<!--
 * @Date: 2025-08-27 17:44:10
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2025-08-28 13:36:05
 * @FilePath: /map-demo/src/components/BottomNav.vue
 * @Description: 文件描述
-->
<template>
  <div v-if="isMiniProgramWebView" class="bottom-nav">
    <div
      v-for="item in navItems"
      :key="item.path"
      @click="navigate(item.path)"
      :class="['nav-item', isActive(item.path) ? 'nav-item-active' : 'nav-item-inactive']"
    >
      <img :src="item.icon" :class="['nav-icon', isActive(item.path) ? 'filter-blue' : 'filter-gray']" alt="" />
      <span class="nav-label">{{ item.label }}</span>
      <!-- <div v-if="isActive(item.path)" class="nav-indicator"></div> -->
    </div>
  </div>
</template>

<script setup>
import { computed, shallowRef } from 'vue';
import wx from 'weixin-js-sdk'
import homeIcon from '@images/icons/home.svg';
import rewardsIcon from '@images/icons/rewards.svg';
import activitiesIcon from '@images/icons/activities.svg';
import meIcon from '@images/icons/me.svg';

/**
 * 检测是否在小程序web-view环境中
 * @returns {boolean} 是否在小程序环境
 */
const isMiniProgramWebView = computed(() => {
  return navigator.userAgent.includes('miniProgram');
});

const navItems = shallowRef([
  { path: '/pages/Dashboard/index', icon: homeIcon, label: '首页' },
  { path: '/pages/Activities/index', icon: activitiesIcon, label: '活动' },
  { path: '/pages/RewardCategories/index', icon: rewardsIcon, label: '兑换' },
  { path: '/pages/Profile/index', icon: meIcon, label: '我的' },
]);

const currentPage = computed(() => {
  // const pages = Taro.getCurrentPages();
  // return pages.length > 0 ? '/' + pages[pages.length - 1].route : '';
  // 默认选中活动页面
  return '/pages/Activities/index';
});

const isActive = (path) => {
  return currentPage.value === path;
};

const navigate = (path) => {
  wx.miniProgram.reLaunch({ url: path });
};
</script>

<style scoped>
/* 底部导航容器 */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: white;
  border-top: 1px solid #f3f4f6;
  display: flex;
  justify-content: space-around;
  padding: 8px 0;
  z-index: 50;
}

/* 导航项 */
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 20px;
  position: relative;
}

/* 激活状态 */
.nav-item-active {
  color: #2563eb;
}

/* 非激活状态 */
.nav-item-inactive {
  color: #6b7280;
}

/* 图标样式 */
.nav-icon {
  width: 26px;
  height: 26px;
}

/* 标签样式 */
.nav-label {
  font-size: 13px;
  margin-top: 4px;
}

/* 激活指示器 */
.nav-indicator {
  position: absolute;
  bottom: -4px;
  width: 40px;
  height: 4px;
  background-color: #2563eb;
  border-radius: 2px 2px 0 0;
}

/* 图标滤镜 */
.filter-blue {
  filter: brightness(0) saturate(100%) invert(22%) sepia(100%) saturate(3441%) hue-rotate(229deg) brightness(101%) contrast(101%);
}

.filter-gray {
  filter: brightness(0) saturate(100%) invert(91%) sepia(6%) saturate(394%) hue-rotate(201deg) brightness(50%) contrast(92%);
}
</style>