import { ChannelType, ChatInputCommandInteraction, PermissionFlagsBits, SlashCommandBuilder } from 'discord.js';
import { SlashCommand } from '../../utils/types';
import { context } from '../../config/context';
import { settingsStore } from '../../config/state';

const command: SlashCommand = {
  guildOnly: true,
  data: new SlashCommandBuilder()
    .setName('gallery')
    .setDescription('Screenshot-/Kunst-Galerie.')
    .addSubcommand((sub) =>
      sub
        .setName('submit')
        .setDescription('Reicht ein Bild für die Galerie ein.')
        .addAttachmentOption((opt) => opt.setName('image').setDescription('Bild').setRequired(true))
        .addStringOption((opt) => opt.setName('caption').setDescription('Beschreibung'))
    )
    .addSubcommand((sub) =>
      sub
        .setName('config')
        .setDescription('Konfiguriert Galerie-Kanal und Künstler-Rolle.')
        .addChannelOption((opt) => opt.setName('channel').setDescription('Galerie-Kanal').addChannelTypes(ChannelType.GuildText))
        .addRoleOption((opt) => opt.setName('artist_role').setDescription('Rolle für Künstler'))
    ),
  async execute(interaction: ChatInputCommandInteraction) {
    if (!interaction.guildId) return;
    const sub = interaction.options.getSubcommand();

    if (sub === 'submit') {
      const attachment = interaction.options.getAttachment('image', true);
      const caption = interaction.options.getString('caption') ?? undefined;
      await context.gallery.submit(interaction, attachment, caption);
      return;
    }

    if (sub === 'config') {
      if (!interaction.memberPermissions?.has(PermissionFlagsBits.ManageGuild)) {
        await interaction.reply({ content: 'Du benötigst die Berechtigung "Server verwalten".', ephemeral: true });
        return;
      }
      const channel = interaction.options.getChannel('channel');
      const role = interaction.options.getRole('artist_role');
      const current = settingsStore.get(interaction.guildId)?.galleryConfig || {};
      await settingsStore.set(interaction.guildId, {
        galleryConfig: {
          channelId: channel?.id ?? current.channelId,
          artistRoleId: role?.id ?? current.artistRoleId,
          lastWinnerAt: current.lastWinnerAt
        }
      });
      await interaction.reply({ content: 'Galerie-Konfiguration aktualisiert.', ephemeral: true });
    }
  }
};

export default command;