import { IsInt, Min, Max, IsOptional } from 'class-validator';
import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';

export class GetLeaderboardDto {
  @ApiPropertyOptional({ description: '每页数量', default: 100 })
  @IsOptional()
  @IsInt()
  @Min(1)
  @Max(100)
  limit?: number = 100;

  @ApiPropertyOptional({ description: '偏移量', default: 0 })
  @IsOptional()
  @IsInt()
  @Min(0)
  offset?: number = 0;
}

export class LeaderboardEntryResponseDto {
  @ApiProperty({ description: '排名' })
  rank: number;

  @ApiProperty({ description: '用户ID' })
  userId: string;

  @ApiProperty({ description: '龙虎榜分值' })
  score: number;

  @ApiProperty({ description: '团队总认种量' })
  totalTeamCount: number;

  @ApiProperty({ description: '直推人数' })
  directReferralCount: number;
}

export class LeaderboardResponseDto {
  @ApiProperty({ type: [LeaderboardEntryResponseDto] })
  entries: LeaderboardEntryResponseDto[];

  @ApiProperty({ description: '总数' })
  total: number;

  @ApiProperty({ description: '是否有更多' })
  hasMore: boolean;
}

export class UserRankResponseDto {
  @ApiProperty({ description: '用户ID' })
  userId: string;

  @ApiProperty({ description: '排名', nullable: true })
  rank: number | null;

  @ApiProperty({ description: '龙虎榜分值' })
  score: number;
}