import { Injectable, Logger } from '@nestjs/common';
import { Cron } from '@nestjs/schedule';
import { SettlementService } from '../modules/settlement/settlement.service';

/**
 * 财务对账单定时任务（Asia/Shanghai）
 * - 每日 08:00：酒厂日账单 + 门店日账单（统计昨日 00:00～今日 00:00）
 * - 每月 1 日 08:00：合伙人上一自然月账单
 */
@Injectable()
export class SettlementScheduler {
  private readonly logger = new Logger(SettlementScheduler.name);

  constructor(private readonly settlementService: SettlementService) {}

  @Cron('0 8 * * *', { timeZone: 'Asia/Shanghai' })
  async handleDailyBills() {
    this.logger.log('Daily settlement bills job start');
    try {
      const winery = await this.settlementService.generateWineryBillForDay();
      this.logger.log(`Winery bill: ${JSON.stringify(winery)}`);
    } catch (e) {
      this.logger.error('Winery bill job failed', e instanceof Error ? e.stack : e);
    }
    try {
      const store = await this.settlementService.generateStoreBillsForDay();
      this.logger.log(`Store bills: ${JSON.stringify(store)}`);
    } catch (e) {
      this.logger.error('Store bill job failed', e instanceof Error ? e.stack : e);
    }
  }

  @Cron('0 8 1 * *', { timeZone: 'Asia/Shanghai' })
  async handleMonthlyPartnerBills() {
    this.logger.log('Monthly partner bills job start');
    try {
      const result = await this.settlementService.generatePreviousMonthPartnerBills();
      this.logger.log(
        `Partner bills: total=${result.total} success=${result.success} failed=${result.failed}`,
      );
    } catch (e) {
      this.logger.error('Partner bill job failed', e instanceof Error ? e.stack : e);
    }
  }
}