import {
  ModalBuilder,
  TextInputBuilder,
  TextInputStyle,
  ActionRowBuilder,
  PermissionFlagsBits
} from 'discord.js';
import { readFile } from 'fs/promises';

export default {
  async handleInteraction(interaction) {
    if (interaction.isButton()) {
      if (interaction.customId === 'rename') {
        const modal = new ModalBuilder()
          .setCustomId('modal_changename')
          .setTitle('Change VC Name')
          .addComponents(
            new ActionRowBuilder().addComponents(
              new TextInputBuilder()
                .setCustomId('_value')
                .setLabel('New VC Name')
                .setStyle(TextInputStyle.Short)
                .setPlaceholder('Enter new name')
                .setRequired(true)
            )
          );
        return await interaction.showModal(modal);
      }

      if (interaction.customId === 'group') {
        const modal = new ModalBuilder()
          .setCustomId('modal_limit')
          .setTitle('Set VC User Limit')
          .addComponents(
            new ActionRowBuilder().addComponents(
              new TextInputBuilder()
                .setCustomId('_value')
                .setLabel('Max Users (0 = unlimited)')
                .setStyle(TextInputStyle.Short)
                .setPlaceholder('0 - 99')
                .setRequired(true)
            )
          );
        return await interaction.showModal(modal);
      }

      let tempVCUsers;
      try {
        const jsonString = await readFile('./database/tempvcusers.json', 'utf8');
        tempVCUsers = JSON.parse(jsonString);
      } catch {
        return interaction.reply({
          content: "❌ Could not load temporary VC user data.",
          ephemeral: true
        });
      }

      const userId = interaction.user.id;
      const tempData = tempVCUsers[userId];
      if (!tempData || !tempData.channelId) {
        return interaction.reply({
          content: "❌ You don't own a temporary voice channel.",
          ephemeral: true
        });
      }

      const VC = interaction.guild.channels.cache.get(tempData.channelId);
      if (!VC) {
        return interaction.reply({
          content: "❌ VC not found or already deleted.",
          ephemeral: true
        });
      }

      if (interaction.customId === 'lock') {
        try {
          await VC.permissionOverwrites.edit(interaction.guild.roles.everyone, {
            [PermissionFlagsBits.Connect]: false,
          });
          return interaction.reply({
            content: "🔒 Your VC has been locked.",
            ephemeral: true
          });
        } catch (err) {
          return interaction.reply({
            content: `❌ Failed to lock: ${err}`,
            ephemeral: true
          });
        }
      }

      if (interaction.customId === 'unlock') {
        try {
          await VC.permissionOverwrites.edit(interaction.guild.roles.everyone, {
            [PermissionFlagsBits.Connect]: true,
          });
          return interaction.reply({
            content: "🔓 Your VC has been unlocked.",
            ephemeral: true
          });
        } catch (err) {
          return interaction.reply({
            content: `❌ Failed to unlock: ${err}`,
            ephemeral: true
          });
        }
      }
    }

    if (interaction.isModalSubmit()) {
      let tempVCUsers;
      try {
        const jsonString = await readFile('./database/tempvcusers.json', 'utf8');
        tempVCUsers = JSON.parse(jsonString);
      } catch {
        return interaction.reply({
          content: "❌ Could not load temporary VC user data.",
          ephemeral: true
        });
      }

      const userId = interaction.user.id;
      const tempData = tempVCUsers[userId];
      if (!tempData || !tempData.channelId) {
        return interaction.reply({
          content: "❌ You don't own a temporary voice channel.",
          ephemeral: true
        });
      }

      const VC = interaction.guild.channels.cache.get(tempData.channelId);
      if (!VC) {
        return interaction.reply({
          content: "❌ VC not found or already deleted.",
          ephemeral: true
        });
      }

      if (interaction.customId === 'modal_limit') {
        let inputnum = interaction.fields.getTextInputValue('_value');
        const numValue = Number(inputnum);
        if (isNaN(numValue) || numValue > 99 || numValue < 0) {
          return interaction.reply({
            content: "Please enter a value between 0 and 99.",
            ephemeral: true
          }).catch(() => {
            if (VC) VC.send("Unknown Error. Please try again.");
          });
        }
        try {
          await VC.setUserLimit(numValue);
          return interaction.reply({
            content: `OK. The UserLimit is set to ${numValue}.`,
            ephemeral: true
          });
        } catch (err) {
          return interaction.reply({
            content: `Something is wrong. Please try again.\nError: \`\`\`${err}\`\`\``,
            ephemeral: true
          }).catch(() => {
            if (VC) VC.send(`Something is wrong. Please try again.\nError: \`\`\`${err}\`\`\``);
          });
        }
      }

      if (interaction.customId === 'modal_changename') {
        await interaction.deferReply({ ephemeral: true });
        let inputstr = interaction.fields.getTextInputValue('_value');
        try {
          await VC.setName(inputstr);
          return interaction.editReply({
            content: `OK. VC name is set to ${inputstr}.`,
            ephemeral: true
          });
        } catch (err) {
          return interaction.editReply({
            content: `Something is wrong. Please try again.\nError: \`\`\`${err}\`\`\``,
            ephemeral: true
          }).catch(() => {
            if (VC) VC.send(`Something is wrong. Please try again.\nError: \`\`\`${err}\`\`\``);
          });
        }
      }
    }
  }
};