const { Command } = require('discord.js-commando');
const Canvas = require('canvas');
const snekfetch = require('snekfetch');
const moment = require('moment');
const { promisifyAll } = require('tsubaki');
const fs = promisifyAll(require('fs'));
const path = require('path');
const { version } = require('../../package');

module.exports = class CardCommand extends Command {
    constructor(client) {
        super(client, {
            name: 'card',
            aliases: ['discord-card'],
            group: 'avataredit',
            memberName: 'card',
            description: 'Creates a Profile Card for the User.',
            guildOnly: true,
            args: [
                {
                    key: 'member',
                    prompt: 'Which user would you like to edit the avatar of?',
                    type: 'member'
                }
            ]
        });
    }

    async run(msg, args) {
        if (!msg.channel.permissionsFor(this.client.user).has('ATTACH_FILES'))
            return msg.say('This Command requires the `Attach Files` Permission.');
        const { member } = args;
        const cardID = Math.floor(Math.random() * (9999 - 1000 + 1)) + 1000;
        let rarity;
        if (cardID < 5000) rarity = 'C';
        else if (cardID < 8000) rarity = 'U';
        else rarity = 'R';
        const avatarURL = member.user.avatarURL('png', 512);
        if (!avatarURL) return msg.say('This user has no avatar.');
        try {
            const Image = Canvas.Image;
            Canvas.registerFont(path.join(__dirname, '..', '..', 'assets', 'fonts', 'OpenSans.ttf'), { family: 'Open Sans' });
            const canvas = new Canvas(390, 544);
            const ctx = canvas.getContext('2d');
            const base = new Image();
            const avatar = new Image();
            const generate = () => {
                ctx.fillStyle = 'white';
                ctx.fillRect(0, 0, 390, 544);
                ctx.drawImage(avatar, 11, 11, 370, 370);
                ctx.drawImage(base, 0, 0);
                ctx.font = '18px Open Sans';
                ctx.fillStyle = 'black';
                ctx.fillText(member.displayName, 30, 62);
                ctx.fillText('Discord Join Date:', 148, 400);
                ctx.fillText(moment(member.user.createdTimestamp).format('MMMM Do YYYY'), 148, 420);
                ctx.fillText('Role:', 148, 457);
                ctx.fillText(member.highestRole.name, 148, 477);
                ctx.fillText(rarity, 73, 411);
                ctx.fillText(cardID, 60, 457);
                ctx.fillText(version.split('.')[0], 68, 502);
                ctx.font = '14px Open Sans';
                ctx.fillText(member.id, 30, 355);
                ctx.fillText(`#${member.user.discriminator}`, 313, 355);
            };
            base.src = await fs.readFileAsync(path.join(__dirname, '..', '..', 'assets', 'images', 'card.png'));
            const { body } = await snekfetch.get(avatarURL);
            avatar.src = body;
            generate();
            return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'card.png' }] })
                .catch(err => msg.say(`${err.name}: ${err.message}`));
        } catch (err) {
            return msg.say(`${err.name}: ${err.message}`);
        }
    }
};