import { UniqueID } from "@repo/rdx-ddd";
import { Result } from "@repo/rdx-utils";

import { TeleworkAuthorization } from "../domain/telework-authorization.aggregate";
import type { TeleworkAuthorizationInput } from "../domain/telework-authorization-values";
import { TeleworkAuthorizationError } from "../domain/telework-authorization-values";

import type { ITeleworkAuthorizationRepository } from "./telework-authorization.repository";
import { mapTeleworkAuthorizationInput } from "./telework-authorization-input.mapper";

export class TeleworkAuthorizationUseCases {
  constructor(private readonly repository: ITeleworkAuthorizationRepository) {}

  get(companyId: string) {
    const company = UniqueID.create(companyId);

    return company.isSuccess
      ? this.repository.get(company.data)
      : Promise.resolve(Result.fail(new TeleworkAuthorizationError("INVALID_REQUEST")));
  }

  save(
    companyId: string,
    id: string | undefined,
    input: TeleworkAuthorizationInput,
    actorId: string
  ) {
    const company = UniqueID.create(companyId);
    const actor = UniqueID.create(actorId);
    const identity = id ? UniqueID.create(id) : undefined;

    if (!(company.isSuccess && actor.isSuccess) || (identity && !identity.isSuccess)) {
      return Promise.resolve(Result.fail(new TeleworkAuthorizationError("INVALID_REQUEST")));
    }

    return this.repository.save(company.data, (context) => {
      const previous = identity?.isSuccess
        ? context.authorizations.find((item) => item.id.equals(identity.data))
        : undefined;

      if (id && !previous) {
        return Result.fail(new TeleworkAuthorizationError("TELEWORK_AUTHORIZATION_NOT_FOUND"));
      }
      const values = mapTeleworkAuthorizationInput(input, context, previous);

      if (!values.isSuccess) {
        return Result.fail(values.error);
      }
      const now = new Date().toISOString();

      return previous
        ? previous.update(values.data, actor.data, now)
        : TeleworkAuthorization.create(company.data, values.data, actor.data, now);
    });
  }
}