const { app, BrowserWindow, dialog, ipcMain } = require('electron');
const path = require('path');
const { scanDirectory, extractFileMetadata } = require('./utils/fileUtils');
const dotenv = require('dotenv');

// Load environment variables from .env file
dotenv.config();

// Check if a directory was passed as command line argument
const commandLineDirectory = process.argv.find(arg => arg.startsWith('--dir=') || arg.startsWith('-d='))?.split('=')[1];

// Debug: Log command line arguments
console.log('Command line arguments:', process.argv);
console.log('Parsed directory:', commandLineDirectory);

// Handle creating/removing shortcuts on Windows when installing/uninstalling.
try {
  if (require('electron-squirrel-startup')) {
    app.quit();
  }
} catch (error) {
  // electron-squirrel-startup not available on non-Windows platforms
  console.log('electron-squirrel-startup not available (expected on non-Windows platforms)');
}

let mainWindow;

// Create the browser window.
function createWindow() {
  mainWindow = new BrowserWindow({
    width: 1200,
    height: 800,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      nodeIntegration: false,
      contextIsolation: true,
      sandbox: false,
    },
  });

  // and load the index.html of the app.
  mainWindow.loadFile('index.html');

  // If a directory was provided in command line, automatically select it
  if (commandLineDirectory) {
    console.log('Auto-selecting directory:', commandLineDirectory);
    // Send a message to the renderer to automatically select the directory
    setTimeout(() => {
      mainWindow.webContents.send('auto-select-directory', commandLineDirectory);
    }, 1000);
  }

}

// IPC handler for selecting directory
ipcMain.handle('select-directory', async () => {
  try {
    const result = await dialog.showOpenDialog({
      properties: ['openDirectory']
    });
    
    if (result.canceled) {
      return { success: false, error: 'No directory selected' };
    }
    
    return { 
      success: true, 
      directory: result.filePaths[0] 
    };
  } catch (error) {
    return { success: false, error: error.message };
  }
});

// IPC handler for scanning directory
ipcMain.handle('scan-directory', async (event, directoryPath) => {
  try {
    if (!directoryPath) {
      return { success: false, error: 'No directory path provided' };
    }
    
    // Progress callback to send updates to renderer
    const progressCallback = (current, total, fileName) => {
      if (mainWindow && mainWindow.webContents) {
        mainWindow.webContents.send('scan-progress', { current, total, fileName });
      }
    };
    
    const files = await scanDirectory(directoryPath, progressCallback);
    return { success: true, files: files };
  } catch (error) {
    return { success: false, error: error.message };
  }
});

// Enhanced logging for debugging problematic files
ipcMain.handle('log-file-info', async (event, filePath) => {
  try {
    const fs = require('fs');
    const stats = fs.statSync(filePath);
    return { 
      success: true, 
      fileInfo: {
        path: filePath,
        size: stats.size,
        modified: stats.mtime,
        isFile: stats.isFile(),
        isDirectory: stats.isDirectory()
      }
    };
  } catch (error) {
    return { success: false, error: error.message };
  }
});

// IPC handler for renaming file
ipcMain.handle('rename-file', async (event, { oldPath, newName }) => {
  try {
    const fs = require('fs');
    const newPath = path.join(path.dirname(oldPath), newName);
    
    // Check if file exists
    if (!fs.existsSync(oldPath)) {
      return { success: false, error: 'Original file does not exist' };
    }
    
    // Check if file is writable
    try {
      fs.accessSync(oldPath, fs.constants.W_OK);
    } catch (err) {
      return { success: false, error: 'File is not writable' };
    }
    
    // Rename the file
    fs.renameSync(oldPath, newPath);
    
    // Write audit log
    const fileDir = path.dirname(oldPath);
    writeAuditLog(fileDir, 'rename_file', {
      oldPath: oldPath,
      newPath: newPath,
      oldName: path.basename(oldPath),
      newName: newName
    });
    
    return { success: true, message: 'File renamed successfully' };
  } catch (error) {
    return { success: false, error: error.message };
  }
});

// Create log file for debugging
const fs = require('fs');

// Ensure log file exists at startup
const logFilePath = path.join(__dirname, 'app-debug.log');
try {
  // Try to create or truncate the log file
  fs.writeFileSync(logFilePath, `=== Application started at ${new Date().toISOString()} ===\n`);
  console.log('Debug log file created successfully at:', logFilePath);
} catch (error) {
  console.error('Failed to create debug log file:', error.message);
  throw new Error('Cannot create debug log file - check permissions');
}

function writeLog(message) {
  const timestamp = new Date().toISOString();
  const logEntry = `[${timestamp}] ${message}\n`;
  try {
    fs.appendFileSync(logFilePath, logEntry);
    console.log(logEntry.trim());
  } catch (error) {
    console.error('Failed to write to log file:', error.message);
  }
}

// Function to write audit log to directory-specific audit file
function writeAuditLog(directoryPath, action, details) {
  const auditFileName = '.audit';
  const auditFilePath = path.join(directoryPath, auditFileName);
  
  const timestamp = new Date().toISOString();
  const auditEntry = {
    timestamp: timestamp,
    action: action,
    details: details
  };
  
  try {
    const entryString = JSON.stringify(auditEntry) + '\n';
    fs.appendFileSync(auditFilePath, entryString);
    writeLog(`Audit entry written: ${action} - ${JSON.stringify(details)}`);
  } catch (error) {
    writeLog(`Failed to write audit entry: ${error.message}`);
    console.error('Failed to write audit entry:', error.message);
  }
}

// IPC handler for moving file to folder
ipcMain.handle('move-file-to-folder', async (event, { filePath, folderName }) => {
  try {
    writeLog(`Move file request received: ${filePath} to ${folderName}`);
    
    // Note: fs and path are already required at the top level
    
    // Check if file exists
    if (!fs.existsSync(filePath)) {
      const error = 'File does not exist';
      writeLog(`ERROR: ${error}`);
      return { success: false, error: error };
    }
    
    // Validate folder name and map to actual folder names
    // "extra" maps to "extras" for Jellyfin compatibility
    // "behind-the-scenes" maps to "behind the scenes"
    const validFolders = ['extra', 'behind-the-scenes', 'commentary', 'delete'];
    if (!validFolders.includes(folderName)) {
      const error = 'Invalid folder name. Must be "extra", "behind-the-scenes", "commentary", or "delete"';
      writeLog(`ERROR: ${error}`);
      return { success: false, error: error };
    }
    
    // Map folder names to actual directory names
    let actualFolderName;
    if (folderName === 'extra') {
      actualFolderName = 'extras';
    } else if (folderName === 'behind-the-scenes') {
      actualFolderName = 'behind the scenes';
    } else {
      actualFolderName = folderName; // 'commentary' and 'delete' stay as-is
    }
    
    // Get directory containing the file
    const fileDir = path.dirname(filePath);
    const targetFolder = path.join(fileDir, actualFolderName);
    
    writeLog(`Moving file from: ${filePath}`);
    writeLog(`Target folder: ${targetFolder}`);
    
    // Create the target folder if it doesn't exist
    if (!fs.existsSync(targetFolder)) {
      writeLog(`Creating target folder: ${targetFolder}`);
      fs.mkdirSync(targetFolder, { recursive: true });
    }
    
    // Generate new file path
    const fileName = path.basename(filePath);
    const newFilePath = path.join(targetFolder, fileName);
    
    writeLog(`New file path: ${newFilePath}`);
    
    // Check if file with same name already exists in target folder
    if (fs.existsSync(newFilePath)) {
      const error = 'File with same name already exists in target folder';
      writeLog(`ERROR: ${error}`);
      return { success: false, error: error };
    }
    
    // Move the file
    writeLog('Moving file...');
    fs.renameSync(filePath, newFilePath);
    
    writeLog(`File moved successfully to: ${newFilePath}`);
    
    // Write audit log
    writeAuditLog(fileDir, 'move_file', {
      originalPath: filePath,
      newPath: newFilePath,
      folder: folderName
    });
    
    return { success: true, message: `File moved to ${folderName} folder successfully` };
  } catch (error) {
    writeLog(`CRITICAL ERROR in move-file-to-folder: ${error.message}`);
    writeLog(`Stack trace: ${error.stack}`);
    return { success: false, error: error.message };
  }
});

// IPC handler for beginning the mapping process
ipcMain.handle('begin-mapping', async (event, { directory, files, tvdbId }) => {
  writeLog(`[BEGIN-MAPPING] Starting mapping for ${files.length} files in ${directory}`);
  
  try {
    const fs = require('fs');
    const path = require('path');
    
    // Get season folder name (direct parent of files)
    const seasonFolder = path.basename(directory);
    
    // Get show folder (parent of season folder)
    const showFolderPath = path.dirname(directory);
    const showFolderName = path.basename(showFolderPath);
    
    // Extract season number from folder name (e.g., "Season 01" -> 1, "S01" -> 1)
    const seasonMatch = seasonFolder.match(/(?:season\s*|s)(\d+)/i);
    const seasonNumber = seasonMatch ? parseInt(seasonMatch[1]) : 1;
    
    writeLog(`[BEGIN-MAPPING] Show folder: ${showFolderName}, Season: ${seasonNumber}`);
    
    // Extract clean show name (without tvdbid bracket if present)
    // Matches [tvdbid-XXXXX] or [tvdbid-series-XXXXX] formats
    // Also removes leading semicolons or other problematic characters
    let showName = showFolderName.replace(/\s*\[tvdbid-[^\]]+\]/, '').trim();
    showName = showName.replace(/^[;:]+/, '').trim();
    
    // Rename each file first (using original paths)
    let successCount = 0;
    let errorCount = 0;
    
    for (const file of files) {
      try {
        const oldPath = file.filePath;
        const ext = path.extname(oldPath);
        
        const seasonNum = String(seasonNumber).padStart(2, '0');
        
        // Handle episode ranges (e.g., "1-3" for multiple episodes)
        const episodeStart = file.episodeStart || file.episodeNumber || 1;
        const episodeEnd = file.episodeEnd !== undefined ? file.episodeEnd : episodeStart;
        
        // If range is valid (start < end), create multi-episode files
        if (episodeEnd > episodeStart) {
          // Multi-episode range (e.g., "ShowName S01E01-E03 - 1080p.ext")
          const startEpNum = String(episodeStart).padStart(2, '0');
          const endEpNum = String(episodeEnd).padStart(2, '0');
          
          let newFileName = `${showName} S${seasonNum}E${startEpNum}-E${endEpNum}`;
          if (file.quality && file.quality !== 'N/A' && file.quality !== '-') {
            newFileName += ` - ${file.quality}`;
          }
          newFileName += ext;
          
          const newPath = path.join(path.dirname(oldPath), newFileName);
          
          writeLog(`[BEGIN-MAPPING] Processing range: ${episodeStart}-${episodeEnd}, new filename: ${newFileName}`);
          
          // Check if target already exists
          if (fs.existsSync(newPath)) {
            writeLog(`[BEGIN-MAPPING] Target exists, skipping: ${newFileName}`);
            errorCount++;
            continue;
          }
          
          fs.renameSync(oldPath, newPath);
          writeLog(`[BEGIN-MAPPING] Renamed range: ${path.basename(oldPath)} -> ${newFileName}`);
          successCount++;
        } else {
          // Single episode (original logic)
          const epNum = String(episodeStart).padStart(2, '0');
          
          let newFileName = `${showName} S${seasonNum}E${epNum}`;
          if (file.quality && file.quality !== 'N/A' && file.quality !== '-') {
            newFileName += ` - ${file.quality}`;
          }
          newFileName += ext;
          
          const newPath = path.join(path.dirname(oldPath), newFileName);
          
          // Skip if file already has the correct name
          if (oldPath === newPath) {
            writeLog(`[BEGIN-MAPPING] File already mapped: ${path.basename(oldPath)}`);
            successCount++;
            continue;
          }
          
          // Check if target already exists
          if (fs.existsSync(newPath)) {
            writeLog(`[BEGIN-MAPPING] Target exists, skipping: ${newFileName}`);
            errorCount++;
            continue;
          }
          
          fs.renameSync(oldPath, newPath);
          writeLog(`[BEGIN-MAPPING] Renamed: ${path.basename(oldPath)} -> ${newFileName}`);
          successCount++;
        }
      } catch (fileErr) {
        writeLog(`[BEGIN-MAPPING] Error renaming file: ${fileErr.message}`);
        errorCount++;
      }
    }
    
    // Now rename show folder at the end (if needed)
    // Determine if we're in a season folder (has season pattern) or show folder
    const isSeasonFolder = seasonFolder.match(/(?:season\s*|s)(\d+)/i);
    const folderToRename = isSeasonFolder ? showFolderPath : directory;
    const folderName = isSeasonFolder ? showFolderName : seasonFolder;
    
    let newDirectory = directory;
    if (tvdbId && !folderName.includes('[tvdbid-')) {
      const newFolderName = `${folderName} [tvdbid-${tvdbId}]`;
      const newFolderPath = path.join(path.dirname(folderToRename), newFolderName);
      
      try {
        fs.renameSync(folderToRename, newFolderPath);
        writeLog(`[BEGIN-MAPPING] Renamed folder to: ${newFolderName}`);
        newDirectory = isSeasonFolder ? path.join(newFolderPath, seasonFolder) : newFolderPath;
        writeLog(`[BEGIN-MAPPING] New directory path: ${newDirectory}`);
      } catch (renameErr) {
        writeLog(`[BEGIN-MAPPING] Could not rename folder: ${renameErr.message}`);
      }
    }
    
    writeLog(`[BEGIN-MAPPING] Complete. Success: ${successCount}, Errors: ${errorCount}`);
    return { success: true, renamed: successCount, errors: errorCount, newDirectory: newDirectory };
  } catch (error) {
    writeLog(`[BEGIN-MAPPING] Critical error: ${error.message}`);
    return { success: false, error: error.message };
  }
});

// Function to test moving files (for debugging purposes)
function testMoveFunction() {
  // This is for testing the function directly from main process
  console.log('Testing move function directly...');
  
  const fs = require('fs');
  const path = require('path');
  
  const testDir = path.join(__dirname, 'test_debug');
  const testFilePath = path.join(testDir, 'test_video.mp4');
  
  // Clean up test dir
  if (fs.existsSync(testDir)) {
    fs.rmSync(testDir, { recursive: true });
  }
  
  // Create test dir and file
  fs.mkdirSync(testDir, { recursive: true });
  fs.writeFileSync(testFilePath, 'test content');
  
  console.log('Created test file:', testFilePath);
  
  // Test moving to extra
  const targetFolder = path.join(testDir, 'extra');
  fs.mkdirSync(targetFolder, { recursive: true });
  
  const newFilePath = path.join(targetFolder, 'test_video.mp4');
  fs.renameSync(testFilePath, newFilePath);
  
  console.log('Test move completed successfully');
  console.log('File now at:', newFilePath);
}

// IPC handler for searching TVDB
ipcMain.handle('search-tvdb', async (event, query) => {
  try {
    // Import required modules
    const axios = require('axios');
    
    // Get API key from environment
    const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
    
    if (!apiKey) {
      throw new Error('TVDB_API_KEY not found in environment variables');
    }
    
    // For TVDB v4 API, we need to first get an authentication token
    // The token is valid for 1 month
    let token = null;
    
    // Try to get token from cache or login
    try {
      const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
        apikey: apiKey
      }, {
        headers: {
          'Content-Type': 'application/json',
          'Accept': 'application/json'
        }
      });
      
      token = loginResponse.data.data.token;
    } catch (loginError) {
      console.error('TVDB Login Error:', loginError.message);
      throw new Error('Failed to authenticate with TVDB API: ' + loginError.message);
    }
    
    // Make API request to TheTVDB v4 search endpoint
    const response = await axios.get('https://api4.thetvdb.com/v4/search', {
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json',
        'Accept': 'application/json'
      },
      params: {
        query: query
      }
    });
    
    // Process the results - v4 API returns different structure
    const results = response.data.data.map(show => ({
      id: show.id,
      seriesName: show.name,
      status: show.status?.name,
      firstAired: show.firstAired,
      overview: show.overview,
      image: show.image,
      slug: show.slug
    }));
    
    return { success: true, results: results };
  } catch (error) {
    console.error('TVDB API Error:', error.message);
    console.error('Error status:', error.response?.status);
    console.error('Error data:', error.response?.data);
    
    // No more mock data - propagate the actual error
    return { success: false, error: 'Failed to fetch data from TVDB API: ' + error.message };
  }
});

// IPC handler for getting show details including seasons
ipcMain.handle('get-show-details', async (event, showId) => {
  try {
    // Import required modules
    const axios = require('axios');
    
    // Get API key from environment
    const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
    
    if (!apiKey) {
      throw new Error('TVDB_API_KEY not found in environment variables');
    }
    
    // For TVDB v4 API, we need to first get an authentication token
    let token = null;
    
    // Try to get token from cache or login
    try {
      const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
        apikey: apiKey
      }, {
        headers: {
          'Content-Type': 'application/json',
          'Accept': 'application/json'
        }
      });
      
      token = loginResponse.data.data.token;
    } catch (loginError) {
      console.error('TVDB Login Error:', loginError.message);
      throw new Error('Failed to authenticate with TVDB API: ' + loginError.message);
    }
    
    // Extract numeric ID from the show ID (handle both formats: series-73011 and 73011)
    let numericId = showId;
    if (showId && showId.startsWith('series-')) {
      numericId = showId.split('series-')[1];
    }
    
    // Get extended show details which includes season information
    const response = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/extended`, {
      headers: {
        'Authorization': `Bearer ${token}`,
        'Content-Type': 'application/json',
        'Accept': 'application/json'
      }
    });
    
    if (response.data && response.data.data) {
      const showData = response.data.data;
      
      // Fetch episodes to count per season
      let episodeCounts = {};
      try {
        const episodesResponse = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/episodes/default`, {
          headers: {
            'Authorization': `Bearer ${token}`,
            'Content-Type': 'application/json',
            'Accept': 'application/json'
          },
          params: { page: 0 }
        });
        
        if (episodesResponse.data?.data?.episodes) {
          episodesResponse.data.data.episodes.forEach(ep => {
            const sn = ep.seasonNumber;
            episodeCounts[sn] = (episodeCounts[sn] || 0) + 1;
          });
        }
      } catch (epError) {
        console.log('Could not fetch episodes for count:', epError.message);
      }
      
      // Extract season information properly
      let seasons = [];
      if (showData.seasons && Array.isArray(showData.seasons)) {
        seasons = showData.seasons.map(season => ({
          id: season.id,
          number: season.number,
          type: season.type?.name || 'Unknown',
          episodeCount: episodeCounts[season.number] || 0
        }));
      }
      
      return { 
        success: true, 
        data: {
          id: showData.id,
          name: showData.name,
          status: showData.status?.name || showData.status,
          firstAired: showData.firstAired,
          overview: showData.overview,
          image: showData.image,
          slug: showData.slug,
          seasons: seasons
        }
      };
    } else {
      throw new Error('Invalid response structure from TVDB API');
    }
  } catch (error) {
    console.error('TVDB API Error getting show details:', error.message);
    console.error('Error status:', error.response?.status);
    console.error('Error data:', error.response?.data);
    
    // Return the error without trying fallbacks that cause scope issues
    return { success: false, error: 'Failed to fetch show details from TVDB API: ' + error.message };
  }
});

// IPC handler for getting season episodes
ipcMain.handle('get-season-episodes', async (event, showId, seasonNumber) => {
  try {
    // Import required modules
    const axios = require('axios');
    
    // Get API key from environment
    const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
    
    if (!apiKey) {
      throw new Error('TVDB_API_KEY not found in environment variables');
    }
    
    // For TVDB v4 API, we need to first get an authentication token
    let token = null;
    
    // Try to get token from cache or login
    try {
      const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
        apikey: apiKey
      }, {
        headers: {
          'Content-Type': 'application/json',
          'Accept': 'application/json'
        }
      });
      
      token = loginResponse.data.data.token;
    } catch (loginError) {
      console.error('TVDB Login Error:', loginError.message);
      throw new Error('Failed to authenticate with TVDB API: ' + loginError.message);
    }
    
    // Extract numeric ID from the show ID (handle both formats: series-73011 and 73011)
    let numericId = showId;
    if (showId && showId.startsWith('series-')) {
      numericId = showId.split('series-')[1];
    }
    
    // Try to get episodes for a specific season using the correct endpoint structure
    // Based on the API documentation, we should use: /series/{id}/episodes/{season-type}
    // where season-type can be "default", "aired", "dvd", etc.
    
    try {
      // First try the season-specific endpoint
      const episodesResponse = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/episodes/default`, {
        headers: {
          'Authorization': `Bearer ${token}`,
          'Content-Type': 'application/json',
          'Accept': 'application/json'
        },
        params: {
          page: 0
        }
      });
      
      if (episodesResponse.data && episodesResponse.data.data) {
        // Process episodes and filter by season number
        const episodes = episodesResponse.data.data.episodes ? episodesResponse.data.data.episodes
          .filter(episode => episode.seasonNumber === seasonNumber)
          .map(episode => ({
            id: episode.id,
            name: episode.name,
            number: episode.number,
            seasonNumber: episode.seasonNumber,
            aired: episode.aired,
            overview: episode.overview,
            runtime: episode.runtime
          })) : [];
        
        return { 
          success: true, 
          data: {
            showId: showId,
            seasonNumber: seasonNumber,
            episodes: episodes
          }
        };
      }
    } catch (seasonError) {
      console.log('Season-specific endpoint failed, falling back to all episodes:', seasonError.message);
      // If season-specific endpoint fails, fall back to getting all episodes and filtering
      const episodesResponse = await axios.get(`https://api4.thetvdb.com/v4/series/${numericId}/episodes`, {
        headers: {
          'Authorization': `Bearer ${token}`,
          'Content-Type': 'application/json',
          'Accept': 'application/json'
        },
        params: {
          page: 0
        }
      });
      
      if (episodesResponse.data && episodesResponse.data.data) {
        // Process episodes and filter by season number
        const episodes = episodesResponse.data.data.episodes ? episodesResponse.data.data.episodes
          .filter(episode => episode.seasonNumber === seasonNumber)
          .map(episode => ({
            id: episode.id,
            name: episode.name,
            number: episode.number,
            seasonNumber: episode.seasonNumber,
            aired: episode.aired,
            overview: episode.overview,
            runtime: episode.runtime
          })) : [];
        
        return { 
          success: true, 
          data: {
            showId: showId,
            seasonNumber: seasonNumber,
            episodes: episodes
          }
        };
      }
    }
    
    throw new Error('Failed to fetch episodes from both endpoints');
  } catch (error) {
    console.error('TVDB API Error getting season episodes:', error.message);
    console.error('Error status:', error.response?.status);
    console.error('Error data:', error.response?.data);
    
    // Return a more specific error message for debugging
    return { 
      success: false, 
      error: 'Failed to fetch season episodes from TVDB API: ' + error.message,
      debug: {
        showId: showId,
        seasonNumber: seasonNumber,
        status: error.response?.status,
        data: error.response?.data
      }
    };
  }
});

// Test function to verify API connectivity
ipcMain.handle('test-tvdb-api', async () => {
  try {
    // Test actual API connectivity
    const axios = require('axios');
    const apiKey = process.env.TVDB_API_KEY || process.env.API_KEY;
    
    if (!apiKey) {
      return { 
        success: false, 
        error: 'TVDB_API_KEY not found in environment variables' 
      };
    }
    
    // Test login endpoint
    const loginResponse = await axios.post('https://api4.thetvdb.com/v4/login', {
      apikey: apiKey
    }, {
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json'
      }
    });
    
    if (loginResponse.data && loginResponse.data.data && loginResponse.data.data.token) {
      return { 
        success: true, 
        message: 'TVDB API test successful - Token obtained',
        timestamp: new Date().toISOString()
      };
    } else {
      return { 
        success: false, 
        error: 'TVDB API test failed - No token received' 
      };
    }
  } catch (error) {
    return { 
      success: false, 
      error: 'TVDB API test failed: ' + error.message 
    };
  }
});

// IPC handler for moving file to extras folder
ipcMain.handle('move-to-extras', async (event, filePath) => {
  try {
    const fs = require('fs');
    const path = require('path');
    
    // Check if file exists
    if (!fs.existsSync(filePath)) {
      return { success: false, error: 'File does not exist' };
    }
    
    // Get the directory of the file
    const fileDir = path.dirname(filePath);
    const extrasDir = path.join(fileDir, 'extras');
    
    // Create extras directory if it doesn't exist
    if (!fs.existsSync(extrasDir)) {
      fs.mkdirSync(extrasDir, { recursive: true });
    }
    
    // Get the filename
    const fileName = path.basename(filePath);
    
    // Construct the destination path
    const destPath = path.join(extrasDir, fileName);
    
    // Move the file
    fs.renameSync(filePath, destPath);
    
    return { 
      success: true, 
      message: 'File moved to extras folder successfully',
      sourcePath: filePath,
      destinationPath: destPath
    };
  } catch (error) {
    console.error('Error moving file to extras:', error);
    return { success: false, error: error.message };
  }
});

// IPC handler for opening file in default player
// FIXED: Use execFile instead of exec to prevent command injection
ipcMain.handle('open-file-in-player', async (event, filePath) => {
  try {
    const { execFile } = require('child_process');
    
    // Open file in default player based on OS using execFile (safe against injection)
    let command, args;
    if (process.platform === 'darwin') {
      // macOS
      command = 'open';
      args = [filePath];
    } else if (process.platform === 'win32') {
      // Windows
      command = 'cmd.exe';
      args = ['/c', 'start', '""', filePath];
    } else {
      // Linux
      command = 'xdg-open';
      args = [filePath];
    }
    
    execFile(command, args, (error, stdout, stderr) => {
      if (error) {
        console.error('Error opening file:', error);
      } else {
        console.log('File opened successfully:', filePath);
      }
    });
    
    return { success: true, message: 'File opened in default player' };
  } catch (error) {
    console.error('Error opening file in player:', error);
    return { success: false, error: error.message };
  }
});

// IPC handler for validating folder path (renderer can't access fs directly)
ipcMain.handle('validate-folder', async (event, folderPath) => {
  try {
    const stats = fs.statSync(folderPath);
    return { success: true, exists: true, isDirectory: stats.isDirectory() };
  } catch (error) {
    return { success: false, exists: false, isDirectory: false, error: error.message };
  }
});

// IPC handler for getting file stats (renderer can't access fs directly)
ipcMain.handle('get-file-stats', async (event, filePath) => {
  try {
    const stats = fs.statSync(filePath);
    return {
      success: true,
      size: stats.size,
      mtime: stats.mtime,
      isFile: stats.isFile(),
      isDirectory: stats.isDirectory()
    };
  } catch (error) {
    return { success: false, error: error.message };
  }
});

// IPC handler for logging audit events
ipcMain.handle('log-audit-event', async (event, { directoryPath, action, details }) => {
  try {
    writeAuditLog(directoryPath, action, details);
    return { success: true, message: 'Audit event logged successfully' };
  } catch (error) {
    console.error('Error logging audit event:', error);
    return { success: false, error: error.message };
  }
});

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
app.whenReady().then(createWindow);

// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

app.on('activate', () => {
  // On OS X it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (BrowserWindow.getAllWindows().length === 0) {
    createWindow();
  }
});