import requests
import os

# 配置
ACCESS_TOKEN = 'your_access_token'
OUTPUT_DIR = 'facebook_photos'

# 创建输出目录
if not os.path.exists(OUTPUT_DIR):
    os.makedirs(OUTPUT_DIR)

def download_photos():
    # 获取相册列表
    albums_url = f'https://graph.facebook.com/v12.0/me/albums?access_token={ACCESS_TOKEN}'
    albums_response = requests.get(albums_url)
    albums_data = albums_response.json()
    
    for album in albums_data.get('data', []):
        album_id = album['id']
        album_name = album['name']
        
        # 获取相册中的照片
        photos_url = f'https://graph.facebook.com/v12.0/{album_id}/photos?fields=images&access_token={ACCESS_TOKEN}'
        photos_response = requests.get(photos_url)
        photos_data = photos_response.json()
        
        # 下载照片
        for i, photo in enumerate(photos_data.get('data', [])):
            # 获取最高分辨率的图片
            highest_res = max(photo['images'], key=lambda x: x['width'])
            image_url = highest_res['source']
            
            # 下载并保存
            image_data = requests.get(image_url).content
            filename = f"{OUTPUT_DIR}/{album_name}_{i}.jpg"
            with open(filename, 'wb') as f:
                f.write(image_data)
            print(f"Downloaded: {filename}")

if __name__ == '__main__':
    download_photos()