import { DIALOG_DATA, DialogRef } from "@angular/cdk/dialog";
import { CommonModule } from "@angular/common";
import {
  AfterViewInit,
  Component,
  DestroyRef,
  inject,
  Inject,
  OnInit,
  ViewChild,
} from "@angular/core";
import { takeUntilDestroyed } from "@angular/core/rxjs-interop";
import { FormBuilder, ReactiveFormsModule, Validators } from "@angular/forms";
import { firstValueFrom, map } from "rxjs";

import { JslibModule } from "@bitwarden/angular/jslib.module";
import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
import { FolderApiServiceAbstraction } from "@bitwarden/common/vault/abstractions/folder/folder-api.service.abstraction";
import { FolderService } from "@bitwarden/common/vault/abstractions/folder/folder.service.abstraction";
import { FolderView } from "@bitwarden/common/vault/models/view/folder.view";
import {
  AsyncActionsModule,
  BitSubmitDirective,
  ButtonComponent,
  ButtonModule,
  DialogModule,
  DialogService,
  FormFieldModule,
  IconButtonModule,
  ToastService,
} from "@bitwarden/components";
import { KeyService } from "@bitwarden/key-management";

export enum AddEditFolderDialogResult {
  Created = "created",
  Deleted = "deleted",
}

export type AddEditFolderDialogData = {
  /** When provided, dialog will display edit folder variant */
  editFolderConfig?: { folder: FolderView };
};

@Component({
  standalone: true,
  selector: "vault-add-edit-folder-dialog",
  templateUrl: "./add-edit-folder-dialog.component.html",
  imports: [
    CommonModule,
    JslibModule,
    DialogModule,
    ButtonModule,
    FormFieldModule,
    ReactiveFormsModule,
    IconButtonModule,
    AsyncActionsModule,
  ],
})
export class AddEditFolderDialogComponent implements AfterViewInit, OnInit {
  @ViewChild(BitSubmitDirective) private bitSubmit?: BitSubmitDirective;
  @ViewChild("submitBtn") private submitBtn?: ButtonComponent;

  folder: FolderView = new FolderView();

  variant: "add" | "edit" = "add";

  folderForm = this.formBuilder.group({
    name: ["", Validators.required],
  });

  private activeUserId$ = this.accountService.activeAccount$.pipe(map((a) => a?.id));
  private destroyRef = inject(DestroyRef);

  constructor(
    private formBuilder: FormBuilder,
    private folderService: FolderService,
    private folderApiService: FolderApiServiceAbstraction,
    private accountService: AccountService,
    private keyService: KeyService,
    private toastService: ToastService,
    private i18nService: I18nService,
    private logService: LogService,
    private dialogService: DialogService,
    private dialogRef: DialogRef<AddEditFolderDialogResult>,
    @Inject(DIALOG_DATA) private data?: AddEditFolderDialogData,
  ) {}

  ngOnInit(): void {
    if (this.data?.editFolderConfig) {
      this.variant = "edit";
      this.folderForm.controls.name.setValue(this.data.editFolderConfig.folder.name);
      this.folder = this.data.editFolderConfig.folder;
    } else {
      // Create a new folder view
      this.folder = new FolderView();
    }
  }

  ngAfterViewInit(): void {
    this.bitSubmit?.loading$.pipe(takeUntilDestroyed(this.destroyRef)).subscribe((loading) => {
      if (!this.submitBtn) {
        return;
      }

      this.submitBtn.loading = loading;
    });
  }

  /** Submit the new folder */
  submit = async () => {
    if (this.folderForm.invalid) {
      return;
    }

    this.folder.name = this.folderForm.controls.name.value ?? "";

    try {
      const activeUserId = await firstValueFrom(this.activeUserId$);
      const userKey = await this.keyService.getUserKeyWithLegacySupport(activeUserId!);
      const folder = await this.folderService.encrypt(this.folder, userKey);
      await this.folderApiService.save(folder, activeUserId!);

      this.toastService.showToast({
        variant: "success",
        title: "",
        message: this.i18nService.t("editedFolder"),
      });

      this.close(AddEditFolderDialogResult.Created);
    } catch (e) {
      this.logService.error(e);
    }
  };

  /** Delete the folder with when the user provides a confirmation */
  deleteFolder = async () => {
    const confirmed = await this.dialogService.openSimpleDialog({
      title: { key: "deleteFolder" },
      content: { key: "deleteFolderPermanently" },
      type: "warning",
    });

    if (!confirmed) {
      return;
    }

    try {
      const activeUserId = await firstValueFrom(this.activeUserId$);
      await this.folderApiService.delete(this.folder.id, activeUserId!);
      this.toastService.showToast({
        variant: "success",
        title: "",
        message: this.i18nService.t("deletedFolder"),
      });
    } catch (e) {
      this.logService.error(e);
    }

    this.close(AddEditFolderDialogResult.Deleted);
  };

  /** Close the dialog */
  private close(result: AddEditFolderDialogResult) {
    this.dialogRef.close(result);
  }

  static open(dialogService: DialogService, data?: AddEditFolderDialogData) {
    return dialogService.open<AddEditFolderDialogResult, AddEditFolderDialogData>(
      AddEditFolderDialogComponent,
      { data },
    );
  }
}