var request = require('request');
const Discord = require('discord.js');
const client = new Discord.Client();
const fs = require('fs');
const prefix = '$';
var cookieJar = request.jar();
var request = request.defaults({ jar: cookieJar });
var fkey;

//var usernames = JSON.parse(fs.readFileSync("./usernames.json"));

var creds = {
    identifier: 'imachocolatebunny', //Default username
    password: '', //Password goes here
    token: ''
};


var loginNew = function(username) {
    request('https://www.khanacademy.org/login', (error, response, body) => {
        fkey = cookieJar.getCookies('https://www.khanacademy.org')[0].value;
        if (error) console.error(error);
        request.post('https://www.khanacademy.org/login', {
            form: {
                identifier: username,
                password: creds.password,
                fkey: fkey,
                continue: null
            }
        }, (error, response, body) => {
            if (error) console.error(error);
            if (response.statusCode == 200) {
                console.log('Bot logged into account @' + username);
            }
        });
    });
};
loginNew(creds.identifier);

client.on('ready', () => {
    client.user.setActivity('Luke, I am your Mother.');
});

client.on('message', message => {
    var args1 = message.content.split(" ").splice(1);
    var args = args1.join(" ").split("|");
    if (message.content.startsWith(prefix + 'vote')) {
        var project = args[0];
        var username = args[1];
        if (!project) return message.reply("Please provide the id of the project you want to vote up.");
        if (!username) return message.reply("Please provide the username of the user you want to vote up the project.");
        message.channel.send('Logging in...');
        loginNew(username);
        voteProgram({
            id: project
        });
        message.channel.send('The program has been voted up.');

    }
});

function voteProgram(data) {
    request(`https://www.khanacademy.org/api/labs/scratchpads/${data.id}`, (err, res, body) => {
        if (err) return console.error('Error: ' + err);
        request(`https://www.khanacademy.org/api/internal/discussions/voteentity?_=${Date.now()}`, {
            method: 'POST',
            json: {
                "entity_key" : JSON.parse(body).key,
                "vote_type": "1"
            },
            headers: {
                'x-ka-fkey': fkey
            }
        }, (error, response, body) => {
            if (error) console.error('Error: ' + error);
            console.log(body);
        });

    });

}

client.login(creds.token);