import { BNestBaseModuleService } from "@bish-nest/core/data/module-service/base-module.service";
import { BNestPrismaService } from "@bish-nest/core/services";
import { Injectable, UnprocessableEntityException } from "@nestjs/common";

/**
 * ParticipantGroupService
 *
 * Admin API — Participant Group (Participant Group). Business Logic Service for RecallAssess.
 */


@Injectable()
export class ParticipantGroupService extends BNestBaseModuleService {
  /**
   * Override add method to validate required fields and remove foreign key fields before passing to Prisma
   * Prisma only accepts relation objects (company, createdBy), not raw foreign keys (company_id, participant_id_created_by)
   */
  async add(data: any): Promise<any> {
    // Validate required fields for creation
    if (!data.company_id) {
      throw new UnprocessableEntityException({
        message: [
          {
            colName: "company_id",
            errorMessage: "Company is required. Please select a company.",
          },
        ],
        code: "FORM_VALIDATION_ERROR",
      });
    }

    if (!data.participant_id_created_by) {
      throw new UnprocessableEntityException({
        message: [
          {
            colName: "participant_id_created_by",
            errorMessage: "Created by participant is required. Please select a participant.",
          },
        ],
        code: "FORM_VALIDATION_ERROR",
      });
    }

    // Create a copy of data without the foreign key fields
    // The transformed relation fields (company, createdBy) are already present
    const { company_id, participant_id_created_by, ...prismaData } = data;

    // Call parent add method with cleaned data
    return super.add(prismaData);
  }

  /**
   * Override save method to handle optional foreign key fields for updates
   * Prisma only accepts relation objects (company, createdBy), not raw foreign keys
   */
  async save(id: number, data: any): Promise<any> {
    const { company_id, participant_id_created_by, ...prismaData } = data;
    return super.save(id, prismaData);
  }
}