import  React, { useCallback, useContext } from "react"
import { ProductContext } from "./ProductCard"

import styles from '../styles/styles.module.css';

export interface Props {
    className?: string;
    style?: React.CSSProperties
}

export const ProductButtons = ({ className, style } : Props) => {

    const { increaseBy, counter, maxCount } = useContext(ProductContext)

    const isMaxReached = useCallback(
        () => !!maxCount && counter === maxCount,
        [ counter, maxCount ],
    );

    return (
        <div 
            className={ `${ styles.buttonsContainer } ${ className }` }
            style={ style }
        >
            <button
                className={ styles.buttonMinus }
                onClick={ () => increaseBy( -1 ) }
            >-</button>            
            <div className={ styles.countLabel }>{ counter }</div>
            <button
                className={ `${ styles.buttonAdd } ${ isMaxReached() && styles.disable }` }
                onClick={ () => increaseBy( +1 ) }
            >+</button>
        </div>
    )
}