import * as React from 'react';

import { cn } from '../../lib/utils';

export interface SwitchProps extends Omit<React.ButtonHTMLAttributes<HTMLButtonElement>, 'onChange'> {
  checked: boolean;
  onCheckedChange?: (checked: boolean) => void;
}

/**
 * A lightweight, dependency-free toggle switch — the shadcn look without @radix-ui/react-switch.
 * Controlled: pass `checked` + `onCheckedChange`.
 */
const Switch = React.forwardRef<HTMLButtonElement, SwitchProps>(
  ({ className, checked, onCheckedChange, disabled, ...props }, ref) => (
    <button
      ref={ref}
      type="button"
      role="switch"
      aria-checked={checked}
      disabled={disabled}
      onClick={() => onCheckedChange?.(!checked)}
      className={cn(
        'peer inline-flex h-6 w-11 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
        checked ? 'bg-primary' : 'bg-input',
        className,
      )}
      {...props}
    >
      <span
        className={cn(
          'pointer-events-none block h-5 w-5 rounded-full bg-background shadow-lg ring-0 transition-transform',
          checked ? 'translate-x-5' : 'translate-x-0',
        )}
      />
    </button>
  ),
);
Switch.displayName = 'Switch';

export { Switch };
