///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { Component, Inject, OnInit, SkipSelf } from '@angular/core';
import { ErrorStateMatcher } from '@angular/material/core';
import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
import { Store } from '@ngrx/store';
import { AppState } from '@core/core.state';
import { FormBuilder, FormControl, FormGroup, FormGroupDirective, NgForm } from '@angular/forms';
import { Router } from '@angular/router';
import { DialogComponent } from '@app/shared/components/dialog.component';
import { Widget, widgetTypesData } from '@shared/models/widget.models';
import { UtilsService } from '@core/services/utils.service';
import { TranslateService } from '@ngx-translate/core';
import { EntityService } from '@core/http/entity.service';
import { Dashboard, DashboardLayoutId, DashboardStateLayouts } from '@app/shared/models/dashboard.models';
import { IAliasController } from '@core/api/widget-api.models';
import { WidgetConfigComponentData, WidgetInfo } from '@home/models/widget-component.models';
import { deepClone, isDefined, isString } from '@core/utils';
import { DashboardUtilsService } from '@core/services/dashboard-utils.service';
import { MatDialog } from '@angular/material/dialog';
import {
  DashboardSettingsDialogComponent,
  DashboardSettingsDialogData
} from '@home/pages/dashboard/dashboard-settings-dialog.component';

export interface ManageDashboardLayoutsDialogData {
  layouts: DashboardStateLayouts;
}

@Component({
  selector: 'tb-manage-dashboard-layouts-dialog',
  templateUrl: './manage-dashboard-layouts-dialog.component.html',
  providers: [{provide: ErrorStateMatcher, useExisting: ManageDashboardLayoutsDialogComponent}],
  styleUrls: ['../../../components/dashboard/layout-button.scss']
})
export class ManageDashboardLayoutsDialogComponent extends DialogComponent<ManageDashboardLayoutsDialogComponent, DashboardStateLayouts>
  implements OnInit, ErrorStateMatcher {

  layoutsFormGroup: FormGroup;

  layouts: DashboardStateLayouts;

  submitted = false;

  constructor(protected store: Store<AppState>,
              protected router: Router,
              @Inject(MAT_DIALOG_DATA) public data: ManageDashboardLayoutsDialogData,
              @SkipSelf() private errorStateMatcher: ErrorStateMatcher,
              public dialogRef: MatDialogRef<ManageDashboardLayoutsDialogComponent, DashboardStateLayouts>,
              private fb: FormBuilder,
              private utils: UtilsService,
              private dashboardUtils: DashboardUtilsService,
              private translate: TranslateService,
              private dialog: MatDialog) {
    super(store, router, dialogRef);

    this.layouts = this.data.layouts;
    this.layoutsFormGroup = this.fb.group({
        main:  [{value: isDefined(this.layouts.main), disabled: true}, []],
        right: [isDefined(this.layouts.right), []],
      }
    );
    for (const l of Object.keys(this.layoutsFormGroup.controls)) {
      const control = this.layoutsFormGroup.controls[l];
      if (!this.layouts[l]) {
        this.layouts[l] = this.dashboardUtils.createDefaultLayoutData();
      }
    }
  }

  ngOnInit(): void {
  }

  isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean {
    const originalErrorState = this.errorStateMatcher.isErrorState(control, form);
    const customErrorState = !!(control && control.invalid && this.submitted);
    return originalErrorState || customErrorState;
  }

  openLayoutSettings(layoutId: DashboardLayoutId) {
    const gridSettings = deepClone(this.layouts[layoutId].gridSettings);
    this.dialog.open<DashboardSettingsDialogComponent, DashboardSettingsDialogData,
      DashboardSettingsDialogData>(DashboardSettingsDialogComponent, {
      disableClose: true,
      panelClass: ['tb-dialog', 'tb-fullscreen-dialog'],
      data: {
        settings: null,
        gridSettings
      }
    }).afterClosed().subscribe((data) => {
      if (data && data.gridSettings) {
        this.dashboardUtils.updateLayoutSettings(this.layouts[layoutId], data.gridSettings);
        this.layoutsFormGroup.markAsDirty();
      }
    });
  }

  cancel(): void {
    this.dialogRef.close(null);
  }

  save(): void {
    this.submitted = true;
    for (const l of Object.keys(this.layoutsFormGroup.controls)) {
      const control = this.layoutsFormGroup.controls[l];
      if (!control.value) {
        delete this.layouts[l];
      }
    }
    this.dialogRef.close(this.layouts);
  }
}