<!--

    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.

-->
<div class="mat-padding tb-entity-table tb-absolute-fill">
  <div fxFlex fxLayout="column" class="mat-elevation-z1 tb-entity-table-content">
    <mat-toolbar class="mat-table-toolbar" [fxShow]="!textSearchMode && dataSource.selection.isEmpty()">
      <div class="mat-toolbar-tools">
        <div fxLayout="row" fxLayoutAlign="start center" fxLayout.xs="column" fxLayoutAlign.xs="center start" class="title-container">
          <span class="tb-entity-table-title">
            {{(direction == directions.FROM ? 'relation.from-relations' : 'relation.to-relations') | translate}}
          </span>
          <mat-form-field class="mat-block tb-relation-direction">
            <mat-label translate>relation.direction</mat-label>
            <mat-select [ngModel]="direction"
                        (ngModelChange)="directionChanged($event)">
              <mat-option *ngFor="let type of directionTypes" [value]="type">
                {{ directionTypeTranslations.get(directions[type]) | translate }}
              </mat-option>
            </mat-select>
          </mat-form-field>
        </div>
        <span fxFlex></span>
        <button mat-icon-button [disabled]="isLoading$ | async"
                (click)="addRelation($event)"
                matTooltip="{{ 'action.add' | translate }}"
                matTooltipPosition="above">
          <mat-icon>add</mat-icon>
        </button>
        <button mat-icon-button [disabled]="isLoading$ | async" (click)="reloadRelations()"
                matTooltip="{{ 'action.refresh' | translate }}"
                matTooltipPosition="above">
          <mat-icon>refresh</mat-icon>
        </button>
        <button mat-icon-button [disabled]="isLoading$ | async" (click)="enterFilterMode()"
                matTooltip="{{ 'action.search' | translate }}"
                matTooltipPosition="above">
          <mat-icon>search</mat-icon>
        </button>
      </div>
    </mat-toolbar>
    <mat-toolbar class="mat-table-toolbar" [fxShow]="textSearchMode && dataSource.selection.isEmpty()">
      <div class="mat-toolbar-tools">
        <button mat-icon-button
                matTooltip="{{ 'action.search' | translate }}"
                matTooltipPosition="above">
          <mat-icon>search</mat-icon>
        </button>
        <mat-form-field fxFlex>
          <mat-label>&nbsp;</mat-label>
          <input #searchInput matInput
                 [(ngModel)]="pageLink.textSearch"
                 placeholder="{{ 'common.enter-search' | translate }}"/>
        </mat-form-field>
        <button mat-icon-button (click)="exitFilterMode()"
                matTooltip="{{ 'action.close' | translate }}"
                matTooltipPosition="above">
          <mat-icon>close</mat-icon>
        </button>
      </div>
    </mat-toolbar>
    <mat-toolbar class="mat-table-toolbar" color="primary" [fxShow]="!dataSource.selection.isEmpty()">
      <div class="mat-toolbar-tools" fxLayoutAlign="space-between center">
        <span class="tb-entity-table-info">
          {{ 'relation.selected-relations' | translate:{count: dataSource.selection.selected.length} }}
        </span>
        <button mat-icon-button [disabled]="isLoading$ | async"
                matTooltip="{{ 'action.delete' | translate }}"
                matTooltipPosition="above"
                (click)="deleteRelations($event)">
          <mat-icon>delete</mat-icon>
        </button>
      </div>
    </mat-toolbar>
    <div fxFlex class="table-container">
      <table mat-table [dataSource]="dataSource"
                 matSort [matSortActive]="pageLink.sortOrder.property" [matSortDirection]="pageLink.sortDirection()" matSortDisableClear>
        <ng-container matColumnDef="select" sticky>
          <mat-header-cell *matHeaderCellDef style="width: 30px;">
            <mat-checkbox (change)="$event ? dataSource.masterToggle() : null"
                          [checked]="dataSource.selection.hasValue() && (dataSource.isAllSelected() | async)"
                          [indeterminate]="dataSource.selection.hasValue() && !(dataSource.isAllSelected() | async)">
            </mat-checkbox>
          </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            <mat-checkbox (click)="$event.stopPropagation()"
                          (change)="$event ? dataSource.selection.toggle(relation) : null"
                          [checked]="dataSource.selection.isSelected(relation)">
            </mat-checkbox>
          </mat-cell>
        </ng-container>
        <ng-container matColumnDef="type">
          <mat-header-cell *matHeaderCellDef mat-sort-header style="width: 33%"> {{ 'relation.type' | translate }} </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            {{ relation.type }}
          </mat-cell>
        </ng-container>
        <ng-container *ngIf="direction === directions.FROM" matColumnDef="toEntityTypeName">
          <mat-header-cell *matHeaderCellDef mat-sort-header style="width: 33%"> {{ 'relation.to-entity-type' | translate }} </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            {{ relation.toEntityTypeName }}
          </mat-cell>
        </ng-container>
        <ng-container *ngIf="direction === directions.FROM" matColumnDef="toName">
          <mat-header-cell *matHeaderCellDef mat-sort-header style="width: 33%"> {{ 'relation.to-entity-name' | translate }} </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            {{ relation.toName }}
          </mat-cell>
        </ng-container>
        <ng-container *ngIf="direction === directions.TO" matColumnDef="fromEntityTypeName">
          <mat-header-cell *matHeaderCellDef mat-sort-header style="width: 33%"> {{ 'relation.from-entity-type' | translate }} </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            {{ relation.fromEntityTypeName }}
          </mat-cell>
        </ng-container>
        <ng-container *ngIf="direction === directions.TO" matColumnDef="fromName">
          <mat-header-cell *matHeaderCellDef mat-sort-header style="width: 33%"> {{ 'relation.from-entity-name' | translate }} </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            {{ relation.fromName }}
          </mat-cell>
        </ng-container>
        <ng-container matColumnDef="actions" stickyEnd>
          <mat-header-cell *matHeaderCellDef style="min-width: 80px; max-width: 80px; width: 80px">
          </mat-header-cell>
          <mat-cell *matCellDef="let relation">
            <div fxFlex fxLayout="row" fxLayoutAlign="end">
              <button mat-icon-button [disabled]="isLoading$ | async"
                      matTooltip="{{ 'relation.edit' | translate }}"
                      matTooltipPosition="above"
                      (click)="editRelation($event, relation)">
                <mat-icon>edit</mat-icon>
              </button>
              <button mat-icon-button [disabled]="isLoading$ | async"
                      matTooltip="{{ 'relation.delete' | translate }}"
                      matTooltipPosition="above"
                      (click)="deleteRelation($event, relation)">
                <mat-icon>delete</mat-icon>
              </button>
            </div>
          </mat-cell>
        </ng-container>
        <mat-header-row [ngClass]="{'mat-row-select': true}" *matHeaderRowDef="displayedColumns; sticky: true"></mat-header-row>
        <mat-row [ngClass]="{'mat-row-select': true,
                             'mat-selected': dataSource.selection.isSelected(relation)}"
                 *matRowDef="let relation; columns: displayedColumns;" (click)="dataSource.selection.toggle(relation)"></mat-row>
      </table>
      <span [fxShow]="dataSource.isEmpty() | async"
            fxLayoutAlign="center center"
            class="no-data-found" translate>{{ 'relation.no-relations-text' }}</span>
    </div>
    <mat-divider></mat-divider>
    <mat-paginator [length]="dataSource.total() | async"
                   [pageIndex]="pageLink.page"
                   [pageSize]="pageLink.pageSize"
                   [pageSizeOptions]="[10, 20, 30]"></mat-paginator>
  </div>
</div>