'use client';

import * as React from 'react';
import { cn } from '@/lib/utils/cn';

export interface SliderProps
  extends Omit<React.InputHTMLAttributes<HTMLInputElement>, 'onChange' | 'value' | 'onValueChange'> {
  value?: number | number[];
  onChange?: (value: number) => void;
  onValueChange?: (value: number[]) => void;
  min?: number;
  max?: number;
  step?: number;
  label?: string;
  showValue?: boolean;
  onTouchStart?: () => void;
  onTouchEnd?: () => void;
}

const Slider = React.forwardRef<HTMLInputElement, SliderProps>(
  (
    {
      className,
      value = 0,
      onChange,
      onValueChange,
      min = 0,
      max = 100,
      step = 1,
      label,
      showValue = false,
      disabled,
      onTouchStart,
      onTouchEnd,
      ...props
    },
    ref
  ) => {
    // Support both value formats (number or number[])
    const currentValue = Array.isArray(value) ? value[0] : value;

    const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
      const numValue = parseFloat(e.target.value);
      onChange?.(numValue);
      onValueChange?.([numValue]);
    };

    const handleMouseDown = () => {
      onTouchStart?.();
    };

    const handleMouseUp = () => {
      onTouchEnd?.();
    };

    React.useEffect(() => {
      if (onTouchEnd) {
        window.addEventListener('mouseup', handleMouseUp);
        return () => window.removeEventListener('mouseup', handleMouseUp);
      }
    }, [onTouchEnd]);

    return (
      <div className={cn('w-full', className)}>
        {(label || showValue) && (
          <div className="flex items-center justify-between mb-2">
            {label && (
              <label className="text-sm font-medium text-foreground">
                {label}
              </label>
            )}
            {showValue && (
              <span className="text-sm text-muted-foreground">{currentValue}</span>
            )}
          </div>
        )}
        <input
          ref={ref}
          type="range"
          min={min}
          max={max}
          step={step}
          value={currentValue}
          onChange={handleChange}
          onMouseDown={handleMouseDown}
          disabled={disabled}
          className={cn(
            'w-full h-2 bg-secondary rounded-lg appearance-none cursor-pointer',
            'focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2',
            'disabled:opacity-50 disabled:cursor-not-allowed',
            '[&::-webkit-slider-thumb]:appearance-none [&::-webkit-slider-thumb]:w-4 [&::-webkit-slider-thumb]:h-4',
            '[&::-webkit-slider-thumb]:rounded-full [&::-webkit-slider-thumb]:bg-primary',
            '[&::-webkit-slider-thumb]:cursor-pointer [&::-webkit-slider-thumb]:transition-colors',
            '[&::-webkit-slider-thumb]:hover:bg-primary/90',
            '[&::-moz-range-thumb]:w-4 [&::-moz-range-thumb]:h-4 [&::-moz-range-thumb]:rounded-full',
            '[&::-moz-range-thumb]:bg-primary [&::-moz-range-thumb]:border-0 [&::-moz-range-thumb]:cursor-pointer',
            '[&::-moz-range-thumb]:transition-colors [&::-moz-range-thumb]:hover:bg-primary/90'
          )}
          {...props}
        />
      </div>
    );
  }
);

Slider.displayName = 'Slider';

export { Slider };