import type { ModuleParams } from "@erp/core/api";
import { SequelizeTransactionManager } from "@erp/core/api";

import {
  CreateCustomerUseCase,
  CreateCustomersAssembler,
  DeleteCustomerUseCase,
  GetCustomerAssembler,
  GetCustomerUseCase,
  ListCustomersAssembler,
  ListCustomersUseCase,
} from "../application";
import { CustomerService, ICustomerService } from "../domain";
import { CustomerMapper } from "./mappers";
import { CustomerRepository } from "./sequelize";

type CustomerDeps = {
  transactionManager: SequelizeTransactionManager;
  repo: CustomerRepository;
  mapper: CustomerMapper;
  service: ICustomerService;
  assemblers: {
    list: ListCustomersAssembler;
    get: GetCustomerAssembler;
    create: CreateCustomersAssembler;
    //update: UpdateCustomerAssembler;
  };
  build: {
    list: () => ListCustomersUseCase;
    get: () => GetCustomerUseCase;
    create: () => CreateCustomerUseCase;
    //update: () => UpdateCustomerUseCase;
    delete: () => DeleteCustomerUseCase;
  };
  presenters: {
    // list: <T>(res: Response) => ListPresenter<T>;
  };
};

let _repo: CustomerRepository | null = null;
let _mapper: CustomerMapper | null = null;
let _service: ICustomerService | null = null;
let _assemblers: CustomerDeps["assemblers"] | null = null;

export function getCustomerDependencies(params: ModuleParams): CustomerDeps {
  const { database } = params;
  const transactionManager = new SequelizeTransactionManager(database);

  if (!_mapper) _mapper = new CustomerMapper();
  if (!_repo) _repo = new CustomerRepository(_mapper);
  if (!_service) _service = new CustomerService(_repo);

  if (!_assemblers) {
    _assemblers = {
      list: new ListCustomersAssembler(), // transforma domain → ListDTO
      get: new GetCustomerAssembler(), // transforma domain → DetailDTO
      create: new CreateCustomersAssembler(), // transforma domain → CreatedDTO
      //update: new UpdateCustomerAssembler(), // transforma domain -> UpdateDTO
    };
  }

  return {
    transactionManager,
    repo: _repo,
    mapper: _mapper,
    service: _service,
    assemblers: _assemblers,
    build: {
      list: () => new ListCustomersUseCase(_service!, transactionManager!, _assemblers!.list),
      get: () => new GetCustomerUseCase(_service!, transactionManager!, _assemblers!.get),
      create: () => new CreateCustomerUseCase(_service!, transactionManager!, _assemblers!.create),
      /*update: () =>
        new UpdateCustomerUseCase(_service!, transactionManager!, _assemblers!.update),*/
      delete: () => new DeleteCustomerUseCase(_service!, transactionManager!),
    },
    presenters: {
      //list: <T>(res: Response) => createListPresenter<T>(res),
      //json: <T>(res: Response, status: number = 200) => createJsonPresenter<T>(res, status),
    },
  };
}