import { InputHTMLAttributes, forwardRef } from 'react';

interface InputProps extends InputHTMLAttributes<HTMLInputElement> {
  label?: string;
  error?: string;
  helperText?: string;
  leftIcon?: React.ReactNode;
  rightIcon?: React.ReactNode;
}

const Input = forwardRef<HTMLInputElement, InputProps>(({
  label,
  error,
  helperText,
  leftIcon,
  rightIcon,
  className = '',
  id,
  ...props
}, ref) => {
  const inputId = id || `input-${Math.random().toString(36).substr(2, 9)}`;

  return (
    <div className="w-full">
      {label && (
        <label 
          htmlFor={inputId} 
          className="block text-sm font-medium text-gray-700 mb-1"
        >
          {label}
          {props.required && <span className="text-red-500 ml-1">*</span>}
        </label>
      )}
      <div className="relative">
        {leftIcon && (
          <div className="absolute left-3 top-1/2 -translate-y-1/2 text-gray-400">
            {leftIcon}
          </div>
        )}
        <input
          ref={ref}
          id={inputId}
          className={`
            w-full border rounded-lg px-3 py-2
            transition-colors placeholder:text-gray-400
            focus:outline-none focus:ring-2 focus:ring-offset-0
            ${error 
              ? 'border-red-500 focus:border-red-500 focus:ring-red-200' 
              : 'border-gray-300 focus:border-blue-500 focus:ring-blue-200'
            }
            ${leftIcon ? 'pl-10' : ''}
            ${rightIcon ? 'pr-10' : ''}
            ${className}
          `}
          {...props}
        />
        {rightIcon && (
          <div className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-400">
            {rightIcon}
          </div>
        )}
      </div>
      {error && (
        <p className="text-red-500 text-sm mt-1 flex items-center gap-1">
          <svg className="w-4 h-4" fill="currentColor" viewBox="0 0 20 20">
            <path fillRule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7 4a1 1 0 11-2 0 1 1 0 012 0zm-1-9a1 1 0 00-1 1v4a1 1 0 102 0V6a1 1 0 00-1-1z" clipRule="evenodd" />
          </svg>
          {error}
        </p>
      )}
      {helperText && !error && (
        <p className="text-gray-500 text-sm mt-1">{helperText}</p>
      )}
    </div>
  );
});

Input.displayName = 'Input';
export default Input;