import { Form } from "@remix-run/react";
import { useEffect, useRef } from "react";

interface FormModalProps {
  isOpen: boolean;
  onClose: () => void;
  title: string;
  children: React.ReactNode;
  isSubmitting?: boolean;
  submitText?: string;
  onSubmit?: () => void;
}

export default function FormModal({
  isOpen,
  onClose,
  title,
  children,
  isSubmitting = false,
  submitText = "Save",
  onSubmit
}: FormModalProps) {
  const modalRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    const handleEscape = (e: KeyboardEvent) => {
      if (e.key === "Escape") {
        onClose();
      }
    };

    if (isOpen) {
      document.addEventListener("keydown", handleEscape);
      document.body.style.overflow = "hidden";
    }

    return () => {
      document.removeEventListener("keydown", handleEscape);
      document.body.style.overflow = "unset";
    };
  }, [isOpen, onClose]);

  if (!isOpen) return null;

  return (
    <div className="fixed inset-0 z-50 overflow-y-auto">
      <div className="flex items-center justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0">
        {/* Background overlay */}
        <div
          className="fixed inset-0 bg-gray-500 bg-opacity-75 transition-opacity"
          onClick={onClose}
        />

        {/* Modal panel */}
        <div
          ref={modalRef}
          className="inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:p-6 animate-slide-up"
        >
          <div className="sm:flex sm:items-start">
            <div className="w-full mt-3 text-center sm:mt-0 sm:text-left">
              <div className="flex justify-between items-center mb-4">
                <h3 className="text-lg leading-6 font-medium text-gray-900">
                  {title}
                </h3>
                <button
                  type="button"
                  onClick={onClose}
                  className="rounded-md text-gray-400 hover:text-gray-600 focus:outline-none focus:ring-2 focus:ring-indigo-500"
                >
                  <svg className="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
                  </svg>
                </button>
              </div>

              <div className="mt-4">
                {children}
              </div>
            </div>
          </div>

          <div className="mt-5 sm:mt-4 sm:flex sm:flex-row-reverse">
            <button
              type="submit"
              form="modal-form"
              disabled={isSubmitting}
              className="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-indigo-600 text-base font-medium text-white hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 sm:ml-3 sm:w-auto sm:text-sm disabled:opacity-50 disabled:cursor-not-allowed"
            >
              {isSubmitting ? (
                <>
                  <svg className="animate-spin -ml-1 mr-3 h-5 w-5 text-white" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                    <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                    <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                  </svg>
                  Processing...
                </>
              ) : (
                submitText
              )}
            </button>
            <button
              type="button"
              onClick={onClose}
              className="mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 shadow-sm px-4 py-2 bg-white text-base font-medium text-gray-700 hover:text-gray-500 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 sm:mt-0 sm:w-auto sm:text-sm"
            >
              Cancel
            </button>
          </div>
        </div>
      </div>
    </div>
  );
}