#!/usr/bin/env python3
"""
初始化测试数据脚本
创建测试用户和测试素材数据
"""

import os
import sys
import hashlib
from pathlib import Path

# 添加项目根目录到Python路径
project_root = Path(__file__).parent
sys.path.insert(0, str(project_root))

from backend.modules.database import DatabaseMigration, DatabaseOperations
from backend.utils.logger_config import setup_logger

logger = setup_logger(__name__)

def init_test_data():
    """初始化测试数据"""
    
    print("=== 初始化测试数据 ===")
    
    # 1. 初始化数据库
    print("\n1. 初始化数据库...")
    migration = DatabaseMigration()
    if migration.init_database():
        print("✓ 数据库初始化成功")
    else:
        print("✗ 数据库初始化失败")
        return False
    
    # 2. 创建数据库操作实例
    db_ops = DatabaseOperations()
    
    # 3. 创建测试用户
    print("\n2. 创建测试用户...")
    
    # 检查用户是否已存在
    existing_user = db_ops.get_user_by_username("test_user")
    if existing_user:
        print(f"✓ 测试用户已存在: {existing_user['username']} (ID: {existing_user['id']})")
        user_id = existing_user['id']
    else:
        # 创建新用户
        password_hash = hashlib.sha256("test123".encode()).hexdigest()
        user = db_ops.create_user(
            username="test_user",
            password_hash=password_hash,
            is_admin=False
        )
        print(f"✓ 创建测试用户: {user['username']} (ID: {user['id']})")
        user_id = user['id']
    
    # 4. 创建测试素材目录
    print("\n3. 创建测试素材目录...")
    materials_dir = Path("backend/data/materials")
    materials_dir.mkdir(parents=True, exist_ok=True)
    print(f"✓ 素材目录已创建: {materials_dir}")
    
    # 5. 创建测试图片文件
    print("\n4. 创建测试图片文件...")
    
    # 创建测试PNG图片数据
    png_data = b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00\x00\x00\x0cIDATx\x9cc```\x00\x00\x00\x04\x00\x01\xf5\x27\xdc\xf9\x00\x00\x00\x00IEND\xaeB`\x82'
    
    # 创建测试素材文件
    test_files = [
        ("test_face_1.png", "face", "测试人脸图片1"),
        ("test_face_2.png", "face", "测试人脸图片2"),
        ("test_cloth_1.png", "cloth", "测试服装图片1"),
        ("test_cloth_2.png", "cloth", "测试服装图片2"),
    ]
    
    created_materials = []
    
    for filename, image_type, description in test_files:
        file_path = materials_dir / filename
        
        # 创建文件
        with open(file_path, "wb") as f:
            f.write(png_data)
        
        # 创建数据库记录
        image_record = db_ops.create_image_record(
            user_id=user_id,
            image_type=image_type,
            original_filename=filename,
            stored_path=str(file_path),
            file_size=len(png_data),
            image_hash=None
        )
        
        if image_record:
            created_materials.append({
                "id": image_record['id'],
                "filename": filename,
                "type": image_type,
                "description": description
            })
            print(f"✓ 创建素材: {filename} (ID: {image_record['id']})")
        else:
            print(f"✗ 创建素材失败: {filename}")
    
    # 6. 验证数据
    print("\n5. 验证测试数据...")
    
    # 检查用户素材
    user_images = db_ops.get_user_images(user_id)
    print(f"✓ 用户素材总数: {user_images['total']}")
    
    # 检查人脸素材
    face_images = db_ops.get_user_images(user_id, image_type="face")
    print(f"✓ 人脸素材数量: {face_images['total']}")
    
    # 检查服装素材
    cloth_images = db_ops.get_user_images(user_id, image_type="cloth")
    print(f"✓ 服装素材数量: {cloth_images['total']}")
    
    # 7. 输出测试信息
    print("\n=== 测试信息 ===")
    print(f"测试用户ID: {user_id}")
    print(f"测试用户名: test_user")
    print(f"测试密码: test123")
    print(f"素材目录: {materials_dir}")
    print(f"创建素材数量: {len(created_materials)}")
    
    print("\n=== 素材列表 ===")
    for material in created_materials:
        print(f"- {material['filename']} ({material['type']}): {material['description']}")
    
    print("\n=== API测试URL ===")
    print(f"获取素材列表: GET http://localhost:8000/api/v1/users/{user_id}/materials")
    print(f"获取人脸素材: GET http://localhost:8000/api/v1/users/{user_id}/materials?material_type=face")
    print(f"获取服装素材: GET http://localhost:8000/api/v1/users/{user_id}/materials?material_type=cloth")
    
    print("\n✓ 测试数据初始化完成！")
    return True

if __name__ == "__main__":
    try:
        init_test_data()
    except Exception as e:
        print(f"✗ 初始化失败: {e}")
        import traceback
        traceback.print_exc()