."""
    library_root = tmp_path / "library"
    
    # Create category directories
    (library_root / "movie").mkdir(parents=True)
    (library_root / "series").mkdir(parents=True)
    (library_root / "anime").mkdir(parents=True)
    (library_root / "other").mkdir(parents=True)
    
    return library_root


@pytest.fixture
def config_file(tmp_path, temp_library):
    """Create a temporary config file."""
    config_path = tmp_path / "config.yaml"
    
    config_content = f"""
library_root: "{temp_library}"
video_extensions:
  - .mp4
  - .mkv
  - .avi

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"
"""
    
    config_path.write_text(config_content)
    return config_path


class TestQuarantineListCommand:
    """Tests for 'vlm quarantine list' command."""
    
    def test_list_empty_quarantine(self, config_file):
        """Test listing when no files are quarantined."""
        runner = CliRunner()
        result = runner.invoke(main, ['--config', str(config_file), 'quarantine', 'list'])
        
        assert result.exit_code == 0
        assert "No quarantined files found" in result.output
    
    def test_list_with_quarantined_files(self, config_file, temp_library):
        """Test listing quarantined files."""
        runner = CliRunner()
        
        # Create a test movie file
        movie_file = temp_library / "movie" / "Test Movie (2020).mkv"
        movie_file.write_text("test content")
        
        # Quarantine the file first
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie_file)
        ])
        assert result.exit_code == 0
        
        # Now list quarantined files
        result = runner.invoke(main, ['--config', str(config_file), 'quarantine', 'list'])
        
        assert result.exit_code == 0
        assert "Test Movie (2020).mkv" in result.output
        assert "Category: movie" in result.output
    
    def test_list_filter_by_category(self, config_file, temp_library):
        """Test listing with category filter."""
        runner = CliRunner()
        
        # Create and quarantine a movie file
        movie_file = temp_library / "movie" / "Movie.mkv"
        movie_file.write_text("movie content")
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie_file)
        ])
        assert result.exit_code == 0
        
        # List only movie category
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'list',
            '--category', 'movie'
        ])
        
        assert result.exit_code == 0
        assert "Movie.mkv" in result.output
        assert "category 'movie'" in result.output


class TestQuarantineAddCommand:
    """Tests for 'vlm quarantine add' command."""
    
    def test_add_movie_file(self, config_file, temp_library):
        """Test adding a movie file to quarantine."""
        runner = CliRunner()
        
        # Create a test movie file
        movie_file = temp_library / "movie" / "Test Movie (2020).mkv"
        movie_file.write_text("test content")
        
        # Quarantine the file
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie_file)
        ])
        
        assert result.exit_code == 0
        assert "successfully quarantined" in result.output
        assert not movie_file.exists()  # Original file should be moved
        
        # Check quarantine location
        quarantine_path = temp_library / "movie" / ".quarantine" / "Test Movie (2020).mkv"
        assert quarantine_path.exists()
        assert quarantine_path.read_text() == "test content"
    
    def test_add_series_file(self, config_file, temp_library):
        """Test adding a series file to quarantine."""
        runner = CliRunner()
        
        # Create a test series file
        series_file = temp_library / "series" / "Show Name" / "S01E01.mkv"
        series_file.parent.mkdir(parents=True)
        series_file.write_text("series content")
        
        # Quarantine the file
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(series_file)
        ])
        
        assert result.exit_code == 0
        assert "successfully quarantined" in result.output
        assert not series_file.exists()
    
    def test_add_with_reason(self, config_file, temp_library):
        """Test adding file with a reason."""
        runner = CliRunner()
        
        # Create a test movie file
        movie_file = temp_library / "movie" / "Duplicate.mkv"
        movie_file.write_text("test content")
        
        # Quarantine with reason
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie_file),
            '--reason', 'duplicate file'
        ])
        
        assert result.exit_code == 0
        assert "Reason: duplicate file" in result.output
        assert "successfully quarantined" in result.output
    
    def test_add_anime_file_rejected(self, config_file, temp_library):
        """Test that anime files are rejected."""
        runner = CliRunner()
        
        # Create a test anime file
        anime_file = temp_library / "anime" / "Anime Show.mkv"
        anime_file.write_text("anime content")
        
        # Try to quarantine (should fail)
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(anime_file)
        ])
        
        assert result.exit_code == 1
        assert "not supported" in result.output.lower()
        assert anime_file.exists()  # File should still exist
    
    def test_add_nonexistent_file(self, config_file, temp_library):
        """Test adding a file that doesn't exist."""
        runner = CliRunner()
        
        # Try to quarantine non-existent file
        nonexistent = temp_library / "movie" / "DoesNotExist.mkv"
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(nonexistent)
        ])
        
        # Click should catch this before our code runs
        assert result.exit_code != 0


class TestQuarantineRestoreCommand:
    """Tests for 'vlm quarantine restore' command."""
    
    def test_restore_movie_file(self, config_file, temp_library):
        """Test restoring a movie file from quarantine."""
        runner = CliRunner()
        
        # Create and quarantine a movie file
        movie_file = temp_library / "movie" / "Test Movie.mkv"
        movie_file.write_text("test content")
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie_file)
        ])
        assert result.exit_code == 0
        
        # Get quarantine path
        quarantine_path = temp_library / "movie" / ".quarantine" / "Test Movie.mkv"
        assert quarantine_path.exists()
        
        # Restore the file
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'restore',
            str(quarantine_path)
        ])
        
        assert result.exit_code == 0
        assert "successfully restored" in result.output
        assert movie_file.exists()  # Original location should have file
        assert not quarantine_path.exists()  # Quarantine should be empty
        assert movie_file.read_text() == "test content"
    
    def test_restore_series_file(self, config_file, temp_library):
        """Test restoring a series file from quarantine."""
        runner = CliRunner()
        
        # Create and quarantine a series file
        series_file = temp_library / "series" / "Show" / "S01E01.mkv"
        series_file.parent.mkdir(parents=True)
        series_file.write_text("series content")
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(series_file)
        ])
        assert result.exit_code == 0
        
        # Get quarantine path
        quarantine_path = temp_library / "series" / ".quarantine" / "Show" / "S01E01.mkv"
        assert quarantine_path.exists()
        
        # Restore the file
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'restore',
            str(quarantine_path)
        ])
        
        assert result.exit_code == 0
        assert "successfully restored" in result.output
        assert series_file.exists()
    
    def test_restore_conflict(self, config_file, temp_library):
        """Test restoring when original location is occupied."""
        runner = CliRunner()
        
        # Create and quarantine a movie file
        movie_file = temp_library / "movie" / "Movie.mkv"
        movie_file.write_text("original content")
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie_file)
        ])
        assert result.exit_code == 0
        
        # Create a new file at the original location
        movie_file.write_text("new content")
        
        # Try to restore (should fail due to conflict)
        quarantine_path = temp_library / "movie" / ".quarantine" / "Movie.mkv"
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'restore',
            str(quarantine_path)
        ])
        
        assert result.exit_code == 1
        assert "Cannot restore" in result.output or "already exists" in result.output
        assert movie_file.read_text() == "new content"  # Original location unchanged
        assert quarantine_path.exists()  # File still in quarantine


class TestQuarantineIntegration:
    """Integration tests for quarantine workflow."""
    
    def test_full_quarantine_workflow(self, config_file, temp_library):
        """Test complete workflow: add -> list -> restore."""
        runner = CliRunner()
        
        # Create test files
        movie1 = temp_library / "movie" / "Movie1.mkv"
        movie2 = temp_library / "movie" / "Movie2.mkv"
        movie1.write_text("content1")
        movie2.write_text("content2")
        
        # Add both to quarantine
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie1),
            '--reason', 'duplicate'
        ])
        assert result.exit_code == 0
        
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'add',
            str(movie2),
            '--reason', 'low quality'
        ])
        assert result.exit_code == 0
        
        # List quarantined files
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'list'
        ])
        assert result.exit_code == 0
        assert "Movie1.mkv" in result.output
        assert "Movie2.mkv" in result.output
        assert "Total: 2 quarantined file(s)" in result.output
        
        # Restore one file
        quarantine_path1 = temp_library / "movie" / ".quarantine" / "Movie1.mkv"
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'restore',
            str(quarantine_path1)
        ])
        assert result.exit_code == 0
        
        # List again (should show only 1 file now)
        result = runner.invoke(main, [
            '--config', str(config_file),
            'quarantine', 'list'
        ])
        assert result.exit_code == 0
        assert "Movie1.mkv" not in result.output
        assert "Movie2.mkv" in result.output
        assert "Total: 1 quarantined file(s)" in result.output
        
        # Verify restored file
        assert movie1.exists()
        assert movie1.read_text() == "content1"