import { usePathname } from "next/navigation";
import { useRouter } from "next/navigation";
import { useEffect, useState } from "react";

import useAddAppMutation from "@calcom/app-store/_utils/useAddAppMutation";
import { InstallAppButton } from "@calcom/app-store/components";
import { doesAppSupportTeamInstall } from "@calcom/app-store/utils";
import { Spinner } from "@calcom/features/calendars/weeklyview/components/spinner/Spinner";
import type { UserAdminTeams } from "@calcom/features/ee/teams/lib/getUserAdminTeams";
import classNames from "@calcom/lib/classNames";
import { CAL_URL } from "@calcom/lib/constants";
import { useLocale } from "@calcom/lib/hooks/useLocale";
import type { AppFrontendPayload as App } from "@calcom/types/App";
import type { CredentialFrontendPayload as Credential } from "@calcom/types/Credential";
import type { ButtonProps } from "@calcom/ui";
import {
  Dropdown,
  DropdownMenuTrigger,
  DropdownMenuContent,
  DropdownMenuPortal,
  DropdownMenuLabel,
  DropdownItem,
  Avatar,
  Badge,
} from "@calcom/ui";

import { Button } from "../button";
import { Plus } from "../icon";
import { showToast } from "../toast";

interface AppCardProps {
  app: App;
  credentials?: Credential[];
  searchText?: string;
  userAdminTeams?: UserAdminTeams;
}

export function AppCard({ app, credentials, searchText, userAdminTeams }: AppCardProps) {
  const { t } = useLocale();
  const allowedMultipleInstalls = app.categories && app.categories.indexOf("calendar") > -1;
  const appAdded = (credentials && credentials.length) || 0;

  const enabledOnTeams = doesAppSupportTeamInstall(app.categories, app.concurrentMeetings);

  const appInstalled = enabledOnTeams && userAdminTeams ? userAdminTeams.length < appAdded : appAdded > 0;

  const [searchTextIndex, setSearchTextIndex] = useState<number | undefined>(undefined);

  useEffect(() => {
    setSearchTextIndex(searchText ? app.name.toLowerCase().indexOf(searchText.toLowerCase()) : undefined);
  }, [app.name, searchText]);

  return (
    <div className="border-subtle relative flex h-64 flex-col rounded-md border p-5">
      <div className="flex">
        <img
          src={app.logo}
          alt={`${app.name} Logo`}
          className={classNames(
            app.logo.includes("-dark") && "dark:invert",
            "mb-4 h-12 w-12 rounded-sm" // TODO: Maybe find a better way to handle this @Hariom?
          )}
        />
      </div>
      <div className="flex items-center">
        <h3 className="text-emphasis font-medium">
          {searchTextIndex != undefined && searchText ? (
            <>
              {app.name.substring(0, searchTextIndex)}
              <span className="bg-yellow-300" data-testid="highlighted-text">
                {app.name.substring(searchTextIndex, searchTextIndex + searchText.length)}
              </span>
              {app.name.substring(searchTextIndex + searchText.length)}
            </>
          ) : (
            app.name
          )}
        </h3>
      </div>
      {/* TODO: add reviews <div className="flex text-sm text-default">
            <span>{props.rating} stars</span> <StarIcon className="ml-1 mt-0.5 h-4 w-4 text-yellow-600" />
            <span className="pl-1 text-subtle">{props.reviews} reviews</span>
          </div> */}
      <p
        className="text-default mt-2 flex-grow text-sm"
        style={{
          overflow: "hidden",
          display: "-webkit-box",
          WebkitBoxOrient: "vertical",
          WebkitLineClamp: "3",
        }}>
        {app.description}
      </p>

      <div className="mt-5 flex max-w-full flex-row justify-between gap-2">
        <Button
          color="secondary"
          className="flex w-32 flex-grow justify-center"
          href={`/apps/${app.slug}`}
          data-testid={`app-store-app-card-${app.slug}`}>
          {t("details")}
        </Button>
        {app.isGlobal || (credentials && credentials.length > 0 && allowedMultipleInstalls)
          ? !app.isGlobal && (
              <InstallAppButton
                type={app.type}
                teamsPlanRequired={app.teamsPlanRequired}
                disableInstall={!!app.dependencies && !app.dependencyData?.some((data) => !data.installed)}
                wrapperClassName="[@media(max-width:260px)]:w-full"
                render={({ useDefaultComponent, ...props }) => {
                  if (useDefaultComponent) {
                    props = {
                      ...props,
                    };
                  }
                  return (
                    <InstallAppButtonChild
                      userAdminTeams={userAdminTeams}
                      {...props}
                      addAppMutationInput={{ type: app.type, variant: app.variant, slug: app.slug }}
                      appCategories={app.categories}
                      concurrentMeetings={app.concurrentMeetings}
                    />
                  );
                }}
              />
            )
          : credentials &&
            !appInstalled && (
              <InstallAppButton
                type={app.type}
                wrapperClassName="[@media(max-width:260px)]:w-full"
                disableInstall={!!app.dependencies && app.dependencyData?.some((data) => !data.installed)}
                teamsPlanRequired={app.teamsPlanRequired}
                render={({ useDefaultComponent, ...props }) => {
                  if (useDefaultComponent) {
                    props = {
                      ...props,
                      disabled: !!props.disabled,
                    };
                  }
                  return (
                    <InstallAppButtonChild
                      userAdminTeams={userAdminTeams}
                      addAppMutationInput={{ type: app.type, variant: app.variant, slug: app.slug }}
                      appCategories={app.categories}
                      credentials={credentials}
                      concurrentMeetings={app.concurrentMeetings}
                      {...props}
                    />
                  );
                }}
              />
            )}
      </div>
      <div className="max-w-44 absolute right-0 mr-4 flex flex-wrap justify-end gap-1">
        {appInstalled ? <Badge variant="green">{t("installed", { count: appAdded })}</Badge> : null}
        {app.isTemplate && (
          <span className="bg-error rounded-md px-2 py-1 text-sm font-normal text-red-800">Template</span>
        )}
        {(app.isDefault || (!app.isDefault && app.isGlobal)) && (
          <span className="bg-subtle text-emphasis flex items-center rounded-md px-2 py-1 text-sm font-normal">
            {t("default")}
          </span>
        )}
      </div>
    </div>
  );
}

const InstallAppButtonChild = ({
  userAdminTeams,
  addAppMutationInput,
  appCategories,
  credentials,
  concurrentMeetings,
  ...props
}: {
  userAdminTeams?: UserAdminTeams;
  addAppMutationInput: { type: App["type"]; variant: string; slug: string };
  appCategories: string[];
  credentials?: Credential[];
  concurrentMeetings?: boolean;
} & ButtonProps) => {
  const { t } = useLocale();
  const router = useRouter();
  const pathname = usePathname();

  const mutation = useAddAppMutation(null, {
    onSuccess: (data) => {
      // Refresh SSR page content without actual reload
      if (pathname !== null) {
        router.replace(pathname);
      }
      if (data?.setupPending) return;
      showToast(t("app_successfully_installed"), "success");
    },
    onError: (error) => {
      if (error instanceof Error) showToast(error.message || t("app_could_not_be_installed"), "error");
    },
  });

  if (!userAdminTeams?.length || !doesAppSupportTeamInstall(appCategories, concurrentMeetings)) {
    return (
      <Button
        color="secondary"
        className="[@media(max-width:260px)]:w-full [@media(max-width:260px)]:justify-center"
        StartIcon={Plus}
        data-testid="install-app-button"
        {...props}>
        {t("install")}
      </Button>
    );
  }

  return (
    <Dropdown>
      <DropdownMenuTrigger asChild>
        <Button
          color="secondary"
          className="[@media(max-width:260px)]:w-full [@media(max-width:260px)]:justify-center"
          StartIcon={Plus}
          data-testid="install-app-button"
          {...props}>
          {t("install")}
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuPortal>
        <DropdownMenuContent
          className="w-56"
          onInteractOutside={(event) => {
            if (mutation.isLoading) event.preventDefault();
          }}>
          {mutation.isLoading && (
            <div className="z-1 fixed inset-0 flex items-center justify-center">
              <Spinner />
            </div>
          )}
          <DropdownMenuLabel>{t("install_app_on")}</DropdownMenuLabel>
          {userAdminTeams.map((team) => {
            const isInstalledTeamOrUser =
              credentials &&
              credentials.some((credential) =>
                credential?.teamId ? credential?.teamId === team.id : credential.userId === team.id
              );
            return (
              <DropdownItem
                type="button"
                disabled={isInstalledTeamOrUser}
                key={team.id}
                StartIcon={(props) => (
                  <Avatar
                    alt={team.logo || ""}
                    imageSrc={team.logo || `${CAL_URL}/${team.logo}/avatar.png`} // if no image, use default avatar
                    size="sm"
                    {...props}
                  />
                )}
                onClick={() => {
                  mutation.mutate(
                    team.isUser ? addAppMutationInput : { ...addAppMutationInput, teamId: team.id }
                  );
                }}>
                <p className="text-left">
                  {t(team.name)} {isInstalledTeamOrUser && `(${t("installed")})`}
                </p>
              </DropdownItem>
            );
          })}
        </DropdownMenuContent>
      </DropdownMenuPortal>
    </Dropdown>
  );
};