'use strict';
const uniPush = uniCloud.getPushManager({
    appId: "__UNI__95F809F"
});
const db = uniCloud.database();
const pushLogCollection = db.collection('push_logs'); // 假设存在 push_logs 集合用于记录推送日志
 
// 验证设备 ID 是否有效
const isValidDeviceId = (deviceId) => {
    return typeof deviceId ==='string' && deviceId.trim()!== '';
};
 
exports.main = async (event) => {
    try {
        let obj = JSON.parse(event.body);
 
        // 检查发送者和接收者信息
        if (!obj.senderId ||!obj.receiverId) {
            const errorMsg = '缺少发送者或接收者信息';
            // 记录错误日志
            await pushLogCollection.add({
                senderId: obj.senderId,
                receiverId: obj.receiverId,
                title: obj.title,
                content: obj.content,
                status: 'failed',
                errorCode: 400,
                errorMsg: errorMsg,
                timestamp: new Date(),
                requestBody: obj
            });
            return {
                code: 400,
                msg: errorMsg
            };
        }
 
        // 如果 category 不是对象，将其移除
        if (typeof obj.category!== 'object') {
            delete obj.category;
        }
 
        // 从数据库中获取接收者的设备标识
        if (typeof obj.receiverId!== 'string' || obj.receiverId.trim() === '') {
            const errorMsg = '接收者 ID 无效';
            // 记录错误日志
            await pushLogCollection.add({
                senderId: obj.senderId,
                receiverId: obj.receiverId,
                title: obj.title,
                content: obj.content,
                status: 'failed',
                errorCode: 400,
                errorMsg: errorMsg,
                timestamp: new Date(),
                requestBody: obj
            });
            return {
                code: 400,
                msg: errorMsg
            };
        }
        const receiverDevices = await db.collection('opendb-device')
           .where({ userId: obj.receiverId })
           .get();
 
        console.log('接收者 ID:', obj.receiverId);
        console.log('查询到的设备信息原始数据:', receiverDevices.data); // 打印原始数据
 
        if (receiverDevices.data.length === 0) {
            const errorMsg = `未找到接收者（ID: ${obj.receiverId}）的设备信息`;
            // 记录错误日志
            await pushLogCollection.add({
                senderId: obj.senderId,
                receiverId: obj.receiverId,
                title: obj.title,
                content: obj.content,
                status: 'failed',
                errorCode: 404,
                errorMsg: errorMsg,
                timestamp: new Date(),
                requestBody: obj
            });
            return {
                code: 404,
                msg: errorMsg
            };
        }
        const pushClientIds = "设备id";
		// console.log(pushClientIds);
        const validDeviceIds = ["设备id"];
		validDeviceIds.push();
        const invalidDeviceIds = [];
        if (validDeviceIds.length === 0) {
            const errorMsg = `接收者（ID: ${obj.receiverId}）的所有设备 ID 均无效，无效的 ID 包括: ${invalidDeviceIds.join(', ')}`;
            // 记录错误日志
            await pushLogCollection.add({
                senderId: obj.senderId,
                receiverId: obj.receiverId,
                title: obj.title,
                content: obj.content,
                status: 'failed',
                errorCode: 400,
                errorMsg: errorMsg,
                timestamp: new Date(),
                requestBody: obj
            });
            return {
                code: 400,
                msg: errorMsg
            };
        }
        const res = await uniPush.sendMessage({
            "push_clientid": validDeviceIds,
            "title": obj.title,
            "content": obj.content,
            "payload": obj.payload,
            "force_notification": true,
            "request_id": obj.request_id,
            "options": obj.options
        });
 
        // 记录成功日志
        await pushLogCollection.add({
            senderId: obj.senderId,
            receiverId: obj.receiverId,
            title: obj.title,
            content: obj.content,
            status:'success',
            pushResult: res,
            timestamp: new Date(),
            requestBody: obj
        });
        return {
            code: 200,
            msg: '消息推送成功',
            data: res
        };
    } catch (error) {
        console.error('消息推送出错:', error);
        // 记录异常错误日志
        await pushLogCollection.add({
            senderId: event.senderId,
            receiverId: event.receiverId,
            title: event.title,
            content: event.content,
            status: 'failed',
            errorCode: 500,
            errorMsg: '消息推送失败',
            errorDetail: error.message,
            timestamp: new Date(),
            requestBody: event.body
        });
        return {
            code: 500,
            msg: '消息推送失败',
            error: error.message
        };
    }
};