TwitchBot/lib/currency.js

/**
 * api:
 *      Currency(irc object, database object, [required options])
 *
 * example:
 *      var Currency = require('./lib/plugins/currency.js')(irc, db, {
 *          currency    : 'currency name',
 *          subscribers : 'google doc spreadsheet until it's available from twitch api'
 *      });
 *
 * commands:
 *      !<currency>
 *          reply with currency amount
 *
 *      !<currency> on/[off repeat on/off]
 *          toggle currency request status,
 *          repeat status only available when
 *          turning off requests
 *
 *      !<currency> auction open
 *          open a new auction
 *
 *      !<currency> auction close
 *          close current auction
 *
 *      !<currency> auction cancel
 *          cancel current auction
 *
 *      !<currency> auction draw
 *          draw the next highest bidder
 *
 *      !bid <amount>
 *          place a bid on an open auction,
 *          only valid amounts will be accepted
 *
 *      !<currency> raffle open <price> <max>
 *          open a new raffle
 *          price and max is optional
 *          default price: 10
 *          default max: 10
 *
 *      !<currency> raffle close
 *          draw the another ticket from raffle
 *
 *      !<currency> raffle cancel
 *          cancel the open raffle
 *
 *      !<currency> raffle draw
 *          open a new auction
 *
 *      !<currency> raffle restore
 *          restores a previous raffle if a new
 *          one is accidentally opened
 *
 *      !ticket <amount>
 *          place a bid on an open auction,
 *          only valid amounts will be accepted
 */

var https = require('https'),
    http = require('http'),
    utils = require('./utils.js');

//-------- Construct ---------
function Currency(irc, db, options) {
    var __self = this;

    __self.irc = irc;
    __self.db = db;

    // config
    __self.config = options || {};
    __self.config.currency = options.currency || 'coins';
    __self.config.subscribers_json = options.subscribers || '';
    __self.config.website = options.website || '';

    // general settings
    __self.pre_text = '> ' + __self.config.currency + ': ';
    __self.max_requests = 10;//response after 10 request
    __self.temp = {};

    // currency request settings
    __self.coin_flood = [];
    __self.coin_response = null;
    __self.coin_response_timer = 3000;
    __self.coin_response_reset = true;
    __self.coin_toggle = false;
    __self.coin_toggle_msg = null;
    __self.coin_toggle_timer = 180000;//milliseconds

    // auction settings
    __self.auction_status = false;
    __self.auction_bids = [];
    __self.auction_previous_bid = {};
    __self.auction_bid_response = null;
    __self.auction_bid_response_long = null;

    // handout coins settings
    __self.viewer_list = [];
    __self.streaming = false;
    __self.streaming_check = 4;//minutes
    __self.give_coins = false;
    __self.give_coins_timer = options.payrate || 30;//minutes
    __self.subscriber_check = 4;//minutes
    __self.subscribers = [];

    // raffle settings
    __self.raffle_status = false;
    __self.raffle_ticket_requests = [];
    __self.raffle_tickets = [];
    __self.raffle_ticket_cost = 10;//currency cost per ticket
    __self.raffle_max_tickets = 10;

    // raffle restoration
    __self.raffle_restore_ticket_requests = [];
    __self.raffle_restore_tickets = [];

    // gambling settings
    __self.bets_status = false;
    __self.bets_board = [];
    __self.bets_viewers = [];
    __self.bets_payout = false;
}

//-------- Methods ---------
Currency.prototype.start = function () {
    var __self = this;
    __self.handout_coins();
};

Currency.prototype.commands = function (data) {
    var __self = this,
        broadcaster_bot_initiated = __self.irc.caller(data[0]).toLowerCase() === __self.irc.config.broadcaster.toLowerCase() || __self.irc.caller(data[0]).toLowerCase() === __self.irc.config.name.toLowerCase(),
        moderator_initiated = __self.irc.mods.indexOf(__self.irc.caller(data[0])) > 0;

    // handle !<currency> commands
    if (data[3].slice(1) === '!' + __self.config.currency.toLowerCase()) {
        // public commands
        if (!__self.coin_toggle && data[4] === undefined) {
            __self.get_coins(__self.irc.caller(data[0]));
        }

        // broadcaster only commands
        if (broadcaster_bot_initiated) {
            //open / close auction system
            if (data[4] === 'auction') {
                switch (data[5]) {
                case 'open':
                    __self.auction(true);
                    break;
                case 'close':
                    __self.auction(false);
                    break;
                case 'draw':
                    __self.next_auction_winner();
                    break;
                case 'cancel':
                    __self.auction('cancel');
                    break;
                }
            }

            // open / close raffle system
            if (data[4] === 'raffle') {
                switch (data[5]) {
                case 'open':
                    if (data[6] && data[7] && !__self.raffle_status) {
                        if(parseInt(data[6], 10) > 0 && parseInt(data[7], 10) > 0) {
                            // save default values
                            __self.temp.raffle_ticket_cost = __self.raffle_ticket_cost;
                            __self.temp.raffle_max_tickets = __self.raffle_max_tickets;

                            // set new raffle cost / amount
                            __self.raffle_ticket_cost = data[6];
                            __self.raffle_max_tickets = data[7];
                        }
                    } else if (__self.temp.raffle_ticket_cost && __self.temp.raffle_max_tickets && !__self.raffle_status){
                        __self.raffle_ticket_cost = __self.temp.raffle_ticket_cost;
                        __self.raffle_max_tickets = __self.temp.raffle_max_tickets;
                        delete __self.temp.raffle_ticket_cost;
                        delete __self.temp.raffle_max_tickets;
                    }

                    __self.raffle(true);
                    break;
                case 'close':
                    __self.raffle(false);
                    break;
                case 'draw':
                    __self.next_raffle_winner();
                    break;
                case 'cancel':
                    __self.raffle('cancel');
                    break;
                case 'restore':
                    __self.raffle('restore');
                    break;
                }
            }

            // open / close betting system
            if (data[4] === 'bet') {
                switch (data[5]) {
                    case 'open':
                        if (data[5] && data[6]) {
                            __self.bets(true, data);
                        } else {
                            __self.irc.emit('message', {message:__self.pre_text + 'Unable to open betting, need at least two items to bet against'});
                        }
                        break;
                    case 'close':
                        __self.bets(false, null);
                        break;
                    case 'winner':
                        //__self.bets('winner');
                        break;
                }
            }

            // add currency
            if (data[4] === 'add') {
                if(parseInt(data[5], 10) > 0 && data[6]) {
                    __self.adjust_currency('add', data[5], data[6]);
                }
            }

            // remove currency
            if (data[4] === 'remove') {
                if(parseInt(data[5], 10) > 0 && data[6]) {
                    __self.adjust_currency('remove', data[5], data[6]);
                }
            }

            // push currency to new viewer
            if (data[4] === 'push') {
                if(parseInt(data[5], 10) > 0 && data[6]) {
                    __self.adjust_currency('push', data[5], data[6]);
                }
            }
        }

        // moderator commands
        if (broadcaster_bot_initiated || moderator_initiated) {
            // enable/disable currency requests
            switch (data[4]) {
                case 'on':
                    if (!__self.auction_status && !__self.raffle_status) {
                        __self.coin_toggle = false;

                        // output currency request status
                        __self.irc.emit('message', {message:__self.pre_text + 'Currency requests are now enabled. Type !' + __self.config.currency.toLowerCase() + ' to view your total'});

                        // stop periodic message
                        clearInterval(__self.coin_toggle_msg);
                    }
                    break;
                case 'off':
                    if (!__self.auction_status && !__self.raffle_status) {
                        var msg;

                        if (!__self.coin_toggle) {
                            // output message depending on if an offsite is provided
                            if (__self.config.website !== '') {
                                msg = __self.pre_text + 'Currency requests have been disabled. To view your ' + __self.config.currency + ' please visit ' + __self.config.website;
                                __self.irc.emit('message', {message:msg});
                            } else {
                                msg = __self.pre_text + 'Currency requests have been disabled';
                                __self.irc.emit('message', {message:msg});
                            }
                        }

                        // start the periodic message
                        if (data[5] !== undefined && data[6] !== undefined) {
                            // manually enable / disable repeat
                            if (data[5] === 'repeat') {
                                switch (data[6]) {
                                case 'on':
                                    __self.irc.emit('message', {message:'+ Periodic notification enabled'});
                                    __self.coin_toggle_msg = setInterval(function () {
                                        if (__self.coin_toggle) {
                                            msg = __self.pre_text + 'To view your ' + __self.config.currency + ' please visit ' + __self.config.website;
                                            __self.irc.emit('message', {message:msg});
                                        }
                                    }, __self.coin_toggle_timer);
                                    break;
                                case 'off':
                                    __self.irc.emit('message', {message:'+ Periodic notification disabled'});
                                    clearInterval(__self.coin_toggle_msg);
                                }
                            }
                        }

                        __self.coin_toggle = true;
                    }
                    break;
            }

            // adjust currency response rate
            if (data[4] === 'timer') {
                if (isNaN(parseInt(data[5], 10)) === false) {
                    if (data[5] >= 3 && data[5] % 1 === 0) {
                        __self.coin_response_timer = data[5] * 1000;
                        __self.irc.emit('message', {message:__self.pre_text + 'Currency totals will now show ' + data[5] + ' seconds after request'});
                        if (data[6] && data[7]) {
                            if (data[6] === 'reset') {
                                switch(data[7]) {
                                case 'on':
                                    __self.irc.emit('message', {message:'+ Timer will now reset after each new request'});
                                    __self.coin_response_reset = true;
                                    break;
                                case 'off':
                                    __self.irc.emit('message', {message:'+ Timer will not reset after each new request'});
                                    __self.coin_response_reset = false;
                                    break;
                                }
                            }
                        }
                    } else if (data[5] < 3) {
                        __self.irc.emit('message', {message:__self.pre_text + 'Timer cannot be less than 2 seconds'});
                    }
                }
            }
        }
    }

    // public commands related to !<currency>
    switch (data[3].slice(1)) {
    // submit bid for the auction
    case '!bid':
        if (isNaN(parseInt(data[4], 10)) === false) {
            if (data[4] > 0 && data[4] % 1 === 0) {
                __self.bid(__self.irc.caller(data[0]), parseInt(data[4], 10));
            }
        }
        break;
    // purchase a ticket for raffle
    case '!ticket':
        if (isNaN(parseInt(data[4], 10)) === false) {
            if (data[4] >= 0 && data[4] % 1 === 0) {
                __self.collect_tickets(__self.irc.caller(data[0]), parseInt(data[4], 10));
            }
        }
        break;
    }

    // place a bet
    if (__self.bets_status === true) {
        for (var i = 0; i < __self.bets_board.length; i++) {
            if (data[3].slice(1) === '!' + __self.bets_board[i]) {
                if (isNaN(parseInt(data[4], 10)) === false) {
                    if (data[4] >= 0 && data[4] % 1 === 0) {
                        __self.collect_bets(__self.irc.caller(data[0]), __self.bets_board[i], parseInt(data[4], 10));
                        break;
                    }
                }
            }
        }
    }
};

/**
 * ============================================
 * CURRENCY REQUESTS
 * --------------------------------------------
 */
Currency.prototype.get_coins = function (caller) {
    var __self = this;

    function fill_request(viewer, points) {
        var request = '(' + points + ')';

        if (__self.raffle_status) {
            for (var i = 0; i < __self.raffle_ticket_requests.length; i++){
                if (__self.raffle_ticket_requests[i].viewer.toLowerCase() === viewer.toLowerCase() && (__self.raffle_ticket_requests[i].tickets * __self.raffle_ticket_cost) <= points) {
                    request = '(' + (points - (__self.raffle_ticket_requests[i].tickets * __self.raffle_ticket_cost)) + ') [' + __self.raffle_ticket_requests[i].tickets + ']';
                    break;
                }
            }
            return request;
        } else {
            return request;
        }
    }

    function do_work() {
        var multi_response = '';

        if (__self.coin_flood.length > 1) {// send flood requests
            __self.query_coins(__self.coin_flood, function (rows) {
                for (var i = 0; i < rows.length; i++) {
                    var currency_request = fill_request(rows[i].user, rows[i].points);
                    // setup currency response
                    if (i !== rows.length - 1) {
                        multi_response += rows[i].user + ' ' + currency_request + ', ';
                    } else {
                        multi_response += rows[i].user + ' ' + currency_request;
                    }
                }
                __self.irc.emit('message', {message:__self.pre_text + multi_response, timer: 1});
            });
        } else if (__self.coin_flood.length === 1) {// send single request
            __self.query_coins(caller, function (rows) {
                var currency_request = fill_request(rows[0].user, rows[0].points);
                __self.irc.emit('message', {message:__self.pre_text + caller + ' ' + currency_request, timer: 1});
            });
        }

        // clear flood requests
        __self.coin_flood = [];
    }

    // add flood users to array
    if (__self.coin_flood.indexOf(caller) < 0) {
        __self.coin_flood.push(caller);
    }

    // clear timer on flood
    if (__self.coin_response_reset) {
        clearTimeout(__self.coin_response);
    }

    // check if flood has a set amount of requests and output
    // if not, set the output timer
    if (__self.coin_flood.length === __self.max_requests) {
        do_work();
    } else {
        if (__self.coin_response_reset) {
            __self.coin_response = setTimeout(function () {do_work();}, __self.coin_response_timer);
        } else {
            setTimeout(function () {do_work();}, __self.coin_response_timer);
        }
    }
};

Currency.prototype.query_coins = function (data, callback) {
    var __self = this, sql = '';

    // build sql conditions
    if (typeof data === 'string') {
        sql = 'SELECT * FROM viewers WHERE ' + 'user = \'' + data.toLowerCase() + '\'';
    } else {
        for (var i = 0; i < data.length; i++) {
            if (i !== data.length - 1) {
                sql += 'SELECT * FROM viewers WHERE ' + 'user = \'' + data[i].toLowerCase() + '\'' + ';';
            } else {
                sql += 'SELECT * FROM viewers WHERE ' + 'user = \'' + data[i].toLowerCase() + '\'';
            }
        }
    }

    // execute query
    __self.db.execute(sql, function (rows) {
        var temp = [], newrows = [];
        if (typeof data !== 'string') {
            // get rid of the nested arrays
            for (var i = 0; i < rows.length; i++) {
                if (rows[i].length > 0) {
                    newrows.push(rows[i][0]);
                }
            }

            // separate users into their own array
            for (var i = 0; i < newrows.length; i++) {
                temp.push(newrows[i].user.charAt(0).toUpperCase() + newrows[i].user.slice(1));
            }

            // compare the users in the data array against the temp array
            // if not found, push them to rows with 0 points
            for (var i = 0; i < data.length; i++) {
                if (temp.indexOf(data[i]) < 0) {
                    newrows.push({'user' : data[i], 'points' : 0});
                }
            }

            // capitalize usernames on rows
            for (var key in newrows) {
                if (newrows.hasOwnProperty(key)) {
                    newrows[key].user = newrows[key].user.charAt(0).toUpperCase() + newrows[key].user.slice(1);
                }
            }
            rows = newrows;
        } else {
            if (rows.length === 0) {
                rows = [{'user' : data, 'points' : 0}];
            } else {
                rows[0].user = rows[0].user.charAt(0).toUpperCase() + rows[0].user.slice(1);
            }
        }
        callback(rows);
    });
};

/**
 * ============================================
 * HANDOUT CURRENCY
 * --------------------------------------------
 */
Currency.prototype.handout_coins = function () {
    var __self = this;

    // check stream status
    function stream_status() {
        var time = utils.make_interval(__self.streaming_check);
        if (time === 0) {
            // get stream status
            https.get('https://api.twitch.tv/kraken/streams/' + __self.irc.config.channel.slice(1), function (response) {
                var body = '';

                // put together response
                response.on('data', function (chunk) {
                    body += chunk;
                });

                // start / stop handing out coins based on stream status
                response.on('end', function () {
                    var json = JSON.parse(body);
                    __self.streaming = json.stream !== null;
                    if (__self.streaming && __self.give_coins === false) {
                        insert_coins();
                    }
                    __self.irc.emit('data', 'DATA - Online Status Check - Returned: ' + __self.streaming);
                    setTimeout(stream_status, 1000);
                });
            });
        } else {
            setTimeout(stream_status, time);
        }
    }

    // get subscribers
    function subscribers() {
        var time = utils.make_interval(__self.subscriber_check);
        if (time === 0) {
            // get stream status
            http.get(__self.config.subscribers_json, function (response) {
                var body = '';
                // put together response
                response.on('data', function (chunk) {
                    body += chunk;
                });

                // start / stop handing out coins based on stream status
                response.on('end', function () {
                    var json = JSON.parse(body);
                    var entries = json.feed.entry, subs = '';
                    __self.subscribers = [];
                    for (var i = 0; i < entries.length; i++) {
                        __self.subscribers.push(entries[i].title['$t']);
                        subs += entries[i].title['$t'] + ' ';
                    }
                    __self.irc.emit('data', 'DATA - Subscriber Check - Returned: ' + subs);
                    setTimeout(subscribers, 1000);
                });
            });
        } else {
            setTimeout(subscribers, time);
        }
    }

    // trigger coin handout
    function insert_coins() {
        __self.give_coins = __self.streaming;
        if (__self.give_coins) {
            var time = utils.make_interval(__self.give_coins_timer);
            if (time === 0) {
                    __self.irc.raw('WHO ' + __self.irc.config.channel);
                    setTimeout(insert_coins, 1000);
            } else {
                setTimeout(insert_coins, time);
            }
        }
    }

    // monitor viewers in irc
    __self.irc.on('data', function (data) {
        if (__self.streaming) {
            var data_split = data.split(' '), viewer = '';

            // viewers from \who
            if (data_split[3] == '352') {
                if (data_split[6] !== undefined) {
                    viewer = data_split[6].toLowerCase();
                    if (__self.viewer_list.indexOf(viewer) < 0) {
                        __self.viewer_list.push(viewer);
                    }
                }
            }

            // viewers chatting
            if (data_split[3] == 'PRIVMSG') {
                var servernick = data_split[2].toLowerCase().split('!');
                viewer = servernick[0];
                if (viewer  != __self.irc.config.name.toLowerCase()) {
                    viewer = viewer.slice(1);
                }
                if (__self.viewer_list.indexOf(viewer) < 0) {
                    __self.viewer_list.push(viewer);
                }
            }

            // give coins after \who and handout_coins is true
            if (__self.give_coins && data_split[3] == '315') {
                var clone_viewer_list = __self.viewer_list;

                // clear old list and start recording
                __self.viewer_list = [];

                // build sql from the saved viewer list
                var sql = '';
                for (var i = 0; i < clone_viewer_list.length; i++) {
                    var currency_amount = __self.subscribers.indexOf(clone_viewer_list[i]) >= 0 ? 2 : 1;
                    if (clone_viewer_list[i] !== '') {
                        if (i != clone_viewer_list.length - 1) {
                            sql += 'INSERT INTO viewers (user, points) ';
                            sql += 'VALUES (\'' + clone_viewer_list[i] + '\', ' + currency_amount + ') ';
                            sql += 'ON DUPLICATE KEY UPDATE points = points + ' + currency_amount + '; ';
                        } else {
                            sql += 'INSERT INTO viewers (user, points) ';
                            sql += 'VALUES (\'' + clone_viewer_list[i] + '\', ' + currency_amount + ') ';
                            sql += 'ON DUPLICATE KEY UPDATE points = points + ' + currency_amount;
                        }
                    }
                }

                // execute query
                __self.db.execute(sql, function () {});
            }
        } else {
            __self.viewer_list = [];
        }
    });

    stream_status();

    // only start subscribers if gdoc is available
    if (__self.config.subscribers_json !== '') {
        subscribers();
    }
};

/**
 * ============================================
 * Adjust Currency
 * --------------------------------------------
 */
Currency.prototype.adjust_currency = function (method, amount, viewer) {
    var __self = this;

    viewer = viewer.toLowerCase();

    __self.db.execute('SELECT * FROM viewers WHERE user=\'' + viewer + '\'', function(rows){
        if (rows.length > 0 || method === 'push') {
            var check = rows.length > 0 ? rows[0].user : rows.push({user: viewer});
            if (check === viewer || method === 'push') {
                var sql = '', settings = [];

                // push settings for message
                if (method === 'add' || method === 'push') {
                    settings.push('+');
                    settings.push('Added');
                    settings.push('to');
                } else if (method === 'remove') {
                    settings.push('-');
                    settings.push('Removed');
                    settings.push('from');
                }
                settings.push(rows[0].user.charAt(0).toUpperCase() + rows[0].user.slice(1));

                // create sql
                if (method === 'add' || method === 'remove') {
                    sql += 'UPDATE viewers ';
                    sql += 'SET points = points ' + settings[0] + ' ' + amount + ' ';
                    sql += 'WHERE user = \'' + rows[0].user + '\'; ';
                } else if (method === 'push') {
                    sql += 'INSERT INTO viewers (user, points) ';
                    sql += 'VALUES (\'' + viewer + '\', ' + amount + ') ';
                    sql += 'ON DUPLICATE KEY UPDATE points = points + ' + amount + '; ';
                }

                //execute adjustment
                __self.db.execute(sql, function(){
                    __self.irc.emit('message', {message:__self.pre_text + settings[1] + ' ' + amount + ' ' + __self.config.currency + ' ' + settings[2] + ' ' + settings[3]});
                });
            }
        } else {
            __self.irc.emit('message', {message:__self.pre_text + 'User was not found, use the push command to add a new user'});
        }
    });
};

/**
 * ============================================
 * AUCTION SYSTEM
 * --------------------------------------------
 */
Currency.prototype.auction = function (status) {
    var __self = this;

    switch (status) {
    case true:
        if (!__self.bets_status) {
            if (!__self.raffle_status) {
                if (!__self.auction_status) {
                    // open up the auction
                    __self.auction_status = true;

                    // request toggle
                    if (__self.temp.raffle_toggle) {
                        __self.temp.auction_toggle = __self.temp.raffle_toggle;
                    } else {
                        __self.temp.auction_toggle = __self.coin_toggle;
                    }
                    __self.coin_toggle = false;

                    // default request timer
                    if (__self.temp.raffle_timer && __self.temp.raffle_timer_reset) {
                        __self.temp.auction_timer = __self.temp.raffle_timer;
                        __self.temp.auction_timer_reset = __self.temp.raffle_timer_reset;
                    } else {
                        __self.temp.auction_timer = __self.coin_response_timer;
                        __self.temp.auction_timer_reset = __self.coin_response_reset;
                    }
                    __self.coin_response_timer = 3000;
                    __self.coin_response_reset = true;

                    // clear previous bids
                    __self.auction_bids = [];
                    __self.auction_previous_bid = {};

                    // auction open response
                    __self.irc.emit('message', {message:__self.pre_text + 'Auction opened, accepting bids'})
                } else {
                    // auction is already open response
                    __self.irc.emit('message', {message:__self.pre_text + 'Auction already in progress'});
                }
            } else {
                // raffle currently running
                __self.irc.emit('message', {message:__self.pre_text + 'You must close the raffle before you can open an auction'});
            }
        } else {
            // gambling currently running
            __self.irc.emit('message', {message:__self.pre_text + 'Betting must be closed before you can open an auction'});
        }
        break;
    case false:
        if (__self.auction_status) {
            // close the auction
            __self.auction_status = false;

            // request toggle
            __self.coin_toggle = __self.temp.auction_toggle;
            delete __self.temp.auction_toggle;

            // default request timer
            __self.coin_response_timer = __self.temp.auction_timer;
            __self.coin_response_reset = __self.temp.auction_timer_reset;
            delete __self.temp.auction_timer;
            delete __self.temp.auction_timer_reset;

            // clear response timers
            clearTimeout(__self.auction_bid_response);
            clearInterval(__self.auction_bid_response_long);

            if (__self.auction_bids.length > 0) {
                // pick a winner response
                for (var i = 0; i < __self.auction_bids.length; i++) {
                    if (__self.auction_bids[i].bid === utils.max(__self.auction_bids)) {
                        __self.irc.emit('message', {message:__self.pre_text + 'Auction closed, Winner: ' + __self.auction_bids[i].viewer + ' @ ' + __self.auction_bids[i].bid});

                        // save the winners info for draw refund
                        __self.auction_previous_bid.viewer = __self.auction_bids[i].viewer;
                        __self.auction_previous_bid.bid = __self.auction_bids[i].bid;

                        // remove winners money
                        var sql = '';
                        sql += 'UPDATE viewers ';
                        sql += 'SET points = points - ' + __self.auction_bids[i].bid + ' ';
                        sql += 'WHERE user = \'' + __self.auction_bids[i].viewer + '\'';
                        __self.db.execute(sql, function() {});

                        // remove winner from main list
                        __self.auction_bids.splice(i, 1);

                        break;
                    }
                }
            } else {
                // no bidders to pick from response
                __self.irc.emit('message', {message:__self.pre_text + 'Auction closed, no bidders to pick a winner'});
            }
        } else {
            // auction is already open response
            __self.irc.emit('message', {message:__self.pre_text + 'Auction is already closed'});
        }
        break;
    case 'cancel':
        if (__self.auction_status) {
            // close the auction
            __self.auction_status = false;

            // request toggle
            __self.coin_toggle = __self.temp.auction_toggle;
            delete __self.temp.auction_toggle;

            // default request timer
            __self.coin_response_timer = __self.temp.auction_timer;
            __self.coin_response_reset = __self.temp.auction_timer_reset;
            delete __self.temp.auction_timer;
            delete __self.temp.auction_timer_reset;

            // clear response timers
            clearTimeout(__self.auction_bid_response);
            clearInterval(__self.auction_bid_response_long);

            // clear previous bids
            __self.auction_bids = [];
            __self.auction_previous_bid = {};

            // auction cancelled notification
            __self.irc.emit('message', {message:__self.pre_text + 'Auction has been cancelled'});
        } else {
            // auction cancelled notification
            __self.irc.emit('message', {message:__self.pre_text + 'Auction is not opened'});
        }
        break;
    }
};

Currency.prototype.bid = function (caller, amount) {
    var __self = this;

    function find_duplicate(amount) {
        var duplicate = false;
        for (var i = 0; i < __self.auction_bids.length; i++) {
            if (__self.auction_bids[i].bid === amount) {
                duplicate = true;
                break;
            }
        }
        return duplicate;
    }

    if (__self.auction_status) {
        // verify that bidder has the coins for bidding
        __self.query_coins(caller, function (rows) {
            var has_tickets = false;

            // only add bid if they have the enough to pay
            if (rows[0].points >= amount) {
                if (__self.auction_bids.length > 0) {
                    // check if an existing bid exists and modify it
                    for (var i = 0; i < __self.auction_bids.length; i++) {
                        if (__self.auction_bids[i].viewer === caller) {
                            has_tickets = true;
                            // check if bid is higher then original and not a duplicate
                            if (__self.auction_bids[i].bid < amount && !find_duplicate(amount)) {
                                __self.auction_bids[i].bid = amount;
                            }
                            break;
                        }
                    }

                    // add new bids to list if they are not a duplicate
                    if (!has_tickets && !find_duplicate(amount)) {
                        __self.auction_bids.push({viewer: caller, bid: amount});
                    }
                } else {
                    // push first bid
                    __self.auction_bids.push({viewer: caller, bid: amount});
                }
            }

            // clear timers on flood
            clearTimeout(__self.auction_bid_response);
            clearInterval(__self.auction_bid_response_long);

            // reply after set amount of bids
            if ((__self.auction_bids.length % __self.max_requests) === 0) {
                // bulk flood response
                for (var i = 0; i < __self.auction_bids.length; i++) {
                    if (__self.auction_bids[i].bid === utils.max(__self.auction_bids)) {
                        __self.irc.msg(__self.pre_text + 'Highest bid, ' + __self.auction_bids[i].viewer + ' @ ' + __self.auction_bids[i].bid);
                    }
                }
            } else {
                // response after time without flood has passed
                var viewer, bid;
                for (var i = 0; i < __self.auction_bids.length; i++) {
                    if (__self.auction_bids[i].bid === utils.max(__self.auction_bids)) {
                        viewer = __self.auction_bids[i].viewer;
                        bid = __self.auction_bids[i].bid;
                    }
                }
                if (viewer !== undefined && bid !== undefined && __self.auction_status) {
                    var msg = __self.pre_text + 'Highest bid, ' + viewer + ' @ ' + bid;
                    __self.auction_bid_response = setTimeout(function () {__self.irc.emit('message', {message:msg, timer: 1});}, 5000);
                    __self.auction_bid_response_long = setInterval(function () {__self.irc.emit('message', {message:msg, timer: 1});}, 30000);
                }
            }
        });
    }
};

Currency.prototype.next_auction_winner = function () {
    var __self = this, empty_list = [];

    // custom dialog when the bidder list is empty
    empty_list.push('Hey, I just met you and this is crazy, but there\'s no more bidders, so start an new auction maybe?');
    empty_list.push('Are there more bidders? Well, to tell you the truth, in all this excitement I kind of lost track myself.');
    empty_list.push('Heyyyyyy there\'s no more bidders, Op, op, op, op, Open Auction Style.');
    empty_list.push('Da bids! Da bids! Where are all da bids, boss?');

    if (!__self.auction_status) {
        // get next highest bidder or prompt to open new auction
        if (__self.auction_bids.length > 0) {
            for (var i = 0; i < __self.auction_bids.length; i++) {
                if (__self.auction_bids[i].bid === utils.max(__self.auction_bids)) {
                    __self.irc.emit('message',{message:__self.pre_text + 'Drawing the next highest bid: ' + __self.auction_bids[i].viewer + ' @ ' + __self.auction_bids[i].bid});

                    // refund previous winner's money
                    var sql = '';
                    sql += 'UPDATE viewers ';
                    sql += 'SET points = points + ' + __self.auction_previous_bid.bid + ' ';
                    sql += 'WHERE user = \'' + __self.auction_previous_bid.viewer + '\'';
                    __self.db.execute(sql, function() {});

                    // save the new winner's info for next draw
                    __self.auction_previous_bid.viewer = __self.auction_bids[i].viewer;
                    __self.auction_previous_bid.bid = __self.auction_bids[i].bid;

                    // remove winners money
                    sql = '';
                    sql += 'UPDATE viewers ';
                    sql += 'SET points = points - ' + __self.auction_bids[i].bid + ' ';
                    sql += 'WHERE user = \'' + __self.auction_bids[i].viewer + '\'';
                    __self.db.execute(sql, function() {});

                    // remove winner from main list
                    __self.auction_bids.splice(i, 1);

                    break;
                }
            }
        } else {
            // check if a previous viewer is saved
            if (__self.auction_previous_bid.viewer !== null) {
                // refund previous winner's money
                var sql = '';
                sql += 'UPDATE viewers ';
                sql += 'SET points = points + ' + __self.auction_previous_bid.bid + ' ';
                sql += 'WHERE user = \'' + __self.auction_previous_bid.viewer + '\'';
                __self.db.execute(sql, function() {});

                // clear previous bid
                __self.auction_previous_bid = {};
            }

            // notify that there's no more bids
            __self.irc.emit('message',{message:__self.pre_text + utils.selectRandomArrayItem(empty_list)});
        }
    }
};

/**
 * ============================================
 * RAFFLE SYSTEM
 * --------------------------------------------
 */
Currency.prototype.raffle = function (status) {
    var __self = this;

    switch (status) {
    case true:
        if (!__self.bets_status) {
            if (!__self.auction_status) {
                if (!__self.raffle_status) {
                    // open up a raffle
                    __self.raffle_status = true;

                    // request toggle
                    if (__self.temp.auction_toggle) {
                        __self.temp.raffle_toggle = __self.temp.auction_toggle;
                    } else {
                        __self.temp.raffle_toggle = __self.coin_toggle;
                    }
                    __self.coin_toggle = false;

                    // default request timer
                    if (__self.temp.auction_timer && __self.temp.auction_timer_reset) {
                        __self.temp.raffle_timer = __self.temp.auction_timer;
                        __self.temp.raffle_timer_reset = __self.temp.auction_timer_reset;
                    } else {
                        __self.temp.raffle_timer = __self.coin_response_timer;
                        __self.temp.raffle_timer_reset = __self.coin_response_reset;
                    }
                    __self.coin_response_timer = 3000;
                    __self.coin_response_reset = true;

                    // save previous raffle settings in case
                    // a new one is opened on accident
                    __self.raffle_restore_ticket_requests = __self.raffle_ticket_requests;
                    __self.raffle_restore_tickets = __self.raffle_tickets;

                    // clear previous tickets
                    __self.raffle_ticket_requests = [];
                    __self.raffle_tickets = [];

                    // raffle open response
                    __self.irc.emit('message',{message:__self.pre_text + 'Raffle opened'});
                    __self.irc.emit('message',{message:'+ Tickets cost ' + __self.raffle_ticket_cost + ' ' + __self.config.currency.toLowerCase() + ' / Maximum of ' + __self.raffle_max_tickets + ' tickets per viewer'});
                } else {
                    // raffle in progress response
                    __self.irc.emit('message',{message:__self.pre_text + 'Raffle already in progress'});
                }
            } else {
                // auction in progress
                __self.irc.emit('message', {message:__self.pre_text + 'You must close the auction before you can open an a raffle'});
            }
        } else {
            // gambling currently running
            __self.irc.emit('message', {message:__self.pre_text + 'Betting must be closed before you can open a raffle'});
        }
        break;
    case false:
        if (__self.raffle_status) {
            // close the raffle
            __self.raffle_status = false;

            // request toggle
            __self.coin_toggle = __self.temp.raffle_toggle;
            delete __self.temp.raffle_toggle;

            // default request timer
            __self.coin_response_timer = __self.temp.raffle_timer;
            __self.coin_response_reset = __self.temp.raffle_timer_reset;
            delete __self.temp.raffle_timer;
            delete __self.temp.raffle_timer_reset;

            // validation / winner / deduction
            __self.raffle_winner();
        } else {
            // raffle is already open response
            __self.irc.emit('message',{message:__self.pre_text + 'Raffle is already closed'});
        }
        break;
    case 'cancel':
        if (__self.raffle_status) {
            // close the raffle
            __self.raffle_status = false;

            // request toggle
            __self.coin_toggle = __self.temp.raffle_toggle;
            delete __self.temp.raffle_toggle;

            // default request timer
            __self.coin_response_timer = __self.temp.raffle_timer;
            __self.coin_response_reset = __self.temp.raffle_timer_reset;
            delete __self.temp.raffle_timer;
            delete __self.temp.raffle_timer_reset;

            // clear previous tickets
            __self.raffle_ticket_requests = [];
            __self.raffle_tickets = [];

            // raffle cancelled notification
            __self.irc.emit('message', {message:__self.pre_text + 'Raffle has been cancelled'});
        } else {
            // raffle cancelled notification
            __self.irc.emit('message', {message:__self.pre_text + 'Raffle is not opened'});
        }
        break;
    case 'restore':
        if (__self.raffle_status) {
            // close raffle
            __self.raffle_status = false;

            // restore previous raffle tickets
            __self.raffle_ticket_requests = __self.raffle_restore_ticket_requests;
            __self.raffle_tickets = __self.raffle_restore_tickets;

            __self.irc.emit('message', {message:__self.pre_text + 'Previous raffle has been restored'});
        } else {
            // raffle restore failed notification
            __self.irc.emit('message', {message:__self.pre_text + 'Raffle is closed, unable to restore'});
        }
        break;
    }
};

Currency.prototype.collect_tickets = function (caller, amount) {
    var __self = this, has_tickets = false;

    if (__self.raffle_ticket_requests.length > 0) {
        // check if viewer already has tickets
        for (var i = 0; i < __self.raffle_ticket_requests.length; i++) {
            if (__self.raffle_ticket_requests[i].viewer === caller) {
                has_tickets = true;
                if (amount <= __self.raffle_max_tickets && amount >= 1) {
                    __self.raffle_ticket_requests[i].tickets = amount;
                } else if (amount === 0) {
                    __self.raffle_ticket_requests.splice(i, 1);
                }
                break;
            }
        }

        // if viewer doesn't have tickets and meets > 1 < max req add their request
        if (!has_tickets && amount <= __self.raffle_max_tickets && amount >= 1 && amount !== 0) {
            __self.raffle_ticket_requests.push({viewer: caller, tickets: amount});
        }
    } else {
        // push first ticket if > 1 < max
        if (amount <= __self.raffle_max_tickets && amount >= 1 && amount !== 0) {
            __self.raffle_ticket_requests.push({viewer: caller, tickets: amount});
        }
    }
};

Currency.prototype.raffle_winner = function () {
    var __self = this, sql = '';

    if (__self.raffle_ticket_requests.length > 0) {
        // setup sql to grab all viewers that request coins from the database
        sql += 'SELECT * FROM viewers WHERE ';
        for (var i = 0; i < __self.raffle_ticket_requests.length; i++) {
            if (i !== __self.raffle_ticket_requests.length - 1) {
                sql += 'user=\'' + __self.raffle_ticket_requests[i].viewer.toLowerCase() + '\' OR ';
            } else {
                sql += 'user=\'' + __self.raffle_ticket_requests[i].viewer.toLowerCase() + '\'';
            }
        }

        // execute viewer search query
        __self.db.execute(sql, function(rows) {
            // currency validation
            // - this takes the results of the query and uses the names from the database
            // to filter through the viewers that requested tickets (since they have to be in the
            // database in the first place)
            // - during the filtering process the viewers requested tickets are multiplied by the
            // ticket cost and compared against their currency amount
            // - if the viewer has the funds, their tickets are added and the sql is updated to include their
            // deduction
            sql = '';
            for (var i = 0; i < rows.length; i++) {
                for (var j = 0; j < __self.raffle_ticket_requests.length; j++) {
                    if (__self.raffle_ticket_requests[j].viewer.toLowerCase() === rows[i].user) {
                        var money = __self.raffle_ticket_requests[j].tickets * __self.raffle_ticket_cost;

                        if (rows[i].points >= money) {
                            for (var k = 1; k <= __self.raffle_ticket_requests[j].tickets; k++) {
                                __self.raffle_tickets.push(__self.raffle_ticket_requests[j].viewer);
                            }
                            if (i !== rows.length - 1) {
                                sql += 'UPDATE viewers ';
                                sql += 'SET points = points - ' + money + ' ';
                                sql += 'WHERE user = \'' + rows[i].user + '\'; ';
                            } else {
                                sql += 'UPDATE viewers ';
                                sql += 'SET points = points - ' + money + ' ';
                                sql += 'WHERE user = \'' + rows[i].user + '\'';
                            }
                        }
                        break;
                    }
                }
            }

            // randomize array before selecting a random winner
            __self.raffle_tickets.sort(function () {return 0.5 - Math.random();});

            // select random ticket from array
            var winner = utils.selectRandomArrayItem(__self.raffle_tickets);

            // count winner's tickets
            var winning_ticket_amount;
            for (var i = 0; i < __self.raffle_ticket_requests.length; i++) {
                if (__self.raffle_ticket_requests[i].viewer === winner) {
                    winning_ticket_amount = __self.raffle_ticket_requests[i].tickets;
                    break;
                }
            }

            // output winner to chat
            __self.irc.emit('message', {message:__self.pre_text + 'Raffle closed, ' + __self.raffle_tickets.length + ' tickets purchased!'});
            __self.irc.emit('message', {message:'+ Winner: ' + winner + ' (' + winning_ticket_amount + ' tickets purchased)'});

            // remove one ticket from raffle bowl
            if (__self.raffle_tickets.indexOf(winner) >= 0 ) {
                __self.raffle_tickets.splice(__self.raffle_tickets.indexOf(winner), 1);
            }

            // execute query
            __self.db.execute(sql, function () {});
        });
    } else {
        // no tickets to pick from response
        __self.irc.emit('message', {message:__self.pre_text + 'Raffle closed, no tickets to draw a winner'});
    }
};

Currency.prototype.next_raffle_winner = function () {
    var __self = this, empty_list = [];

    // custom dialog when there are no more raffle tickets
    empty_list.push('Hey, I just met you and this is crazy, but there\'s no more tickets, so start an new raffle maybe?');
    empty_list.push('Are there more tickets? Well, to tell you the truth, in all this excitement I kind of lost track myself.');
    empty_list.push('Heyyyyyy there\'s no more tickets, Op, op, op, op, Open Raffle Style.');
    empty_list.push('Da tickets! Da tickets! Where are all da tickets, boss?');

    if (!__self.raffle_status) {
        // draw next ticket or prompt to open new raffle
        if (__self.raffle_tickets.length > 0) {
            // randomize array before selecting a random winner
            __self.raffle_tickets.sort(function () {return 0.5 - Math.random();});

            // select random ticket from array
            var winner = utils.selectRandomArrayItem(__self.raffle_tickets);

            // count next winner's tickets
            var winning_ticket_amount;
            for (var i = 0; i < __self.raffle_ticket_requests.length; i++) {
                if (__self.raffle_ticket_requests[i].viewer === winner) {
                    winning_ticket_amount = __self.raffle_ticket_requests[i].tickets;
                    break;
                }
            }

            // output winner to chat
            __self.irc.emit('message', {message:__self.pre_text + 'Drawing next ticket'});
            __self.irc.emit('message', {message:'+ Winner: ' + winner + ' (' + winning_ticket_amount + ' tickets purchased)'});

            // remove one ticket from raffle bowl
            if (__self.raffle_tickets.indexOf(winner) >= 0 ) {
                __self.raffle_tickets.splice(__self.raffle_tickets.indexOf(winner), 1);
            }
        } else {
            __self.irc.emit('message', {message:__self.pre_text + utils.selectRandomArrayItem(empty_list)});
        }
    }
};

/**
 * ============================================
 * BETTING SYSTEM
 * --------------------------------------------
 */
Currency.prototype.bets = function(status, data) {
    var __self = this;

    switch(status){
        case true:
            if (!__self.auction_status) {
                if (!__self.raffle_status) {
                    if (!__self.bets_status && !__self.bets_payout) {
                        var wager_msg = '';

                        // open up bets
                        __self.bets_status = true;
                        __self.bets_payout = true;

                        // clear previous board / bets
                        __self.bets_board = [];
                        __self.bets_viewers = [];

                        // create new betting board
                        __self.bets_board = data.join().split(',').filter(function(n){return n}).slice(6);

                        // create chat message on how to place a bet
                        for (var i = 0; i < __self.bets_board.length; i++) {
                            if (i !== __self.bets_board.length - 1) {
                                wager_msg += '"!' + __self.bets_board[i] + '" / ';
                            } else {
                                wager_msg += '"!' + __self.bets_board[i] + '"';
                            }
                        }

                        // output to chat
                        __self.irc.emit('message', {message:__self.pre_text + 'Betting is now open'});
                        __self.irc.emit('message', {message:'+ Type ' + wager_msg + ' and the bet amount to enter'});
                    } else {
                        if (__self.bets_payout) {
                            // payout pending message
                            __self.irc.emit('message', {message:__self.pre_text + 'Unable to take new bets until previous have been paid out'});
                        } else {
                            // gambling is already open response
                            __self.irc.emit('message', {message:__self.pre_text + 'Betting already in progress'});
                        }
                    }
                } else {
                    // raffle in progress
                    __self.irc.emit('message', {message:__self.pre_text + 'Betting must be closed before you can open a raffle'});
                }
            } else {
                // auction currently running
                __self.irc.emit('message', {message:__self.pre_text + 'Betting must be closed before you can open an auction'});
            }
            break;
        case false:
            if (__self.bets_status && __self.bets_payout) {
                // close out bets
                __self.bets_status = false;

                // output to chat
                if (__self.bets_viewers.length > 0) {
                    __self.irc.emit('message', {message:__self.pre_text + 'Betting is now closed'});
                } else {
                    __self.irc.emit('message', {message:__self.pre_text + 'Betting closed, no bets were placed'});
                }

                // deduct bets from viewers amounts
                __self.bets_deduct_bets();
            }
            break;
        case 'winner':
            // set payout to complete
            __self.bets_payout = false;
            break;
    }
};

Currency.prototype.collect_bets = function (caller, bet, amount) {
    var __self = this, has_bet = false;

    if (__self.bets_viewers.length > 0) {
        for (var i = 0; i < __self.bets_viewers.length; i++) {
            if (__self.bets_viewers[i].viewer === caller) {
                has_bet = true;
                if (amount >= 1) {
                    __self.bets_viewers[i].bet = bet;
                    __self.bets_viewers[i].amount = amount;
                } else if (amount === 0 && bet === __self.bets_viewers[i].bet) {
                    __self.bets_viewers.splice(i, 1);
                }
                break;
            }
        }
        if (!has_bet && amount >= 1 && amount !== 0) {
            __self.bets_viewers.push({viewer: caller, bet: bet, amount: amount});
        }
    } else {
        if (amount >= 1 && amount !== 0) {
            __self.bets_viewers.push({viewer: caller, bet: bet, amount: amount});
        }
    }
    console.log(__self.bets_viewers);
};

Currency.prototype.bets_deduct_bets = function () {

};

module.exports = function (irc, db, options) {
    return new Currency(irc, db, options);
};