<template>
  <div class="login-container">
    <img class="build-img" src="~@/assets/login/build.png" alt="">
    <!--    <vue-particles color="#ffffff" :particleOpacity="0.7" :particlesNumber="80" shapeType="circle" :particleSize="4"-->
    <!--      linesColor="#ffffff" :linesWidth="1" :lineLinked="true" :lineOpacity="0.4" :linesDistance="150" :moveSpeed="3"-->
    <!--      :hoverEffect="true" hoverMode="grab" :clickEffect="true" clickMode="push"> </vue-particles>-->

    <!--    <img class="title-img" src="~@/assets/login/title.png" alt="">-->
    <el-form size="small" ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
             label-position="left">

      <div class="title-container">
        <h3 class="title">欢迎登录</h3>
      </div>

      <el-form-item prop="username">
        <div class="form-item">
          <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
          <el-input ref="username" v-model="loginForm.username" placeholder="请输入登录名" name="username" type="text"
                    tabindex="1" auto-complete="on" />
        </div>
      </el-form-item>

      <el-form-item prop="password">
        <div class="form-item">
          <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
          <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType"
                    placeholder="请输入密码" name="password" tabindex="2" auto-complete="on" @keyup.enter.native="handleLogin" />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </div>
      </el-form-item>

      <!--      <el-form-item prop="code">-->
      <!--        <div class="form-item">-->
      <!--          <span class="svg-container">-->
      <!--            <svg-icon icon-class="message" />-->
      <!--          </span>-->
      <!--          <el-input ref="username" v-model="loginForm.code" placeholder="请输入验证码" name="username" type="text"-->
      <!--                    tabindex="1" auto-complete="on" />-->
      <!--          <el-button class="msg-btn" :loading="msgLoading" type="primary" size="small" :disabled="isVer" @click="sendSms">发送验证{{ isVer ? ('（'+verTime+'）') : '' }}</el-button>-->
      <!--        </div>-->
      <!--      </el-form-item>-->

      <el-button :loading="loading" type="primary" class="login-btn"
                 @click.native.prevent="handleLogin">登录</el-button>


    </el-form>


    <footer class="copyright">
      版权所有：{{ copyright }}
    </footer>
  </div>
</template>

<script>
import {
  validUsername
} from '@/utils/validate'
import { login, getInfo } from "@/api/me";
const defaultSettings = require('../../../src/settings.js')
export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码输入错误'))
      } else {
        callback()
      }
    }
    return {
      title: "",
      loginForm: {
        username: '',
        password: '',
        //code: ''
      },
      loginRules: {
        username: [{
          required: true,
          trigger: 'blur'
        }],
        password: [{
          required: true,
          trigger: 'blur',
          validator: validatePassword
        }],
        // code: [
        //   {
        //     required: true,
        //     trigger: 'blur',
        //     message: '请输入验证码',
        //     validator: (rule, value, callback) => {
        //       if (value.length !== 4) {
        //         callback(new Error('验证码输入错误'))
        //       } else {
        //         callback()
        //       }
        //     }
        //   }
        // ]
      },
      msgLoading: false,
      loading: false,
      passwordType: 'password',
      redirect: undefined,

      verTime: 60,
      isVer: false,
      temp: {
        mobile: "",
        token: ""
      }
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.title = defaultSettings.title;
    this.copyright = defaultSettings.copyright;
  },
  methods: {
    async sendSms () {
      if (this.isVer) return;

      if (this.loginForm.username) {
        this.msgLoading = true;
        try {
          await sendSms({
            username: this.loginForm.username
          })
          this.isVer = true;
          this.verTime = 60;
          this.$message({
            message: '验证码已发送',
            type:'success'
          })
          let timer = setInterval(() => {
            this.verTime--;
            if (this.verTime <= 0) {
              this.isVer = false;
              clearInterval(timer);
            }
          }, 1000);
          this.msgLoading = false;
        } catch (e) {
          this.msgLoading = false;
        }
      } else {
        this.$message({
          message: '请输入登录名',
          type: 'warning'
        })
      }
    },

    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    //处理登录
    async handleLogin() {
      this.$refs.loginForm.validate(async(valid) => {
        if (valid) {

          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {

            this.$router.push({
              path: this.redirect || '/'
            })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
#particles-js {
  width: 100%;
  height: 99%;
  position: absolute;
}

/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#122583;
$light_gray:#122583;
$cursor: #122583;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */

.login-container {
  .el-input {
    flex: 1;
    display: inline-block;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 4px 5px 4px 15px;
      color: $light_gray;
      caret-color: $cursor;

      &:-webkit-autofill {
        //box-shadow: 0 0 0px 1000px $bg inset !important;
        //-webkit-text-fill-color: $cursor !important;
      }
    }
  }
}
</style>

<style lang="scss" scoped>
$bg:#122583;
$dark_gray:#122583;
$light_gray:#122583;

.build-img {
  position: absolute;
  width: 36.5vw;
  object-fit: contain;
  top: 50%;
  transform: translateY(-50%);
  left: 10.2%;
}
.title-img {
  display: block;
  width: 44.64vw;
  object-fit: contain;
  margin: 16.11vh auto 0;
}
.form-item {
  height: 3vw;
  width: 86.4%;
  margin: auto;
  border-radius: 8px;
  background-color: #f4f4f4;
  filter: drop-shadow(0 0 1px #cdcdcd);
  display: flex;
  align-items: center;
}
.login-container {
  height: 100%;
  width: 100%;
  background: url("~@/assets/login/bkg.png") no-repeat;
  background-size: cover;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 28.7vw;
    margin: 50vh 10.2vw 0 auto;
    transform: translateY(-50%);
    overflow: hidden;
    border-radius: 10px;
    box-shadow: inset 0 0 4px rgb(255,255,255,0.8);
    filter: drop-shadow(0 0 7px rgba(0,0,0,0.2));
    background-color: rgba(255,255,255,0.2);
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    margin-bottom: 2vw;

    .title {
      text-align: center;
      font-size: 1.7vw;
      letter-spacing: 4px;
      color: #ffffff;
      padding: 1.41vw 0 1.2vw;
      position: relative;

      &::after {
        content: "";
        width: 100%;
        height: 1px;
        background: linear-gradient(to right, #fff0 20%, #fff, #fff0 80%);

        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
      }
    }
  }

  .show-pwd {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translate(0, -50%);
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .msg-btn {
    border-radius: 0 8px 8px 0;
    height: 100%;
    background-image: linear-gradient(90deg, #1d57da 0%, #1d57da 0%, #4185c5 100%);
  }
  .login-btn {
    width: 86.4%;
    height: 3vw;
    border-radius: 8px;
    padding: 0;
    background-image: linear-gradient(90deg, #1d57da 0%, #1d57da 0%, #05a658 100%);
    display: block;
    margin: auto auto 3.2vw;
    font-size: 1.21vw;
    letter-spacing: 3px;
    color: #ffffff;
  }
}
::v-deep .el-form-item--small.el-form-item {
  margin-bottom: 1.5vw;
}
.copyright {
  width: 100%;
  text-align: center;
  color: #fff;
  line-height: 16px;
  font-size: 16px;

  position: absolute;
  left: 0;
  bottom: 6vh;
}

::v-deep .el-form-item__error {
  left: 6.8%;
}
@media (max-width: 960px) {
  .title-img {
    display: none;
  }
  .login-container .login-form {
    max-width: 420px;
    width: 78%;
    margin: auto;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
  }
  .login-container .title-container .title {
    font-size: 15px;
  }
  .form-item {
    height: 40px;
    margin-bottom: 12px;
  }
  .login-container .login-btn {
    height: 40px;
    font-size: 14px;
  }
  ::v-deep .el-form-item__error {
    bottom: 0;
    top: auto;
  }
}
</style>
