import React, { forwardRef } from 'react';

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

export const Input = forwardRef<HTMLInputElement, InputProps>(
  (
    {
      label,
      error,
      helperText,
      fullWidth = false,
      leftIcon,
      rightIcon,
      className = '',
      disabled,
      ...props
    },
    ref
  ) => {
    const baseClasses =
      'block px-4 py-2 text-base border rounded-lg transition-colors focus:outline-none focus:ring-2 focus:ring-offset-0 disabled:opacity-50 disabled:cursor-not-allowed';

    const borderClasses = error
      ? 'border-error focus:ring-error focus:border-error'
      : 'border-gray-300 focus:ring-primary focus:border-primary';

    const widthClass = fullWidth ? 'w-full' : '';

    const inputClasses = `${baseClasses} ${borderClasses} ${widthClass} ${leftIcon ? 'pl-10' : ''} ${rightIcon ? 'pr-10' : ''} ${className}`;

    return (
      <div className={fullWidth ? 'w-full' : ''}>
        {label && (
          <label className="block text-sm font-medium text-textPrimary mb-1">
            {label}
          </label>
        )}

        <div className="relative">
          {leftIcon && (
            <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-textMuted">
              {leftIcon}
            </div>
          )}

          <input
            ref={ref}
            className={inputClasses}
            disabled={disabled}
            aria-invalid={error ? 'true' : 'false'}
            aria-describedby={
              error ? `${props.id}-error` : helperText ? `${props.id}-helper` : undefined
            }
            {...props}
          />

          {rightIcon && (
            <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none text-textMuted">
              {rightIcon}
            </div>
          )}
        </div>

        {error && (
          <p className="mt-1 text-sm text-error" id={`${props.id}-error`}>
            {error}
          </p>
        )}

        {helperText && !error && (
          <p className="mt-1 text-sm text-textMuted" id={`${props.id}-helper`}>
            {helperText}
          </p>
        )}
      </div>
    );
  }
);

Input.displayName = 'Input';