const Command = require('../../structures/Command');
const { createCanvas, loadImage, registerFont } = require('canvas');
const path = require('path');
const { wrapText } = require('../../util/Canvas');
registerFont(path.join(__dirname, '..', '..', 'assets', 'fonts', 'Noto-Regular.ttf'), { family: 'Noto' });
registerFont(path.join(__dirname, '..', '..', 'assets', 'fonts', 'Noto-CJK.otf'), { family: 'Noto' });
registerFont(path.join(__dirname, '..', '..', 'assets', 'fonts', 'Noto-Emoji.ttf'), { family: 'Noto' });

module.exports = class PanikKalmPanikCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'panik-kalm-panik',
			aliases: ['panic-calm-panic', 'pkp', 'panik', 'kalm'],
			group: 'edit-meme',
			memberName: 'panik-kalm-panik',
			description: 'Sends a "Panik, Kalm, Panik" meme with the text of your choice.',
			throttling: {
				usages: 1,
				duration: 10
			},
			clientPermissions: ['ATTACH_FILES'],
			credit: [
				{
					name: 'Google',
					url: 'https://www.google.com/',
					reason: 'Noto Font',
					reasonURL: 'https://www.google.com/get/noto/'
				},
				{
					name: 'Overtime2005',
					url: 'https://github.com/Overtime2005',
					reason: 'Concept'
				}
			],
			args: [
				{
					key: 'panik',
					label: 'first panik',
					prompt: 'What text should be the first panik?',
					type: 'string',
					max: 500
				},
				{
					key: 'kalm',
					prompt: 'What text should be the kalm?',
					type: 'string',
					max: 500
				},
				{
					key: 'panik2',
					prompt: 'What text should be the second panik?',
					type: 'string',
					max: 500
				}
			]
		});
	}

	async run(msg, { panik, kalm, panik2 }) {
		try {
			const base = await loadImage(path.join(__dirname, '..', '..', 'assets', 'images', 'panik-kalm-panik.png'));
			const canvas = createCanvas(base.width, base.height);
			const ctx = canvas.getContext('2d');
			ctx.drawImage(base, 0, 0);
			ctx.textAlign = 'center';
			ctx.textBaseline = 'top';
			ctx.font = '40px Noto';
			let fontSize = 40;
			while (ctx.measureText(panik).width > 1136) {
				fontSize--;
				ctx.font = `${fontSize}px Noto`;
			}
			const panikLines = await wrapText(ctx, panik, 284);
			const panikTopMost = 130 - (((fontSize * panikLines.length) / 2) + ((10 * (panikLines.length - 1)) / 2));
			for (let i = 0; i < panikLines.length; i++) {
				const height = panikTopMost + ((fontSize + 10) * i);
				ctx.fillText(panikLines[i], 150, height);
			}
			ctx.font = '40px Noto';
			fontSize = 40;
			while (ctx.measureText(kalm).width > 1136) {
				fontSize--;
				ctx.font = `${fontSize}px Noto`;
			}
			const kalmLines = await wrapText(ctx, kalm, 284);
			const kalmTopMost = 430 - (((fontSize * kalmLines.length) / 2) + ((10 * (kalmLines.length - 1)) / 2));
			for (let i = 0; i < kalmLines.length; i++) {
				const height = kalmTopMost + ((fontSize + 10) * i);
				ctx.fillText(kalmLines[i], 150, height);
			}
			ctx.font = '40px Noto';
			fontSize = 40;
			while (ctx.measureText(panik2).width > 1136) {
				fontSize--;
				ctx.font = `${fontSize}px Noto`;
			}
			const panik2Lines = await wrapText(ctx, panik2, 284);
			const panik2TopMost = 730 - (((fontSize * panik2Lines.length) / 2) + ((10 * (panik2Lines.length - 1)) / 2));
			for (let i = 0; i < panik2Lines.length; i++) {
				const height = panik2TopMost + ((fontSize + 10) * i);
				ctx.fillText(panik2Lines[i], 150, height);
			}
			return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'panik-kalm-panik.png' }] });
		} catch (err) {
			return msg.reply(`Oh no, an error occurred: \`${err.message}\`. Try again later!`);
		}
	}
};