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import {
AccessibilityState,
Animated,
Easing,
StyleProp,
Text,
TouchableOpacity,
View,
ViewStyle,
} from 'react-native';
import Svg, { Circle } from 'react-native-svg';
import type { ButtonNativeProps, ButtonSize } from '../Button.types';
import { colors } from '@sb/styles/colors';
import { useTheme } from '@sb/ui/components/Themes/ThemeProvider';
import { cn } from '@sb/libs';
type ButtonNativePropsWithIconColor = ButtonNativeProps & {
iconColor?: string;
accessibilityRole?: string;
accessibilityState?: AccessibilityState;
};
const SIZE_CLASSES: Record<ButtonSize, string> = {
small: 'py-1.5 px-2',
medium: 'py-2 px-3',
large: 'py-3 px-4',
};
const ICON_SIZES: Record<ButtonSize, number> = {
small: 16,
medium: 20,
large: 24,
};
const AnimatedCircle = Animated.createAnimatedComponent(Circle);
const LoadingSpinner = ({ size, color }: { size: number; color: string }) => {
const rotation = useRef(new Animated.Value(0)).current;
useEffect(() => {
const animation = Animated.loop(
Animated.timing(rotation, {
toValue: 1,
duration: 1000,
easing: Easing.linear,
useNativeDriver: true,
})
);
animation.start();
return () => animation.stop();
}, [rotation]);
const rotate = rotation.interpolate({
inputRange: [0, 1],
outputRange: ['0deg', '360deg'],
});
const radius = size / 2;
const strokeWidth = 2;
const circumference = 2 * Math.PI * (radius - strokeWidth / 2);
const strokeDashoffset = circumference * 0.25; // 3/4 of the circle
return (
<Animated.View
style={{
width: size,
height: size,
transform: [{ rotate }],
}}
>
<Svg width={size} height={size} viewBox={`0 0 ${size} ${size}`}>
<AnimatedCircle
cx={radius}
cy={radius}
r={radius - strokeWidth / 2}
fill="transparent"
stroke={color}
strokeWidth={strokeWidth}
strokeDasharray={`${circumference} ${circumference}`}
strokeDashoffset={strokeDashoffset}
strokeLinecap="round"
/>
</Svg>
</Animated.View>
);
};
function renderIconElement(
iconNode: React.ReactElement,
size: ButtonSize,
iconColor?: string,
decorative: boolean = true
): React.ReactElement | null {
Iif (!React.isValidElement(iconNode)) {
return null;
}
const iconSize = ICON_SIZES[size];
const existingStyle = (iconNode.props as { style?: object }).style || {};
const styleWithColor = iconColor
? { width: iconSize, height: iconSize, color: iconColor, ...existingStyle }
: { width: iconSize, height: iconSize, ...existingStyle };
return React.cloneElement(iconNode as React.ReactElement<{ style?: object; color?: string }>, {
style: styleWithColor,
color: iconColor,
...(decorative ? { accessibilityRole: 'image', accessibilityLabel: undefined } : {}),
});
}
export const Button = forwardRef<TouchableOpacity, ButtonNativePropsWithIconColor>(
(
{
label,
icon,
onPress,
disabled = false,
variant = 'primary',
size = 'medium',
loading = false,
rounded = true,
className = '',
style,
textStyle,
accessibilityLabel,
iconColor,
accessibilityHint,
accessibilityRole = 'button',
...rest
},
ref
) => {
const { theme } = useTheme();
const themeColors = colors[theme];
let containerStyle: StyleProp<ViewStyle> = {};
let textColor: string | undefined;
let textFontClassName = '';
switch (variant) {
case 'primary':
containerStyle = {
backgroundColor: (disabled || loading)
? themeColors.colorButton_Main_Disabled_Background_Color
: themeColors.colorButton_Main_Background_Color,
};
textColor = (disabled || loading)
? themeColors.colorButton_Main_Disabled_TextColor
: themeColors.colorButton_Main_TextColor;
textFontClassName = 'font-Bold';
break;
case 'secondary':
containerStyle = {
backgroundColor: themeColors.colorButton_Secondary_Background_Color,
...(disabled || loading ? { opacity: 0.5 } : {}),
};
textColor = themeColors.colorButton_Secondary_Text_Color;
textFontClassName = 'font-Bold';
break;
case 'ghost':
containerStyle = {
backgroundColor: 'transparent',
borderWidth: 1,
borderColor: themeColors.colorText_Primary,
...(disabled || loading ? { opacity: 0.5 } : {}),
};
textColor = themeColors.colorText_Primary;
textFontClassName = 'font-normal';
break;
case 'ghostDark':
containerStyle = {
backgroundColor: 'transparent',
borderWidth: 1,
borderColor: themeColors.colorPrimary,
...(disabled || loading ? { opacity: 0.5 } : {}),
};
textColor = themeColors.colorPrimary;
textFontClassName = 'font-normal';
break;
case 'cyan':
containerStyle = {
backgroundColor: themeColors.colorPrimary_Background,
...(disabled || loading ? { opacity: 0.5 } : {}),
};
textColor = themeColors.colorText_Primary;
textFontClassName = 'font-normal';
break;
case 'withShadow':
containerStyle = {
backgroundColor: themeColors.colorButton_Main_Background_Color,
...(disabled || loading ? { opacity: 0.5 } : {}),
};
textColor = themeColors.colorButton_Main_TextColor;
textFontClassName = 'font-Bold';
break;
default:
containerStyle = {
backgroundColor: themeColors.colorButton_Main_Background_Color,
};
textColor = themeColors.colorButton_Main_TextColor;
textFontClassName = 'font-Bold';
}
const paddingClass = SIZE_CLASSES[size];
const scaleAnim = useRef(new Animated.Value(1)).current;
// Icon color follows text color unless explicitly overridden
const resolvedIconColor = iconColor ?? textColor;
const shadowStyle: StyleProp<ViewStyle> =
variant === 'withShadow'
? {
elevation: 5,
shadowColor: themeColors.buttonTop_ShadowShadow,
shadowOffset: { width: 0, height: -5 },
shadowOpacity: 0.3,
shadowRadius: 5,
}
: {};
const handlePressIn = () => {
Eif (!disabled && !loading) {
Animated.spring(scaleAnim, {
toValue: 0.95,
useNativeDriver: true,
friction: 5,
tension: 150,
}).start();
}
};
const handlePressOut = () => {
Eif (!disabled && !loading) {
Animated.spring(scaleAnim, {
toValue: 1,
useNativeDriver: true,
friction: 5,
tension: 150,
}).start();
}
};
const renderIcon = () => {
Iif (!icon || !React.isValidElement(icon)) return null;
return renderIconElement(icon, size, resolvedIconColor);
};
return (
<TouchableOpacity
testID={'button-test'}
ref={ref}
onPress={onPress}
onPressIn={handlePressIn}
onPressOut={handlePressOut}
disabled={disabled || loading}
accessibilityLabel={accessibilityLabel || (typeof label === 'string' ? label : undefined)}
accessibilityRole={accessibilityRole}
accessibilityState={rest.accessibilityState}
accessibilityHint={accessibilityHint}
className={cn(
'flex-row items-center justify-center',
paddingClass,
rounded ? 'rounded-[3px]' : 'rounded-none',
className
)}
style={[shadowStyle, containerStyle, style]}
{...rest}
>
<Animated.View
style={{
transform: [{ scale: scaleAnim }],
alignItems: 'center',
justifyContent: 'center',
}}
>
{loading ? (
<LoadingSpinner
size={ICON_SIZES[size]}
color={resolvedIconColor || themeColors.colorText_Tertiary}
/>
) : (
<View
style={{
flexDirection: 'row',
alignItems: 'center',
justifyContent: 'center',
}}
>
{icon && <View style={{ marginRight: label ? 8 : 0 }}>{renderIcon()}</View>}
{label && (
<Text
className={cn(textFontClassName, textStyle, 'text-lg')}
style={{ color: textColor }}
>
{label}
</Text>
)}
</View>
)}
</Animated.View>
</TouchableOpacity>
);
}
);
Button.displayName = 'Button';
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