import { Commands, type CommandsType } from "commands";
import {
	ChannelType,
	Client,
	Events,
	IntentsBitField,
	type VoiceState,
	type ButtonInteraction,
	type CacheType,
	type ChatInputCommandInteraction,
	type Interaction,
	type ModalSubmitInteraction,
} from "discord.js";
import client from "lib/client";
import EventEmitter from "node:events";
import DiscordService from "services/discord.service";
import { WaterMeService } from "actions/waterMe/waterMe.service";
import { MedicationService } from "actions/medication/medication.service";
import { HelpService } from "actions/help/help.service";
import { GreetingService } from "actions/greeting/greeting.service";
import { ActivityService } from "actions/activity/activity.service";
import { DmService } from "actions/dm/dm.service";
import { CustomMessageService } from "actions/customMessage/customMessage.service";
import { DynamicChannelService } from "actions/dynamicChannel/dynamicChannel.service";
import config from "config";

export default class DiscordController extends EventEmitter {
	private discordService!: DiscordService;
	waterMeService: WaterMeService;
	greetingService: GreetingService;
	medicationService: MedicationService;
	helpService: HelpService;
	activityService: ActivityService;
	dmService: DmService;
	customMessageService: CustomMessageService;
	channelListeners = new Map();
	dynamicChannelService: DynamicChannelService;

	constructor() {
		super();
		this.discordService = new DiscordService();
		this.waterMeService = new WaterMeService();
		this.greetingService = new GreetingService();
		this.medicationService = new MedicationService();
		this.helpService = new HelpService();
		this.activityService = new ActivityService();
		this.dmService = new DmService();
		this.customMessageService = new CustomMessageService();
		this.dynamicChannelService = new DynamicChannelService();

		let channelListeners = new Map();
		// log when running
		client.once("ready", async () => {
			await this.setActivity();
			console.log("ready");
		});

		// listen for interactions
		client.on("interactionCreate", this.handleInteraction.bind(this));

		client.on("messageCreate", async (message) => {
			console.log(message.id);
			if (message.channel.type === ChannelType.DM) {
				console.log("got msg");
				this.dmService.forward(message);
			}
		});

		client.on("guildMemberAdd", async (member) => {
			await this.greetingService.welcome(member);
		});

		client.on(
			Events.VoiceStateUpdate,
			async (oldState: VoiceState, newState: VoiceState) => {
				// check if user joined a vc
				if (
					(!oldState.channelId && newState.channelId) ||
					oldState.channelId !== newState.channelId
				) {
					// check if right vc
					if (
						newState.channelId === config.discord.vchannelIdForTwo ||
						newState.channelId === config.discord.vchannelIdForThree ||
						newState.channelId === config.discord.vchannelIdForFour ||
						newState.channelId === config.discord.vchannelIdForGroup
					) {
						const channel = newState.channel;
						if (!channel) {
							console.error("channel not found");
							return;
						}
						try {
							// create new channel with same settings
							/*const newChannel = await channel.clone({
							name: channel.name + "; " + newState.member?.displayName,
							position: channel.position
						});*/

							const newChannel = await this.dynamicChannelService.createChannel(
								oldState,
								newState,
								channel,
							);

							// move user in new channel
							await newState.setChannel(newChannel);

							// create specific listener for channel
							const channelListener = async (
								oldState: VoiceState,
								newState: VoiceState,
							) => {
								/*if (oldState.channelId === newChannel.id || newState.channelId === newChannel.id) {
								// check if channel empty
								if (newChannel.members.size === 0) {
									newChannel.delete()
										.catch(console.error);
									// delete listener for this channel
									client.removeListener(Events.VoiceStateUpdate, channelListener);
									channelListeners.delete(newChannel.id);
								}
							}*/
								channelListeners =
									await this.dynamicChannelService.deleteChannel(
										oldState,
										newState,
										newChannel,
										channelListeners,
										channelListener,
									);
							};
							// save listener in map
							channelListeners.set(newChannel.id, channelListener);

							// add listener
							client.on(Events.VoiceStateUpdate, channelListener);
						} catch (error) {
							console.error("error while duplicating channel", error);
						}
					}
				}
			},
		);
	}

	async setActivity() {
		client.user?.setActivity(":3", { type: 4 });
		console.log("set activity");
		client.user?.setPresence({
			status: "online",
		});
	}

	async init() {
		await this.discordService.init();
	}

	async handleInteraction(interaction: Interaction<CacheType>) {
		if (interaction.isModalSubmit()) {
			await this.handleModalSubmit(interaction);
			return;
		}

		if (interaction.isChatInputCommand()) {
			await this.handleChatInputCommand(interaction);
			return;
		}
		if (interaction.isButton()) {
			await this.handleButton(interaction);
			return;
		}
	}

	async handleButton(interaction: ButtonInteraction<CacheType>) {
		const { customId } = interaction;
		console.log(interaction.customId);

		if (customId.toLowerCase().includes("moreWater")) {
			await this.waterMeService.handleInteraction(interaction);
		}
		if (customId.toLowerCase().includes("medication")) {
			await this.medicationService.handleInteraction(interaction);
		}
	}

	async handleChatInputCommand(
		interaction: ChatInputCommandInteraction<CacheType>,
	) {
		const commandName = interaction.commandName as CommandsType;

		// add commands
		switch (commandName) {
			case Commands.Enum.giessen:
				await this.waterMeService.handleInteraction(interaction);
				return;
			case Commands.Enum.medikamente:
				await this.medicationService.handleInteraction(interaction);
				return;
			case Commands.Enum.hilfe:
				await this.helpService.handleInteraction(interaction);
				return;
			case Commands.Enum.accept:
				await this.greetingService.handleInteraction(interaction);
				return;
			case Commands.Enum.welcome:
				await this.greetingService.handleInteraction(interaction);
				return;
			case Commands.Enum.embed:
				await this.customMessageService.handleInteraction(interaction);
				return;
			case Commands.Enum.message:
				await this.customMessageService.handleInteraction(interaction);
				return;
			case Commands.Enum.reminder:
				await this.greetingService.handleInteraction(interaction);
				return;
			default:
				break;
		}
	}

	// wenn neues fenster durch buttonclick or so
	async handleModalSubmit(interaction: ModalSubmitInteraction<CacheType>) {
		const { customId } = interaction;

		switch (customId) {
			default:
				break;
		}
	}
}