import { Body, Controller, Get, Param, Post, Query } from '@nestjs/common';
import { GenerationService } from '../generation/generation.service';
import { GenerationQueue } from '../generation/generation.queue';
import { MerchantsService, UpsertMerchantDto } from './merchants.service';

@Controller('v1/merchants')
export class MerchantsController {
  constructor(
    private readonly merchants: MerchantsService,
    private readonly generation: GenerationService,
    private readonly queue: GenerationQueue,
  ) {}

  @Get()
  list() {
    return this.merchants.list();
  }

  @Get(':id')
  get(@Param('id') id: string) {
    return this.merchants.findWithTaxonomy(id);
  }

  /** o2o-site-AEO 사이트 발행 웹훅: 업체 등록 + 키워드 생성 예약 */
  @Post('publish')
  async publish(@Body() dto: UpsertMerchantDto & { generate?: boolean; sync?: boolean }) {
    const merchant = await this.merchants.upsert(dto);
    if (dto.generate === false) return { merchant, generation: 'skipped' };

    if (dto.sync) {
      const stats = await this.generation.runForMerchant(merchant.id, 'published');
      return { merchant, generation: stats };
    }
    const jobId = await this.queue.enqueue(merchant.id, 'published');
    return { merchant, generation: { queued: true, jobId } };
  }

  /** 수동 재생성 */
  @Post(':id/generate')
  async generate(
    @Param('id') id: string,
    @Query('sync') sync?: string,
    @Query('count') count?: string,
  ) {
    const target = count ? Math.min(Math.max(1, Number(count)), 500) : undefined;
    if (sync === 'true' || sync === '1') {
      return this.generation.runForMerchant(id, 'manual', target);
    }
    const m = await this.merchants.findWithTaxonomy(id);
    const jobId = await this.queue.enqueue(m.id, 'manual');
    return { queued: true, jobId };
  }
}