{{ template "page/head_start" .}}
<style>
  html * {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  h1 {
    text-align: center;
    /*margin: 20px 0 50px 0;*/
    height: 110px;
  }

  .ant-form-item-children .ant-btn,
  .ant-input {
    height: 50px;
    border-radius: 30px;
  }

  .ant-input-group-addon {
    border-radius: 0 30px 30px 0;
    width: 50px;
    font-size: 18px;
  }

  .ant-input-affix-wrapper .ant-input-prefix {
    left: 23px;
  }

  .ant-input-affix-wrapper .ant-input:not(:first-child) {
    padding-left: 50px;
  }

  .centered {
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    width: 100%;
  }

  .title {
    font-size: 2rem;
    margin-block-end: 2rem;
  }

  .title b {
    font-weight: bold !important;
  }

  #app {
    overflow: hidden;
  }

  #login {
    animation: charge 0.5s both;
    background-color: #fff;
    border-radius: 2rem;
    padding: 4rem 3rem;
    transition: all 0.3s;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
  }

  #login:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
  }

  @keyframes charge {
    from {
      transform: translateY(5rem);
      opacity: 0;
    }

    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  .under {
    background-color: #c7ebe2;
    z-index: 0;
  }

  .dark .under {
    background-color: var(--dark-color-login-wave);
  }

  .dark #login {
    background-color: var(--dark-color-surface-100);
  }

  .dark h1 {
    color: rgba(255, 255, 255);
  }

  .ant-btn-primary-login {
    width: 100%;
  }

  .ant-btn-primary-login:focus,
  .ant-btn-primary-login:hover {
    color: #fff;
    background-color: #006655;
    border-color: #006655;
    background-image: linear-gradient(270deg,
        rgba(123, 199, 77, 0) 30%,
        #009980,
        rgba(123, 199, 77, 0) 100%);
    background-repeat: no-repeat;
    animation: ma-bg-move ease-in-out 5s infinite;
    background-position-x: -500px;
    width: 95%;
    animation-delay: -0.5s;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
  }

  .ant-btn-primary-login.active,
  .ant-btn-primary-login:active {
    color: #fff;
    background-color: #006655;
    border-color: #006655;
  }

  @keyframes ma-bg-move {
    0% {
      background-position: -500px 0;
    }

    50% {
      background-position: 1000px 0;
    }

    100% {
      background-position: 1000px 0;
    }
  }

  .wave-btn-bg {
    position: relative;
    border-radius: 25px;
    width: 100%;
    transition: all 0.3s cubic-bezier(.645, .045, .355, 1);
  }

  .dark .wave-btn-bg {
    color: #fff;
    position: relative;
    background-color: #0a7557;
    border: 2px double transparent;
    background-origin: border-box;
    background-clip: padding-box, border-box;
    background-size: 300%;
    width: 100%;
    z-index: 1;
  }

  .dark .wave-btn-bg:hover {
    animation: wave-btn-tara 4s ease infinite;
  }

  .dark .wave-btn-bg-cl {
    background-image: linear-gradient(rgba(13, 14, 33, 0), rgba(13, 14, 33, 0)),
      radial-gradient(circle at left top, #006655, #009980, #006655) !important;
    border-radius: 3em;
  }

  .dark .wave-btn-bg-cl:hover {
    width: 95%;
  }

  .dark .wave-btn-bg-cl:before {
    position: absolute;
    content: "";
    top: -5px;
    left: -5px;
    bottom: -5px;
    right: -5px;
    z-index: -1;
    background: inherit;
    background-size: inherit;
    border-radius: 4em;
    opacity: 0;
    transition: 0.5s;
  }

  .dark .wave-btn-bg-cl:hover::before {
    opacity: 1;
    filter: blur(20px);
    animation: wave-btn-tara 8s linear infinite;
  }

  @keyframes wave-btn-tara {
    to {
      background-position: 300%;
    }
  }

  .dark .ant-btn-primary-login {
    font-size: 14px;
    color: #fff;
    text-align: center;
    background-image: linear-gradient(rgba(13, 14, 33, 0.45),
        rgba(13, 14, 33, 0.35));
    border-radius: 2rem;
    border: none;
    outline: none;
    background-color: transparent;
    height: 46px;
    position: relative;
    white-space: nowrap;
    cursor: pointer;
    touch-action: manipulation;
    padding: 0 15px;
    width: 100%;
    animation: none;
    background-position-x: 0;
    box-shadow: none;
  }

  .waves-header {
    position: fixed;
    width: 100%;
    text-align: center;
    background-color: #dbf5ed;
    color: white;
    z-index: -1;
  }

  .dark .waves-header {
    background-color: var(--dark-color-login-background);
  }

  .waves-inner-header {
    height: 50vh;
    width: 100%;
    margin: 0;
    padding: 0;
  }

  .waves {
    position: relative;
    width: 100%;
    height: 15vh;
    margin-bottom: -8px;
    /*Fix for safari gap*/
    min-height: 100px;
    max-height: 150px;
  }

  .parallax>use {
    animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
  }

  .dark .parallax>use {
    fill: var(--dark-color-login-wave);
  }

  .parallax>use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 4s;
    opacity: 0.2;
  }

  .parallax>use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 7s;
    opacity: 0.4;
  }

  .parallax>use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 10s;
    opacity: 0.6;
  }

  .parallax>use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 13s;
  }

  @keyframes move-forever {
    0% {
      transform: translate3d(-90px, 0, 0);
    }

    100% {
      transform: translate3d(85px, 0, 0);
    }
  }

  @media (max-width: 768px) {
    .waves {
      height: 40px;
      min-height: 40px;
    }
  }

  .words-wrapper {
    width: 100%;
    display: inline-block;
    position: relative;
    text-align: center;
  }

  .words-wrapper b {
    width: 100%;
    display: inline-block;
    position: absolute;
    left: 0;
    top: 0;
  }

  .words-wrapper b.is-visible {
    position: relative;
  }

  .headline.zoom .words-wrapper {
    -webkit-perspective: 300px;
    -moz-perspective: 300px;
    perspective: 300px;
  }

  .headline {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .headline.zoom b {
    opacity: 0;
  }

  .headline.zoom b.is-visible {
    opacity: 1;
    -webkit-animation: zoom-in 0.8s;
    -moz-animation: zoom-in 0.8s;
    animation: cubic-bezier(0.215, 0.610, 0.355, 1.000) zoom-in 0.8s;
  }

  .headline.zoom b.is-hidden {
    -webkit-animation: zoom-out 0.8s;
    -moz-animation: zoom-out 0.8s;
    animation: cubic-bezier(0.215, 0.610, 0.355, 1.000) zoom-out 0.4s;
  }

  @-webkit-keyframes zoom-in {
    0% {
      opacity: 0;
      -webkit-transform: translateZ(100px);
    }

    100% {
      opacity: 1;
      -webkit-transform: translateZ(0);
    }
  }

  @-moz-keyframes zoom-in {
    0% {
      opacity: 0;
      -moz-transform: translateZ(100px);
    }

    100% {
      opacity: 1;
      -moz-transform: translateZ(0);
    }
  }

  @keyframes zoom-in {
    0% {
      opacity: 0;
      -webkit-transform: translateZ(100px);
      -moz-transform: translateZ(100px);
      -ms-transform: translateZ(100px);
      -o-transform: translateZ(100px);
      transform: translateZ(100px);
    }

    100% {
      opacity: 1;
      -webkit-transform: translateZ(0);
      -moz-transform: translateZ(0);
      -ms-transform: translateZ(0);
      -o-transform: translateZ(0);
      transform: translateZ(0);
    }
  }

  @-webkit-keyframes zoom-out {
    0% {
      opacity: 1;
      -webkit-transform: translateZ(0);
    }

    100% {
      opacity: 0;
      -webkit-transform: translateZ(-100px);
    }
  }

  @-moz-keyframes zoom-out {
    0% {
      opacity: 1;
      -moz-transform: translateZ(0);
    }

    100% {
      opacity: 0;
      -moz-transform: translateZ(-100px);
    }
  }

  @keyframes zoom-out {
    0% {
      opacity: 1;
      -webkit-transform: translateZ(0);
      -moz-transform: translateZ(0);
      -ms-transform: translateZ(0);
      -o-transform: translateZ(0);
      transform: translateZ(0);
    }

    100% {
      opacity: 0;
      -webkit-transform: translateZ(-100px);
      -moz-transform: translateZ(-100px);
      -ms-transform: translateZ(-100px);
      -o-transform: translateZ(-100px);
      transform: translateZ(-100px);
    }
  }

  .setting-section {
    position: absolute;
    top: 0;
    right: 0;
    padding: 22px;
  }

  .ant-space-item .ant-switch {
    margin: 2px 0 4px;
  }
</style>
{{ template "page/head_end" .}}

{{ template "page/body_start" .}}
<a-layout id="app" v-cloak :class="themeSwitcher.currentTheme">
  <transition name="list" appear>
    <a-layout-content class="under" :style="{ minHeight: '0' }">
      <div class="waves-header">
        <div class="waves-inner-header"></div>
        <svg class="waves" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
          viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto">
          <defs>
            <path id="gentle-wave" d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z" />
          </defs>
          <g class="parallax">
            <use xlink:href="#gentle-wave" x="48" y="0" fill="rgba(0, 135, 113, 0.08)" />
            <use xlink:href="#gentle-wave" x="48" y="3" fill="rgba(0, 135, 113, 0.08)" />
            <use xlink:href="#gentle-wave" x="48" y="5" fill="rgba(0, 135, 113, 0.08)" />
            <use xlink:href="#gentle-wave" x="48" y="7" fill="#c7ebe2" />
          </g>
        </svg>
      </div>
      <a-row type="flex" justify="center" align="middle"
        :style="{ height: '100%', overflow: 'auto', overflowX: 'hidden' }">
        <a-col :xs="22" :sm="12" :md="10" :lg="8" :xl="6" :xxl="5" id="login" :style="{ margin: '3rem 0' }">
          <template v-if="!loadingStates.fetched">
            <div :style="{ textAlign: 'center' }">
              <a-spin size="large" />
            </div>
          </template>
          <template v-else>
            <div class="setting-section">
              <a-popover :overlay-class-name="themeSwitcher.currentTheme" title='{{ i18n "menu.settings" }}'
                placement="bottomRight" trigger="click">
                <template slot="content">
                  <a-space direction="vertical" :size="10">
                    <a-theme-switch-login></a-theme-switch-login>
                    <span>{{ i18n "pages.settings.language" }}</span>
                    <a-select ref="selectLang" :style="{ width: '100%' }" v-model="lang"
                      @change="LanguageManager.setLanguage(lang)" :dropdown-class-name="themeSwitcher.currentTheme">
                      <a-select-option :value="l.value" label="English" v-for="l in LanguageManager.supportedLanguages">
                        <span role="img" aria-label="l.name" v-text="l.icon"></span>
                        &nbsp;&nbsp;<span v-text="l.name"></span>
                      </a-select-option>
                    </a-select>
                  </a-space>
                </template>
                <a-button shape="circle" icon="setting"></a-button>
              </a-popover>
            </div>
            <a-row type="flex" justify="center">
              <a-col :style="{ width: '100%' }">
                <h2 class="title headline zoom">
                  <span class="words-wrapper">
                    <!-- 第一帧：上下两行组成整体 -->
                    <b class="is-visible">
                    <div>〔X-Panel〕</div>
                    <div>{{ i18n "pages.login.XPanelSystem" }}</div>
                    </b>
                    <!-- 第二帧：单独一行 -->
                    <b>
                    <div>{{ i18n "pages.login.title" }}</div>
                    </b>
                  </span>
                </h2>
              </a-col>
            </a-row>
            <a-row type="flex" justify="center">
              <a-col span="24">
                <a-form @submit.prevent="login">
                  <a-space direction="vertical" size="middle">
                    <a-form-item>
                      <a-input autocomplete="username" name="username" v-model.trim="user.username"
                        placeholder='{{ i18n "username" }}' autofocus required>
                        <a-icon slot="prefix" type="user" :style="{ fontSize: '1rem' }"></a-icon>
                      </a-input>
                    </a-form-item>
                    <a-form-item>
                      <a-input-password autocomplete="password" name="password" v-model.trim="user.password"
                        placeholder='{{ i18n "password" }}' required>
                        <a-icon slot="prefix" type="lock" :style="{ fontSize: '1rem' }"></a-icon>
                      </a-input-password>
                    </a-form-item>
                    <a-form-item v-if="twoFactorEnable">
                      <a-input autocomplete="one-time-code" name="twoFactorCode" v-model.trim="user.twoFactorCode"
                        placeholder='{{ i18n "twoFactorCode" }}' required>
                        <a-icon slot="prefix" type="key" :style="{ fontSize: '1rem' }"></a-icon>
                      </a-input>
                    </a-form-item>
                    <a-form-item>
                      <a-row justify="center" class="centered">
                        <div
                          :style="{ height: '50px', marginTop: '1rem', ...loadingStates.spinning ? { width: '52px' } : { display: 'inline-block' } }"
                          class="wave-btn-bg wave-btn-bg-cl">
                          <a-button class="ant-btn-primary-login" type="primary" :loading="loadingStates.spinning"
                            :icon="loadingStates.spinning ? 'poweroff' : undefined" html-type="submit">
                            [[ loadingStates.spinning ? '' : '{{ i18n "login" }}' ]]
                          </a-button>
                        </div>
                      </a-row>
                    </a-form-item>
                  </a-space>
                </a-form>
              </a-col>
            </a-row>
          </template>
        </a-col>
      </a-row>
    </a-layout-content>
  </transition>
</a-layout>
{{template "page/body_scripts" .}}
{{template "component/aThemeSwitch" .}}
<script>
  const app = new Vue({
    delimiters: ['[[', ']]'],
    el: '#app',
    data: {
      themeSwitcher,
      loadingStates: {
        fetched: false,
        spinning: false
      },
      user: {
        username: "",
        password: "",
        twoFactorCode: ""
      },
      twoFactorEnable: false,
      lang: ""
    },
    async mounted() {
      this.lang = LanguageManager.getLanguage();
      this.twoFactorEnable = await this.getTwoFactorEnable();
    },
    methods: {
      async login() {
        this.loadingStates.spinning = true;

        const msg = await HttpUtil.post('/login', this.user);

        if (msg.success) {
          location.href = basePath + 'panel/';
        }

        this.loadingStates.spinning = false;
      },
      async getTwoFactorEnable() {
        const msg = await HttpUtil.post('/getTwoFactorEnable');

        if (msg.success) {
          this.twoFactorEnable = msg.obj;
          this.loadingStates.fetched = true;

          return msg.obj;
        }
      },
    },
  });

  document.addEventListener("DOMContentLoaded", function () {
    var animationDelay = 2000;
    initHeadline();

    function initHeadline() {
      animateHeadline(document.querySelectorAll('.headline'));
    }

    function animateHeadline(headlines) {
      var duration = animationDelay;
      headlines.forEach(function (headline) {
        setTimeout(function () {
          hideWord(headline.querySelector('.is-visible'));
        }, duration);
      });
    }

    function hideWord(word) {
      var nextWord = takeNext(word);
      switchWord(word, nextWord);
      setTimeout(function () {
        hideWord(nextWord);
      }, animationDelay);
    }

    function takeNext(word) {
      return word.nextElementSibling ? word.nextElementSibling : word.parentElement.firstElementChild;
    }

    function switchWord(oldWord, newWord) {
      oldWord.classList.remove('is-visible');
      oldWord.classList.add('is-hidden');
      newWord.classList.remove('is-hidden');
      newWord.classList.add('is-visible');
    }
  });
</script>
{{ template "page/body_end" .}}