import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { Type } from 'class-transformer';
import { IsInt } from 'class-validator';

export class BaseRangeQueryDto {
  @ApiProperty({
    description: 'UTC epoch seconds (inclusive)',
    example: 1767168000,
  })
  @Type(() => Number)
  @IsInt()
  fromSec!: number;

  @ApiProperty({
    description: 'UTC epoch seconds (exclusive)',
    example: 1767175200,
  })
  @Type(() => Number)
  @IsInt()
  toSec!: number;

  @ApiPropertyOptional({
    description: 'Page number (1-based). Default = 1',
    example: 1,
    default: 1,
  })
  page?: number;

  @ApiPropertyOptional({
    description: 'Page size. Default = 10',
    example: 10,
    default: 10,
  })
  size?: number;
}

export class AdsStatsQueryDto extends BaseRangeQueryDto {
  @ApiPropertyOptional({
    description: 'Ads ID (supported)',
    example: '694b8d79d8db191891d56ab6',
  })
  adsId?: string;

  @ApiPropertyOptional({
    description: 'Channel ID (ignored if not present in aggregates)',
    example: 'channel_001',
  })
  channelId?: string;

  @ApiPropertyOptional({
    description: 'Ad type (ignored if not present in aggregates)',
    example: 'BANNER',
  })
  adType?: string;
}

export class ChannelStatsQueryDto extends BaseRangeQueryDto {
  @ApiPropertyOptional({
    description: 'Channel ID',
    example: 'channel_001',
  })
  channelId?: string;
}