eletrotupi / tcc/ frontend/components/ui/Button.tsxa6c29bd016885a779e10d45eaf1d1cd6ea95d75c
3.2 KB | 153 lines Raw
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import React from 'react';
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import {
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  TouchableOpacity,
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  Text,
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  StyleSheet,
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  ActivityIndicator,
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  TouchableOpacityProps,
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  ViewStyle,
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  TextStyle,
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} from 'react-native';
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import { useThemeColor } from '@/hooks/use-theme-color';
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interface ButtonProps extends TouchableOpacityProps {
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  title: string;
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  variant?: 'primary' | 'secondary' | 'outline' | 'ghost';
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  size?: 'small' | 'medium' | 'large';
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  loading?: boolean;
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  disabled?: boolean;
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  style?: ViewStyle;
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  textStyle?: TextStyle;
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}
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export const Button: React.FC<ButtonProps> = ({
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  title,
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  variant = 'primary',
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  size = 'medium',
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  loading = false,
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  disabled = false,
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  style,
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  textStyle,
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  onPress,
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  ...props
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}) => {
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  const primaryColor = useThemeColor({}, 'tint');
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  const textColor = useThemeColor({}, 'text');
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  const backgroundColor = useThemeColor({}, 'background');
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  const borderColor = useThemeColor({}, 'border');
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  const getBackgroundColor = () => {
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    if (disabled) return useThemeColor({ light: '#e5e5e5', dark: '#404040' }, 'background');
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    switch (variant) {
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      case 'primary':
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        return primaryColor;
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      case 'secondary':
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        return useThemeColor({ light: '#f3f4f6', dark: '#374151' }, 'background');
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      case 'outline':
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      case 'ghost':
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        return 'transparent';
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      default:
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        return primaryColor;
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    }
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  };
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  const getTextColor = () => {
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    if (disabled) return useThemeColor({ light: '#9ca3af', dark: '#6b7280' }, 'text');
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    switch (variant) {
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      case 'primary':
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        return '#fff';
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      case 'secondary':
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      case 'outline':
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      case 'ghost':
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        return textColor;
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      default:
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        return '#fff';
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    }
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  };
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  const getBorderWidth = () => {
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    return variant === 'outline' ? 1 : 0;
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  };
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  const getBorderColor = () => {
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    if (variant === 'outline') {
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      return disabled ? borderColor : primaryColor;
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    }
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    return 'transparent';
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  };
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  const getHeight = () => {
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    switch (size) {
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      case 'small':
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        return 36;
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      case 'medium':
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        return 44;
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      case 'large':
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        return 52;
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      default:
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        return 44;
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    }
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  };
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  const getFontSize = () => {
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    switch (size) {
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      case 'small':
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        return 14;
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      case 'medium':
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        return 16;
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      case 'large':
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        return 18;
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      default:
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        return 16;
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    }
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  };
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  return (
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    <TouchableOpacity
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      style={[
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        styles.button,
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        {
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          backgroundColor: getBackgroundColor(),
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          borderWidth: getBorderWidth(),
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          borderColor: getBorderColor(),
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          height: getHeight(),
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          opacity: disabled || loading ? 0.6 : 1,
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        },
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        style,
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      ]}
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      disabled={disabled || loading}
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      onPress={onPress}
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      {...props}
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    >
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      {loading ? (
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        <ActivityIndicator color={getTextColor()} />
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      ) : (
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        <Text
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          style={[
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            styles.text,
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            {
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              color: getTextColor(),
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              fontSize: getFontSize(),
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            },
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            textStyle,
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          ]}
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        >
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          {title}
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        </Text>
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      )}
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    </TouchableOpacity>
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  );
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};
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const styles = StyleSheet.create({
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  button: {
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    borderRadius: 8,
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    paddingHorizontal: 20,
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    alignItems: 'center',
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    justifyContent: 'center',
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    marginVertical: 8,
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  },
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  text: {
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    fontWeight: '600',
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  },
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});