import type { SetupParams } from "@erp/core/api";
import type { TINNumber, UniqueID } from "@repo/rdx-ddd";
import { Result } from "@repo/rdx-utils";
import type { Transaction } from "sequelize";

import { buildCustomerCreator, buildCustomerFinder } from "../../application";
import type { Customer, ICustomerCreateProps } from "../../domain";

import { buildCustomerPersistenceMappers } from "./customer-persistence-mappers.di";
import { buildCustomerRepository } from "./customer-repositories.di";
import type { CustomersInternalDeps } from "./customers.di";

type CustomerServicesContext = {
  transaction: Transaction;
  companyId: UniqueID;
};

export type CustomerPublicServices = {
  //listCustomers: (filters: unknown, context: unknown) => null;
  findCustomerByTIN: (
    tin: TINNumber,
    context: CustomerServicesContext
  ) => Promise<Result<Customer, Error>>;
  createCustomer: (
    id: UniqueID,
    props: ICustomerCreateProps,
    context: CustomerServicesContext
  ) => Promise<Result<Customer, Error>>;
  //generateCustomerReport: (id: unknown, options: unknown, context: unknown) => null;
};

export function buildCustomerServices(
  params: SetupParams,
  deps: CustomersInternalDeps
): CustomerPublicServices {
  const { database } = params;

  // Infrastructure
  const persistenceMappers = buildCustomerPersistenceMappers();
  const repository = buildCustomerRepository({ database, mappers: persistenceMappers });

  const finder = buildCustomerFinder({ repository });
  const creator = buildCustomerCreator({ repository });

  return {
    findCustomerByTIN: async (tin: TINNumber, context: CustomerServicesContext) => {
      const { companyId, transaction } = context;

      const customerResult = await finder.findCustomerByTIN(companyId, tin, transaction);

      if (customerResult.isFailure) {
        return Result.fail(customerResult.error);
      }

      return Result.ok(customerResult.data);
    },

    createCustomer: async (
      id: UniqueID,
      props: ICustomerCreateProps,
      context: CustomerServicesContext
    ) => {
      const { companyId, transaction } = context;

      const customerResult = await creator.create({
        companyId,
        id,
        props,
        transaction,
      });

      if (customerResult.isFailure) {
        return Result.fail(customerResult.error);
      }

      return Result.ok(customerResult.data);
    },
  };
}