import { ReactElement } from "react";
import { useRouter } from "next/router";
import useSWR from "swr";
import { useTheme } from "next-themes";
// hooks
import { useUser } from "hooks/store";
// layouts
import { AppLayout } from "layouts/app-layout";
import { ProjectSettingLayout } from "layouts/settings-layout";
// services
import { IntegrationService } from "services/integrations";
import { ProjectService } from "services/project";
// components
import { IntegrationCard } from "components/project";
import { ProjectSettingHeader } from "components/headers";
import { EmptyState, getEmptyStateImagePath } from "components/empty-state";
// ui
import { Loader } from "@plane/ui";
// types
import { IProject } from "@plane/types";
import { NextPageWithLayout } from "lib/types";
// fetch-keys
import { PROJECT_DETAILS, WORKSPACE_INTEGRATIONS } from "constants/fetch-keys";
import { PROJECT_SETTINGS_EMPTY_STATE_DETAILS } from "constants/empty-state";

// services
const integrationService = new IntegrationService();
const projectService = new ProjectService();

const ProjectIntegrationsPage: NextPageWithLayout = () => {
  const router = useRouter();
  const { workspaceSlug, projectId } = router.query;
  // theme
  const { resolvedTheme } = useTheme();
  // store hooks
  const { currentUser } = useUser();

  const { data: projectDetails } = useSWR<IProject>(
    workspaceSlug && projectId ? PROJECT_DETAILS(projectId as string) : null,
    workspaceSlug && projectId ? () => projectService.getProject(workspaceSlug as string, projectId as string) : null
  );

  const { data: workspaceIntegrations } = useSWR(
    workspaceSlug ? WORKSPACE_INTEGRATIONS(workspaceSlug as string) : null,
    () => (workspaceSlug ? integrationService.getWorkspaceIntegrationsList(workspaceSlug as string) : null)
  );

  const emptyStateDetail = PROJECT_SETTINGS_EMPTY_STATE_DETAILS["integrations"];
  const isLightMode = resolvedTheme ? resolvedTheme === "light" : currentUser?.theme.theme === "light";
  const emptyStateImage = getEmptyStateImagePath("project-settings", "integrations", isLightMode);

  const isAdmin = projectDetails?.member_role === 20;

  return (
    <div className={`h-full w-full gap-10 overflow-y-auto py-8 pr-9 ${isAdmin ? "" : "opacity-60"}`}>
      <div className="flex items-center border-b border-custom-border-100 py-3.5">
        <h3 className="text-xl font-medium">Integrations</h3>
      </div>
      {workspaceIntegrations ? (
        workspaceIntegrations.length > 0 ? (
          <div>
            {workspaceIntegrations.map((integration) => (
              <IntegrationCard key={integration.integration_detail.id} integration={integration} />
            ))}
          </div>
        ) : (
          <div className="h-full w-full py-8">
            <EmptyState
              title={emptyStateDetail.title}
              description={emptyStateDetail.description}
              image={emptyStateImage}
              primaryButton={{
                text: "Configure now",
                onClick: () => router.push(`/${workspaceSlug}/settings/integrations`),
              }}
              size="lg"
              disabled={!isAdmin}
            />
          </div>
        )
      ) : (
        <Loader className="space-y-5">
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
        </Loader>
      )}
    </div>
  );
};

ProjectIntegrationsPage.getLayout = function getLayout(page: ReactElement) {
  return (
    <AppLayout withProjectWrapper header={<ProjectSettingHeader title="Integrations Settings" />}>
      <ProjectSettingLayout>{page}</ProjectSettingLayout>
    </AppLayout>
  );
};

export default ProjectIntegrationsPage;
