<template>
  <div class="login-container">
    <div class="login-form-wrapper">
      <h2 class="login-title">后台管理系统登录</h2>
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginRules"
        label-width="80px"
        class="login-form"
      >
        <el-form-item label="用户名" prop="username">
          <el-input
            v-model="loginForm.username"
            placeholder="请输入用户名"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            placeholder="请输入密码"
            prefix-icon="el-icon-lock"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button
            type="primary"
            class="login-btn"
            :loading="loading"
            @click="handleLogin"
          >
            登录
          </el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref } from "vue";
import { useRouter } from "vue-router";
import type { FormInstance, FormRules } from "element-plus";

const router = useRouter();
const loginFormRef = ref<FormInstance>();
const loading = ref(false);

// 登录表单数据
const loginForm = ref({
  username: "",
  password: "",
});

// 表单验证规则
const loginRules = ref<FormRules>({
  username: [
    { required: true, message: "请输入用户名", trigger: "blur" },
    { min: 3, max: 20, message: "长度在 3 到 20 个字符", trigger: "blur" },
  ],
  password: [
    { required: true, message: "请输入密码", trigger: "blur" },
    { min: 6, max: 20, message: "长度在 6 到 20 个字符", trigger: "blur" },
  ],
});

// 处理登录
const handleLogin = async () => {
  try {
    // 验证表单
    await loginFormRef.value?.validate();

    loading.value = true;

    // 模拟登录请求
    setTimeout(() => {
      // 登录成功后设置token
      const mockToken = "mock-jwt-token";
      localStorage.setItem("token", mockToken);
      loading.value = false;
      // 跳转到首页
      router.push("/");
    }, 1000);
  } catch (error) {
    console.error("登录失败:", error);
    loading.value = false;
  }
};
</script>

<style scoped lang="less">
.login-container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 100vh;
  // background-image: url('@/assets/images/background.png');
  // background-size: cover;
  // background-position: center;
  // background-repeat: no-repeat;
  // padding-right: 100px;
}

.login-form-wrapper {
  background-color: rgba(255, 255, 255, 0.9);
  position: absolute;
  top: 35%;
  right: 6%;
  transform: translateY(-50%);
  padding: 48px;
  box-sizing: border-box;
  width: 460px;
  height: 550px;
  box-shadow: 0 0 16px #2e31361a;
  border-radius: 8px;
  :deep(.el-form-item) {
    .el-form-item__content {
      .el-input {
        height: 48px;
        border-radius: 4px;
        .el-input__wrapper {
          background: #f3f4f9;
        }
      }
    }
  }
}

.login-title {
  text-align: center;
  margin-bottom: 30px;
  color: #304156;
}

.login-form {
  .login-btn {
    width: 100%;
  }
}
</style>
