import { ElementType } from 'react';
import configured, { PartialProps } from 'react-configured';

export const mergePropsWithStyle = <T extends ElementType,
  TProps extends PartialProps<T>,
  TSecondProps extends PartialProps<T>,
  >(
  baseProps: TProps,
  variantProps: TSecondProps,
): TProps | TSecondProps => ({
  ...baseProps,
  ...variantProps,
  ...('style' in baseProps && 'style' in variantProps
    ? {
      style: StyleSheet.compose(baseProps.style, variantProps.style),
    }
    : {}),
});

export type ButtonConfig = ComponentConfig<typeof BaseButton>;

export type FuncButtonConfig = FuncComponentConfig<typeof BaseButton, ButtonConfig>;

export const Button = configured(BaseButton, (props): ButtonConfig => {
  const theme = useUIKitTheme();

  const { disabled, variant } = props;

  const styles = StyleSheet.create({
    baseStyle: {
      height: 54,
      paddingHorizontal: 16,
      borderRadius: 12,
      justifyContent: 'center',
      alignItems: 'center',
      flexDirection: 'row',
      borderStyle: 'solid',
      borderWidth: 0,
    },
    disabled: {
      backgroundColor: theme.colors.gray['5'],
    },
    disabled__text: {
      color: theme.colors.gray['3'],
    },
    'variant:primary': {
      backgroundColor: theme.colors.primary,
    },
    'variant:primary__text': {
      color: theme.colors.white,
    },
    'variant:secondary': {
      backgroundColor: theme.colors.white,
      borderWidth: 1,
      borderColor: theme.colors.gray['5'],
    },
    'variant:secondary__text': {
      color: theme.colors.black['2'],
    },
  });

  return {
    style: StyleSheet.flatten([
      styles.baseStyle,
      variant === 'primary' ? styles['variant:primary'] : styles['variant:secondary'],
      disabled && styles.disabled,
    ]),
    loaderColor: theme.colors.white,
    activeOpacity: 0.85,
    labelProps: {
      variant: 'p3',
      style: [styles['variant:primary__text'], disabled && styles.disabled__text],
    },
  };
}, { mergeProps: mergePropsWithStyle });