const express = require('express');
const WebhookService = require('../webhook/webhookService');
const logger = require('../logger');

const router = express.Router();

// Webhook 路由
router.post('/webhook', (req, res) => {
    const eventData = req.body;
    const eventType = eventData.event;

    logger.info(`收到 Webhook 事件: ${eventType}`);
    logger.debug('事件数据:', JSON.stringify(eventData, null, 2));

    // 根据事件类型处理不同的事件
    switch (eventType) {
        case 'client.connected':
        case 'client.disconnected':
            logger.info(`处理设备${eventType}事件`);
            WebhookService.handleDeviceEvent(eventData);
            break;

        case 'switch_status_update':
            logger.info(`处理开关状态更新: 设备=${eventData.clientid}`);
            WebhookService.handleSwitchEvent(eventData);
            break;

        case 'client.check_authn_complete':
            logger.info(`处理认证检查完成事件: 客户端=${eventData.clientid}`);
            logger.debug('认证结果:', eventData.result);
            break;

        case 'session.subscribed':
            logger.info(`处理会话订阅事件: 客户端=${eventData.clientid}, 主题=${eventData.topic}`);
            break;

        case 'message.delivered':
            logger.info(`处理消息投递事件: 客户端=${eventData.clientid}, 主题=${eventData.topic}`);
            WebhookService.handleMessageDeliveredEvent(eventData);
            break;

        case 'message.publish':
            logger.info(`处理消息发布事件: 主题=${eventData.topic}`);
            // 处理不同类型的消息主题
            if (eventData.topic.includes('/temperature')) {
                logger.info('处理温度数据事件');
                WebhookService.handleTemperatureEvent(eventData);
            }
            // 如果主题以 device/ 开头并以 /relay/state 结尾，处理继电器状态事件
            else if (eventData.topic.startsWith('device/') && eventData.topic.endsWith('/relay/state')) {
                logger.info('处理继电器状态事件');
                WebhookService.handleRelayStateEvent(eventData);
            }
            // 如果主题包含 GPIO，处理 GPIO 状态事件
            else if (eventData.topic.startsWith('device/') && eventData.topic.includes('/gpio')) {
                logger.info('处理GPIO状态事件');
                WebhookService.handleGpioStateEvent(eventData);
            } else {
                logger.warn(`未处理的消息主题: ${eventData.topic}`);
            }
            break;

        case 'client.check_authz_complete':
            logger.info(`处理授权检查完成事件: 客户端=${eventData.clientid}`);
            WebhookService.handleAuthzCheckEvent(eventData);
            break;

        case 'client.connack':
            logger.info(`处理连接确认事件: 客户端=${eventData.clientid}`);
            logger.debug('连接详情:', {
                clean_start: eventData.clean_start,
                keepalive: eventData.keepalive,
                proto_ver: eventData.proto_ver
            });
            break;

        case 'message.dropped':
            logger.warn('消息丢弃事件:', {
                client_id: eventData.clientid || eventData.client_id || 'unknown',
                topic: eventData.topic,
                payload: eventData.payload,
                reason: eventData.reason,
                timestamp: WebhookService.convertToBeijingTime(eventData.timestamp)
            });
            break;

        default:
            logger.warn(`未处理的事件类型: ${eventType}`);
    }

    // 返回成功响应
    logger.debug('Webhook 处理完成');
    res.status(200).json({ status: 'success' });
});

module.exports = router;