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', 'wildwordsroman.ttf'), { family: 'Wild Words' });

module.exports = class ChiIdeaCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'chi-idea',
			aliases: ['idea', 'takagi-idea', 'i-have-an-idea'],
			group: 'edit-meme',
			memberName: 'chi-idea',
			description: 'Sends a "Daddy, I\'ve got an idea!" Takagi-san meme with the text of your choice.',
			throttling: {
				usages: 1,
				duration: 10
			},
			clientPermissions: ['ATTACH_FILES'],
			credit: [
				{
					name: 'u/THANOS_COPTER',
					url: 'https://www.reddit.com/user/THANOS_COPTER/',
					reason: 'Image',
					reasonURL: 'https://www.reddit.com/r/Takagi_san/comments/gb4wdt/how_far_is_too_far/'
				},
				{
					name: 'Teasing Master Takagi-san',
					url: 'https://takagi3.me/',
					reason: 'Original "Teasing Master Takagi-san" Manga'
				},
				{
					name: 'Inside Scanlation',
					url: 'https://www.insidescanlation.com/',
					reason: 'Wild Words Font',
					// eslint-disable-next-line max-len
					reasonURL: 'https://www.insidescanlation.com/etc/the-idiots-guide-to-editing-manga/guide/type/fonts.html'
				}
			],
			args: [
				{
					key: 'text',
					prompt: 'What is Chi\'s idea?',
					type: 'string',
					max: 100
				}
			]
		});
	}

	async run(msg, { text }) {
		const base = await loadImage(path.join(__dirname, '..', '..', 'assets', 'images', 'chi-idea.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 = '15px Wild Words';
		let fontSize = 15;
		while (ctx.measureText(text).width > 500) {
			fontSize -= 1;
			ctx.font = `${fontSize}px Wild Words`;
		}
		const lines = await wrapText(ctx, text, 83);
		const topMost = 137 - (((fontSize * lines.length) / 2) + ((5 * (lines.length - 1)) / 2));
		for (let i = 0; i < lines.length; i++) {
			const height = topMost + ((fontSize + 5) * i);
			ctx.fillText(lines[i], 70, height);
		}
		return msg.say({ files: [{ attachment: canvas.toBuffer(), name: 'chi-idea.png' }] });
	}
};