import * as ImageManipulator from 'expo-image-manipulator';

/**
 * Optimize image for avatar upload
 * - Resize to max 400x400
 * - Compress to JPEG with 80% quality
 * - Returns optimized URI
 */
export async function optimizeAvatarImage(uri: string): Promise<string> {
  try {
    const result = await ImageManipulator.manipulateAsync(
      uri,
      [
        { resize: { width: 400, height: 400 } },
      ],
      {
        compress: 0.8,
        format: ImageManipulator.SaveFormat.JPEG,
      }
    );

    console.log('[ImageUtils] Optimized avatar:', {
      original: uri.substring(0, 50),
      optimized: result.uri.substring(0, 50),
      width: result.width,
      height: result.height,
    });

    return result.uri;
  } catch (error) {
    console.error('[ImageUtils] Failed to optimize image:', error);
    // Return original if optimization fails
    return uri;
  }
}

/**
 * Optimize image for general upload with custom size
 */
export async function optimizeImage(
  uri: string,
  maxSize: number = 800,
  quality: number = 0.8
): Promise<string> {
  try {
    const result = await ImageManipulator.manipulateAsync(
      uri,
      [
        { resize: { width: maxSize, height: maxSize } },
      ],
      {
        compress: quality,
        format: ImageManipulator.SaveFormat.JPEG,
      }
    );

    return result.uri;
  } catch (error) {
    console.error('[ImageUtils] Failed to optimize image:', error);
    return uri;
  }
}