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* 宠物体重折线图组件
* 使用 react-native-chart-kit 显示体重变化趋势
*/
import { useState, useEffect, useCallback } from 'react';
import { YStack, XStack, Text, Card } from 'tamagui';
import { LineChart } from 'react-native-chart-kit';
import { TrendingUp, TrendingDown, Minus } from '@tamagui/lucide-icons';
import { Button } from '@/src/design-system/components';
import { supabasePetHealthService } from '@/src/lib/supabase';
import type { PetWeightRecord, WeightStatistics } from '@/src/types/petHealth';
import type { LayoutChangeEvent } from 'react-native';
interface Props {
petId: number;
petName: string;
refreshTrigger?: number; // 用于触发刷新的时间戳
}
export function PetWeightChart({ petId, petName, refreshTrigger }: Props) {
const [records, setRecords] = useState<PetWeightRecord[]>([]);
const [stats, setStats] = useState<WeightStatistics | null>(null);
const [loading, setLoading] = useState(true);
const [chartWidth, setChartWidth] = useState(300); // 默认宽度
const loadData = useCallback(async () => {
setLoading(true);
const [recordsRes, statsRes] = await Promise.all([
supabasePetHealthService.getPetWeightRecords(petId, 30), // 最近30条
supabasePetHealthService.getWeightStatistics(petId),
]);
setRecords(recordsRes.data || []);
setStats(statsRes.data);
setLoading(false);
}, [petId]);
useEffect(() => {
loadData();
}, [loadData, refreshTrigger]);
// 动态计算图表宽度
const handleLayout = (event: LayoutChangeEvent) => {
const { width } = event.nativeEvent.layout;
// 减去 Card 的 padding ($3 = 12px on each side)
setChartWidth(width - 24);
};
if (loading) {
return (
<Card padding="$4">
<Text textAlign="center" color="$gray10">
加载中...
</Text>
</Card>
);
}
if (!records.length) {
return (
<Card padding="$6" alignItems="center">
<Text color="$gray10" marginBottom="$2">
暂无体重记录
</Text>
<Button size="sm" variant="primary">
添加第一条记录
</Button>
</Card>
);
}
// 准备图表数据（最近10条，倒序）
const chartData = records
.slice(0, 10)
.reverse()
.map((r) => ({
weight: r.weight,
date: new Date(r.record_date).toLocaleDateString('zh-CN', {
month: 'numeric',
day: 'numeric',
}),
}));
return (
<YStack gap="$4">
{/* 统计卡片 */}
{stats && (
<XStack gap="$2">
<Card flex={1} padding="$3" backgroundColor="$blue2">
<Text fontSize="$2" color="$gray11" marginBottom="$1">
当前体重
</Text>
<Text fontSize="$7" fontWeight="bold" color="$blue11">
{stats.current} kg
</Text>
</Card>
<Card
flex={1}
padding="$3"
backgroundColor={
stats.trend === 'up' ? '$orange2' : stats.trend === 'down' ? '$green2' : '$gray2'
}
>
<Text fontSize="$2" color="$gray11" marginBottom="$1">
变化
</Text>
<XStack alignItems="center" gap="$1">
{stats.trend === 'up' ? (
<TrendingUp size={16} color="$orange10" />
) : stats.trend === 'down' ? (
<TrendingDown size={16} color="$green10" />
) : (
<Minus size={16} color="$gray10" />
)}
<Text
fontSize="$5"
fontWeight="600"
color={
stats.trend === 'up'
? '$orange10'
: stats.trend === 'down'
? '$green10'
: '$gray10'
}
>
{stats.change > 0 ? '+' : ''}
{stats.change} kg
</Text>
</XStack>
</Card>
</XStack>
)}
{/* 折线图 */}
<Card padding="$3" onLayout={handleLayout}>
<Text fontSize="$5" fontWeight="600" marginBottom="$3">
体重变化趋势
</Text>
{chartWidth > 0 && (
<LineChart
data={{
labels: chartData.map((d) => d.date),
datasets: [
{
data: chartData.map((d) => d.weight),
},
],
}}
width={chartWidth}
height={220}
chartConfig={{
backgroundColor: '#ffffff',
backgroundGradientFrom: '#ffffff',
backgroundGradientTo: '#ffffff',
decimalPlaces: 1,
color: (opacity = 1) => `rgba(59, 130, 246, ${opacity})`,
labelColor: (opacity = 1) => `rgba(107, 114, 128, ${opacity})`,
style: {
borderRadius: 16,
},
propsForDots: {
r: '4',
strokeWidth: '2',
stroke: '#3b82f6',
},
}}
bezier
style={{
marginVertical: 8,
borderRadius: 16,
}}
/>
)}
{/* 统计信息 */}
{stats && (
<XStack
justifyContent="space-around"
marginTop="$3"
paddingTop="$3"
borderTopWidth={1}
borderColor="$gray5"
>
<YStack alignItems="center">
<Text fontSize="$2" color="$gray11">
最小
</Text>
<Text fontSize="$4" fontWeight="600">
{stats.min} kg
</Text>
</YStack>
<YStack alignItems="center">
<Text fontSize="$2" color="$gray11">
平均
</Text>
<Text fontSize="$4" fontWeight="600">
{stats.avg} kg
</Text>
</YStack>
<YStack alignItems="center">
<Text fontSize="$2" color="$gray11">
最大
</Text>
<Text fontSize="$4" fontWeight="600">
{stats.max} kg
</Text>
</YStack>
</XStack>
)}
</Card>
</YStack>
);
}
|