import {
  Args,
  Int,
  Parent,
  Query,
  ResolveField,
  Resolver,
} from '@nestjs/graphql';
import { TicketObjectType } from '../app-ticket-system/ticket.object-type';
import {
  AccountingFilterArgs
} from './accounting-arg.types';
import { AccountingState } from './accounting-state';
import { AccountingValidationService } from './accounting-validation.service';
import {
  PaginatedTourObjectType,
  TourCostBreakdownObjectType,
  TourStateMetaObjectType,
} from './accounting.object-type';
import { TourObjectType } from './tour.object-type';

@Resolver(() => TourObjectType)
export class AccountingValidationResolver {
  constructor(private readonly service: AccountingValidationService) {}

  @Query(() => PaginatedTourObjectType)
  accountingTours(
    @Args('state', { type: () => AccountingState }) state: AccountingState,
    @Args('filters', { type: () => AccountingFilterArgs, nullable: true })
    filters: AccountingFilterArgs,
    @Args('cursor', { nullable: true }) cursor: string,
    @Args('take', { type: () => Int, nullable: true }) take: number = 10,
  ) {
    return this.service.paginateToursByState(state, take, cursor);
  }

  @Query(() => TourStateMetaObjectType)
  accountingStateMeta(
    @Args('state', { type: () => AccountingState })
    accountingState: AccountingState,
  ) {
    return this.service.getAccountingStateMeta(accountingState);
  }

  @Query(() => TourCostBreakdownObjectType)
  tourCostBreakdown(@Args('operationId') operationId: string) {
    return this.service.getTourCostBreakdown(operationId);
  }

  @ResolveField(() => TicketObjectType, { nullable: true })
  ticket(@Parent() tour: TourObjectType) {
    return this.service.findTicketByTicketId(tour.ticketId);
  }
}