import { Location } from "@angular/common";
import { ChangeDetectorRef, Component, NgZone } from "@angular/core";
import { ActivatedRoute, Router } from "@angular/router";
import { first } from "rxjs/operators";

import { ViewComponent as BaseViewComponent } from "@bitwarden/angular/components/view.component";
import { ApiService } from "@bitwarden/common/abstractions/api.service";
import { AuditService } from "@bitwarden/common/abstractions/audit.service";
import { BroadcasterService } from "@bitwarden/common/abstractions/broadcaster.service";
import { CipherService } from "@bitwarden/common/abstractions/cipher.service";
import { CryptoService } from "@bitwarden/common/abstractions/crypto.service";
import { EventService } from "@bitwarden/common/abstractions/event.service";
import { I18nService } from "@bitwarden/common/abstractions/i18n.service";
import { LogService } from "@bitwarden/common/abstractions/log.service";
import { MessagingService } from "@bitwarden/common/abstractions/messaging.service";
import { PasswordRepromptService } from "@bitwarden/common/abstractions/passwordReprompt.service";
import { PlatformUtilsService } from "@bitwarden/common/abstractions/platformUtils.service";
import { StateService } from "@bitwarden/common/abstractions/state.service";
import { TokenService } from "@bitwarden/common/abstractions/token.service";
import { TotpService } from "@bitwarden/common/abstractions/totp.service";
import { CipherType } from "@bitwarden/common/enums/cipherType";
import { Cipher } from "@bitwarden/common/models/domain/cipher";
import { LoginUriView } from "@bitwarden/common/models/view/loginUriView";

import { BrowserApi } from "../../browser/browserApi";
import { AutofillService } from "../../services/abstractions/autofill.service";
import { PopupUtilsService } from "../services/popup-utils.service";

const BroadcasterSubscriptionId = "ChildViewComponent";

@Component({
  selector: "app-vault-view",
  templateUrl: "view.component.html",
})
export class ViewComponent extends BaseViewComponent {
  showAttachments = true;
  pageDetails: any[] = [];
  tab: any;
  loadPageDetailsTimeout: number;
  inPopout = false;
  cipherType = CipherType;

  constructor(
    cipherService: CipherService,
    totpService: TotpService,
    tokenService: TokenService,
    i18nService: I18nService,
    cryptoService: CryptoService,
    platformUtilsService: PlatformUtilsService,
    auditService: AuditService,
    private route: ActivatedRoute,
    private router: Router,
    private location: Location,
    broadcasterService: BroadcasterService,
    ngZone: NgZone,
    changeDetectorRef: ChangeDetectorRef,
    stateService: StateService,
    eventService: EventService,
    private autofillService: AutofillService,
    private messagingService: MessagingService,
    private popupUtilsService: PopupUtilsService,
    apiService: ApiService,
    passwordRepromptService: PasswordRepromptService,
    logService: LogService
  ) {
    super(
      cipherService,
      totpService,
      tokenService,
      i18nService,
      cryptoService,
      platformUtilsService,
      auditService,
      window,
      broadcasterService,
      ngZone,
      changeDetectorRef,
      eventService,
      apiService,
      passwordRepromptService,
      logService,
      stateService
    );
  }

  ngOnInit() {
    this.inPopout = this.popupUtilsService.inPopout(window);
    this.route.queryParams.pipe(first()).subscribe(async (params) => {
      if (params.cipherId) {
        this.cipherId = params.cipherId;
      } else {
        this.close();
      }

      await this.load();
    });

    super.ngOnInit();

    this.broadcasterService.subscribe(BroadcasterSubscriptionId, (message: any) => {
      this.ngZone.run(async () => {
        switch (message.command) {
          case "collectPageDetailsResponse":
            if (message.sender === BroadcasterSubscriptionId) {
              this.pageDetails.push({
                frameId: message.webExtSender.frameId,
                tab: message.tab,
                details: message.details,
              });
            }
            break;
          case "tabChanged":
          case "windowChanged":
            if (this.loadPageDetailsTimeout != null) {
              window.clearTimeout(this.loadPageDetailsTimeout);
            }
            this.loadPageDetailsTimeout = window.setTimeout(() => this.loadPageDetails(), 500);
            break;
          default:
            break;
        }
      });
    });
  }

  ngOnDestroy() {
    super.ngOnDestroy();
    this.broadcasterService.unsubscribe(BroadcasterSubscriptionId);
  }

  async load() {
    await super.load();
    await this.loadPageDetails();
  }

  async edit() {
    if (this.cipher.isDeleted) {
      return false;
    }
    if (!(await super.edit())) {
      return false;
    }

    this.router.navigate(["/edit-cipher"], { queryParams: { cipherId: this.cipher.id } });
    return true;
  }

  async clone() {
    if (this.cipher.isDeleted) {
      return false;
    }

    if (!(await super.clone())) {
      return false;
    }

    this.router.navigate(["/clone-cipher"], {
      queryParams: {
        cloneMode: true,
        cipherId: this.cipher.id,
      },
    });
    return true;
  }

  async share() {
    if (!(await super.share())) {
      return false;
    }

    if (this.cipher.organizationId == null) {
      this.router.navigate(["/share-cipher"], {
        replaceUrl: true,
        queryParams: { cipherId: this.cipher.id },
      });
    }
    return true;
  }

  async fillCipher() {
    const didAutofill = await this.doAutofill();
    if (didAutofill) {
      this.platformUtilsService.showToast("success", null, this.i18nService.t("autoFillSuccess"));
    }
  }

  async fillCipherAndSave() {
    const didAutofill = await this.doAutofill();

    if (didAutofill) {
      if (this.tab == null) {
        throw new Error("No tab found.");
      }

      if (this.cipher.login.uris == null) {
        this.cipher.login.uris = [];
      } else {
        if (this.cipher.login.uris.some((uri) => uri.uri === this.tab.url)) {
          this.platformUtilsService.showToast(
            "success",
            null,
            this.i18nService.t("autoFillSuccessAndSavedUri")
          );
          return;
        }
      }

      const loginUri = new LoginUriView();
      loginUri.uri = this.tab.url;
      this.cipher.login.uris.push(loginUri);

      try {
        const cipher: Cipher = await this.cipherService.encrypt(this.cipher);
        await this.cipherService.saveWithServer(cipher);
        this.platformUtilsService.showToast(
          "success",
          null,
          this.i18nService.t("autoFillSuccessAndSavedUri")
        );
        this.messagingService.send("editedCipher");
      } catch {
        this.platformUtilsService.showToast("error", null, this.i18nService.t("unexpectedError"));
      }
    }
  }

  async restore() {
    if (!this.cipher.isDeleted) {
      return false;
    }
    if (await super.restore()) {
      this.close();
      return true;
    }
    return false;
  }

  async delete() {
    if (await super.delete()) {
      this.messagingService.send("deletedCipher");
      this.close();
      return true;
    }
    return false;
  }

  close() {
    this.location.back();
  }

  private async loadPageDetails() {
    this.pageDetails = [];
    this.tab = await BrowserApi.getTabFromCurrentWindow();
    if (this.tab == null) {
      return;
    }
    BrowserApi.tabSendMessage(this.tab, {
      command: "collectPageDetails",
      tab: this.tab,
      sender: BroadcasterSubscriptionId,
    });
  }

  private async doAutofill() {
    if (!(await this.promptPassword())) {
      return false;
    }

    if (this.pageDetails == null || this.pageDetails.length === 0) {
      this.platformUtilsService.showToast("error", null, this.i18nService.t("autofillError"));
      return false;
    }

    try {
      this.totpCode = await this.autofillService.doAutoFill({
        cipher: this.cipher,
        pageDetails: this.pageDetails,
        doc: window.document,
        fillNewPassword: true,
      });
      if (this.totpCode != null) {
        this.platformUtilsService.copyToClipboard(this.totpCode, { window: window });
      }
    } catch {
      this.platformUtilsService.showToast("error", null, this.i18nService.t("autofillError"));
      this.changeDetectorRef.detectChanges();
      return false;
    }

    return true;
  }
}