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

import { SupportConnection } from "../domain/support-connection.aggregate";
import type { SupportInput } from "../domain/support-values";
import { SupportError } from "../domain/support-values";

import type { ISupportRepository } from "./support.repository";
import { mapSupportInput } from "./support-input.mapper";

export class SupportUseCases {
  constructor(private readonly repository: ISupportRepository) {}

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

    if (!(company.isSuccess && asset.isSuccess)) {
      return Promise.resolve(Result.fail(new SupportError("INVALID_REQUEST")));
    }

    return this.repository.get(company.data, asset.data);
  }

  remove(companyId: string, assetId: string, id: string) {
    const company = UniqueID.create(companyId);
    const asset = UniqueID.create(assetId);
    const identity = UniqueID.create(id);

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

    return this.repository.remove(company.data, asset.data, identity.data);
  }

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

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

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

      if (id && !previous) {
        return Result.fail(new SupportError("CONNECTION_NOT_FOUND"));
      }
      const values = mapSupportInput(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)
        : SupportConnection.create(company.data, asset.data, values.data, actor.data, now);
    });
  }
}