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* 营养成分饼图 - 可视化展示各营养成分占比
* 响应式设计，适配不同屏幕尺寸
*/
import { Dimensions, View } from 'react-native';
import { PieChart } from 'react-native-chart-kit';
import { Text, XStack, YStack } from 'tamagui';
import { IconSymbol } from '@/src/components/ui/IconSymbol';
import { useResponsiveLayout } from '@/src/hooks/useResponsiveLayout';
import { neutralScale, successScale, primaryScale } from '@/src/design-system/tokens';
interface NutritionChartSectionProps {
percentData: Record<string, number | null>;
}
// 专业饼图配色方案 - 柔和渐变色系
const CHART_COLORS = [
'#FF7B54', // 橙红 - 蛋白质
'#4CAF50', // 绿色 - 脂肪
'#2196F3', // 蓝色 - 碳水
'#FFC107', // 金黄 - 纤维
'#9C27B0', // 紫色 - 灰分
'#00BCD4', // 青色 - 水分
'#E91E63', // 粉红 - 其他
'#607D8B', // 灰蓝
];
// 营养成分名称映射
const NUTRITION_NAME_MAP: Record<string, string> = {
protein: '粗蛋白',
crude_protein: '粗蛋白',
fat: '粗脂肪',
crude_fat: '粗脂肪',
carbohydrates: '碳水化合物',
fiber: '粗纤维',
crude_fiber: '粗纤维',
ash: '粗灰分',
crude_ash: '粗灰分',
moisture: '水分',
others: '其它',
};
// 准备饼图数据
function preparePieChartData(percentData: Record<string, number | null>) {
Iif (!percentData || typeof percentData !== 'object') return [];
const data: { name: string; value: number }[] = [];
Object.entries(percentData).forEach(([key, value]) => {
Eif (value !== null && value !== undefined && typeof value === 'number' && value > 0) {
data.push({ name: NUTRITION_NAME_MAP[key] || key, value });
}
});
Iif (data.length === 0) return [];
return data.map((item, index) => ({
name: item.name,
population: parseFloat(item.value.toFixed(1)),
color: CHART_COLORS[index % CHART_COLORS.length],
legendFontColor: neutralScale.neutral10,
legendFontSize: 11,
}));
}
export function NutritionChartSection({ percentData }: NutritionChartSectionProps) {
const { width: screenWidth, isExtraSmallScreen, isSmallScreen } = useResponsiveLayout();
if (!percentData || typeof percentData !== 'object' || Object.keys(percentData).length === 0) {
return null;
}
const chartData = preparePieChartData(percentData);
Iif (chartData.length === 0) return null;
// 响应式尺寸计算
const chartWidth = screenWidth - 32;
const chartHeight = isExtraSmallScreen ? 180 : isSmallScreen ? 200 : 220;
return (
<YStack
marginHorizontal="$3"
marginBottom="$3"
borderRadius={20}
backgroundColor="white"
overflow="hidden"
borderWidth={1}
borderColor={neutralScale.neutral3}
>
{/* 标题栏 */}
<XStack
padding="$4"
alignItems="center"
gap="$3"
borderBottomWidth={1}
borderBottomColor={neutralScale.neutral2}
>
<YStack
width={44}
height={44}
borderRadius={22}
backgroundColor={successScale.success2}
alignItems="center"
justifyContent="center"
>
<IconSymbol name="chart.pie.fill" size={22} color={successScale.success7} />
</YStack>
<YStack flex={1}>
<Text fontSize="$5" fontWeight="700" color={neutralScale.neutral12}>
营养成分分析
</Text>
<Text fontSize={11} color={neutralScale.neutral8} marginTop={2}>
Nutrition Analysis
</Text>
</YStack>
</XStack>
{/* 图表区域 */}
<YStack padding="$4" gap="$4">
{/* 饼图 */}
<View style={{ alignItems: 'center' }}>
<PieChart
data={chartData}
width={chartWidth}
height={chartHeight}
chartConfig={{
backgroundColor: 'transparent',
backgroundGradientFrom: '#FFFFFF',
backgroundGradientTo: '#FFFFFF',
color: (opacity = 1) => `rgba(0, 0, 0, ${opacity})`,
labelColor: () => neutralScale.neutral10,
strokeWidth: 2,
decimalPlaces: 1,
}}
accessor="population"
backgroundColor="transparent"
paddingLeft="0"
center={[chartWidth / 4, 0]}
absolute
hasLegend={false}
/>
</View>
{/* 自定义图例 */}
<YStack gap="$2" paddingTop="$2">
<XStack flexWrap="wrap" gap="$2" justifyContent="center">
{chartData.map((item, index) => (
<XStack
key={index}
alignItems="center"
gap="$2"
backgroundColor={neutralScale.neutral1}
paddingHorizontal="$3"
paddingVertical="$2"
borderRadius={20}
borderWidth={1}
borderColor={neutralScale.neutral3}
>
<View
style={{
width: 12,
height: 12,
borderRadius: 6,
backgroundColor: item.color,
}}
/>
<Text fontSize={12} fontWeight="600" color={neutralScale.neutral10}>
{item.name}
</Text>
<Text fontSize={12} fontWeight="700" color={primaryScale.primary9}>
{item.population}%
</Text>
</XStack>
))}
</XStack>
</YStack>
</YStack>
</YStack>
);
}
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