<!--

    Copyright © 2016-2026 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="tb-container">
  @if (label) {
    <label class="tb-title" [class]="{'tb-error': !disabled && (required && !imageUrls.length), 'tb-required': !disabled && required}">{{label}}</label>
  }
  <div class="images-container flex flex-row gap-2" dndDropzone [dndHorizontal]="true" dndEffectAllowed="move"
       [class.no-images]="!imageUrls.length"
       [dndDisableIf]="disabled" (dndDrop)="imageDrop($event)">
    <div dndPlaceholderRef class="image-card image-dnd-placeholder"></div>
    @for (imageUrl of imageUrls; track imageUrl) {
      <div
        (dndStart)="imageDragStart($index)"
        (dndEnd)="imageDragEnd()"
        [dndDraggable]="imageUrl"
        [dndDisableIf]="disabled"
        dndEffectAllowed="move"
        [class.image-dragging]="dragIndex === $index"
        class="image-card flex flex-col">
        <span class="image-title">{{ 'image-input.images' | translate }} [{{ $index }}]</span>
        <div class="image-content-container flex flex-row">
          @if (!disabled) {
            <div dndHandle class="tb-image-action-container tb-drag-handle">
              <mat-icon color="primary">drag_indicator</mat-icon>
            </div>
          }
          <div class="tb-image-preview-container">
            <img class="tb-image-preview" [src]="imageUrl | image: {preview: true} | async" />
          </div>
          @if (!disabled) {
            <div class="tb-image-action-container">
              <button mat-icon-button color="primary"
                      type="button"
                      (click)="clearImage($index)"
                      matTooltip="{{ 'action.remove' | translate }}"
                      matTooltipPosition="above">
                <mat-icon>close</mat-icon>
              </button>
            </div>
          }
        </div>
      </div>
    }
    @if (!imageUrls.length) {
      <div class="no-images-prompt">{{ 'image-input.no-images' | translate }}</div>
    }
  </div>
  @if (!disabled) {
    <div class="tb-image-select-container">
      @if (linkType === ImageLinkType.external) {
        <div class="tb-image-container">
          @if (externalLinkControl.value) {
            <img class="tb-image-preview" [src]="externalLinkControl.value | image | async">
          } @else {
            <div class="tb-no-image">{{ 'image.no-image-selected' | translate }}</div>
          }
        </div>
      }
      @if (linkType === ImageLinkType.external) {
        <div class="tb-image-info-container">
          <div class="tb-external-image-container">
            <div class="tb-external-link-label">
              {{ 'image.image-link' | translate }}
            </div>
            <div class="tb-external-link-input-container">
              <mat-form-field class="tb-inline-field" appearance="outline" subscriptSizing="dynamic">
                <input matInput [formControl]="externalLinkControl" placeholder="{{ 'widget-config.set' | translate }}">
              </mat-form-field>
              <button class="tb-image-decline-btn"
                      type="button"
                      mat-icon-button
                      matTooltip="{{ 'action.decline' | translate }}"
                      matTooltipPosition="above"
                      (click)="declineLink($event)">
                <mat-icon>close</mat-icon>
              </button>
              <button class="tb-image-apply-btn"
                      type="button"
                      [disabled]="!externalLinkControl.value"
                      color="primary"
                      mat-icon-button
                      matTooltip="{{ 'action.apply' | translate }}"
                      matTooltipPosition="above"
                      (click)="applyLink($event)">
                <mat-icon>check</mat-icon>
              </button>
            </div>
          </div>
        </div>
      }
      @if (linkType === ImageLinkType.none) {
        <div class="tb-image-select-buttons-container">
          <button mat-stroked-button
                  type="button"
                  color="primary"
                  class="tb-image-select-button"
                  (click)="toggleGallery($event)">
            <tb-icon matButtonIcon>filter</tb-icon>
            <span translate>image.browse-from-gallery</span>
          </button>
          <button mat-stroked-button
                  type="button"
                  color="primary"
                  class="tb-image-select-button"
                  (click)="setLink($event)">
            <tb-icon matButtonIcon>link</tb-icon>
            <span translate>image.set-link</span>
          </button>
        </div>
      }
    </div>
  }
</div>

