// Integration tests for MovieMapper
// Tests module interactions and integration between components

use movie_mapper::model::file::MediaFile;
use movie_mapper::service::audit_logger::{AuditAction, AuditLogger};
use movie_mapper::service::file_mapper::FileMapper;
use movie_mapper::service::file_metadata::MetadataExtractor;
use movie_mapper::service::file_scanner::FileScanner;
use movie_mapper::service::tag_manager::TagManager;
use std::fs::{self, File};
use std::io::Write;
use tempfile::tempdir;

/// Integration test for scanning directory and extracting metadata
#[tokio::test]
async fn test_scan_and_extract_metadata() {
    let temp_dir = tempdir().unwrap();

    // Create a test media file
    let media_file = temp_dir.path().join("test_video.mp4");
    let mut file = File::create(&media_file).unwrap();
    // Write some dummy data (not a real video, but enough for testing)
    file.write_all(b"dummy data").unwrap();

    // Scan directory
    let scanner = FileScanner::new();
    let files = scanner.scan_directory(temp_dir.path(), None).await.unwrap();

    assert_eq!(files.len(), 1);
    assert_eq!(files[0].name, "test_video.mp4");

    // Extract metadata
    let extractor = MetadataExtractor::new();
    let metadata_file = extractor.extract_metadata(&media_file).unwrap();

    assert_eq!(metadata_file.name, "test_video.mp4");
    // Duration and quality should be default values since it's not a real video
    assert_eq!(metadata_file.duration, "00:00");
    assert_eq!(metadata_file.quality, "unknown");
}

/// Integration test for file tagging and movement
#[tokio::test]
async fn test_tag_and_move_files() {
    let temp_dir = tempdir().unwrap();
    let extra_folder = temp_dir.path().join("extras");

    // Create test files
    let file1 = temp_dir.path().join("video1.mp4");
    let file2 = temp_dir.path().join("video2.mkv");

    File::create(&file1).unwrap();
    File::create(&file2).unwrap();

    // Tag files
    let mut tag_manager = TagManager::new();
    tag_manager.add_tag(&file1, "extra").unwrap();
    tag_manager.add_tag(&file2, "extra").unwrap();

    // Move tagged files
    fs::create_dir_all(&extra_folder).unwrap();
    let moved_count = tag_manager
        .move_tagged_files("extra", &extra_folder)
        .await
        .unwrap();

    assert_eq!(moved_count, 2);
    assert!(!file1.exists());
    assert!(!file2.exists());
    assert!(extra_folder.join("video1.mp4").exists());
    assert!(extra_folder.join("video2.mkv").exists());
}

/// Integration test for audit logging
#[tokio::test]
async fn test_audit_logging_integration() {
    let temp_dir = tempdir().unwrap();
    let logger = AuditLogger::new(temp_dir.path().to_str().unwrap());

    // Test directory selection logging
    let action = AuditAction::DirectorySelected {
        path: temp_dir.path().to_string_lossy().to_string(),
    };

    logger.log_event(action).unwrap();

    // Verify .audit file was created
    let audit_path = temp_dir.path().join(".audit");
    assert!(audit_path.exists());

    // Test file rename logging
    let file1 = temp_dir.path().join("original.mp4");
    File::create(&file1).unwrap();

    let file2 = temp_dir.path().join("renamed.mp4");
    fs::rename(&file1, &file2).unwrap();

    let rename_action = AuditAction::RenameFile {
        old_path: file1.to_string_lossy().to_string(),
        new_path: file2.to_string_lossy().to_string(),
        old_name: "original.mp4".to_string(),
        new_name: "renamed.mp4".to_string(),
    };

    logger.log_event(rename_action).unwrap();

    // Verify audit log contains both entries
    let content = fs::read_to_string(&audit_path).unwrap();
    assert!(content.contains("directory_selected"));
    assert!(content.contains("rename_file"));
}

/// Integration test for complete file workflow
#[tokio::test]
async fn test_complete_file_workflow() {
    let temp_dir = tempdir().unwrap();

    // Step 1: Scan directory
    let scanner = FileScanner::new();
    let mut file = File::create(temp_dir.path().join("movie.mp4")).unwrap();
    file.write_all(b"test").unwrap();

    let files = scanner.scan_directory(temp_dir.path(), None).await.unwrap();
    assert_eq!(files.len(), 1);

    // Step 2: Extract metadata
    let extractor = MetadataExtractor::new();
    let metadata = extractor.extract_metadata(&files[0].path).unwrap();
    assert_eq!(metadata.name, "movie.mp4");

    // Step 3: Tag file
    let mut tag_manager = TagManager::new();
    tag_manager.add_tag(&metadata.path, "extra").unwrap();
    assert!(tag_manager.has_tag(&metadata.path, "extra"));

    // Step 4: Log audit event
    let logger = AuditLogger::new(temp_dir.path().to_str().unwrap());
    let action = AuditAction::TagFile {
        file_path: metadata.path.to_string_lossy().to_string(),
        tag: "extra".to_string(),
    };
    logger.log_event(action).unwrap();

    // Verify .audit file exists
    let audit_path = temp_dir.path().join(".audit");
    assert!(audit_path.exists());
}

/// Integration test for file mapping
#[tokio::test]
async fn test_file_mapping() {
    let temp_dir = tempdir().unwrap();

    // Create test files
    let file1 = temp_dir.path().join("video1.mp4");
    let file2 = temp_dir.path().join("video2.mkv");
    File::create(&file1).unwrap();
    File::create(&file2).unwrap();

    // Create MediaFile objects
    let files = vec![MediaFile::from_path(file1), MediaFile::from_path(file2)];

    // Map files
    let mapper = FileMapper::new();
    let result = mapper
        .map_files(&files, "Test Show", 1, None)
        .await
        .unwrap();

    assert_eq!(result.success, 2);
    assert_eq!(result.errors, 0);
}

/// Integration test for error handling in scanning
#[tokio::test]
async fn test_scan_error_handling() {
    let scanner = FileScanner::new();

    // Test with non-existent directory
    let result = scanner
        .scan_directory(std::path::Path::new("/nonexistent/path/xyz"), None)
        .await;

    assert!(result.is_err());
}

/// Integration test for TVDB API integration (requires API key)
#[tokio::test]
async fn test_tvdb_api_integration() {
    let api_key = match std::env::var("TVDB_API_KEY") {
        Ok(key) => key,
        Err(_) => {
            // Skip test if no API key
            return;
        }
    };

    let mut tvdb = movie_mapper::service::tvdb_api::TVDBClient::new(&api_key).unwrap();

    // Test authentication
    let auth_result = tvdb.authenticate().await;
    assert!(
        auth_result.is_ok(),
        "Authentication should succeed with valid API key"
    );

    // Test search functionality
    let shows = tvdb.search("Breaking Bad").await;
    assert!(shows.is_ok(), "Search should succeed");
    let shows = shows.unwrap();
    assert!(!shows.is_empty(), "Should find at least one show");

    // Test get show details
    if !shows.is_empty() {
        let details = tvdb.get_show_details(shows[0].id).await;
        assert!(details.is_ok(), "Get show details should succeed");
        let details = details.unwrap();
        assert_eq!(details.id, shows[0].id);
    }
}

/// Integration test for progress callback during scanning
#[tokio::test]
async fn test_scan_with_progress_callback() {
    let temp_dir = tempdir().unwrap();

    // Create multiple test files
    for i in 0..5 {
        let file_path = temp_dir.path().join(format!("video{}.mp4", i));
        File::create(&file_path).unwrap();
    }

    let scanner = FileScanner::new();
    let mut progress_events = Vec::new();

    let _ = scanner
        .scan_directory(
            temp_dir.path(),
            Some(&mut |current, total, filename| {
                progress_events.push((current, total, filename.to_string()));
            }),
        )
        .await
        .unwrap();

    assert!(!progress_events.is_empty());
    assert_eq!(progress_events.last().unwrap().0, 5); // Final count should be 5
}

/// Integration test for TagManager persistence
#[tokio::test]
async fn test_tag_manager_persistence() {
    let temp_dir = tempdir().unwrap();
    let tags_file = temp_dir.path().join("tags.json");

    let mut tag_manager = TagManager::new();
    let file_path = temp_dir.path().join("video.mp4");

    // Add tags
    tag_manager.add_tag(&file_path, "extra").unwrap();
    tag_manager.add_tag(&file_path, "commentary").unwrap();

    // Save to file
    tag_manager.save_tags_to_file(&tags_file).unwrap();
    assert!(tags_file.exists());

    // Load tags into new manager
    let mut new_manager = TagManager::new();
    new_manager.load_tags_from_file(&tags_file).unwrap();

    // Verify tags were loaded
    assert!(new_manager.has_tag(&file_path, "extra"));
    assert!(new_manager.has_tag(&file_path, "commentary"));
    assert_eq!(new_manager.get_tags(&file_path).len(), 2);
}

/// Integration test for FileMapper filename generation
#[test]
fn test_file_mapper_filename_generation() {
    let mapper = FileMapper::new();

    // Test basic filename generation
    let filename = mapper.generate_jellyfin_filename("Show Name", 1, 1, 1, "1080p", ".mp4");
    assert_eq!(filename, "Show Name S01E01 - 1080p.mp4");

    // Test with no quality
    let filename = mapper.generate_jellyfin_filename("Show Name", 1, 1, 1, "", ".mp4");
    assert_eq!(filename, "Show Name S01E01.mp4");

    // Test with unknown quality
    let filename = mapper.generate_jellyfin_filename("Show Name", 1, 1, 1, "unknown", ".mp4");
    assert_eq!(filename, "Show Name S01E01.mp4");

    // Test with episode range
    let filename = mapper.generate_jellyfin_filename("Show Name", 2, 1, 3, "720p", ".mkv");
    assert_eq!(filename, "Show Name S02E01-03 - 720p.mkv");
}