import { Controller, Post, Body, Logger } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
import { RewardApplicationService } from '../../application/services/reward-application.service';

/**
 * 批量查询月度收益请求 DTO
 */
class BatchMonthlyEarningsRequest {
  accountSequences: string[];
  month: string; // 格式: YYYY-MM
  rightTypes?: string[]; // 可选，过滤权益类型
}

/**
 * 月度收益响应项
 */
interface MonthlyEarningsItem {
  accountSequence: string;
  monthlySettleableUsdt: number;
  monthlyShareUsdt: number; // 分享权益收益
  monthlyProvinceTeamUsdt: number; // 省团队权益收益
  monthlyCityTeamUsdt: number; // 市团队权益收益
  monthlyTotalUsdt: number; // 月度总收益
}

/**
 * 内部 API 控制器
 * 用于服务间通信，不需要 JWT 认证
 */
@ApiTags('Internal')
@Controller('internal')
export class InternalController {
  private readonly logger = new Logger(InternalController.name);

  constructor(private readonly rewardService: RewardApplicationService) {}

  @Post('monthly-earnings/batch')
  @ApiOperation({ summary: '批量查询月度可结算收益（内部接口）' })
  @ApiResponse({ status: 200, description: '成功' })
  async batchGetMonthlyEarnings(
    @Body() request: BatchMonthlyEarningsRequest,
  ): Promise<MonthlyEarningsItem[]> {
    const { accountSequences, month, rightTypes } = request;

    if (!accountSequences || accountSequences.length === 0) {
      return [];
    }

    this.logger.debug(
      `[batchGetMonthlyEarnings] 查询 ${accountSequences.length} 个账户的月度收益, month=${month}`,
    );

    const result = await this.rewardService.batchGetMonthlyEarnings(
      accountSequences,
      month,
      rightTypes,
    );

    this.logger.debug(
      `[batchGetMonthlyEarnings] 返回 ${result.length} 条记录`,
    );

    return result;
  }
}