import { IsObject, IsOptional, IsUUID } from "class-validator";

/**
 * POST /v1/documents/generations body (eden.md §1.3, simplified for this
 * leva). Exactly one of clientRegistrationId/resellerId is required —
 * enforced in DocumentsService (mirrors the DB CHECK
 * chk_document_generations_one_source), not here, since class-validator
 * doesn't cleanly express an XOR across two optional fields.
 */
export class CreateGenerationDto {
  @IsUUID() templateId!: string;

  @IsOptional() @IsUUID() clientRegistrationId?: string;

  @IsOptional() @IsUUID() resellerId?: string;

  /** {chave: valor} usado pelo merge engine (merge-engine.ts) para resolver `{{variavel}}`. */
  @IsObject() context!: Record<string, string>;
}