import { Subcommand } from "@sapphire/plugin-subcommands";
import { ApplyOptions } from "@sapphire/decorators";
import { container } from "@sapphire/framework";

import * as actions from "./actions";
import {
	ButtonStyle,
	ButtonBuilder,
	ChannelType,
	ContainerBuilder,
	TextDisplayBuilder,
} from "discord.js";
import { getGuildByDiscordId } from "@stealth-developers/db";
import { errorMessage, getTextChannel } from "@/lib";
import { Result } from "@sapphire/framework";
import { ActionRowBuilder } from "discord.js";

@ApplyOptions<Subcommand.Options>({
	description: "ticket-related commands",
})
export class TicketCommand extends Subcommand {
	public constructor(context: Subcommand.LoaderContext, options: Subcommand.Options) {
		super(context, {
			...options,
			name: "ticket",
			subcommands: [
				{ name: "new", chatInputRun: "createTicket" },
				{ name: "for", chatInputRun: "createTicketFor", preconditions: ["ModeratorCheck"] },
				{
					name: "actions",
					type: "group",
					entries: [
						{ name: "open", chatInputRun: "openTicket" },
						{ name: "close", chatInputRun: "closeTicket" },
						{ name: "add", chatInputRun: "addToTicket" },
						{ name: "claim", chatInputRun: "claimTicket" },
						{ name: "unclaim", chatInputRun: "unclaimTicket" },
						{ name: "delete", chatInputRun: "deleteTicket" },
					],
				},
				{
					name: "view",
					type: "group",
					entries: [
						{ name: "info", chatInputRun: "viewTicketInfo" },
						{ name: "transcript", chatInputRun: "viewTicketTranscript" },
						{ name: "list", chatInputRun: "listTickets" },
						{ name: "export", chatInputRun: "exportTickets" },
					],
				},
				{
					name: "manage",
					type: "group",
					entries: [
						{
							name: "transcript-channel",
							chatInputRun: "manageConfig",
							preconditions: ["ModeratorCheck"],
						},
						{
							name: "entrypoint-channel",
							chatInputRun: "manageConfig",
							preconditions: ["ModeratorCheck"],
						},
						{
							name: "category",
							chatInputRun: "manageConfig",
							preconditions: ["ModeratorCheck"],
						},
						{
							name: "prompt",
							chatInputRun: "manageConfig",
							preconditions: ["ModeratorCheck"],
						},
						{
							name: "send-prompt",
							chatInputRun: "sendPrompt",
							preconditions: ["ModeratorCheck"],
						},
						{
							name: "greeting",
							chatInputRun: "manageConfig",
							preconditions: ["ModeratorCheck"],
						},
					],
				},
			],
		});
	}

	public override registerApplicationCommands(registry: Subcommand.Registry) {
		registry.registerChatInputCommand((builder) =>
			builder
				.setName("ticket")
				.setDescription("root ticket command")
				.addSubcommand((command) => command.setName("new").setDescription("Open a new ticket"))
				.addSubcommand((command) =>
					command
						.setName("for")
						.setDescription("Open a ticket for a user")
						.addUserOption((option) =>
							option
								.setName("user")
								.setDescription("The user to open the ticket for")
								.setRequired(true),
						),
				)
				.addSubcommandGroup((subcommandGroup) =>
					subcommandGroup
						.setName("action")
						.setDescription("ticket actions")
						.addSubcommand((command) =>
							command.setName("open").setDescription("Reopen the ticket in the current channel"),
						)
						.addSubcommand((command) =>
							command
								.setName("close")
								.setDescription("Close the ticket in the current channel")
								.addStringOption((option) =>
									option
										.setName("reason")
										.setDescription("Public reason for closing the ticket")
										.setRequired(true),
								)
								.addStringOption((option) =>
									option
										.setName("private")
										.setDescription(
											"Private reason for closing the ticket, only visible to moderators",
										)
										.setRequired(false),
								)
								.addBooleanOption((option) =>
									option.setName("delete-channel").setDescription("Delete the channel immediately"),
								),
						),
				)
				.addSubcommandGroup((subcommandGroup) =>
					subcommandGroup
						.setName("manage")
						.setDescription("ticket management commands")
						.addSubcommand((command) =>
							command
								.setName("transcript-channel")
								.setDescription("Sets the channel for ticket transcripts")
								.addChannelOption((option) =>
									option
										.setName("channel")
										.setDescription("The channel to send ticket transcripts to")
										.setRequired(true)
										.addChannelTypes(ChannelType.GuildText),
								),
						)
						.addSubcommand((command) =>
							command
								.setName("entrypoint-channel")
								.setDescription("Sets the entry point channel for ticket creation")
								.addChannelOption((option) =>
									option
										.setName("channel")
										.setDescription("The channel to set as the entry point")
										.setRequired(true)
										.addChannelTypes(ChannelType.GuildText),
								),
						)
						.addSubcommand((command) =>
							command
								.setName("category")
								.setDescription("Sets the category for new tickets")
								.addChannelOption((option) =>
									option
										.setName("category")
										.setDescription("The category to create new tickets in")
										.setRequired(true)
										.addChannelTypes(ChannelType.GuildCategory),
								),
						)
						.addSubcommand((command) =>
							command
								.setName("prompt")
								.setDescription("Set the message sent in the entry point channel"),
						)
						.addSubcommand((command) =>
							command
								.setName("send-prompt")
								.setDescription("Send the prompt to the entry point channel"),
						)
						.addSubcommand((command) =>
							command.setName("greeting").setDescription("Set the message sent in new tickets"),
						),
				),
		);
	}

	public async createTicket(interaction: Subcommand.ChatInputCommandInteraction) {
		await actions.createTicket(interaction);
	}
	public async createTicketFor(interaction: Subcommand.ChatInputCommandInteraction) {
		await actions.createTicket(interaction);
	}

	public async manageConfig(interaction: Subcommand.ChatInputCommandInteraction) {
		await actions.manageConfig(interaction);
	}

	public async sendPrompt(interaction: Subcommand.ChatInputCommandInteraction) {
		if (!interaction.guildId)
			return errorMessage(interaction, "This command can only be used in a server.");
		const guild = await getGuildByDiscordId(interaction.guildId);
		if (!guild) return errorMessage(interaction, "Guild not configured.");

		const commandString = (sub: string) => `</ticket manage ${sub}:${interaction.commandId}>`;

		const channelId = guild.ticketPromptChannel;
		const promptText = guild.ticketPrompt;

		if (!channelId) {
			return errorMessage(
				interaction,
				`Prompt chnanel not configured. Use ${commandString("entrypoint-channel")} to set it up.`,
			);
		}

		if (!promptText)
			return errorMessage(
				interaction,
				`Ticket prompt not configured. Use ${commandString("prompt")} to set it up.`,
			);

		const channelRes = await Result.fromAsync(() => getTextChannel(channelId));
		if (channelRes.isErr()) {
			const err = channelRes.unwrapErr();
			const errorMessageText = err instanceof Error ? err.message : "Unknown error";
			return errorMessage(interaction, `Failed to fetch prompt channel: ${errorMessageText}`);
		}

		const channel = channelRes.unwrap();
		if (!channel.isSendable()) {
			return errorMessage(
				interaction,
				"I don't have permission to send messages in the prompt channel.",
			);
		}

		const button = new ButtonBuilder()
			.setLabel("Open a Ticket")
			.setStyle(ButtonStyle.Success)
			.setCustomId("open-ticket");

		const container = new ContainerBuilder()
			.addTextDisplayComponents(new TextDisplayBuilder().setContent(promptText))
			.addActionRowComponents(new ActionRowBuilder<ButtonBuilder>().addComponents(button));

		await channel.send({ flags: ["IsComponentsV2"], components: [container] });
		return interaction.reply({
			content: "Prompt sent!",
			flags: ["Ephemeral"],
		});
	}
}

container.stores.loadPiece({
	piece: TicketCommand,
	name: "ticket",
	store: "commands",
});