import { injectable } from 'tsyringe';
import NavigateClient from '../clients/NavigateClient';
import TabPresenter from '../presenters/TabPresenter';

@injectable()
export default class NavigateUseCase {
  constructor(
    private tabPresenter: TabPresenter,
    private navigateClient: NavigateClient,
  ) {
  }

  async openHistoryNext(): Promise<void> {
    const tab = await this.tabPresenter.getCurrent();
    await this.navigateClient.historyNext(tab.id!!);
  }

  async openHistoryPrev(): Promise<void> {
    const tab = await this.tabPresenter.getCurrent();
    await this.navigateClient.historyPrev(tab.id!!);
  }

  async openLinkNext(): Promise<void> {
    const tab = await this.tabPresenter.getCurrent();
    await this.navigateClient.linkNext(tab.id!!);
  }

  async openLinkPrev(): Promise<void> {
    const tab = await this.tabPresenter.getCurrent();
    await this.navigateClient.linkPrev(tab.id!!);
  }

  async openParent(): Promise<void> {
    const tab = await this.tabPresenter.getCurrent();
    const url = new URL(tab.url!!);
    if (url.hash.length > 0) {
      url.hash = '';
    } else if (url.search.length > 0) {
      url.search = '';
    } else {
      const basenamePattern = /\/[^/]+$/;
      const lastDirPattern = /\/[^/]+\/$/;
      if (basenamePattern.test(url.pathname)) {
        url.pathname = url.pathname.replace(basenamePattern, '/');
      } else if (lastDirPattern.test(url.pathname)) {
        url.pathname = url.pathname.replace(lastDirPattern, '/');
      }
    }
    await this.tabPresenter.open(url.href);
  }

  async openRoot(): Promise<void> {
    const tab = await this.tabPresenter.getCurrent();
    const url = new URL(tab.url!!);
    await this.tabPresenter.open(url.origin);
  }
}