const { SlashCommandBuilder, ActionRowBuilder, ButtonBuilder, ButtonStyle, PermissionsBitField } = require('discord.js');
const { readDb, writeDb } = require('../../backend/db.js');

module.exports = {
  name: 'manage-commands',
  description: 'Admin: List bot commands and toggle them Enabled/Disabled for this server.',
  enabled: true,
  builder: new SlashCommandBuilder()
    .setName('manage-commands')
    .setDescription('Admin: List bot commands and toggle them Enabled/Disabled for this server.'),
  async execute(interaction) {
    // Only allow administrators
    if (!interaction.member.permissions.has(PermissionsBitField.Flags.Administrator)) {
    await interaction.reply({ content: 'You must be a server administrator to use this command.', flags: 64 });
      return;
    }

    const db = readDb();
    if (!db[interaction.guildId]) db[interaction.guildId] = {};
    if (!db[interaction.guildId].commandToggles) db[interaction.guildId].commandToggles = {};

    const toggles = db[interaction.guildId].commandToggles;
  // Include all loaded commands so simple command modules (no SlashCommandBuilder) like
  // `ping` are also listed. Filter for objects with a name for safety.
  const commands = Array.from(interaction.client.commands.values()).filter(cmd => cmd && cmd.name);

    // Build button components (max 5 rows, 5 buttons per row)
    const actionRows = [];
    let currentRow = new ActionRowBuilder();
    let buttonsInRow = 0;

  const protectedCommands = ['manage-commands', 'help'];

    const buildButton = (cmd) => {
      if (protectedCommands.includes(cmd.name)) return null;
      const isEnabled = toggles[cmd.name] !== false && cmd.enabled !== false;
      return new ButtonBuilder()
        .setCustomId(`toggle_cmd_${cmd.name}`)
        .setLabel(`${cmd.name} : ${isEnabled ? 'ENABLED' : 'DISABLED'}`)
        .setStyle(isEnabled ? ButtonStyle.Success : ButtonStyle.Secondary);
    };

    for (const cmd of commands) {
      const btn = buildButton(cmd);
      if (btn) {
        currentRow.addComponents(btn);
        buttonsInRow++;

        if (buttonsInRow === 5) {
          actionRows.push(currentRow);
          currentRow = new ActionRowBuilder();
          buttonsInRow = 0;
        }
      }
    }
    if (buttonsInRow > 0) actionRows.push(currentRow);

    const description = commands.map(cmd => `• ${cmd.name} — ${cmd.description || 'No description.'}${protectedCommands.includes(cmd.name) ? ' (locked)' : ''}`).join('\n');

  await interaction.reply({ content: `Manage Commands for this server:\n\n${description}`, components: actionRows, flags: 64 });

    const message = await interaction.fetchReply();

    // Collector to handle button presses for 5 minutes
    const filter = i => i.user.id === interaction.user.id && i.customId.startsWith('toggle_cmd_');
    const collector = message.createMessageComponentCollector({ filter, time: 5 * 60 * 1000 });

    collector.on('collect', async i => {
      const cmdName = i.customId.replace('toggle_cmd_', '');
      toggles[cmdName] = !(toggles[cmdName] !== false);
      writeDb(db);

      // rebuild buttons to reflect new state
      const updatedRows = [];
      let r = new ActionRowBuilder();
      let count = 0;
      for (const cmd of commands) {
        if (protectedCommands.includes(cmd.name)) continue;
        const btn = new ButtonBuilder()
          .setCustomId(`toggle_cmd_${cmd.name}`)
          .setLabel(`${cmd.name} : ${(toggles[cmd.name] !== false && cmd.enabled !== false) ? 'ENABLED' : 'DISABLED'}`)
          .setStyle((toggles[cmd.name] !== false && cmd.enabled !== false) ? ButtonStyle.Success : ButtonStyle.Secondary);
        r.addComponents(btn);
        count++;
        if (count === 5) { updatedRows.push(r); r = new ActionRowBuilder(); count = 0; }
      }
      if (count > 0) updatedRows.push(r);

      await i.update({ content: `Manage Commands for this server:\n\n${description}`, components: updatedRows });
    });

    collector.on('end', async () => {
      // disable buttons after collector ends
      const disabledRows = [];
      let rr = new ActionRowBuilder();
      let ccount = 0;
      for (const cmd of commands) {
        if (protectedCommands.includes(cmd.name)) continue;
        const btn = new ButtonBuilder()
          .setCustomId(`toggle_cmd_${cmd.name}`)
          .setLabel(`${cmd.name} : ${(toggles[cmd.name] !== false && cmd.enabled !== false) ? 'ENABLED' : 'DISABLED'}`)
          .setStyle((toggles[cmd.name] !== false && cmd.enabled !== false) ? ButtonStyle.Success : ButtonStyle.Secondary)
          .setDisabled(true);
        rr.addComponents(btn);
        ccount++;
        if (ccount === 5) { disabledRows.push(rr); rr = new ActionRowBuilder(); ccount = 0; }
      }
      if (ccount > 0) disabledRows.push(rr);
      try { await message.edit({ components: disabledRows }); } catch (e) { /* ignore */ }
    });
  },
};