"use strict";

var http = require('http');
var qs = require('querystring');
var async = require('async');

var commons = require('./include/commons');
var config = require(commons.CONFIG_FILE);

var log = require('../util/log');
var mysql_wlyy = require("../repository/mysql_wlyy");
var mysql_im = require("../repository/mysql_im");

function updateGroupChatInfo(user_id, group_id, from_uid, at_me, type, content, msg_count_plus_one, handler) {
	var uuid = user_id + '_' + group_id;
    if (msg_count_plus_one) {
        mysql_im.execQuery({
            "sql": "INSERT INTO msg_statistic (uid,uuid,from_uid,from_gid,at_me,msg_type,last_content_type,last_content,new_msg_count) VALUES (?,?,?,?,?,?,?,?,?) ON DUPLICATE KEY UPDATE from_uid=?,at_me=?,last_content_type=?,last_content=?,new_msg_count=new_msg_count+1",
            "args": [user_id, uuid, from_uid, group_id, at_me, 2, type, content, 1, from_uid, at_me, type, content],
            "handler": handler
        });
    } else {
        mysql_im.execQuery({
            "sql": "INSERT INTO msg_statistic (uid,uuid,from_uid,from_gid,at_me,msg_type,last_content_type,last_content,new_msg_count) VALUES (?,?,?,?,?,?,?,?,?) ON DUPLICATE KEY UPDATE from_uid=?,at_me=?,last_content_type=?,last_content=?",
            "args": [user_id, uuid, from_uid, group_id, at_me, 2, type, content, 0, from_uid, at_me, type, content],
            "handler": handler
        });
    }
}

function updateP2PChatInfo(user_id, peer_uid, from_uid, type, content, handler) {
    var uuid = user_id + '_' + peer_uid;
    if (user_id == from_uid) {
        // 更新自身的统计信息
        mysql_im.execQuery({
            "sql": "INSERT INTO msg_statistic (uid,uuid,from_uid,peer_uid,msg_type,last_content_type,last_content,new_msg_count) VALUES (?,?,?,?,?,?,?,?) ON DUPLICATE KEY UPDATE peer_uid=?,last_content_type=?,last_content=?",
            "args": [user_id, uuid, from_uid, peer_uid, 1, type, content, 0, peer_uid, type, content],
            "handler": handler
        });
    } else {
        // 更新对端的统计信息
        mysql_im.execQuery({
            "sql": "INSERT INTO msg_statistic (uid,uuid,from_uid,peer_uid,msg_type,last_content_type,last_content,new_msg_count) VALUES (?,?,?,?,?,?,?,?) ON DUPLICATE KEY UPDATE peer_uid=?,last_content_type=?,last_content=?,new_msg_count=new_msg_count+1",
            "args": [user_id, uuid, from_uid, peer_uid, 1, type, content, 1, peer_uid, type, content],
            "handler": handler
        });
    }
}

function clearGroupChatInfo(user_id, group_id, handler) {
	var uuid = user_id + '_' + group_id;
	mysql_im.execQuery({
		"sql": "UPDATE msg_statistic SET new_msg_count='0' WHERE uuid=?",
		"args": [uuid],
		"handler": handler
	});
}

function clearP2PChatInfo(user_id, peer_uid, handler) {
	var uuid = user_id + '_' + peer_uid;
	mysql_im.execQuery({
		"sql": "UPDATE msg_statistic SET new_msg_count='0' WHERE uuid=?",
		"args": [uuid],
		"handler": handler
	});
}

function getGroupChatInfo(user_id, group_id, handler) {
	var uuid = user_id + '_' + group_id;
	mysql_im.execQuery({
		"sql": "SELECT uid,from_uid,from_gid,at_me,last_content_type,last_content,new_msg_count,timestamp from msg_statistic WHERE uuid = ?",
		"args": [uuid],
		"handler": handler
	});
}

function getP2PChatInfo(user_id, peer_uid, handler) {
	var uuid = user_id + '_' + peer_uid;
	mysql_im.execQuery({
		"sql": "SELECT uid,from_uid,last_content_type,last_content,new_msg_count,timestamp from msg_statistic WHERE uuid = ?",
		"args": [uuid],
		"handler": handler
	});
}

function getChatList(user_id, handler) {
    mysql_im.execQuery({
        "sql": "SELECT uid,from_uid,from_gid,peer_uid,at_me,msg_type,last_content_type,last_content,new_msg_count,timestamp from msg_statistic WHERE uid = ?",
        "args": [user_id],
        "handler": handler
    });
}

function getGroupChatAllUnRead(user_id, handler) {
	mysql_im.execQuery({
		"sql": "SELECT new_msg_count from msg_statistic WHERE uid=? AND msg_type=2 AND new_msg_count>0",
		"args": [user_id],
		"handler": handler
	});
}

function getP2PChatAllUnRead(user_id, handler) {
	mysql_im.execQuery({
		"sql": "SELECT new_msg_count from msg_statistic WHERE uid=? AND msg_type=1 AND new_msg_count>0",
		"args": [user_id],
		"handler": handler
	});
}

function getChatAllUnRead(user_id, handler) {
	mysql_im.execQuery({
		"sql": "SELECT new_msg_count from msg_statistic WHERE uid=? AND new_msg_count>0",
		"args": [user_id],
		"handler": handler
	});
}

function getAppMsgAmount(user_id, handler) {
    mysql_wlyy.execQuery({
        "sql": "SELECT imei,token from wlyy_token WHERE user=?",
        "args": [user_id],
        "handler": function(err, result) {
            if (err) {
                handler(null, 0);
                return;
            }
            if (result.length == 0) {
                handler(null, 0);
                return;
            }
            var options = {
                hostname: config.app_serer_cfg.hostname,
                port: config.app_serer_cfg.port,
                path: config.app_serer_cfg.path,
                method: config.app_serer_cfg.method,
                headers: {
                    'userAgent': '{"token":"'+ result[0].token +'","uid":"'+ user_id +'","imei":"'+ result[0].imei +'"}'
                }
            };

            var req = http.request(options, function (res) {
                res.setEncoding('utf8');
                res.on('data', function (chunk) {
                    console.log('BODY: ' + chunk);
                    var data = JSON.parse(chunk);
                    handler(null, data);
                });
            });

            req.on('error', function (e) {
                console.log('problem with request: ' + e.message);
                handler(e, null);
            });
            req.end();
        }
    });
}

function getBadgeNumber(user_id, handler) {
    async.parallel([
            function(callback) {
                // 此版本app界面未显示im的未读条数
                callback(null, 0);
                /*
                getChatAllUnRead(user_id, function(err, result) {
                    if (err) {
                        callback(null, 0);
                        return;
                    }

                    if (result.length == 0) {
                        callback(null, 0);
                        return;
                    }

                    var count = 0;
                    var index = 0;
                    var length = result.length;
                    for (; index < length; index++) {
                        count += result[index].new_msg_count;
                    }
                    callback(null, count);
                });
                */
            },

            function(callback) {
                getAppMsgAmount(user_id, function(err, result) {
                    if (err) {
                        callback(null, 0);
                    } else {
                        var count = 0;
                        try {
                            count += result.data.healthIndex;
                            count += result.data.sign;
                            count += result.data.consultTeam;
                            callback(null, count);
                        } catch (e) {
                            callback(null, 0);
                        }
                    }
                });
            }],

        function(err, results) {
            var badge = 0;
            for (var index = 0; index < results.length; index++) {
                badge += results[index];
            }

            handler(null, badge);
        });
}

exports.updateGroupChatInfo = updateGroupChatInfo;
exports.updateP2PChatInfo = updateP2PChatInfo;
exports.clearGroupChatInfo = clearGroupChatInfo;
exports.clearP2PChatInfo = clearP2PChatInfo;
exports.getGroupChatInfo = getGroupChatInfo;
exports.getP2PChatInfo = getP2PChatInfo;
exports.getChatList = getChatList;
exports.getGroupChatAllUnRead = getGroupChatAllUnRead;
exports.getP2PChatAllUnRead = getP2PChatAllUnRead;
exports.getChatAllUnRead = getChatAllUnRead;
exports.getAppMsgAmount = getAppMsgAmount;
exports.getBadgeNumber = getBadgeNumber;