<template>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
  <div class="container">
    <router-link class='navbar-brand'  :to="{name:'home'}">AI Snake</router-link>

    <div class="collapse navbar-collapse" id="navbarText">
      <ul class="navbar-nav me-auto mb-2 mb-lg-0">
        <!-- <li class="nav-item">
          <router-link :class="route_name == 'pk_index' ? 'nav-link active' : 'nav-link' " :to="{name:'pk_index'}">游戏介绍</router-link>
        </li> -->

        <li class="nav-item">
          <!-- router-link单页面 -->
          <router-link :class="route_name == 'pk_index' ? 'nav-link active' : 'nav-link' " :to="{name:'pk_index'}">挑战页面</router-link>
        </li>

        <li class="nav-item">
          <router-link :class="route_name == 'record_index' ? 'nav-link active' : 'nav-link' " :to="{name:'record_index'}">对局列表</router-link>
        </li>
       
        <li class="nav-item">
          <router-link :class="route_name == 'ranklist_index' ? 'nav-link active' : 'nav-link' " :to="{name:'ranklist_index'}">排行榜</router-link>
        </li>
      
      </ul>

      <ul class="navbar-nav" v-if="$store.state.user.is_login">
        <li class="nav-item dropdown">
            <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
            {{$store.state.user.username}}
            </a>
             
            <ul class="dropdown-menu" aria-labelledby="navbarDropdown" style="margin:0">
                <li>
                  <router-link class="dropdown-item" :to="{name:'user_bot_index'}">我的Bots</router-link>
                </li>
                <li><hr class="dropdown-divider"></li>
                <li><a class="dropdown-item" @click="logout" href="#">退出</a></li>
            </ul>
        </li>
      </ul>

      <ul class="navbar-nav" v-else-if="!$store.state.user.pulling_info">
        <li class="nav-item">
            <router-link class="nav-link" :to="{name:'user_account_login'}" role="button">
            登录
            </router-link>
        </li>

        <li class="nav-item">
            <router-link class="nav-link" :to="{name:'user_account_register'}"  role="button">
            注册
            </router-link>
        </li>
      </ul>
    
    </div>
  </div>
</nav>
</template>

<script>
//坑：注意 {}
import { useRoute } from "vue-router";
import { computed } from "vue";
import { useStore } from "vuex";

export default {

    setup(){
        const route = useRoute();
        const store = useStore();

        //实时计算  路由名称
        let route_name = computed( () => route.name );
        
        const logout = () => {
          store.dispatch("logout");
        }

        return {
            route_name,
            logout,
        }
    }

}
</script>

<style scoped>

</style>