import {
  IsEnum,
  IsInt,
  IsOptional,
  IsString,
  Matches,
  Max,
  Min,
} from 'class-validator';
import { Type } from 'class-transformer';

import { AuditRequestStatus } from '../entities/audit-request.entity';

/**
 * Filters for the audit-requests list endpoint.
 * Marketing sees only their own (filter applied by service based on role).
 * Coordinator/admin see all.
 */
export class ListAuditRequestsQueryDto {
  @IsOptional()
  @IsEnum(AuditRequestStatus)
  status?: AuditRequestStatus;

  @IsOptional()
  @IsInt()
  @Type(() => Number)
  company_id?: number;

  @IsOptional()
  @IsInt()
  @Type(() => Number)
  requested_by_id?: number;

  @IsOptional()
  @IsString()
  @Matches(/^\d{4}-\d{2}-\d{2}$/, { message: 'date_from must be YYYY-MM-DD' })
  date_from?: string;

  @IsOptional()
  @IsString()
  @Matches(/^\d{4}-\d{2}-\d{2}$/, { message: 'date_to must be YYYY-MM-DD' })
  date_to?: string;

  @IsOptional()
  @IsString()
  search?: string;

  @IsOptional()
  @IsInt()
  @Min(1)
  @Type(() => Number)
  page?: number;

  @IsOptional()
  @IsInt()
  @Min(1)
  @Max(100)
  @Type(() => Number)
  limit?: number;
}