<!--
@license
Copyright (C) 2015 The Android Open Source Project

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,
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<link rel="import" href="/bower_components/polymer/polymer.html">
<link rel="import" href="../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.html">
<link rel="import" href="/bower_components/iron-autogrow-textarea/iron-autogrow-textarea.html">
<link rel="import" href="../../../behaviors/fire-behavior/fire-behavior.html">
<link rel="import" href="../../../styles/shared-styles.html">
<link rel="import" href="../../core/gr-reporting/gr-reporting.html">
<link rel="import" href="../../plugins/gr-endpoint-decorator/gr-endpoint-decorator.html">
<link rel="import" href="../../plugins/gr-endpoint-param/gr-endpoint-param.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../shared/gr-dialog/gr-dialog.html">
<link rel="import" href="../../shared/gr-date-formatter/gr-date-formatter.html">
<link rel="import" href="../../shared/gr-formatted-text/gr-formatted-text.html">
<link rel="import" href="../../shared/gr-icons/gr-icons.html">
<link rel="import" href="../../shared/gr-overlay/gr-overlay.html">
<link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
<link rel="import" href="../../shared/gr-storage/gr-storage.html">
<link rel="import" href="../../shared/gr-textarea/gr-textarea.html">
<link rel="import" href="../../shared/gr-tooltip-content/gr-tooltip-content.html">
<link rel="import" href="../gr-confirm-delete-comment-dialog/gr-confirm-delete-comment-dialog.html">
<script src="../../../scripts/rootElement.js"></script>

<dom-module id="gr-comment">
  <template>
    <style include="shared-styles">
      :host {
        display: block;
        font-family: var(--font-family);
        padding: var(--spacing-m);
        --iron-autogrow-textarea: {
          box-sizing: border-box;
          padding: 2px;
        };
      }
      :host([disabled]) {
        pointer-events: none;
      }
      :host([disabled]) .actions,
      :host([disabled]) .robotActions,
      :host([disabled]) .date {
        opacity: .5;
      }
      :host([discarding]) {
        display: none;
      }
      .header {
        align-items: baseline;
        cursor: pointer;
        display: flex;
        margin: calc(0px - var(--spacing-m)) calc(0px - var(--spacing-m)) 0 calc(0px - var(--spacing-m));
        padding: var(--spacing-m);
      }
      .container.collapsed .header {
        margin-bottom: calc(0 - var(--spacing-m));
      }
      .headerMiddle {
        color: var(--deemphasized-text-color);
        flex: 1;
        overflow: hidden;
      }
      .draftLabel,
      .draftTooltip {
        color: var(--deemphasized-text-color);
        display: none;
      }
      .date {
        justify-content: flex-end;
        margin-left: 5px;
        min-width: 4.5em;
        text-align: right;
        white-space: nowrap;
      }
      span.date {
        color: var(--deemphasized-text-color);
      }
      span.date:hover {
        text-decoration: underline;
      }
      .actions {
        display: flex;
        justify-content: flex-end;
        padding-top: 0;
      }
      .action {
        margin-left: var(--spacing-l);
      }
      .robotActions {
        display: flex;
        justify-content: flex-start;
        padding-top: var(--spacing-m);
        border-top: 1px solid var(--border-color);
      }
      .robotActions .action {
        /* Keep button text lined up with output text */
        margin-left: -4px;
        margin-right: var(--spacing-l);
      }
      .rightActions {
        display: flex;
        justify-content: flex-end;
      }
      .rightActions gr-button {
        --gr-button: {
          height: 20px;
          padding: 0 var(--spacing-s);
          color: var(--default-button-text-color);
        }
      }
      .editMessage {
        display: none;
        margin: var(--spacing-m) 0;
        width: 100%;
      }
      .container:not(.draft) .actions .hideOnPublished {
        display: none;
      }
      .draft .reply,
      .draft .quote,
      .draft .ack,
      .draft .done {
        display: none;
      }
      .draft .draftLabel,
      .draft .draftTooltip {
        display: inline;
      }
      .draft:not(.editing) .save,
      .draft:not(.editing) .cancel {
        display: none;
      }
      .editing .message,
      .editing .reply,
      .editing .quote,
      .editing .ack,
      .editing .done,
      .editing .edit,
      .editing .discard,
      .editing .unresolved {
        display: none;
      }
      .editing .editMessage {
        display: block;
      }
      .show-hide {
        margin-left: var(--spacing-s);
      }
      .robotId {
        color: var(--deemphasized-text-color);
        margin-bottom: var(--spacing-m);
        margin-top: -.4em;
      }
      .robotIcon {
        margin-right: var(--spacing-xs);
        /* because of the antenna of the robot, it looks off center even when it
         is centered. artificially adjust margin to account for this. */
        margin-top: -4px;
      }
      .runIdInformation {
        margin: var(--spacing-m) 0;
      }
      .robotRun {
        margin-left: var(--spacing-m);
      }
      .robotRunLink {
        margin-left: var(--spacing-m);
      }
      input.show-hide {
        display: none;
      }
      label.show-hide {
        cursor: pointer;
        display: block;
      }
      label.show-hide iron-icon {
        vertical-align: top;
      }
      #container .collapsedContent {
        display: none;
      }
      #container.collapsed {
        padding-bottom: 3px;
      }
      #container.collapsed .collapsedContent {
        display: block;
        overflow: hidden;
        padding-left: 5px;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      #container.collapsed .actions,
      #container.collapsed gr-formatted-text,
      #container.collapsed gr-textarea {
        display: none;
      }
      .resolve,
      .unresolved {
        align-items: center;
        display: flex;
        flex: 1;
        margin: 0;
      }
      .resolve label {
        color: var(--comment-text-color);
      }
      gr-dialog .main {
        display: flex;
        flex-direction: column;
        width: 100%;
      }
      #deleteBtn {
        display: none;
        --gr-button: {
          color: var(--deemphasized-text-color);
          padding: 0;
        }
      }
      #deleteBtn.showDeleteButtons {
        display: block;
      }

      /** Disable select for the caret and actions */
      .actions,
      .show-hide {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
      }

    </style>
    <div id="container" class="container">
      <div class="header" id="header" on-click="_handleToggleCollapsed">
        <div class="headerLeft">
          <span class="authorName">[[comment.author.name]]</span>
          <span class="draftLabel">DRAFT</span>
          <gr-tooltip-content class="draftTooltip"
              has-tooltip
              title="This draft is only visible to you. To publish drafts, click the 'Reply' or 'Start review' button at the top of the change or press the 'A' key."
              max-width="20em"
              show-icon></gr-tooltip-content>
        </div>
        <div class="headerMiddle">
          <span class="collapsedContent">[[comment.message]]</span>
        </div>
        <gr-button
            id="deleteBtn"
            link
            secondary
            class$="action delete [[_computeDeleteButtonClass(_isAdmin, draft)]]"
            on-click="_handleCommentDelete">
          (Delete)
        </gr-button>
        <span class="date" on-click="_handleAnchorClick">
          <gr-date-formatter
              has-tooltip
              date-str="[[comment.updated]]"></gr-date-formatter>
        </span>
        <div class="show-hide">
          <label class="show-hide">
            <input type="checkbox" class="show-hide"
               checked$="[[collapsed]]"
               on-change="_handleToggleCollapsed">
            <iron-icon
                id="icon"
                icon="[[_computeShowHideIcon(collapsed)]]">
            </iron-icon>
          </label>
        </div>
      </div>
      <div class="body">
        <template is="dom-if" if="[[comment.robot_id]]">
          <div class="robotId" hidden$="[[collapsed]]">
            <iron-icon class="robotIcon" icon="gr-icons:robot"></iron-icon>
            [[comment.robot_id]]
          </div>
        </template>
        <template is="dom-if" if="[[editing]]">
          <gr-textarea
              id="editTextarea"
              class="editMessage"
              autocomplete="on"
              code
              disabled="{{disabled}}"
              rows="4"
              text="{{_messageText}}"></gr-textarea>
        </template>
        <!--The message class is needed to ensure selectability from
        gr-diff-selection.-->
        <gr-formatted-text class="message"
            content="[[comment.message]]"
            no-trailing-margin="[[!comment.__draft]]"
            config="[[projectConfig.commentlinks]]"></gr-formatted-text>
        <div hidden$="[[!comment.robot_run_id]]" class="message">
          <div class="runIdInformation" hidden$="[[collapsed]]">
            Run ID:
            <template is="dom-if" if="[[comment.url]]">
              <a class="robotRunLink" href$="[[comment.url]]">
                <span class="robotRun link">[[comment.robot_run_id]]</span>
              </a>
            </template>
            <template is="dom-if" if="[[!comment.url]]">
              <span class="robotRun text">[[comment.robot_run_id]]</span>
            </template>
          </div>
        </div>
        <div class="actions humanActions" hidden$="[[!_showHumanActions]]">
          <div class="action resolve hideOnPublished">
            <label>
              <input type="checkbox"
                  id="resolvedCheckbox"
                  checked="[[resolved]]"
                  on-change="_handleToggleResolved">
              Resolved
            </label>
          </div>
          <div class="rightActions">
            <gr-button
                link
                secondary
                class="action cancel hideOnPublished"
                on-click="_handleCancel">Cancel</gr-button>
            <gr-button
                link
                secondary
                class="action discard hideOnPublished"
                on-click="_handleDiscard">Discard</gr-button>
            <gr-button
                link
                secondary
                class="action edit hideOnPublished"
                on-click="_handleEdit">Edit</gr-button>
            <gr-button
                link
                secondary
                disabled$="[[_computeSaveDisabled(_messageText, comment, resolved)]]"
                class="action save hideOnPublished"
                on-click="_handleSave">Save</gr-button>
          </div>
        </div>
        <div class="robotActions" hidden$="[[!_showRobotActions]]">
          <template is="dom-if" if="[[isRobotComment]]">
            <template is="dom-if" if="[[!_hasHumanReply]]">
              <gr-button
                  link
                  secondary
                  class="action fix"
                  on-click="_handleFix"
                  disabled="[[robotButtonDisabled]]">
                Please Fix
              </gr-button>
            </template>
            <gr-endpoint-decorator name="robot-comment-controls">
              <gr-endpoint-param name="comment" value="[[comment]]">
              </gr-endpoint-param>
            </gr-endpoint-decorator>
          </template>
        </div>
      </div>
    </div>
    <template is="dom-if" if="[[_enableOverlay]]">
      <gr-overlay id="confirmDeleteOverlay" with-backdrop>
        <gr-confirm-delete-comment-dialog id="confirmDeleteComment"
            on-confirm="_handleConfirmDeleteComment"
            on-cancel="_handleCancelDeleteComment">
        </gr-confirm-delete-comment-dialog>
      </gr-overlay>
      <gr-overlay id="confirmDiscardOverlay" with-backdrop>
        <gr-dialog
            id="confirmDiscardDialog"
            confirm-label="Discard"
            confirm-on-enter
            on-confirm="_handleConfirmDiscard"
            on-cancel="_closeConfirmDiscardOverlay">
          <div class="header" slot="header">
            Discard comment
          </div>
          <div class="main" slot="main">
            Are you sure you want to discard this draft comment?
          </div>
        </gr-dialog>
      </gr-overlay>
    </template>
    <gr-rest-api-interface id="restAPI"></gr-rest-api-interface>
    <gr-storage id="storage"></gr-storage>
    <gr-reporting id="reporting"></gr-reporting>
  </template>
  <script src="gr-comment.js"></script>
</dom-module>