'use strict';

const _ = require('lodash');
const EventEmitter = require('events').EventEmitter;
const inherits = require('util').inherits;
const request = require('co-request');
const defer = require('co-defer')
const socketio = require('socket.io-client');
const debug = require('debug')('instant:client');
const https = require('https');
const logger = require('winston')

https.globalAgent.options.rejectUnauthorized = false;

module.exports = JdClient;

function JdClient(username, password) {
    EventEmitter.call(this);
    let self = this;
    // Save configuration and stuff.

    (async () => {
        self.username = null;
        self.name = null;
        self.balance = null;

        self.csrf = null;
        self.inits = null;
        self.uid = null;
        self.invested = null;
        self.balance = null;
        self.max_profit = null;
        self.cookie = null;
        self.version = '0.1.5'
        self.url = 'https://just-dice.com'
        self.last_idle_time;
        self.pong_count = 0;

        self.credentials = {
            hash: '',
            username: username,
            password: password,
            code: ''
        }

        try {
            self.cookie = await login(self.credentials, self.url)
        }
        catch (e) {
            logger.error("jd login error", e)
            throw new Error('error connecting to just-dice')
        }

        logger.info('JD - Received cookie: ' + self.cookie);
        logger.info('JD - Setting up connection to %s', self.url);

        self.socket = socketio(self.url, {
            multiplex: false,
            agent: https.globalAgent,
            extraHeaders: {
                origin: self.url,
                cookie: self.cookie
            }
        });

        self.socket.on('error', self.onError.bind(self));
        self.socket.on('login_error', self.onError.bind(self));
        self.socket.on('invest_error', self.onError.bind(self));
        self.socket.on('divest_error', self.onError.bind(self));
        self.socket.on('getver', self.onGetVer.bind(self));
        self.socket.on('tip', self.onTip.bind(self));
        self.socket.on('init', self.onInit.bind(self));
        self.socket.on('set_hash', self.onSetHash.bind(self));
        self.socket.on('balance', self.onBalance.bind(self));
        self.socket.on('pong', self.onPong.bind(self));
        self.socket.on('chat', self.onMsg.bind(self));
        self.socket.on('reload', self.connect.bind(self));
        self.socket.on('timeout', self.reconnect.bind(self));

        //socket.emit("withdraw", csrf, address.val(), amount.val(), code.val(), speech.val())
        defer.setTimeout(self.heartbeat.bind(self), 5000)

    })()
}

inherits(JdClient, EventEmitter);


JdClient.prototype.reconnect = async function() {
    this.socket.emit("reconnect", this.csrf);
}

JdClient.prototype.connect = async function() {
        this.csrf = null;
        this.inits = null;
        this.cookie = null;

        try {
            this.cookie = await login(this.credentials, this.url)
        }
        catch (e) {
            logger.error("jd heartbeat login error", e)
            throw new Error('error connecting to just-dice')
        }

        logger.info('JD - Received cookie: ' + this.cookie);
        logger.info('JD - Setting up connection to %s', this.url);

        this.socket = socketio(this.url, {
            multiplex: false,
            agent: https.globalAgent,
            extraHeaders: {
                origin: this.url,
                cookie: this.cookie
            }
        });
}


JdClient.prototype.heartbeat = async function() {
    // if idle time hasn't been updated in 5 minutes, reconnected
    if(Date.now() - this.last_idle_time > 1000 * 60 * 5 )
        await this.connect()

    defer.setTimeout(this.heartbeat.bind(this), 5000)
}

JdClient.prototype.onPong = function() {
        this.pong_count++

        if ( this.pong_count > 7 )
        {
            this.last_idle_time = new Date().getTime();
            this.pong_count = 0;
        }
};

JdClient.prototype.onBalance = function(data) {
    this.last_idle_time = new Date().getTime();
    this.balance = data;
    logger.info('JD - onBalance: ', data);
    this.emit('balance', this.balance)
};

JdClient.prototype.onGetVer = function(key) {
    this.last_idle_time = new Date().getTime();
    socket.emit('version', this.csrf, key, "jdbot:" + this.version);
    logger.info('JD - onGetVer: ', key);
};

JdClient.prototype.onSetHash = function(hash) {
    logger.info('JD - onSetHash: ', hash);
};

JdClient.prototype.onTip = function(from, name, amount, comment, ignored) {
    this.last_idle_time = new Date().getTime();
    if (amount < 2) {
        return socket.emit("chat", csrf, '/tip noconf ' + from + ' ' + Number(amount).toFixed(8) +
            ' "Please send 2 or more clam with your withdraw address in the comment, eg: /tip 18 1.0 \'1ADDRESS\'"')
    }
    logger.info('JD - onTip: ', from, name, amount, comment, ignored);
};

JdClient.prototype.onInit = function(data) {
    this.invested = data.investment;
    this.uid = data.uid;
    this.name = data.name;
    this.username = data.username;
    this.last_idle_time = new Date().getTime();

    if (!this.inits++) {
        this.csrf = data.csrf;
        this.balance = data.balance;
        this.emit('balance', this.balance)

        logger.info('JD - connected as (' + this.uid + ') <' + this.name + '>');

    } else {
        logger.info('JD - reconnected');
        this.csrf = data.csrf;
    }
};


JdClient.prototype.onError = function(err) {
    logger.info('JD - onError: ', err);
};

JdClient.prototype.onErr = function(err) {
    logger.info('JD - onErr: ', err);
};


JdClient.prototype.onDisconnect = function(data) {
    logger.info('JD - Client disconnected |', data, '|', typeof data);
    this.emit('disconnect');
};

JdClient.prototype.onMsg = function(message) {
    this.last_idle_time = new Date().getTime();
    let msg = {}
    msg.site = 'JD'

    console.log(message)
    //setup message format for Instant and determine if message if private or public to
    // determine how to respond to the user
    if (message.match(/\[ \((.*?)\) <(.*?)> → \(18\) <bottyMcBotFace> \] (.*)/)) {
        let isPrivateRegMatch = message.match(/\[ \((.*?)\) <(.*?)> → \(18\) <bottyMcBotFace> \] (.*)/)

        msg.type = 'private'
        msg.uid = Number(isPrivateRegMatch[1])
        msg.name = isPrivateRegMatch[2]
        msg.message = isPrivateRegMatch[3].trim()
    } else {
        if (!message.match(/\((.*?)\) <(.*?)> (.*)/))
            return

        let isPublicRegMatch = message.match(/\((.*?)\) <(.*?)> (.*)/)
        msg.type = 'public'
        msg.uid = Number(isPublicRegMatch[1])
        msg.name = isPublicRegMatch[2]
        msg.message = isPublicRegMatch[3].trim()
    }

    this.emit('msg', msg);
};

JdClient.prototype.say = function(msg) {
    if (msg.type === "private")
        this.sayPrivate(msg.uid, msg)
    else
        this.sayPublic(msg)
};

JdClient.prototype.sayPrivate = function(uid, msg) {
    this.socket.emit('chat', this.csrf, '/msg ' + uid + ' ' + msg.message);
};

JdClient.prototype.sayPublic = function(msg) {
    this.socket.emit("chat", this.csrf, msg.message)
};


async function login(credentials, url) {
    try {
        let jar = request.jar();

        let req = {
            url: url,
            jar: jar,
            form: {}
        }

        if (credentials.username) req.form.username = credentials.username;
        if (credentials.password) req.form.password = credentials.password;
        if (credentials.code) req.form.code = credentials.code;

        let res = await request.post(req);
        let cookie = jar.getCookieString(url);

        return cookie

    } catch (e) {
        logger.error('[JD][login]', e)
        throw new Error('error connecting to just-dice', e)
    }
}