from flask import Blueprint, request, jsonify
from db_con import con_mysql

example_info_add_bp = Blueprint('example_info_add', __name__)

"""
API接口：添加example_info数据
接口路径：POST /api/example_info/add

请求体示例：
{
  "emotion_state": "开心",
  "video_path": "/videos/test1.mp4",
  "confidence": 0.95
}

字段说明：
- emotion_state (可选)：字符串，描述emotion_state
- video_path (可选)：字符串，视频文件路径
- confidence (可选)：浮点数，confidence值(0-1)
"""

@example_info_add_bp.route('/api/example_info/add', methods=['POST'])
def add_example_info():
    try:
        data = request.get_json()

        # 验证必需字段
        if not data:
            return jsonify({
                "success": False,
                "message": "请求数据不能为空"
            }), 400

        # 获取请求数据
        emotion_state = data.get('emotion_state')
        video_path = data.get('video_path')
        confidence = data.get('confidence')

        # 构建SQL语句
        sql = """
        INSERT INTO group3_emo_info (emotion_state, video_path, confidence)
        VALUES (%s, %s, %s)
        """
        params = (emotion_state, video_path, confidence)

        # 执行SQL
        result = con_mysql(sql, params)

        if result['success']:
            return jsonify({
                "success": True,
                "message": "example_info数据添加成功",
                "data": {
                    "id": result.get('lastrowid'),
                    "emotion_state": emotion_state,
                    "video_path": video_path,
                    "confidence": confidence
                }
            }), 201
        else:
            return jsonify({
                "success": False,
                "message": "添加失败",
                "error": result.get('error', '未知错误')
            }), 500
            
    except Exception as e:
        return jsonify({
            "success": False,
            "message": "服务器内部错误",
            "error": str(e)
        }), 500