var http = require('http');
var net = require('net');
var fs = require('fs');
var lines = ["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""];
var times = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
var irc = {
    s: {},
    nick: 'echobot',
    nickpass: '********',
    user: 'echobot echobot nfdb.net EchoBot',
    server: 'chat.freenode.net',
    port: 6666,
    chan: 'nerdlab',
    cmd: ',',
    priv: '+'
}

http.createServer(function (req, res) {
    switch (req.url) {
        case "/":
            res.writeHead(200, {'Content-Type': 'text/html'});
            var page = fs.readFileSync('index.htm', 'utf8');
            res.write(page);
            break;
        case "/read":
            res.writeHead(200, {'Content-Type': 'text/plain'});
            for (line in lines) {
                res.write("<div class=\"line\">"+lines[line]+"</div>\n");
            }
            break;
        default:
            res.writeHead(404, {'Content-Type': 'text/html'});
            res.write("The requested page does not exist.");
    }
    //res.write('Request URL was: '+req.url);
    res.end('\n');
}).listen(80, 'nfd.ath.cx');
console.log('HTTP Server Running');
console.log('TCP Server Listening');
irc.s = new net.Socket();
irc.s.addListener('data', ircdata);
irc.s.addListener('connect', ircconnect);
irc.s.addListener('end', ircdisconnect);
irc.s.setEncoding('ascii');

var notconnected = false;
do {
    notconnected = false;
    try {
        irc.s.connect(irc.port, irc.server);
        console.log('Connecting to IRC server...');
    } catch (e) {
        console.log('Error connecting to server... '+e);
        console.log('Retrying connection...');
        notconnected = true;
    }
} while (notconnected == true);

function ircconnect() {
    console.log('IRC Connection Established.');
    irc.s.write('NICK '+irc.nick+'\n');
    irc.s.write('USER '+irc.user+'\n');
    irc.s.write('JOIN #'+irc.chan+'\n');
}

function ircdisconnect() {
    console.log('Connection lost.');
    irc.s.connect(irc.port, irc.server);
    console.log('Reconnecting...');
}

function ircdata(data) {
    //console.log('Data recieved: '+data.trim());
    var lines = data.split('\n');
    for (var i = 0; i < lines.length; i++) {
        processline(lines[i]);
    }
}

function processline(data) {
    var dat = data.split(' ');
    var musr = {
        nick: dat[0].split('!')[0],
        host: dat[0].split('!')[1]
    };
    switch (dat[0]) {
        case 'PING':
            irc.s.write('PONG '+dat[1].substr(1)+'\n');
            console.log('Pong!');
            break;
        default:
            switch (dat[1]) {
                case 'PRIVMSG':
                    var msg = dat.slice(3);
                    msg = msg.join(' ');
                    msg = msg.trim().substr(1);
                    if (dat[3].substr(1,1) == irc.cmd) {
                        console.log('Command from '+musr.nick+': "'+dat[3].substr(1).trim()+'"');
                        // Send a command to the tile page.

                    } else {
                        console.log('Message from '+musr.nick.substr(1)+': "'+msg+'"');
                        lines.splice(0,1);
                        times.splice(0,1);
                        lines.push(musr.nick.substr(1)+': '+msg);
                        var d = new Date();
                        times.push(d.getTime());
                    }
                    break;
                case '372': // MOTD
                    break;
                case '433': // Nick in use
                    irc.s.write('PRIVMSG nickserv IDENTIFY '+irc.nick+' '+irc.nickpass+'\n');
                    irc.s.write('PRIVMSG nickserv GHOST\n');
                    irc.s.write('NICK '+irc.nick+'\n');
                    irc.s.write('USER '+irc.user+'\n');
                    irc.s.write('JOIN #'+irc.chan+'\n');
                    break;
                default:
                    //console.log('Did not recognize data.');
                    //console.log(data);
            }
    }
}