<template>
  <view class="bottom-nav">
    <view
      v-for="(nav, index) in navItems"
      :key="index"
      class="nav-item"
      :class="{ active: index === activeIndex }"
      @click="onNavClick(index)"
    >
      <image class="nav-icon" :src="getNavIcon(index)" mode="aspectFit"></image>
      <text class="nav-text">{{ nav }}</text>
    </view>
  </view>
</template>

<script>
export default {
  name: 'BottomNav',
  props: {
    navItems: {
      type: Array,
      default: () => ['首页', '申请租赁', '个人中心'],
    },
    activeIndex: {
      type: Number,
      default: 0,
    },
    iconConfig: {
      type: Object,
      required: true,
    },
  },
  methods: {
    onNavClick(index) {
      this.$emit('nav-click', index)
    },

    getNavIcon(index) {
      const isActive = index === this.activeIndex
      const icons = this.iconConfig

      switch (index) {
        case 0: // 首页
          return isActive ? icons.HOME_ACTIVE : icons.HOME
        case 1: // 申请租赁
          return isActive ? icons.RENT_ACTIVE : icons.RENT
        case 2: // 个人中心
          return isActive ? icons.PERSONAL_CENTER_ACTIVE : icons.PERSONAL_CENTER
        default:
          return icons.HOME
      }
    },
  },
}
</script>

<style lang="scss" scoped>
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 20rpx 0;
  box-shadow: 0 -4rpx 20rpx rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8rpx;
  padding: 10rpx;
  transition: all 0.3s ease;
}

.nav-item:active {
  transform: scale(0.95);
}

.nav-icon {
  width: 48rpx;
  height: 48rpx;
}

.nav-text {
  font-size: 20rpx;
  color: #999;
}

.nav-item.active .nav-text {
  color: #ff9a9e;
}
</style>
