import * as React from 'react';
import { clsx } from 'clsx';

export interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {
  label?: string;
  error?: string;
  hint?: string;
}

export const Input = React.forwardRef<HTMLInputElement, InputProps>(
  ({ label, error, hint, className, id, ...props }, ref) => {
    const inputId = id ?? (label ? `input-${label.toLowerCase().replace(/\s+/g, '-')}` : undefined);

    return (
      <div className="space-y-1">
        {label && (
          <label
            htmlFor={inputId}
            className="block text-sm font-medium text-[var(--bl-text-secondary,#a0a0b0)]"
          >
            {label}
          </label>
        )}
        <input
          ref={ref}
          id={inputId}
          className={clsx(
            'w-full rounded-md border px-3 py-2 text-sm outline-none transition-colors',
            'bg-[var(--bl-surface-card,#1a1a2e)] text-[var(--bl-text-primary,#fff)]',
            'placeholder:text-[var(--bl-text-tertiary,#555)]',
            'focus:ring-2 focus:ring-[var(--bl-accent,#5A8CFF)] focus:ring-offset-0',
            error ? 'border-red-500' : 'border-[var(--bl-border,#2a2a4a)]',
            className
          )}
          aria-invalid={error ? 'true' : undefined}
          aria-describedby={error ? `${inputId}-error` : hint ? `${inputId}-hint` : undefined}
          {...props}
        />
        {error && (
          <p id={`${inputId}-error`} className="text-xs text-red-400" role="alert">
            {error}
          </p>
        )}
        {hint && !error && (
          <p id={`${inputId}-hint`} className="text-xs text-[var(--bl-text-tertiary,#555)]">
            {hint}
          </p>
        )}
      </div>
    );
  }
);

Input.displayName = 'Input';