<template>
  <div class="login" :style="'background-image:url(' + Background + ');'">
    <div class="headder">
      <h2>尾矿库数据在线监测系统</h2>
      <h4>ONLINE MONITORING SYSTEM FOR TAILINGS POND DATA</h4>
      <!-- <h2>边坡数据在线监测系统</h2>
			<h4>ONLINE MONITORING SYSTEM FOR SIDE SLOPE DATA</h4> -->
    </div>
    <div class="logo-place">
      <div class="logo-title">登录窗口</div>
      <h3 class="subtitle">欢迎登录后台系统</h3>
      <div class="ctn-place">
        <div class="inbox-range">
          <div class="ctn-fix">
            <el-form
              ref="loginForm"
              :model="loginForm"
              :rules="loginRules"
              label-position="left"
              label-width="0px"
              class="login-form"
            >
              <el-form-item prop="username">
                <el-input
                  v-model="loginForm.username"
                  type="text"
                  auto-complete="off"
                  placeholder="账号"
                >
                  <svg-icon
                    slot="prefix"
                    icon-class="user"
                    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="密码"
                  @keyup.enter.native="handleLogin"
                >
                  <svg-icon
                    slot="prefix"
                    icon-class="password"
                    class="el-input__icon input-icon"
                  />
                </el-input>
              </el-form-item>
              <!-- 
								<el-form-item prop="code">
								<el-input v-model="loginForm.code" auto-complete="off" placeholder="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">
								</div>
								</el-form-item>
							-->
              <el-form-item style="width:100%;">
                <el-button
                  :loading="loading"
                  size="medium"
                  type="primary"
                  style="width:100%;"
                  @click.native.prevent="handleLogin"
                >
                  <span v-if="!loading">登 录</span>
                  <span v-else>登 录 中...</span>
                </el-button>
              </el-form-item>
            </el-form>
          </div>
        </div>
      </div>
    </div>
    <!-- 底部 -->
    <div v-if="$store.state.settings.showFooter" id="el-login-footer">
      <span v-html="$store.state.settings.footerTxt" />
      <span> ⋅ </span>
      <!-- <a href="https://beian.miit.gov.cn/#/Integrated/index" target="_blank">{{ $store.state.settings.caseNumber }}</a> -->
      <span class="">技术支持：威海晶合数字矿山技术有限公司</span>
    </div>
  </div>
</template>

<script>
import Config from "@/settings";
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import qs from "qs";
import Background from "@/assets/images/login_bg.png";
import { encrypt } from "@/utils/rsaEncrypt";
import "@/assets/icons"; // icon

export default {
  name: "Login",
  data() {
    return {
      Background: Background,
      //Background:'',
      codeUrl: "",
      cookiePass: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" }
        ],
        code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        const data = route.query;
        if (data && data.redirect) {
          this.redirect = data.redirect;
          delete data.redirect;
          if (JSON.stringify(data) !== "{}") {
            this.redirect =
              this.redirect + "&" + qs.stringify(data, { indices: false });
          }
        }
      },
      immediate: true
    }
  },
  created() {
    // 获取验证码
    this.getCode();
    // 获取用户名密码等Cookie
    this.getCookie();
    // token 过期提示
    this.point();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      let password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      // 保存cookie里面的加密后的密码
      this.cookiePass = password === undefined ? "" : password;
      password = password === undefined ? this.loginForm.password : password;
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password,
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        code: ""
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        const user = {
          username: this.loginForm.username,
          password: this.loginForm.password,
          rememberMe: this.loginForm.rememberMe,
          code: this.loginForm.code,
          uuid: this.loginForm.uuid
        };
        if (user.password !== this.cookiePass) {
          user.password = encrypt(user.password);
        }

        if (valid) {
          this.loading = true;
          if (user.rememberMe) {
            Cookies.set("username", user.username, {
              expires: Config.passCookieExpires
            });
            Cookies.set("password", user.password, {
              expires: Config.passCookieExpires
            });
            Cookies.set("rememberMe", user.rememberMe, {
              expires: Config.passCookieExpires
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
            Cookies.remove("roles");
          }
          this.$store
            .dispatch("Login", user)
            .then(res => {
              this.loading = false;
              if (/* res.head.code !== '0000' */ res.code) {
                return this.$notify({
                  title: "提示",
                  message: res.msg,
                  type: "warning",
                  duration: 5000
                });
              }

              // let decodedData = decodeURIComponent(res.user);
              // let userData = JSON.parse(decodedData);

              Cookies.set("roles", res.user.user.roles[0].name);
              //this.$router.push({ path: this.redirect || '/' })
              window.location.href = this.redirect || "/";
            })
            .catch(err => {
              this.loading = false;
              this.getCode();
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    point() {
      const point = Cookies.get("point") !== undefined;
      if (point) {
        this.$notify({
          title: "提示",
          message: "当前登录状态已过期，请重新登录！",
          type: "warning",
          duration: 5000
        });
        Cookies.remove("point");
      }
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scope>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 100%;
  background-size: cover;
  position: relative;

  .headder {
    margin-bottom: 0.48rem;
    text-align: center;
    h2,
    h4 {
      margin: 0;
      padding: 0;
      line-height: 1;
      background-image: -webkit-linear-gradient(top, #fff, #a2deff, #23a5f9);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    h2 {
      font-size: 0.66rem;
      letter-spacing: 0.06rem;
    }
    h4 {
      margin-top: 0.2rem;
      font-size: 0.285rem;
    }
  }

  .logo-place {
    position: relative;
    width: 9.68rem;
    height: 5.56rem; /* margin:2.01rem auto 0; */
    background: no-repeat top center url("~@/assets/images/login_adorn1.png");
    background-size: 100% 100%;
  }

  .ctn-place {
    position: absolute;
    top: 1.61rem;
    right: 0.06rem;
    height: auto;
    width: 4.79rem;
    flex: 1;
    display: flex;

    .inbox-range {
      flex: 1;
      .ctn-fix {
        width: 3.8rem;
        margin: 0 auto;
      }
    }

    .login-form {
      .el-input {
        height: 0.58rem;
        min-height: 38px;
        input {
          height: 0.58rem;
          padding-left: 0.4rem;
          background-color: #1042a1 !important;
          color: #fff;
          border-color: #085fa2;
        }
      }
      .input-icon {
        height: 0.58rem;
        width: 0.24rem;
        margin-left: 0.02rem;
      }

      .el-form-item__content {
        line-height: 0.58rem;
      }

      .el-form-item {
        margin-bottom: 0.25rem;
        &:last-child {
          margin-bottom: 0;
        }
        .el-select {
          width: 100%;
        }
      }
    }
  }

  .logo-title {
    position: absolute;
    top: 0.15rem;
    left: 0;
    height: auto;
    width: 100%;
    text-align: center;
    cursor: default;
    font-size: 0.26rem;
    line-height: 1;
    letter-spacing: 10px;
    color: rgb(56, 230, 255);
    text-shadow: 0px 0px 2px rgb(56 230 255);
  }
  .subtitle {
    position: absolute;
    top: 0.91rem;
    left: 0;
    height: auto;
    width: 100%;
    text-align: center;
    cursor: default;
    font-size: 0.34rem;
    line-height: 1;
    letter-spacing: 10px;
    color: #b1edf8;
  }
}

.login-code {
  width: 33%;
  display: inline-block;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
</style>
