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@license
Copyright (C) 2017 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="../../../bower_components/iron-selector/iron-selector.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../../styles/gr-voting-styles.html">
<link rel="import" href="../../../styles/shared-styles.html">

<dom-module id="gr-label-score-row">
  <template>
    <style include="gr-voting-styles"></style>
    <style include="shared-styles">
      .labelContainer {
        align-items: center;
        display: flex;
        margin-bottom: .5em;
      }
      .labelName {
        display: inline-block;
        flex: 0 0 auto;
        margin-right: .5em;
        min-width: 7em;
        text-align: left;
        width: 20%;
      }
      .labelMessage {
        color: var(--deemphasized-text-color);
      }
      .placeholder::before {
        content: ' ';
      }
      .selectedValueText {
        color: var(--deemphasized-text-color);
        font-style: italic;
        margin: 0 .5em 0 .5em;
      }
      .selectedValueText.hidden {
        display: none;
      }
      .buttonWrapper {
        flex: none;
      }
      gr-button {
        min-width: 40px;
        --gr-button: {
          background-color: var(--button-background-color, var(--table-header-background-color));
          color: var(--primary-text-color);
          padding: .2em .85em;
          @apply(--vote-chip-styles);
        }
      }
      gr-button.iron-selected.max {
        --button-background-color: var(--vote-color-approved);
      }
      gr-button.iron-selected.positive {
        --button-background-color: var(--vote-color-recommended);
      }
      gr-button.iron-selected.min {
        --button-background-color: var(--vote-color-rejected);
      }
      gr-button.iron-selected.negative {
        --button-background-color: var(--vote-color-disliked);
      }
      gr-button.iron-selected.neutral {
        --button-background-color: var(--vote-color-neutral);
      }
      .placeholder {
        display: inline-block;
        width: 40px;
      }
      @media only screen and (max-width: 50em) {
        .selectedValueText {
          display: none;
        }
      }
      @media only screen and (max-width: 25em) {
        .labelName {
          margin: 0;
          text-align: center;
          width: 100%;
        }
        .labelContainer {
          display: block;
        }
      }
    </style>
    <div class="labelContainer">
      <span class="labelName">[[label.name]]</span>
      <div class="buttonWrapper">
        <template is="dom-repeat"
            items="[[_computeBlankItems(permittedLabels, label.name, 'start')]]"
            as="value">
          <span class="placeholder" data-label$="[[label.name]]"></span>
        </template>
        <iron-selector
            attr-for-selected="value"
            selected="[[_computeLabelValue(labels, permittedLabels, label)]]"
            hidden$="[[!_computeAnyPermittedLabelValues(permittedLabels, label.name)]]"
            on-selected-item-changed="_setSelectedValueText">
          <template is="dom-repeat"
              items="[[_items]]"
              as="value">
            <gr-button
                class$="[[_computeButtonClass(value, index, _items.length)]]"
                has-tooltip
                name="[[label.name]]"
                value$="[[value]]"
                title$="[[_computeLabelValueTitle(labels, label.name, value)]]">
              [[value]]</gr-button>
          </template>
        </iron-selector>
        <template is="dom-repeat"
            items="[[_computeBlankItems(permittedLabels, label.name, 'end')]]"
            as="value">
          <span class="placeholder" data-label$="[[label.name]]"></span>
        </template>
        <span class="labelMessage"
            hidden$="[[_computeAnyPermittedLabelValues(permittedLabels, label.name)]]">
          You don't have permission to edit this label.
        </span>
      </div>
      <div class$="selectedValueText [[_computeHiddenClass(permittedLabels, label.name)]]">
        <span id="selectedValueLabel">[[_selectedValueText]]</span>
      </div>
    </div>
  </template>
  <script src="gr-label-score-row.js"></script>
</dom-module>