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const { Guild, User } = require(`${process.cwd()}/src/database/blacklistSchema.js`);
const pEmbed = require(`${process.cwd()}/src/functions/paginationEmbed.js`);
const { EmbedBuilder, ApplicationCommandType, ApplicationCommandOptionType } = require('discord.js');

const ROYAL_BLUE = '#4169E1';

module.exports = {
    name: "blacklist",
    description: "Manage the blacklist for users and guilds.",
    category: "moderation",
    userPerms: ["MANAGE_GUILD"],
    botPerms: ["MANAGE_GUILD"],
    cooldown: 5,
    guildOnly: false,
    ownerOnly: false,
    toggleOff: false,
    nsfwOnly: false,
    maintenance: false,
    type: ApplicationCommandType.ChatInput,

    options: [
        {
            name: "user",
            description: "Manage blacklisted users.",
            type: ApplicationCommandOptionType.SubcommandGroup,
            options: [
                {
                    name: "add",
                    description: "Add a user to the blacklist.",
                    type: ApplicationCommandOptionType.Subcommand,
                    options: [
                        {
                            name: "user_id",
                            description: "The user ID to blacklist.",
                            type: ApplicationCommandOptionType.String,
                            required: true,
                        },
                        {
                            name: "reason",
                            description: "The reason for blacklisting.",
                            type: ApplicationCommandOptionType.String,
                            required: false,
                        },
                    ],
                },
                {
                    name: "remove",
                    description: "Remove a user from the blacklist.",
                    type: ApplicationCommandOptionType.Subcommand,
                    options: [
                        {
                            name: "user_id",
                            description: "The user ID to unblacklist.",
                            type: ApplicationCommandOptionType.String,
                            required: true,
                        },
                    ],
                },
                {
                    name: "view",
                    description: "View all blacklisted users.",
                    type: ApplicationCommandOptionType.Subcommand,
                },
            ],
        },
        {
            name: "guild",
            description: "Manage blacklisted guilds.",
            type: ApplicationCommandOptionType.SubcommandGroup,
            options: [
                {
                    name: "add",
                    description: "Add a guild to the blacklist.",
                    type: ApplicationCommandOptionType.Subcommand,
                    options: [
                        {
                            name: "guild_id",
                            description: "The guild ID to blacklist.",
                            type: ApplicationCommandOptionType.String,
                            required: true,
                        },
                        {
                            name: "reason",
                            description: "The reason for blacklisting.",
                            type: ApplicationCommandOptionType.String,
                            required: false,
                        },
                    ],
                },
                {
                    name: "remove",
                    description: "Remove a guild from the blacklist.",
                    type: ApplicationCommandOptionType.Subcommand,
                    options: [
                        {
                            name: "guild_id",
                            description: "The guild ID to unblacklist.",
                            type: ApplicationCommandOptionType.String,
                            required: true,
                        },
                    ],
                },
                {
                    name: "view",
                    description: "View all blacklisted guilds.",
                    type: ApplicationCommandOptionType.Subcommand,
                },
            ],
        },
    ],

    run: async (client, interaction) => {
        const subcommandGroup = interaction.options.getSubcommandGroup();
        const subcommand = interaction.options.getSubcommand();

        try {
            if (subcommandGroup === "user") {
                if (subcommand === "add") {
                    const userId = interaction.options.getString("user_id");
                    const reason = interaction.options.getString("reason") || "No reason provided.";

                    if (!/^\d+$/.test(userId)) {
                        return await interaction.reply({ content: "Please provide a valid user ID.", ephemeral: true });
                    }

                    const existingUser = await User.findOne({ userId });
                    if (existingUser) {
                        return await interaction.reply({ content: `User <@${userId}> is already blacklisted.`, ephemeral: true });
                    }

                    await new User({ userId, reason }).save();
                    return await interaction.reply({ content: `User <@${userId}> has been blacklisted. Reason: ${reason}`, ephemeral: true });
                }

                if (subcommand === "remove") {
                    const userId = interaction.options.getString("user_id");

                    if (!/^\d+$/.test(userId)) {
                        return await interaction.reply({ content: "Please provide a valid user ID.", ephemeral: true });
                    }

                    const existingUser = await User.findOneAndDelete({ userId });
                    if (!existingUser) {
                        return await interaction.reply({ content: `User <@${userId}> is not blacklisted.`, ephemeral: true });
                    }

                    return await interaction.reply({ content: `User <@${userId}> has been removed from the blacklist.`, ephemeral: true });
                }

                if (subcommand === "view") {
                    const blacklistedUsers = await User.find({});
                    if (blacklistedUsers.length === 0) {
                        return await interaction.reply({ content: "There are no blacklisted users.", ephemeral: true });
                    }

                    const embeds = blacklistedUsers.map(user =>
                        new EmbedBuilder()
                            .setColor(ROYAL_BLUE)
                            .setAuthor({ name: `Blacklisted User: <@${user.userId}>`, iconURL: client.user.displayAvatarURL() })
                            .addFields(
                                { name: 'User ID', value: user.userId, inline: true },
                                { name: 'Reason', value: user.reason || 'No reason provided', inline: true },
                                { name: 'Added On', value: new Date(user._id.getTimestamp()).toLocaleDateString(), inline: true }
                            )
                            .setTimestamp()
                            .setFooter({ text: client.embed.footertext, iconURL: client.embed.footericon })
                    );

                    pEmbed(client, interaction, embeds, "60s", false);
                }
            }

            if (subcommandGroup === "guild") {
                if (subcommand === "add") {
                    const guildId = interaction.options.getString("guild_id");
                    const reason = interaction.options.getString("reason") || "No reason provided.";

                    if (!/^\d+$/.test(guildId)) {
                        return await interaction.reply({ content: "Please provide a valid guild ID.", ephemeral: true });
                    }

                    const existingGuild = await Guild.findOne({ guildId });
                    if (existingGuild) {
                        return await interaction.reply({ content: `Guild with ID \`${guildId}\` is already blacklisted.`, ephemeral: true });
                    }

                    await new Guild({ guildId, reason }).save();
                    return await interaction.reply({ content: `Guild with ID \`${guildId}\` has been blacklisted. Reason: ${reason}`, ephemeral: true });
                }

                if (subcommand === "remove") {
                    const guildId = interaction.options.getString("guild_id");

                    if (!/^\d+$/.test(guildId)) {
                        return await interaction.reply({ content: "Please provide a valid guild ID.", ephemeral: true });
                    }

                    const existingGuild = await Guild.findOneAndDelete({ guildId });
                    if (!existingGuild) {
                        return await interaction.reply({ content: `Guild with ID \`${guildId}\` is not blacklisted.`, ephemeral: true });
                    }

                    return await interaction.reply({ content: `Guild with ID \`${guildId}\` has been removed from the blacklist.`, ephemeral: true });
                }

                if (subcommand === "view") {
                    const blacklistedGuilds = await Guild.find({});
                    if (blacklistedGuilds.length === 0) {
                        return await interaction.reply({ content: "There are no blacklisted guilds.", ephemeral: true });
                    }

                    const embeds = blacklistedGuilds.map(guild =>
                        new EmbedBuilder()
                            .setColor(ROYAL_BLUE)
                            .setAuthor({ name: `Blacklisted Guild: ${guild.guildId}`, iconURL: client.user.displayAvatarURL() })
                            .addFields(
                                { name: 'Guild ID', value: guild.guildId, inline: true },
                                { name: 'Reason', value: guild.reason || 'No reason provided', inline: true },
                                { name: 'Added On', value: new Date(guild._id.getTimestamp()).toLocaleDateString(), inline: true }
                            )
                            .setTimestamp()
                            .setFooter({ text: client.embed.footertext, iconURL: client.embed.footericon })
                    );

                    pEmbed(client, interaction, embeds, "60s", false);
                }
            }
        } catch (error) {
            console.error("Error in blacklist command:", error);
            await interaction.reply({ content: "An error occurred while managing the blacklist. Please try again later.", ephemeral: true });
        }
    }
};