import { useCourseContext } from "@/app/course/[courseName]/context/courseContext";
import Modal, { useModal } from "@/components/Modal";
import { Spinner } from "@/components/Spinner";
import {
  useCanvasPagesQuery,
  useCreateCanvasPageMutation,
  useUpdateCanvasPageMutation,
  useDeleteCanvasPageMutation,
} from "@/features/canvas/hooks/canvasPageHooks";
import { baseCanvasUrl } from "@/features/canvas/services/canvasServiceUtils";
import { useLocalCourseSettingsQuery } from "@/features/local/course/localCoursesHooks";
import {
  useDeletePageMutation,
  usePageQuery,
} from "@/features/local/pages/pageHooks";
import { getCourseUrl } from "@/services/urlUtils";
import Link from "next/link";
import { useRouter } from "next/navigation";
import React, { useState } from "react";
import { useItemNavigation } from "../../../../hooks/useItemNavigation";
import ItemNavigationButtons from "../../../../components/ItemNavigationButtons";

export default function EditPageButtons({
  moduleName,
  pageName,
}: {
  pageName: string;
  moduleName: string;
}) {
  const router = useRouter();
  const { courseName } = useCourseContext();
  const { data: settings } = useLocalCourseSettingsQuery();
  const { data: page } = usePageQuery(moduleName, pageName);
  const { data: canvasPages } = useCanvasPagesQuery();
  const createPageInCanvas = useCreateCanvasPageMutation();
  const updatePageInCanvas = useUpdateCanvasPageMutation();
  const deletePageInCanvas = useDeleteCanvasPageMutation();
  const deletePageLocal = useDeletePageMutation();
  const modal = useModal();
  const [loading, setLoading] = useState(false);
  const { previousUrl, nextUrl } = useItemNavigation(
    "page",
    pageName,
    moduleName
  );

  const pageInCanvas = canvasPages?.find((p) => p.title === pageName);

  const requestIsPending =
    createPageInCanvas.isPending ||
    updatePageInCanvas.isPending ||
    deletePageInCanvas.isPending;

  return (
    <div className="p-5 flex justify-end flex-row gap-x-3">
      {requestIsPending && <Spinner />}
      {!pageInCanvas && (
        <button
          onClick={() => createPageInCanvas.mutate({ page, moduleName })}
          disabled={requestIsPending}
        >
          Add to Canvas
        </button>
      )}
      {pageInCanvas && (
        <button
          onClick={() =>
            updatePageInCanvas.mutate({
              page,
              canvasPageId: pageInCanvas.page_id,
            })
          }
          disabled={requestIsPending}
        >
          Update in Canvas
        </button>
      )}
      {pageInCanvas && (
        <a
          className="btn"
          target="_blank"
          href={`${baseCanvasUrl}/courses/${settings.canvasId}/pages/${pageInCanvas.url}`}
        >
          View in Canvas
        </a>
      )}
      {pageInCanvas && (
        <button
          className="btn-danger"
          onClick={() => deletePageInCanvas.mutate(pageInCanvas.page_id)}
          disabled={requestIsPending}
        >
          Delete from Canvas
        </button>
      )}

      {!pageInCanvas && (
        <Modal
          modalControl={modal}
          buttonText="Delete Localy"
          buttonClass="btn-danger"
          modalWidth="w-1/5"
        >
          {({ closeModal }) => (
            <div>
              <div className="text-center">
                Are you sure you want to delete this page locally?
              </div>
              <br />
              <div className="flex justify-around gap-3">
                <button
                  onClick={async () => {
                    setLoading(true);
                    await deletePageLocal.mutateAsync({
                      moduleName,
                      pageName,
                      courseName,
                    });
                    router.push(getCourseUrl(courseName));
                  }}
                  className="btn-danger"
                >
                  Yes
                </button>
                <button onClick={closeModal}>No</button>
              </div>
              {loading && <Spinner />}
            </div>
          )}
        </Modal>
      )}
      <Link className="btn" href={getCourseUrl(courseName)} shallow={true}>
        Go Back
      </Link>
      <ItemNavigationButtons previousUrl={previousUrl} nextUrl={nextUrl} />
    </div>
  );
}