---

import { InputNumber } from 'exchange-elements/v2';
import { FormEvent, memo, SyntheticEvent, useCallback, useEffect, useState } from 'react';

import styles from './index.module.scss';

interface NumberFieldProps {
  label: string;
  value?: number;
  initialValue?: number;
  min?: number;
  max?: number;
  onValueChange: (value: number) => void;
}

type HandleChange = {
  (event: FormEvent<HTMLInputElement>): void;
  (item: number, event?: SyntheticEvent): void;
};

export const NumberField = memo(({ label, value, initialValue, min, max, onValueChange }: NumberFieldProps) => {
  const [localValue, setLocalValue] = useState(initialValue ?? value ?? 0);

  useEffect(() => {
    if (value !== undefined) {
      setLocalValue(value);
    }
  }, [value]);

  const handleChange = useCallback<HandleChange>(
    (valueOrEvent: number | FormEvent<HTMLInputElement>) => {
      const nextValue =
        typeof valueOrEvent === 'number'
          ? valueOrEvent
          : Number((valueOrEvent?.currentTarget as HTMLInputElement)?.value);

      const normalizedValue = normalizeValue(nextValue, min, max);

      setLocalValue(normalizedValue);
      onValueChange(normalizedValue);
    },
    [min, max, onValueChange],
  );

  return (
    <InputNumber
      className={styles.input}
      value={localValue}
      onChange={handleChange}
      label={label}
      labelPos="top"
      size="sm"
    />
  );
});

function normalizeValue(value: number, min?: number, max?: number): number {
  if (Number.isNaN(value)) {
    return min ?? 0;
  }

  if (min !== undefined && value < min) {
    return min;
  }

  if (max !== undefined && value > max) {
    return max;
  }

  return value;
}