import { LoadingEmbed } from "./../../utils/defaultEmbeds.js";
import Discord, { Channel, CommandInteraction, Message, MessageActionRow, MessageButton, MessageComponentInteraction, Role } from "discord.js";
import { SlashCommandSubcommandBuilder } from "@discordjs/builders";
import EmojiEmbed from "../../utils/generateEmojiEmbed.js";
import client from "../../utils/client.js";
import confirmationMessage from "../../utils/confirmationMessage.js";
import generateKeyValueList from "../../utils/generateKeyValueList.js";
import { ChannelType } from "discord-api-types";
import getEmojiByName from "../../utils/getEmojiByName.js";

const command = (builder: SlashCommandSubcommandBuilder) =>
    builder
        .setName("welcome")
        .setDescription("Messages and roles sent or given when someone joins the server")
        .addStringOption(option => option.setName("message").setDescription("The message to send when someone joins the server").setAutocomplete(true))
        .addRoleOption(option => option.setName("role").setDescription("The role given when someone joins the server"))
        .addRoleOption(option => option.setName("ping").setDescription("The role pinged when someone joins the server"))
        .addChannelOption(option => option.setName("channel").setDescription("The channel the welcome message should be sent to").addChannelTypes([
            ChannelType.GuildText, ChannelType.GuildNews
        ]));

const callback = async (interaction: CommandInteraction): Promise<void | unknown> => {
    const { renderRole, renderChannel, log, NucleusColors, entry, renderUser } = client.logger;
    await interaction.reply({embeds: LoadingEmbed, fetchReply: true, ephemeral: true});
    let m: Message;
    if (interaction.options.getRole("role") || interaction.options.getChannel("channel") || interaction.options.getString("message")) {
        let role: Role;
        let ping: Role;
        const message = interaction.options.getString("message");
        try {
            role = interaction.options.getRole("role") as Role;
            ping = interaction.options.getRole("ping") as Role;
        } catch {
            return await interaction.editReply({embeds: [new EmojiEmbed()
                .setEmoji("GUILD.ROLES.DELETE")
                .setTitle("Welcome Events")
                .setDescription("The role you provided is not a valid role")
                .setStatus("Danger")
            ]});
        }
        let channel: Channel;
        try {
            channel = interaction.options.getChannel("channel") as Channel;
        } catch {
            return await interaction.editReply({embeds: [new EmojiEmbed()
                .setEmoji("GUILD.ROLES.DELETE")
                .setTitle("Welcome Events")
                .setDescription("The channel you provided is not a valid channel")
                .setStatus("Danger")
            ]});
        }
        role = role as Discord.Role;
        ping = ping as Discord.Role;
        channel = channel as Discord.TextChannel;
        const options = {};
        if (role) options["role"] = renderRole(role);
        if (ping) options["ping"] = renderRole(ping);
        if (channel) options["channel"] = renderChannel(channel);
        if (message) options["message"] = "\n> " + message;
        const confirmation = await new confirmationMessage(interaction)
            .setEmoji("GUILD.ROLES.EDIT")
            .setTitle("Welcome Events")
            .setDescription(generateKeyValueList(options))
            .setColor("Warning")
            .setInverted(true)
            .send(true);
        if (confirmation.cancelled) return;
        if (confirmation.success) {
            try {
                const toChange = {};
                if (role) toChange["welcome.role"] = role.id;
                if (ping) toChange["welcome.ping"] = ping.id;
                if (channel) toChange["welcome.channel"] = channel.id;
                if (message) toChange["welcome.message"] = message;
                await client.database.guilds.write(interaction.guild.id, toChange);
                const list = {
                    memberId: entry(interaction.user.id, `\`${interaction.user.id}\``),
                    changedBy: entry(interaction.user.id, renderUser(interaction.user))
                };
                if (role) list["role"] = entry(role.id, renderRole(role));
                if (ping) list["ping"] = entry(ping.id, renderRole(ping));
                if (channel) list["channel"] = entry(channel.id, renderChannel(channel.id));
                if (message) list["message"] = entry(message, `\`${message}\``);
                const data = {
                    meta:{
                        type: "welcomeSettingsUpdated",
                        displayName: "Welcome Settings Changed",
                        calculateType: "nucleusSettingsUpdated",
                        color: NucleusColors.green,
                        emoji: "CONTROL.BLOCKTICK",
                        timestamp: new Date().getTime()
                    },
                    list: list,
                    hidden: {
                        guild: interaction.guild.id
                    }
                };
                log(data);
            } catch (e) {
                console.log(e);
                return interaction.editReply({embeds: [new EmojiEmbed()
                    .setTitle("Welcome Events")
                    .setDescription("Something went wrong while updating welcome settings")
                    .setStatus("Danger")
                    .setEmoji("GUILD.ROLES.DELETE")
                ], components: []});
            }
        } else {
            return interaction.editReply({embeds: [new EmojiEmbed()
                .setTitle("Welcome Events")
                .setDescription("No changes were made")
                .setStatus("Success")
                .setEmoji("GUILD.ROLES.CREATE")
            ], components: []});
        }
    }
    let lastClicked = null;
    while (true) {
        const config = await client.database.guilds.read(interaction.guild.id);
        m = await interaction.editReply({embeds: [new EmojiEmbed()
            .setTitle("Welcome Events")
            .setDescription(
                `**Message:** ${config.welcome.message ? `\n> ${config.welcome.message}` : "*None set*"}\n` +
                `**Role:** ${config.welcome.role ? renderRole(await interaction.guild.roles.fetch(config.welcome.role)) : "*None set*"}\n` +
                `**Ping:** ${config.welcome.ping ? renderRole(await interaction.guild.roles.fetch(config.welcome.ping)) : "*None set*"}\n` +
                `**Channel:** ${config.welcome.channel ? (config.welcome.channel == "dm" ? "DM" : renderChannel(await interaction.guild.channels.fetch(config.welcome.channel))) : "*None set*"}`
            )
            .setStatus("Success")
            .setEmoji("CHANNEL.TEXT.CREATE")
        ], components: [
            new MessageActionRow().addComponents([
                new MessageButton()
                    .setLabel(lastClicked == "clear-message" ? "Click again to confirm" : "Clear Message")
                    .setEmoji(getEmojiByName("CONTROL.CROSS", "id"))
                    .setCustomId("clear-message")
                    .setDisabled(!config.welcome.message)
                    .setStyle("DANGER"),
                new MessageButton()
                    .setLabel(lastClicked == "clear-role" ? "Click again to confirm" : "Clear Role")
                    .setEmoji(getEmojiByName("CONTROL.CROSS", "id"))
                    .setCustomId("clear-role")
                    .setDisabled(!config.welcome.role)
                    .setStyle("DANGER"),
                new MessageButton()
                    .setLabel(lastClicked == "clear-ping" ? "Click again to confirm" : "Clear Ping")
                    .setEmoji(getEmojiByName("CONTROL.CROSS", "id"))
                    .setCustomId("clear-ping")
                    .setDisabled(!config.welcome.ping)
                    .setStyle("DANGER"),
                new MessageButton()
                    .setLabel(lastClicked == "clear-channel" ? "Click again to confirm" : "Clear Channel")
                    .setEmoji(getEmojiByName("CONTROL.CROSS", "id"))
                    .setCustomId("clear-channel")
                    .setDisabled(!config.welcome.channel)
                    .setStyle("DANGER"),
                new MessageButton()
                    .setLabel("Set Channel to DM")
                    .setCustomId("set-channel-dm")
                    .setDisabled(config.welcome.channel == "dm")
                    .setStyle("SECONDARY")
            ])
        ]}) as Message;
        let i: MessageComponentInteraction;
        try {
            i = await m.awaitMessageComponent({ time: 300000 });
        } catch (e) {
            break;
        }
        i.deferUpdate();
        if (i.customId == "clear-message") {
            if (lastClicked == "clear-message") {
                await client.database.guilds.write(interaction.guild.id, {"welcome.message": null});
                lastClicked = null;
            } else { lastClicked = "clear-message"; }
        } else if (i.customId == "clear-role") {
            if (lastClicked == "clear-role") {
                await client.database.guilds.write(interaction.guild.id, {"welcome.role": null});
                lastClicked = null;
            } else { lastClicked = "clear-role"; }
        } else if (i.customId == "clear-ping") {
            if (lastClicked == "clear-ping") {
                await client.database.guilds.write(interaction.guild.id, {"welcome.ping": null});
                lastClicked = null;
            } else { lastClicked = "clear-ping"; }
        } else if (i.customId == "clear-channel") {
            if (lastClicked == "clear-channel") {
                await client.database.guilds.write(interaction.guild.id, {"welcome.channel": null});
                lastClicked = null;
            } else { lastClicked = "clear-channel"; }
        } else if (i.customId == "set-channel-dm") {
            await client.database.guilds.write(interaction.guild.id, {"welcome.channel": "dm"});
            lastClicked = null;
        }
    }
    await interaction.editReply({embeds: [m.embeds[0].setFooter({text: "Message closed"})], components: []});
};

const check = (interaction: CommandInteraction) => {
    const member = (interaction.member as Discord.GuildMember);
    if (!member.permissions.has("MANAGE_GUILD")) throw "You must have the *Manage Server* permission to use this command";
    return true;
};

export { command };
export { callback };
export { check };