import requests
import yaml
import os
from utils.logger_config import logger

CONFIG_FILE = 'door_config.yaml'

def load_config():
    """加载门禁配置"""
    if not os.path.exists(CONFIG_FILE):
        logger.error(f"配置文件 {CONFIG_FILE} 不存在")
        return None
    
    try:
        with open(CONFIG_FILE, 'r', encoding='utf-8') as f:
            config = yaml.safe_load(f)
            return config.get('door')
    except Exception as e:
        logger.error(f"读取配置文件失败: {e}")
        return None

def set_emergency_control(control_way, password=None):
    """
    设置紧急开关门方式
    :param control_way: 0:在线, 1:常开, 2:常闭
    :param password: 密码，如果未提供则从配置读取
    :return: (success, message)
    """
    config = load_config()
    if not config:
        return False, "无法加载配置"

    ip = config.get('ip')
    port = config.get('port', 14460)
    stored_password = config.get('password')
    
    # 优先使用传入的密码，否则使用配置文件的密码
    # 如果两者都为 None，则默认为空字符串
    final_password = password if password is not None else (stored_password if stored_password is not None else "")
    
    if not ip:
        return False, "配置中缺少IP地址"
    
    # 允许空密码，不再检查 if not final_password

    url = f"http://{ip}:{port}/setEmergencyControl"
    
    params = {
        "pass": final_password,
        "controlWay": control_way
    }
    
    try:
        # 根据用户提供的示例，请求体为 JSON 格式
        response = requests.post(url, json=params, timeout=5)
        
        if response.status_code == 200:
            try:
                resp_data = response.json()
                logger.info(f"门禁控制请求成功: {control_way}, 响应: {resp_data}")
                
                if resp_data.get('result') is True:
                     return True, "设置成功"
                else:
                     error_msg = resp_data.get('message', '未知错误')
                     return False, f"设置失败: {error_msg}"
            except Exception as e:
                logger.error(f"解析响应JSON失败: {e}, 原始内容: {response.text}")
                return False, f"响应格式错误: {response.text}"

        else:
            logger.error(f"门禁控制请求失败: {response.status_code}, {response.text}")
            return False, f"请求失败, 状态码: {response.status_code}"
            
    except Exception as e:
        logger.error(f"门禁控制异常: {e}")
        return False, f"请求异常: {str(e)}"

def open_door_control(door_id, password=None):
    """
    远程开门控制
    :param door_id: 门编号
    :param password: 密码，如果未提供则从配置读取
    :return: (success, message)
    """
    config = load_config()
    if not config:
        return False, "无法加载配置"

    ip = config.get('ip')
    port = config.get('port', 14460)
    stored_password = config.get('password')
    
    # 优先使用传入的密码，否则使用配置文件的密码
    # 如果两者都为 None，则默认为空字符串
    final_password = password if password is not None else (stored_password if stored_password is not None else "")
    
    if not ip:
        return False, "配置中缺少IP地址"
    
    # 允许空密码，不再检查 if not final_password

    url = f"http://{ip}:{port}/openDoorControl"
    
    params = {
        "pass": final_password,
        "doorId": door_id
    }
    
    try:
        # 请求体为 JSON 格式
        response = requests.post(url, json=params, timeout=5)
        
        if response.status_code == 200:
            try:
                resp_data = response.json()
                logger.info(f"远程开门请求成功: {door_id}, 响应: {resp_data}")
                
                if resp_data.get('result') is True:
                     return True, "远程开门成功"
                else:
                     error_msg = resp_data.get('message', '未知错误')
                     return False, f"远程开门失败: {error_msg}"
            except Exception as e:
                logger.error(f"解析响应JSON失败: {e}, 原始内容: {response.text}")
                return False, f"响应格式错误: {response.text}"

        else:
            logger.error(f"远程开门请求失败: {response.status_code}, {response.text}")
            return False, f"请求失败, 状态码: {response.status_code}"
            
    except Exception as e:
        logger.error(f"远程开门异常: {e}")
        return False, f"请求异常: {str(e)}"