const fs = require("fs"); // Filesystem access
const https = require("https");
var Utils = require('../modules/utils');

exports.main = function(message, mirrorWebhook) {
    try {
        var hook = mirrorWebhook;
        var username = message.author.username;
        var sanitisedUsername = username.replace(/(?:'| )/g,"_");
        var avatarURL = message.author.avatarURL;
        var content = message.content;
        var avatars = [];
        var filelocation = 'C:/Users/Robyn/Desktop/Projects/MlgMumbleBot/resources/avatars/'+sanitisedUsername+'.jpg';
        var attachlocation = 'attachment://'+sanitisedUsername+'.jpg';

        // handle default avatars
        if (avatarURL == "https://static.wikia.nocookie.net/messaging/scale-to-width-down/150") {
            fs.copyFileSync('./resources/avatars/_default.jpg', './resources/avatars/'+sanitisedUsername+'.jpg');
            avatars.push(sanitisedUsername);
            console.log('Created default avatar for user '+username);
        }

        var download = function(url, dest, cb) {
            var file = fs.createWriteStream(dest);
            var request = https.get(url, function(response) {
                response.pipe(file);
                    file.on('finish', function() {
                        file.close(cb); // close() is async, call cb after close completes.
                    });
                    }).on('error', function(err) { // Handle errors
                fs.unlink(dest); // Delete the file async. (But we don't check the result)
                if (cb) cb(err.message);
            });
        };

        fs.readdirSync("./resources/avatars/").forEach(file => {
            avatars.push(file.substring(0,file.lastIndexOf(".")));
        });

        var sendWebhook = function(webhook, content, username, avatarUrl) {
            webhook.edit({ name: username, avatar: avatarUrl })
                .then(() => {
                    webhook.send(content, { username: username })
                    .then(message => console.log(`Sent message: ${message.content}`))
                    .catch((error) => {
                        console.log(error);
                    });
                })
                .catch((error) => {
                    console.log(error);
                });
        }

        if (avatars.indexOf(sanitisedUsername) != -1) {
            var lastModified = fs.statSync(filelocation).mtime;
            var now = new Date().getTime();
            if (now - lastModified > 3 * 60 * 60 * 1000 && avatarURL != "https://static.wikia.nocookie.net/messaging/scale-to-width-down/150") {
                download(avatarURL, filelocation, function() {
                    console.log("Downloaded new avatar for "+username);
                    sendWebhook(hook, content, username, filelocation);
                });
            } else {
                sendWebhook(hook, content, username, filelocation);
            }
        } else {
            download(avatarURL, './resources/avatars/'+username+'.jpg', function() {
                console.log("Downloaded new avatar for "+username);
                sendWebhook(hook, content, username, filelocation);
            });
        }
    } catch (error) {
        console.log(error);
        return false;
    }
}