<template>
  <div class="h-full">
    <el-row class="h-100%">
      <div class="absolute top-10px right-10px flex flex-items-center">
        <KoiLanguage></KoiLanguage>
        <KoiDark></KoiDark>
      </div>
      <el-col :lg="16" :md="12" :sm="15" :xs="0" class="flex flex-items-center flex-justify-center">
        <div class="login-background w-85% h-100%"></div>
        <div class="absolute text-center select-none">
          <el-image class="w-400px h-360px mb-50px animate-float <md:hidden <lg:w-360px h-320px" :src="bg" />
          <div class="font-bold text-3xl chroma-text mb-6px text-center <lg:text-2xl <md:hidden">
            {{ $t("login.welcome") }} {{ loginTitle || "管理平台" }}
          </div>
          <div class="chroma-text text-lg text-center <md:hidden">{{ $t("login.description") }}</div>
        </div>
        <!-- 备案号-->
        <div class="beianhao select-none <md:hidden">
<!--          <a class="chroma-text" href="https://beian.miit.gov.cn/" target="_blank"-->
<!--            >{{ $t("login.beianhao") }}：豫ICP备2022022094号-1</a-->
<!--          >-->
        </div>
      </el-col>
      <el-col :lg="8" :md="12" :sm="9" :xs="24" class="dark:bg-#161616 bg-gray-100 flex flex-items-center flex-justify-center flex-col">
        <div class="flex flex-items-center">
          <el-image class="rounded-full w-36px h-36px" :src="logo" />
          <div class="ml-6px font-bold text-xl">{{ loginTitle || "KOI-ADMIN 管理平台" }}</div>
        </div>
        <div class="flex flex-items-center space-x-3 text-gray-400 mt-16px mb-16px">
          <span class="h-1px w-16 bg-gray-300 inline-block"></span>
          <span class="text-center">{{ $t("login.account") }}</span>
          <span class="h-1px w-16 bg-gray-300 inline-block"></span>
        </div>
        <!-- 输入框盒子 -->
        <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" class="w-260px">
          <el-form-item prop="loginName">
            <el-input type="text" :placeholder="$t('login.loginName')" :suffix-icon="User" v-model="loginForm.username" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              type="password"
              :placeholder="$t('login.password')"
              show-password
              :suffix-icon="Lock"
              v-model="loginForm.password"
            />
          </el-form-item>
          <el-form-item prop="code" v-if="captchaEnabled">
            <el-input
              type="text"
              :placeholder="$t('login.security')"
              :suffix-icon="Open"
              v-model="loginForm.code"
              @keydown.enter="handleKoiLogin"
            ></el-input>
          </el-form-item>
          <el-form-item v-if="captchaEnabled">
            <el-image class="w-100px h-30px" :src="loginForm.captchaImg" @click="handleCaptcha" />
            <el-button text size="small" class="ml-6px" @click="handleCaptcha">
              <div class="text-gray-400 hover:text-#8B5CF6 select-none">{{ $t("login.blur") }}</div>
            </el-button>
          </el-form-item>
          <!-- 登录按钮 -->
          <el-form-item>
            <el-button
              type="primary"
              v-if="!loading"
              class="w-245px bg-[--el-color-primary]"
              round
              v-throttle:3000="handleKoiLogin"
              >{{ $t("login.in") }}</el-button
            >
            <el-button type="primary" v-else class="w-245px bg-[--el-color-primary]" round :loading="loading">{{
              $t("login.center")
            }}</el-button>
          </el-form-item>
        </el-form>
        <!-- 备案号-->
        <div class="beianhao select-none lg:hidden">
<!--          <a class="chroma-text" href="https://beian.miit.gov.cn/" target="_blank"-->
<!--            >{{ $t("login.beianhao") }}：豫ICP备2022022094号-1</a-->
<!--          >-->
        </div>
      </el-col>
    </el-row>

  </div>
</template>

<script lang="ts" setup>
import { User, Lock, Open } from "@element-plus/icons-vue";
import { ref, reactive, onMounted, computed } from "vue";

import type { FormInstance } from "element-plus";
import { koiMsgWarning, koiMsgError } from "@/utils/koi.ts";
import { useRouter } from "vue-router";
import { getCodeImg, login } from "@/api/system/user";
import useUserStore from "@/stores/modules/user.ts";
import useKeepAliveStore from "@/stores/modules/keepAlive.ts";
import { HOME_URL, LOGIN_URL } from "@/config/index.ts";
import { initDynamicRouter } from "@/routers/modules/dynamicRouter.ts";
import useTabsStore from "@/stores/modules/tabs.ts";
import logo from "@/assets/images/logo/logo.png";
import bg from "@/assets/images/login/bg.png";
import settings from "@/settings";
import KoiDark from "./components/KoiDark.vue";
import KoiLanguage from "./components/KoiLanguage.vue";
import { getLanguage } from "@/utils/index.ts";
import useGlobalStore from "@/stores/modules/global.ts";

// 标题语言切换
const loginTitle = ref(settings.loginTitle);

loginTitle.value = computed(() => {
  return getLanguage(globalStore.language, settings.loginTitle, settings.loginEnTitle);
});

const globalStore = useGlobalStore();
const userStore = useUserStore();
const tabsStore = useTabsStore();
const keepAliveStore = useKeepAliveStore();
const router = useRouter();

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

const loginForm = reactive({
  username: "",
  password: "",
  code: "",
  uuid: "",
  captchaImg: ""
});
const captchaEnabled = ref(true)

const loginRules = computed(() => {
  if (globalStore.language === "en") {
    return {
      username: [{ required: true, message: "The user name cannot be empty", trigger: "blur" }],
      password: [{ required: true, message: "The password cannot be empty", trigger: "blur" }],
      code: [{ required: true, message: "The verification code cannot be empty", trigger: "blur" }]
    };
  }
  return {
    username: [{ required: true, message: "用户名不能为空", trigger: "blur" }],
    password: [{ required: true, message: "密码不能为空", trigger: "blur" }],
    code: [{ required: true, message: "验证码不能为空", trigger: "blur" }]
  };
});

/** 获取验证码 */
const handleCaptcha = async () => {
  try {
    const res = await getCodeImg();
    captchaEnabled.value = res.captchaEnabled
    if (res.code === 200) {
      loginForm.captchaImg = "data:image/gif;base64," + res.img;
      loginForm.uuid = res.uuid;
    } else {
      koiMsgError("验证码获取失败，数据格式错误");
    }
  } catch (error) {
    console.error("获取验证码出错:", error);
    koiMsgError("验证码获取失败");
  }
};

// 进入页面加载管理员信息
onMounted(() => {
  // 获取验证码
  handleCaptcha();
});


/** 登录 */
const handleKoiLogin = () => {
  if (!loginFormRef.value) return;
  (loginFormRef.value as any).validate(async (valid: any) => {
    const username = loginForm.username;
    const password = loginForm.password;
    const code = loginForm.code;
    const uuid = loginForm.uuid;
    if (valid) {
      loading.value = true;

      const res: any = await login({ username, password, code, uuid });
      if(res.code === 200) {
        // 1、执行登录接口
        userStore.setToken(res.token);
        // 2、添加动态路由 AND 用户按钮 AND 角色信息 AND 用户个人信息
        if (userStore?.token) {
          await initDynamicRouter();
        } else {
          koiMsgWarning("请重新登录");
          router.replace(LOGIN_URL);
          return;
        }
        // 3、清空 tabs数据、keepAlive缓存数据
        tabsStore.setTab([]);
        keepAliveStore.setKeepAliveName([]);

        // 4、跳转到首页
        router.replace(HOME_URL);
      } else {
        loading.value = false;
        handleCaptcha()
      }
    } else {
      handleCaptcha()
      loading.value = false;
    }
  });
};
</script>

<style lang="scss" scoped>
/** 备案号 */
.beianhao {
  position: absolute;
  bottom: 10px;
  left: auto;
  font-size: 12px;
  font-weight: bold;
}

.login-background {
  background: linear-gradient(155deg, #07070915 12%, var(--el-color-primary) 36%, #07070915 76%);
  filter: blur(100px);
}

.animate-float {
  animation: float 5s linear 0ms infinite;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0);
  }
}
</style>
