import { Inject, Injectable } from '@nestjs/common';
import {
  Pothos,
  PothosRef,
  PothosSchema,
  SchemaBuilderToken,
} from '@smatch-corp/nestjs-pothos';
import { Builder } from '../Graphql/graphql.builder';
import { PrismaService } from '../Prisma/prisma.service';

@Injectable()
export class ServiceAndCategorySchema extends PothosSchema {
  constructor(
    @Inject(SchemaBuilderToken) private readonly builder: Builder,
    private readonly prisma: PrismaService,
  ) {
    super();
  }

  @PothosRef()
  serviceAndCategory() {
    return this.builder.prismaObject('ServiceAndCategory', {
      description: 'A service and category in the system.',
      fields: (t) => ({
        serviceId: t.exposeID('serviceId', {
          description: 'The ID of the service.',
        }),
        service: t.relation('service', {
          description: 'The service for the service and category.',
        }),
        subCategory: t.relation('subCategory', {
          description: 'The sub category for the service and category.',
        }),
        subCategoryId: t.exposeID('subCategoryId', {
          description: 'The ID of the sub category.',
        }),
      }),
    });
  }

  @Pothos()
  init(): void {
    this.builder.queryFields((t) => ({
      serviceAndCategories: t.prismaField({
        type: [this.serviceAndCategory()],
        args: this.builder.generator.findManyArgs('ServiceAndCategory'),
        description:
          'Retrieve a list of service and categories with optional filtering, ordering, and pagination.',
        resolve: async (query, root, args, ctx, info) => {
          return await this.prisma.serviceAndCategory.findMany({
            ...query,
            skip: args.skip ?? undefined,
            take: args.take ?? undefined,
            orderBy: args.orderBy ?? undefined,
            where: args.filter ?? undefined,
          });
        },
      }),
    }));
  }
}