<template>
	<view class="bottom-nav">
		<view class="nav-item" @click="navigateTo('index')">
			<image :src="activeTab === 'index' ? '/static/imgs/footer/home-active.png' : '/static/imgs/footer/home.png'"
				mode="aspectFit"></image>
			<text :class="{active: activeTab === 'index'}">首页</text>
		</view>
		<view class="nav-item" @click="navigateTo('chat')">
			<image :src="activeTab === 'chat' ? '/static/imgs/footer/ai-active.png' : '/static/imgs/footer/ai.png'"
				mode="aspectFit"></image>
			<text :class="{active: activeTab === 'chat'}">AI助手</text>
		</view>
		<view class="nav-item" @click="navigateTo('mine')">
			<image :src="activeTab === 'mine' ? '/static/imgs/footer/mine-active.png' : '/static/imgs/footer/mine.png'"
				mode="aspectFit"></image>
			<text :class="{active: activeTab === 'mine'}">我的</text>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				activeTab: 'index' // 默认激活首页
			}
		},
		created() {
			// 获取当前页面路径设置激活状态
			const pages = getCurrentPages();
			if (pages.length) {
				const currentPage = pages[pages.length - 1].route;
				this.activeTab = currentPage.split('/')[1] || 'index';
			}
		},
		methods: {
			navigateTo(page) {
				this.activeTab = page;
				uni.redirectTo({
					url: `/pages/${page}/index`,
					success: () => {},
					fail: () => {},
					complete: () => {}
				});
			}
		}
	};
</script>

<style lang="scss" scoped>
	.bottom-nav {
		display: flex;
		justify-content: space-around;
		align-items: center;
		background-color: #f8f8f8;
		position: fixed;
		bottom: 0;
		padding-bottom: 40rpx;
		left: 0;
		right: 0;
		box-shadow: 0 -4rpx 20rpx rgba(0, 0, 0, 0.1);
		z-index: 999;
		height: 100rpx;
		padding-top: 10rpx;

		.nav-item {
			display: flex;
			flex-direction: column;
			align-items: center;
			justify-content: center;
			flex: 1;
			text-align: center;
			color: #4F4F4F;
			font-size: 24rpx;

			image {
				width: 46rpx;
				height: 46rpx;
				margin: 12rpx 0 6rpx 0;
			}

			.active {
				color: #5b9cf8; // 激活状态文字颜色
			}
		}
	}
</style>