const { SlashCommandBuilder, PermissionsBitField, ButtonBuilder, ButtonStyle, ActionRowBuilder, ChannelType } = require("discord.js");
const BaseCommand = require("../../base/BaseCommand");

class CreateTicketEmbed extends BaseCommand {
	/**
	 *
	 * @param {import("../../base/Client")} client
	 */
	constructor(client) {
		super({
			command: new SlashCommandBuilder()
				.setName("createticketembed")
				.setDescription(client.translate("tickets/createticketembed:DESCRIPTION"))
				.setDescriptionLocalizations({
					uk: client.translate("tickets/createticketembed:DESCRIPTION", null, "uk-UA"),
					ru: client.translate("tickets/createticketembed:DESCRIPTION", null, "ru-RU"),
				})
				.setDMPermission(false)
				.setDefaultMemberPermissions(PermissionsBitField.Flags.ManageGuild),
			dirname: __dirname,
			ownerOnly: false,
		});
	}

	/**
	 *
	 * @param {import("../../base/Client")} client
	 */
	async onLoad(client) {
		client.on("interactionCreate", async interaction => {
			if (!interaction.isButton()) return;

			interaction.data = [];
			interaction.data.guild = await client.findOrCreateGuild(interaction.guildId);

			const guildData = interaction.data.guild,
				ticketsCategory = guildData.plugins?.tickets?.ticketsCategory,
				ticketLogs = guildData.plugins?.tickets?.ticketLogs,
				transcriptionLogs = guildData.plugins?.tickets?.transcriptionLogs;

			const button = interaction.component;

			if (button.customId === "support_ticket") {
				if (interaction.guild.channels.cache.get(ticketsCategory).children.cache.size >= 50) {
					const sorted = interaction.guild.channels.cache.get(ticketsCategory).children.cache.sort((ch1, ch2) => ch1.createdTimestamp - ch2.createdTimestamp);

					await sorted.first().delete();
				}

				if (guildData.plugins.tickets.count === undefined) guildData.plugins.tickets.count = 0;

				guildData.plugins.tickets.count++;

				const channel = await interaction.guild.channels.create({
					name: `${interaction.user.username}-support-${guildData.plugins.tickets.count}`,
					topic: interaction.user.id,
					type: ChannelType.GuildText,
					parent: ticketsCategory,
					permissionOverwrites: [
						{
							id: interaction.user.id,
							allow: [PermissionsBitField.Flags.ViewChannel, PermissionsBitField.Flags.SendMessages],
						},
						{
							id: interaction.guild.roles.everyone,
							deny: [PermissionsBitField.Flags.ViewChannel, PermissionsBitField.Flags.SendMessages],
						},
					],
				});

				const logChannel = interaction.guild.channels.cache.get(ticketLogs);
				const logEmbed = client.embed({
					title: interaction.translate("tickets/createticketembed:TICKET_CREATED_TITLE"),
					description: `${interaction.user.toString()} (${channel.toString()})`,
				});

				await logChannel.send({ embeds: [logEmbed] });
				await interaction.success("tickets/createticketembed:TICKET_CREATED", {
					channel: channel.toString(),
				}, { ephemeral: true });

				await channel.send(`<@${interaction.user.id}>`);

				const embed = client.embed({
					author: {
						name: interaction.user.getUsername(),
						iconURL: interaction.user.displayAvatarURL(),
					},
					title: "Support Ticket",
					description: interaction.translate("tickets/createticketembed:TICKET_CREATED_DESC"),
				});

				const closeButton = new ButtonBuilder()
					.setCustomId("close_ticket")
					.setLabel(interaction.translate("tickets/closeticket:CLOSE_TICKET"))
					.setStyle(ButtonStyle.Danger);
				const transcriptButton = new ButtonBuilder()
					.setCustomId("transcript_ticket")
					.setLabel(interaction.translate("tickets/closeticket:TRANSCRIPT_TICKET"))
					.setStyle(ButtonStyle.Secondary);
				const row = new ActionRowBuilder().addComponents(closeButton, transcriptButton);

				await guildData.save();

				await channel.send({ embeds: [embed], components: [row] });
			} else if (button.customId === "close_ticket") {
				const embed = client.embed({
					title: interaction.translate("tickets/closeticket:CLOSING_TITLE"),
					description: interaction.translate("tickets/closeticket:CLOSING_DESC"),
					fields: [
						{
							name: interaction.translate("common:TICKET"),
							value: interaction.channel.name,
						},
						{
							name: interaction.translate("tickets/closeticket:CLOSING_BY"),
							value: interaction.user.getUsername(),
						},
					],
				});

				const button = new ButtonBuilder().setCustomId("cancel_closing").setLabel(interaction.translate("common:CANCEL")).setStyle(ButtonStyle.Danger);
				const row = new ActionRowBuilder().addComponents(button);

				await interaction.reply({
					embeds: [embed],
					components: [row],
				});

				const filter = i => i.customId === "cancel_closing";
				const collector = interaction.channel.createMessageComponentCollector({ filter, time: 5000 });

				collector.on("collect", async i => {
					await i.update({ content: interaction.translate("tickets/closeticket:CLOSING_CANCELED"), components: [] });
					collector.stop("canceled");
				});

				collector.on("end", async (_, reason) => {
					if (reason !== "canceled") {
						const reversedMessages = (await interaction.channel.messages.fetch()).filter(m => !m.author.bot);
						const messages = Array.from(reversedMessages.values()).reverse();

						if (messages.length > 1) {
							let transcript = "---- TICKET CREATED ----\n";
							messages.forEach(message => {
								transcript += `[${client.functions.printDate(client, message.createdTimestamp, null, interaction.getLocale())}] ${message.author.getUsername()}: ${message.content}\n`;
							});
							transcript += "---- TICKET CLOSED ----\n";

							if (transcriptionLogs !== null) interaction.guild.channels.cache.get(transcriptionLogs).send({ content: interaction.translate("tickets/closeticket:TRANSCRIPT", { channel: `<#${interaction.channelId}>` }), files: [{ attachment: Buffer.from(transcript), name: `${interaction.channel.name}.txt` }] });

							try {
								await interaction.user.send({
									content: interaction.translate("tickets/closeticket:TRANSCRIPT", { channel: interaction.channel.name }),
									files: [{ attachment: Buffer.from(transcript), name: `${interaction.channel.name}.txt` }],
								});
							} catch (e) {
								interaction.followUp({ content: interaction.translate("misc:CANT_DM"), ephemeral: true });
							}
						}

						const logChannel = interaction.guild.channels.cache.get(ticketLogs);
						const logEmbed = client.embed({
							title: interaction.translate("tickets/createticketembed:TICKET_CLOSED_TITLE"),
							description: `${interaction.user.toString()} (${interaction.channel.toString()})`,
						});

						logChannel.send({ embeds: [logEmbed] });

						interaction.channel.send("Closed!");

						const member = interaction.guild.members.cache.find(u => u.user.id === interaction.channel.topic);

						await interaction.channel.permissionOverwrites.edit(member, { ViewChannel: false, SendMessages: null });
						await interaction.channel.setName(`${interaction.channel.name}-closed`);
					}
				});
			} else if (button.customId === "transcript_ticket") {
				await interaction.deferUpdate();

				const reversedMessages = (await interaction.channel.messages.fetch()).filter(m => !m.author.bot);
				const messages = Array.from(reversedMessages.values()).reverse();

				if (messages.length > 1) {
					let transcript = "---- TICKET CREATED ----\n";
					messages.forEach(message => {
						transcript += `[${client.functions.printDate(client, message.createdTimestamp, null, interaction.getLocale())}] ${message.author.getUsername()}: ${message.content}\n`;
					});
					transcript += "---- TICKET CLOSED ----\n";

					try {
						await interaction.user.send({
							content: interaction.translate("tickets/closeticket:TRANSCRIPT", { channel: `<#${interaction.channelId}>` }),
							files: [{ attachment: Buffer.from(transcript), name: `${interaction.channel.name}.txt` }],
						});
					} catch (error) {
						interaction.followUp({ content: interaction.translate("misc:CANT_DM"), ephemeral: true });
					}
				} else return;
			}
		});
	}

	/**
	 *
	 * @param {import("../../base/Client")} client
	 * @param {import("discord.js").ChatInputCommandInteraction} interaction
	 */
	async execute(client, interaction) {
		const guildData = interaction.data.guild;

		if (!guildData.plugins.tickets.ticketsCategory) return interaction.error("tickets/createticketembed:NO_CATEGORY");

		await interaction.deferReply({ ephemeral: true });

		const embed = client.embed({
			title: interaction.translate("tickets/createticketembed:TICKET_TITLE"),
			description: interaction.translate("tickets/createticketembed:TICKET_DESC"),
		});

		const supportButton = new ButtonBuilder().setCustomId("support_ticket").setLabel(interaction.translate("tickets/createticketembed:TICKET_SUPPORT")).setStyle(ButtonStyle.Primary);
		const row = new ActionRowBuilder().addComponents(supportButton);

		await interaction.channel.send({ embeds: [embed], components: [row] });

		interaction.success("tickets/createticketembed:SUCCESS", null, { edit: true });
	}
}

module.exports = CreateTicketEmbed;