<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">{{ $t('login.title') }}</h3>
      <!-- <lang-select class="set-language" /> -->
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" :placeholder="$t('login.username')">
          <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="$t('login.password')"
          @keyup.enter.native="handleLogin">
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input v-model="loginForm.code" auto-complete="off" :placeholder="$t('login.code')" 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;">{{ $t('login.rememberMe')
      }}</el-checkbox> -->
      <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">{{ $t('login.logIn') }}</span>
          <span v-else>ログイン...</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 © 2024 netsdar.com All Rights Reserved.</span>
    </div>
  </div>
</template>

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

export default {
  name: "Login",
  components: { LangSelect },
  data() {
    return {
      codeUrl: "",
      loginForm: {
        // username: "admin",
        // password: "admin123",
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "ユーザ名を入力してください。" }
        ],
        password: [
          { required: true, trigger: "blur", message: "パスワードを入力してください。" }
        ],
        code: [{ required: true, trigger: "change", message: "コードを入力してください。" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$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: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff73;
  width: 400px;
  padding: 25px 25px 5px 25px;

  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  /* 添加半透明阴影 */
  transition: box-shadow 0.3s ease;
  /* 添加过渡效果，使阴影变化更平滑 */

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

// .login-form {
//   border-radius: 6px;
//   background: #ffffff;
//   width: 400px;
//   padding: 25px 25px 5px 25px;
//   box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加半透明阴影 */
//   transition: box-shadow 0.3s ease; /* 添加过渡效果，使阴影变化更平滑 */

//   &:hover {
//     box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2); /* 鼠标悬停时阴影加深，增强立体感 */
//   }

//   .el-input {
//     height: 38px;
//     background-color: #f9f9f9; /* 稍微改变背景色以增加输入框的立体感 */
//     border: 1px solid #ddd; /* 添加边框 */
//     border-radius: 4px; /* 圆角边框 */
//     box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1); /* 内阴影，增强立体感 */

//     input {
//       height: 100%; /* 确保输入框高度与父元素一致 */
//       border: none; /* 移除输入框的默认边框 */
//       outline: none; /* 移除输入框的默认轮廓 */
//     }
//   }

//   .input-icon {
//     height: 39px;
//     width: 14px;
//     margin-left: 2px;
//     opacity: 0.7; /* 稍微降低图标的不透明度，使其与背景更融合 */
//   }
// }

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.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;
}
</style>

<!-- 普通文本使用方式： {{ $t('login.title') }}
标签内使用方式：   :placeholder="$t('login.password')"
js内使用方式       this.$t('login.user.password.not.match') -->