<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <div class="title-box">
        <div class="line"></div>
        <div class="subtitle">
          <div>WELCOME</div>
          <div>智慧物业后台管理系统</div>
        </div>
      </div>
      <el-form-item prop="username">
        <el-input v-model.trim="loginForm.username" type="text" size="large" auto-complete="off" :placeholder="proxy.$t('login.username')">
          <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model.trim="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          :placeholder="proxy.$t('login.password')"
          @keyup.enter="handleLogin"
        >
          <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
        </el-input>
      </el-form-item>
      <div class="remberBox">
        <el-checkbox v-model="loginForm.rememberMe" style="color: #fff">{{ proxy.$t('login.rememberPassword') }}</el-checkbox>
        <!-- <el-button class="hoverbutn" text>忘记密码</el-button> -->
      </div>

      <el-form-item style="width: 100%">
        <el-button :loading="loading" size="large" type="primary" style="width: 100%" @click.prevent="handleLogin">
          <span v-if="!loading">{{ proxy.$t('login.login') }}</span>
          <span v-else>{{ proxy.$t('login.logging') }}</span>
        </el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script setup lang="ts">
import { authRouterUrl } from '@/api/system/social/auth';
import { useUserStore } from '@/store/modules/user';
import { LoginData, TenantVO } from '@/api/types';
import { to } from 'await-to-js';
import { getCodeImg, getTenantList } from '@/api/login';
import { HttpStatus } from '@/enums/RespEnum';
import { useI18n } from 'vue-i18n';

const { proxy } = getCurrentInstance() as ComponentInternalInstance;

const title = import.meta.env.VITE_APP_TITLE;
const userStore = useUserStore();
const router = useRouter();
const { t } = useI18n();

const loginForm = ref<LoginData>({
  tenantId: '000000',
  username: '',
  password: '',
  rememberMe: false,
  code: '',
  uuid: ''
} as LoginData);

const loginRules: ElFormRules = {
  tenantId: [{ required: true, trigger: 'blur', message: t('login.rule.tenantId.required') }],
  username: [{ required: true, trigger: 'blur', message: t('login.rule.username.required') }],
  password: [{ required: true, trigger: 'blur', message: t('login.rule.password.required') }],
  code: [{ required: true, trigger: 'change', message: t('login.rule.code.required') }]
};

const codeUrl = ref('');
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 租户开关
const tenantEnabled = ref(true);

// 注册开关
const register = ref(false);
const redirect = ref('/');
const loginRef = ref<ElFormInstance>();
// 租户列表
const tenantList = ref<TenantVO[]>([]);

watch(
  () => router.currentRoute.value,
  (newRoute: any) => {
    redirect.value = newRoute.query && newRoute.query.redirect && decodeURIComponent(newRoute.query.redirect);
  },
  { immediate: true }
);

const handleLogin = () => {
  loginRef.value?.validate(async (valid: boolean, fields: any) => {
    if (valid) {
      loading.value = true;
      if (loginForm.value.rememberMe) {
        localStorage.setItem('tenantId', String(loginForm.value.tenantId));
        localStorage.setItem('username', String(loginForm.value.username));
        localStorage.setItem('rememberMe', String(loginForm.value.rememberMe));
      } else {
        // 否则移除
        localStorage.removeItem('tenantId');
        localStorage.removeItem('username');
        localStorage.removeItem('rememberMe');
      }
      // 调用action的登录方法
      const [err] = await to(userStore.login(loginForm.value));
      if (!err) {
        const redirectUrl = redirect.value || '/';
        await router.push(redirectUrl);
        loading.value = false;
      } else {
        loading.value = false;
      }
    } else {
    }
  });
};

/**
 * 获取验证码
 */
const getCode = async () => {
  const res = await getCodeImg();
  const { data } = res;
  captchaEnabled.value = data.captchaEnabled === undefined ? true : data.captchaEnabled;
  if (captchaEnabled.value) {
    // 刷新验证码时清空输入框
    loginForm.value.code = '';
    codeUrl.value = 'data:image/gif;base64,' + data.img;
    loginForm.value.uuid = data.uuid;
  }
};

const getLoginData = () => {
  const tenantId = localStorage.getItem('tenantId');
  const username = localStorage.getItem('username');
  const password = localStorage.getItem('password');
  const rememberMe = localStorage.getItem('rememberMe');
  loginForm.value = {
    tenantId: tenantId === null ? String(loginForm.value.tenantId) : tenantId,
    username: username === null ? String(loginForm.value.username) : username,
    password: password === null ? String(loginForm.value.password) : String(password),
    rememberMe: rememberMe === null ? false : Boolean(rememberMe)
  } as LoginData;
};

/**
 * 获取租户列表
 */
const initTenantList = async () => {
  const { data } = await getTenantList(false);
  tenantEnabled.value = data.tenantEnabled === undefined ? true : data.tenantEnabled;
  if (tenantEnabled.value) {
    tenantList.value = data.voList;
    if (tenantList.value != null && tenantList.value.length !== 0) {
      loginForm.value.tenantId = tenantList.value[0].tenantId;
    }
  }
};

/**
 * 第三方登录
 * @param type
 */
const doSocialLogin = (type: string) => {
  authRouterUrl(type, loginForm.value.tenantId).then((res: any) => {
    if (res.code === HttpStatus.SUCCESS) {
      // 获取授权地址跳转
      window.location.href = res.data;
    } else {
      ElMessage.error(res.msg);
    }
  });
};

onMounted(() => {
  getCode();
  initTenantList();
  getLoginData();
});
</script>

<style lang="scss" scoped>
:deep(.el-button.hoverbutn) {
  color: #fff;
  &:hover {
    background: none !important;
  }
}
.login {
  display: flex;
  color: #fff !important;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url('../assets/images/login-background.png');
  background-size: cover;
  background-position: center;
}

.title-box {
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  .line {
    margin-right: 18px;
    width: 1px;
    height: 69px;
    background-color: rgba(255, 255, 255, 1);
    border: 3px solid rgba(255, 255, 255, 1);
  }
  .subtitle {
    color: rgba(255, 255, 255, 1);
    font-size: 28px;
    text-align: left;
    div {
      height: 39px;
      line-height: 39px;
    }
  }
}

.login-form {
  width: 368px;
  height: 393px;
  padding: 30px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
  .input-icon {
    height: 40px;
    width: 23px;
    margin-left: 0;
    margin-right: 16px;
    color: #1a75ff;
  }
  .remberBox {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
  }
}
</style>
