// External Imports
import { Command, CommandBuilder, CommandClient, CommandInteraction, Constants, Member, SlashCommand } from 'athena-prime';

// Internal Imports
import { Database } from '../../shared/Database';
import { E621User } from '../../types';
import { CreateDefaultEmbed, getE621User, SetSeverity } from '../../utils';

// ---------------

async function fetchUser(member: Member, id: number | null): Promise<E621User | null> {
  const syncedIds = await Database.getE621Ids(member.id);

  if (!id || !syncedIds.includes(id))
    return await getE621User(syncedIds[0]);
  else
    return await getE621User(id);
}

@SlashCommand(
  new CommandBuilder('name-sync', 'Sync your Discord username with your e621 username.')
    .setIntegrationTypes(Constants.ApplicationIntegrationType.GuildInstall)
    .setContexts(Constants.InteractionContextType.Guild)
    .setCommandType(Constants.ApplicationCommandType.ChatInput)
    .addNumberOption({ name: 'id', description: 'The ID of the user to sync your name to.', required: false, max_value: 16 })
)
class NameSyncCommand extends Command<CommandClient> {
  cooldown = 360; // 5m.

  async handleCommand(context: CommandClient<any, any>, interaction: CommandInteraction, data: any) {
    if (!interaction.inGuild()) return;
    await interaction.defer();

    const id = interaction.getNumber('id');
    const user = await fetchUser(interaction.member, id);

    if (!user) {
      await interaction.createMessage({
        embeds: [{
          ...CreateDefaultEmbed(context),
          ...SetSeverity('error'),

          description: 'I was unable to get a user entry for your account or provided id. Please try again, or contact an administrator.'
        }]
      });

      return;
    }

    await interaction.member.edit({ nick: user.name }, 'Member requested a name-sync.');

    await interaction.createMessage({
      embeds: [{
        ...CreateDefaultEmbed(context),
        ...SetSeverity('success'),

        description: `Successfully updated your display name. Hello \`${user.name}\`!`
      }]
    });
  }
}

export default new NameSyncCommand('name-sync');