const Canvas = require("canvas"),
	BaseEvent = require("../../base/BaseEvent"),
	{ AttachmentBuilder } = require("discord.js"),
	{ resolve } = require("path");

Canvas.registerFont(resolve("./assets/fonts/RubikMonoOne-Regular.ttf"), { family: "RubikMonoOne" });
Canvas.registerFont(resolve("./assets/fonts/KeepCalm-Medium.ttf"), { family: "KeepCalm" });

const applyText = (canvas, text, defaultFontSize, width, font) => {
	const ctx = canvas.getContext("2d");
	do ctx.font = `${(defaultFontSize -= 1)}px ${font}`;
	while (ctx.measureText(text).width > width);

	return ctx.font;
};

class GuildMemberAdd extends BaseEvent {
	constructor() {
		super({
			name: "guildMemberAdd",
			once: false,
		});
	}

	/**
	 *
	 * @param {import("../../base/Client")} client
	 * @param {import("discord.js").GuildMember} member
	 */
	async execute(client, member) {
		if (member.guild && member.guildId === "568120814776614924") return;

		await member.guild.members.fetch();

		const guildData = await client.getGuildData(member.guild.id);

		if (guildData.plugins.autorole.enabled) member.roles.add(guildData.plugins.autorole.role);

		if (guildData.plugins.welcome.enabled) {
			const channel = member.guild.channels.cache.get(guildData.plugins.welcome.channel);

			if (channel) {
				const message = guildData.plugins.welcome.message
					.replace(/{user}/g, member)
					.replace(/{server}/g, member.guild.name)
					.replace(/{membercount}/g, member.guild.memberCount);

				if (guildData.plugins.welcome.withImage) {
					const canvas = Canvas.createCanvas(1024, 450),
						ctx = canvas.getContext("2d");

					// Draw background
					const background = await Canvas.loadImage("./assets/img/greetings_background.png");
					ctx.drawImage(background, 0, 0, canvas.width, canvas.height);

					// Draw layer
					ctx.fillStyle = "#FFFFFF";
					ctx.globalAlpha = "0.4";
					ctx.fillRect(0, 0, 25, canvas.height);
					ctx.fillRect(canvas.width - 25, 0, 25, canvas.height);
					ctx.fillRect(25, 0, canvas.width - 50, 25);
					ctx.fillRect(25, canvas.height - 25, canvas.width - 50, 25);
					ctx.fillStyle = "#FFFFFF";
					ctx.globalAlpha = "0.4";
					ctx.fillRect(344, canvas.height - 296, 625, 65);
					ctx.fillStyle = "#FFFFFF";
					ctx.globalAlpha = "0.4";
					ctx.fillRect(389, canvas.height - 225, 138, 65);
					ctx.fillStyle = "#FFFFFF";
					ctx.globalAlpha = "0.4";
					ctx.fillRect(308, canvas.height - 110, 672, 65);

					// Draw username
					ctx.globalAlpha = 1;
					ctx.fillStyle = "#FFFFFF";
					ctx.font = applyText(canvas, member.user.username, 48, 600, "RubikMonoOne");
					ctx.fillText(member.user.username, canvas.width - 670, canvas.height - 250);

					// Draw server name
					ctx.font = applyText(
						canvas,
						client.translate("administration/welcome:IMG_WELCOME", {
							server: member.guild.name,
						}, guildData.language),
						53,
						625,
						"RubikMonoOne",
					);

					ctx.fillText(
						client.translate("administration/welcome:IMG_WELCOME", {
							server: member.guild.name,
						}, guildData.language),
						canvas.width - 700,
						canvas.height - 70,
					);

					// Draw discriminator
					ctx.font = "35px RubikMonoOne";
					ctx.fillText(member.user.discriminator === "0" ? "" : member.user.discriminator, canvas.width - 623, canvas.height - 178);

					// Draw membercount
					ctx.font = "22px RubikMonoOne";
					ctx.fillText(`${member.guild.memberCount}й ${client.translate("misc:NOUNS:MEMBERS:1", null, guildData.language)}`, 40, canvas.height - 35);

					// Draw # for discriminator
					ctx.fillStyle = "#FFFFFF";
					ctx.font = "70px RubikMonoOne";
					ctx.fillText(member.user.discriminator === "0" ? "" : "#", canvas.width - 690, canvas.height - 165);

					// Draw title
					ctx.font = "45px RubikMonoOne";
					ctx.strokeStyle = "#000000";
					ctx.lineWidth = 10;
					ctx.strokeText(client.translate("administration/welcome:TITLE", null, guildData.language), canvas.width - 670, canvas.height - 330);
					ctx.fillStyle = "#FFFFFF";
					ctx.fillText(client.translate("administration/welcome:TITLE", null, guildData.language), canvas.width - 670, canvas.height - 330);

					// Draw avatar circle
					ctx.beginPath();
					ctx.lineWidth = 10;
					ctx.strokeStyle = "#FFFFFF";
					ctx.arc(180, 225, 135, 0, Math.PI * 2, true);
					ctx.stroke();
					ctx.closePath();
					ctx.clip();

					const avatar = await Canvas.loadImage(
						member.displayAvatarURL({
							extension: "jpg",
						}),
					);
					ctx.drawImage(avatar, 45, 90, 270, 270);

					const attachment = new AttachmentBuilder(canvas.toBuffer(), { name: "welcome-image.png" });

					channel.send({
						content: message,
						files: [attachment],
					});
				} else
					channel.send({ content: message });
			}
		}
	}
}

module.exports = GuildMemberAdd;