<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
    <div style="text-align:center;margin-bottom:8px">
      <!-- <img class="logo" src="../../assets/logo.png" /> -->
    </div>
      <div class="title-container">
        <h3 class="title">辐射学堂后台管理</h3>
      </div>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="账号"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="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>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
        >登陆</el-button
      >

      <!-- <div class="tips">
        <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span>
      </div> -->
    </el-form>
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'

export default {
  name: "Login",
  data() {
    // const validateUsername = (rule, value, callback) => {
    //   if (!validUsername(value)) {
    //     callback(new Error('请输入正确账号!'))
    //   } else {
    //     callback()
    //   }
    // }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 4) {
        callback(new Error("密码长度小于4位!"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "",
        password: "",
      },
      loginRules: {
        username: [{ required: true, trigger: "blur", message: "请输入账户" }],
        password: [
          {
            required: true,
            trigger: "blur",
            validator: validatePassword,
            message: "请输入密码",
          },
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("user/login", this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || "/crm/consumer" });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
  },
};
</script>

<style lang="scss">
/* 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: #283443;
$light_gray: #fff;
$cursor: #fff;

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      // color: $light_gray;
      height: 47px;
      // caret-color: $cursor;

      // &:-webkit-autofill {
      //   box-shadow: 0 0 0px 1000px inset !important;
      // }
    }
  }

  .el-form-item {
    border: 1px solid;
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../../assets/background.jpg");
  background-size: cover;
  .login-form {
    border-radius: 6px;
    background: #ffffff;
    padding: 25px 25px 5px 25px;
    width: 400px;
    .logo {
      width: 350px;
      height: 140px;
    }
  }

  .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;

    .title {
      font-size: 26px;
      color: #0174d7;
      margin: 0px auto 20px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    // color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
