<!--

    Copyright © 2016-2023 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 [formGroup]="alarmCommentFormGroup" class="tb-alarm-comments" fxLayout="column">
  <div class="header"  [ngClass]="{'activity-only': alarmActivityOnly}">
    <div class="header-container" fxLayout="row" fxLayoutAlign="space-between center"
         [ngClass]="{'asc': isDirectionAscending(), 'activity-only': alarmActivityOnly}">
      <span class="header-title" translate>
        alarm-activity.activity
      </span>
      <div style="margin-left: auto">
        <button mat-icon-button
                type="button"
                (click)="exportAlarmActivity()"
                matTooltip="{{ 'alarm-activity.export' | translate }}"
                matTooltipPosition="above">
          <mat-icon class="material-icons" svgIcon="mdi:file-export"></mat-icon>
        </button>
        <button mat-icon-button
                type="button"
                (click)="changeSortDirection()"
                [matTooltip]="getSortDirectionTooltipText()"
                matTooltipPosition="above">
          <tb-icon class="material-icons">{{ getSortDirectionIcon() }}</tb-icon>
        </button>
        <button mat-icon-button
                type="button"
                (click)="loadAlarmComments()"
                matTooltip="{{ 'alarm-activity.refresh' | translate }}"
                matTooltipPosition="above">
          <mat-icon class="material-icons">refresh</mat-icon>
        </button>
      </div>
    </div>
  </div>
  <div fxLayout="column">
    <ng-container *ngIf="!isDirectionAscending()">
      <ng-container *ngTemplateOutlet="commentInput"></ng-container>
    </ng-container>
    <div class="comments-container" fxLayout="column" fxLayoutGap="12px" style="padding: 24px"
         [ngClass]="{'asc': isDirectionAscending(), 'activity-only': alarmActivityOnly}">
      <div fxFlex *ngFor="let displayDataElement of displayData; index as i">
        <div class="system-comment" *ngIf="displayDataElement.isSystemComment; else userComment">
          <span class="system-text" style="margin-right: 8px">
            {{ displayDataElement.commentText }}
          </span>
          <span class="time" style="padding: 3px"
                [matTooltip]="displayDataElement.createdTime"
                matTooltipPosition="right">
            {{ displayDataElement.createdDateAgo }}
          </span>
        </div>
        <ng-template #userComment>
          <div class="user-comment" fxLayout="row" fxLayoutAlign="start center" fxLayoutGap="8px"
               *ngIf="!displayDataElement.edit; else commentEditing"
               (mouseenter)="onCommentMouseEnter(displayDataElement.commentId, i)"
               (mouseleave)="onCommentMouseLeave(i)">
            <div class="user-avatar" fxLayout="row" fxLayoutAlign="center center" fxFlexAlign="start" fxHide.xs
                 [style.background-color]="displayDataElement.avatarBgColor">
              {{ getUserInitials(displayDataElement.displayName) }}
            </div>
            <div fxFlex fxLayout="column" fxLayoutGap="5px">
              <div fxLayout="row" fxLayoutGap="8px" fxLayoutAlign="start center">
                <span class="user-name">{{ displayDataElement.displayName }}</span>
                <span class="time"
                      [matTooltip]="displayDataElement.createdTime"
                      matTooltipPosition="right">
                  {{ displayDataElement.createdDateAgo }}
                </span>
                <span class="time" *ngIf="displayDataElement.isEdited"
                      matTooltip="{{ displayDataElement.editedDateAgo }} {{ displayDataElement.editedTime }}"
                      matTooltipPosition="right">
                  Edited
                </span>
              </div>
              <span class="text">{{ displayDataElement.commentText }}</span>
            </div>
            <div fxLayout="row" fxLayout.xs="column"  class="action-buttons"
                 [ngClass]="{ 'show-buttons': displayDataElement.showActions }">
              <button mat-icon-button
                      type="button"
                      (click)="editComment(displayDataElement.commentId)">
                <mat-icon class="material-icons">edit</mat-icon>
              </button>
              <button mat-icon-button
                      type="button"
                      (click)="deleteComment(displayDataElement.commentId)">
                <mat-icon class="material-icons">delete</mat-icon>
              </button>
            </div>
          </div>
          <ng-template #commentEditing>
            <div fxLayoutAlign="row center" fxLayoutGap="8px">
              <div fxLayout="row" fxLayoutAlign="center center"
                   class="user-avatar"
                   [style.background-color]="displayDataElement.avatarBgColor">
                {{ getUserInitials(displayDataElement.displayName) }}
              </div>
              <mat-form-field fxFlex class="mat-block tb-appearance-transparent">
                <textarea matInput
                          type="text"
                          placeholder="{{ 'alarm-activity.add' | translate }}"
                          cdkTextareaAutosize
                          cdkAutosizeMinRows="1"
                          cols="1"
                          formControlName="alarmCommentEdit"
                          (keyup.enter)="saveEditedComment(displayDataElement.commentId)"
                          (keydown.enter)="$event.preventDefault()">
                </textarea>
                <div matSuffix fxLayout="row">
                  <button mat-icon-button
                          (click)="cancelEdit(displayDataElement.commentId)"
                          type="button">
                    <mat-icon class="material-icons red-button">close</mat-icon>
                  </button>
                  <button mat-icon-button
                          type="button"
                          (click)="saveEditedComment(displayDataElement.commentId)">
                    <mat-icon class="material-icons green-button">check</mat-icon>
                  </button>
                </div>
              </mat-form-field>
            </div>
          </ng-template>
        </ng-template>
      </div>
    </div>
    <ng-container *ngIf="isDirectionAscending()">
      <ng-container *ngTemplateOutlet="commentInput"></ng-container>
    </ng-container>
  </div>
  <ng-template #commentInput>
    <div style="background-color: white" class="comment-input"
         [ngClass]="{'newest-first': !isDirectionAscending(), 'oldest-first': isDirectionAscending(), 'activity-only': alarmActivityOnly}">
      <div fxLayout="row" fxLayoutAlign="start center" fxLayoutGap="8px" class="inner-wrap">
        <div fxLayout="row" fxLayoutAlign="center center"
             class="user-avatar"
             *ngIf="userDisplayName$ | async; let userDisplayName"
             [style.background-color]="getCurrentUserBgColor(userDisplayName)">
          {{ getUserInitials(userDisplayName) }}
        </div>
        <mat-form-field fxFlex class="mat-block tb-appearance-transparent">
          <textarea matInput
                    type="text"
                    placeholder="{{ 'alarm-activity.add' | translate }}"
                    cdkTextareaAutosize
                    cdkAutosizeMinRows="1"
                    cols="1"
                    formControlName="alarmComment"
                    (keyup.enter)="saveComment()"
                    (keydown.enter)="$event.preventDefault()">
          </textarea>
          <button mat-icon-button
                  type="button"
                  matSuffix
                  *ngIf="getAlarmCommentFormControl().value"
                  (click)="saveComment()">
            <mat-icon color="primary">
              send
            </mat-icon>
          </button>
        </mat-form-field>
      </div>
    </div>
  </ng-template>
</div>
