<template>
  <div class="aui-wrapper aui-page__login">
    <div class="aui-content__wrapper">
      <main class="aui-content">
        <div class="login-header">
          <h2 class="login-brand">{{ $t('brand.lg') }}</h2>
        </div>
        <div class="login-body">
          <h3 class="login-title">{{ $t('login.title') }}</h3>
          <el-form
            :model="dataForm"
            :rules="dataRule"
            ref="dataForm"
            @keyup.enter.native="dataFormSubmitHandle()"
            status-icon
          >
            <el-form-item>
              <el-select
                v-model="$i18n.locale"
                class="w-percent-100"
              >
                <el-option
                  v-for="(val, key) in i18nMessages"
                  :key="key"
                  :label="val._lang"
                  :value="key"
                ></el-option>
              </el-select>
            </el-form-item>
            <el-form-item prop="username">
              <el-input
                v-model="dataForm.username"
                :placeholder="$t('login.username')"
              >
                <span
                  slot="prefix"
                  class="el-input__icon"
                >
                  <svg
                    class="icon-svg"
                    aria-hidden="true"
                  >
                    <use xlink:href="#icon-user"></use>
                  </svg>
                </span>
              </el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input
                v-model="dataForm.password"
                type="password"
                :placeholder="$t('login.password')"
              >
                <span
                  slot="prefix"
                  class="el-input__icon"
                >
                  <svg
                    class="icon-svg"
                    aria-hidden="true"
                  >
                    <use xlink:href="#icon-lock"></use>
                  </svg>
                </span>
              </el-input>
            </el-form-item>
            <el-form-item prop="captcha">
              <el-row :gutter="20">
                <el-col :span="14">
                  <el-input
                    v-model="dataForm.captcha"
                    :placeholder="$t('login.captcha')"
                  >
                    <span
                      slot="prefix"
                      class="el-input__icon"
                    >
                      <svg
                        class="icon-svg"
                        aria-hidden="true"
                      >
                        <use xlink:href="#icon-safetycertificate"></use>
                      </svg>
                    </span>
                  </el-input>
                </el-col>
                <el-col
                  :span="10"
                  class="login-captcha"
                >
                  <img
                    :src="captchaPath"
                    @click="getCaptcha()"
                  >
                </el-col>
              </el-row>
            </el-form-item>
            <el-form-item>
              <el-button
                type="primary"
                @click="dataFormSubmitHandle()"
                class="w-percent-100"
              >{{ $t('login.title') }}</el-button>
            </el-form-item>
          </el-form>
        </div>
        <div class="login-footer">
          <p>2021 © 浙江汇民网络技术有限公司</p>
        </div>
      </main>
    </div>
  </div>
</template>

<script>
import Cookies from "js-cookie";
import debounce from "lodash/debounce";
import { messages } from "@/i18n";
import { getUUID } from "@/utils";
export default {
  data() {
    return {
      i18nMessages: messages,
      captchaPath: "",
      dataForm: {
        username: "",
        password: "",
        uuid: "",
        captcha: "",
      },
    };
  },
  computed: {
    dataRule() {
      return {
        username: [
          {
            required: true,
            message: this.$t("validate.required"),
            trigger: "blur",
          },
        ],
        password: [
          {
            required: true,
            message: this.$t("validate.required"),
            trigger: "blur",
          },
        ],
        captcha: [
          {
            required: true,
            message: this.$t("validate.required"),
            trigger: "blur",
          },
        ],
      };
    },
  },
  created() {
    this.getCaptcha();
  },
  methods: {
    // 获取验证码
    getCaptcha() {
      this.dataForm.uuid = getUUID();
      this.captchaPath = `${window.SITE_CONFIG["apiURL"]}/captcha?uuid=${this.dataForm.uuid}`;
    },
    // 表单提交
    dataFormSubmitHandle: debounce(
      function () {
        this.$refs["dataForm"].validate((valid) => {
          if (!valid) {
            return false;
          }
          this.$http
            .post("/login", this.dataForm)
            .then(({ data: res }) => {
              if (res.code !== 0) {
                this.getCaptcha();
                return this.$message.error(res.msg);
              }
              Cookies.set("token", res.data.token);
              this.$router.replace({ name: "home" });
            })
            .catch(() => {});
        });
      },
      1000,
      { leading: true, trailing: false }
    ),
  },
};
</script>
