<template>
  <div class="login" :class="processClass">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title"> {{loginTitle}}</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          placeholder="请输入账号"
        >
          <svg-icon slot="prefix" icon-class="user-new" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="请输入密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password-new" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code-new" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="请输入验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <!-- <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox> -->
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;height: 64px;background: #5680FF;border-radius: 32px;font-size: 22px;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span>
    </div> -->
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginTitle: '',
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: ["change","blur"], message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: ["change","blur"], message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
      processClass: ''
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();

    // 根据环境切换名称和背景图
    this.loginTitle = process.env.VUE_APP_TITLE;
    if(process.env.NODE_ENV == 'development') { // 开发环境
      this.processClass = 'login-dev';
    } else if (process.env.NODE_ENV == 'staging') { // 测试环境
      this.processClass = 'login-stage';
    } else if (process.env.NODE_ENV == 'production') { // 生产环境
      this.processClass = 'login-prod';
      this.$set(this.loginForm, 'username', '');
      this.$set(this.loginForm, 'password', '');
    }
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        // this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        // if (this.captchaEnabled) {
        //   this.codeUrl =  res.data.captchaImage;
        //   this.loginForm.uuid = res.data.captchaKey;
        // }
        this.codeUrl =  res.data.captchaImage;
        this.loginForm.uuid = res.data.captchaKey;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  background-size: cover;
}
.login-prod{
  background-image: url("../assets/images/login-bg-img.png") !important;
}
.login-stage{
  background-image: url("../assets/images/login-bg-img.png") !important;
}
.login-dev{
  background-image: url("../assets/images/login-bg-img.png") !important;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  .el-form-item--mini.el-form-item{
    margin-bottom: 28px;
  }
  margin-right: 152px;
  border-radius: 15px;
  background: rgba(255,255,255,1);
  // width: 400px;
  padding: 93px 113px 90px 116px;
  .el-input {
    height: 58px;
    input {
      height: 58px;
      border-radius: 29px;
      padding-left: 65px;
      font-size: 14px;
      border-color: #DCE9FD;
      background-color: #F6F9FF;
    }
  }
  .input-icon {
    height: 25px;
    width: 22px;
  }
  .el-input__prefix{
    display: flex;
    align-items: center;
    left: 26px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  min-width: 102px;
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
    margin-top: 10px;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
@media screen and (max-width: 1200px) {
  .login{
    justify-content: center;
  }
  .login-form{
    margin-right: 0;
    padding: 24px;
  }
}
</style>
