var express = require('express');
var router = express.Router();
var msg_statistic = require("../models/msg_statistic");

/**
 * 群组消息统计:statistic/getgroupchatinfo.im?uid=x&gid=xx
 * 参数：
 * uid：信息所有者id
 * gid：群组id
 */
router.get('/getgroupchatinfo.im', function (req, res, next) {
    if (req.query.uid == null
        || req.query.gid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getGroupChatInfo(req.query.uid, req.query.gid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get statistic from db error'});
            return;
        }

        if (result.length == 0) {
            var data = {"uid":req.query.uid,"from_uid":"","from_gid":req.query.gid,"at_me":0,"last_content_type":1,"last_content":"","new_msg_count":0,"timestamp":0};
            res.send(data);
            return;
        }

        result[0].timestamp = Date.parse(new Date(result[0].timestamp));
        res.send(result[0]);
    });
});

/**
 * 一对一聊天消息统计:statistic/getp2pchatinfo.im?uid=x&peer_uid=xx
 * 参数：
 * uid：信息所有者id
 * peer_uid：聊天对端id
 */
router.get('/getp2pchatinfo.im', function (req, res, next) {
    if (req.query.uid == null
        || req.query.peer_uid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getP2PChatInfo(req.query.uid, req.query.peer_uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get statistic from db error'});
            return;
        }

        if (result.length == 0) {
            var data = {"uid":req.query.uid,"from_uid":req.query.peer_uid,"last_content_type":1,"last_content":"","new_msg_count":0,"timestamp":0};
            res.send(data);
            return;
        }

        result[0].timestamp = Date.parse(new Date(result[0].timestamp));
        res.send(result[0]);
    });
});

/**
 * 获取聊天列表:statistic/getchatlist.im?uid=x
 * 参数：
 * uid：信息所有者id
 */
router.get('/getchatlist.im', function (req, res, next) {
    if (req.query.uid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getChatList(req.query.uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get statistic from db error'});
            return;
        }

        if (result.length == 0) {
            var data = {"uid":req.query.uid,"from_uid":req.query.peer_uid,"last_content_type":1,"last_content":"","new_msg_count":0,"timestamp":0};
            res.send(data);
            return;
        }

        //result[0].timestamp = Date.parse(new Date(result[0].timestamp));
        for (var index = 0; index < result.length; index++) {
            result[index].timestamp = Date.parse(new Date(result[index].timestamp));
        }
        res.send(result);
    });
});

/**
 * 群组聊天消息所有未读数:statistic/getgroupunreadcount.im?uid=x
 * 参数：
 * uid：信息所有者id
 */
router.get('/getgroupunreadcount.im', function (req, res, next) {
    if (req.query.uid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getGroupChatAllUnRead(req.query.uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get statistic from db error'});
            return;
        }

        var data = {"uid":req.query.uid,"msg_type":2,"new_msg_count":0};
        if (result.length == 0) {
            res.send(data);
            return;
        }

        var count = 0;
        var index = 0;
        var length = result.length;
        for (; index < length; index++) {
            count += result[index].new_msg_count;
        }
        data.new_msg_count = count;
        res.send(data);
    });
});

/**
 * 一对一聊天消息所有未读数:statistic/getp2punreadcount.im?uid=x
 * 参数：
 * uid：信息所有者id
 */
router.get('/getp2punreadcount.im', function (req, res, next) {
    if (req.query.uid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getP2PChatAllUnRead(req.query.uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get statistic from db error'});
            return;
        }

        var data = {"uid":req.query.uid,"msg_type":1,"new_msg_count":0};
        if (result.length == 0) {
            res.send(data);
            return;
        }

        var count = 0;
        var index = 0;
        var length = result.length;
        for (; index < length; index++) {
            count += result[index].new_msg_count;
        }
        data.new_msg_count = count;
        res.send(data);
    });
});

/**
 * 所有聊天消息未读数:statistic/getallunreadmsgcount.im?uid=x
 * 参数：
 * uid：信息所有者id
 */
router.get('/getallunreadmsgcount.im', function (req, res, next) {
    if (req.query.uid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getChatAllUnRead(req.query.uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get statistic from db error'});
            return;
        }

        var data = {"uid":req.query.uid,"msg_type":0,"new_msg_count":0};
        if (result.length == 0) {
            res.send(data);
            return;
        }

        var count = 0;
        var index = 0;
        var length = result.length;
        for (; index < length; index++) {
            count += result[index].new_msg_count;
        }
        data.new_msg_count = count;
        res.send(data);
    });
});

/**
 * 获取角标数:statistic/getbadgenum.im?uid=x
 * 参数：
 * uid：用户id
 */
router.get('/getbadgenum.im', function (req, res, next) {
    if (req.query.uid == null) {
        res.send({errno: -1, errmsg: 'parameter error'});
        return;
    }

    msg_statistic.getBadgeNumber(req.query.uid, function (err, result) {
        if (err) {
            res.send({errno: 1, errmsg: 'get badge error'});
            return;
        }

        var data = {"uid":req.query.uid,"badge":result};
        res.send(data);
    });
});

module.exports = router;