import { ApiPropertyOptional } from '@nestjs/swagger';
import { IsISO8601, IsOptional } from 'class-validator';

export class TodaySummaryQueryDto {
  @ApiPropertyOptional({
    description: 'Start of the local day range (ISO 8601). Defaults to UTC midnight today.',
    example: '2026-07-10T00:00:00.000Z',
  })
  @IsOptional()
  @IsISO8601()
  from?: string;

  @ApiPropertyOptional({
    description: 'End of the local day range (ISO 8601, exclusive). Defaults to next UTC midnight.',
    example: '2026-07-11T00:00:00.000Z',
  })
  @IsOptional()
  @IsISO8601()
  to?: string;
}