import {
  IsNumber,
  IsOptional,
  IsPositive,
  IsString,
  Max,
  Min,
} from 'class-validator';

export class PaginationOptions {
  @IsOptional()
  @IsNumber()
  @Min(1)
  page = 1;

  @IsOptional()
  @IsNumber()
  @IsPositive()
  @Min(1)
  @Max(100)
  limit = 20;

  @IsOptional()
  @IsString()
  query: string;

  get offset(): number {
    return (this.page - 1) * this.limit;
  }
}

export enum PaginationSort {
  ASC = 'asc',
  DESC = 'desc',
}