import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { Channel } from '../entities/channel.entity';

@Injectable()
export class ChannelsService {
  constructor(
    @InjectRepository(Channel)
    private readonly channelRepo: Repository<Channel>,
  ) {}

  listByGuild(guildId: string) {
    return this.channelRepo.find({
      where: { guildId },
      order: { createdAt: 'ASC' },
      take: 200,
    });
  }

  listAll() {
    return this.channelRepo.find({
      order: { createdAt: 'ASC' },
      take: 200,
    });
  }

  create(input: Partial<Channel>) {
    const channel = this.channelRepo.create({
      guildId: String(input.guildId ?? ''),
      name: String(input.name ?? ''),
      kind: input.kind === 'announcement' ? 'announcement' : 'text',
      isPrivate: Boolean(input.isPrivate),
      lastSeq: 0,
    });
    return this.channelRepo.save(channel);
  }
}