import { ReactElement } from "react";
import useSWR from "swr";
import { useRouter } from "next/router";
import Link from "next/link";
// services
import { UserService } from "services/user.service";
// layouts
import { WorkspaceSettingLayout } from "layouts/settings-layout";
import { AppLayout } from "layouts/app-layout";
// components
import { ActivityIcon, ActivityMessage } from "components/core";
import { RichReadOnlyEditor } from "@plane/rich-text-editor";
import { WorkspaceSettingHeader } from "components/headers";
// icons
import { History, MessageSquare } from "lucide-react";
// ui
import { ExternalLinkIcon, Loader } from "@plane/ui";
// fetch-keys
import { USER_ACTIVITY } from "constants/fetch-keys";
// helper
import { timeAgo } from "helpers/date-time.helper";
// type
import { NextPageWithLayout } from "types/app";

const userService = new UserService();

const ProfileActivityPage: NextPageWithLayout = () => {
  const router = useRouter();
  const { workspaceSlug } = router.query;

  const { data: userActivity } = useSWR(
    workspaceSlug ? USER_ACTIVITY : null,
    workspaceSlug ? () => userService.getUserWorkspaceActivity(workspaceSlug.toString()) : null
  );

  return (
    <>
      {userActivity ? (
        <section className="pr-9 py-8 w-full overflow-y-auto">
          <div className="flex items-center py-3.5 border-b border-custom-border-100">
            <h3 className="text-xl font-medium">Activity</h3>
          </div>
          <div className={`flex flex-col gap-2 py-4 w-full`}>
            <ul role="list" className="-mb-4">
              {userActivity.results.map((activityItem: any) => {
                if (activityItem.field === "comment") {
                  return (
                    <div key={activityItem.id} className="mt-2">
                      <div className="relative flex items-start space-x-3">
                        <div className="relative px-1">
                          {activityItem.field ? (
                            activityItem.new_value === "restore" && (
                              <History className="h-3.5 w-3.5 text-custom-text-200" />
                            )
                          ) : activityItem.actor_detail.avatar && activityItem.actor_detail.avatar !== "" ? (
                            <img
                              src={activityItem.actor_detail.avatar}
                              alt={activityItem.actor_detail.display_name}
                              height={30}
                              width={30}
                              className="grid h-7 w-7 place-items-center rounded-full border-2 border-white bg-gray-500 text-white"
                            />
                          ) : (
                            <div
                              className={`grid h-7 w-7 place-items-center rounded-full border-2 border-white bg-gray-500 text-white`}
                            >
                              {activityItem.actor_detail.display_name?.charAt(0)}
                            </div>
                          )}

                          <span className="ring-6 flex h-6 w-6 items-center justify-center rounded-full bg-custom-background-80 text-custom-text-200 ring-white">
                            <MessageSquare className="h-6 w-6 !text-2xl text-custom-text-200" aria-hidden="true" />
                          </span>
                        </div>
                        <div className="min-w-0 flex-1">
                          <div>
                            <div className="text-xs">
                              {activityItem.actor_detail.is_bot
                                ? activityItem.actor_detail.first_name + " Bot"
                                : activityItem.actor_detail.display_name}
                            </div>
                            <p className="mt-0.5 text-xs text-custom-text-200">
                              Commented {timeAgo(activityItem.created_at)}
                            </p>
                          </div>
                          <div className="issue-comments-section p-0">
                            <RichReadOnlyEditor
                              value={activityItem?.new_value !== "" ? activityItem.new_value : activityItem.old_value}
                              customClassName="text-xs border border-custom-border-200 bg-custom-background-100"
                              noBorder
                              borderOnFocus={false}
                            />
                          </div>
                        </div>
                      </div>
                    </div>
                  );
                }

                const message =
                  activityItem.verb === "created" &&
                  activityItem.field !== "cycles" &&
                  activityItem.field !== "modules" &&
                  activityItem.field !== "attachment" &&
                  activityItem.field !== "link" &&
                  activityItem.field !== "estimate" ? (
                    <span className="text-custom-text-200">
                      created{" "}
                      <Link href={`/${workspaceSlug}/projects/${activityItem.project}/issues/${activityItem.issue}`}>
                        <a className="inline-flex items-center hover:underline">
                          this issue. <ExternalLinkIcon className="ml-1 h-3.5 w-3.5" />
                        </a>
                      </Link>
                    </span>
                  ) : activityItem.field ? (
                    <ActivityMessage activity={activityItem} showIssue />
                  ) : (
                    "created the issue."
                  );

                if ("field" in activityItem && activityItem.field !== "updated_by") {
                  return (
                    <li key={activityItem.id}>
                      <div className="relative pb-1">
                        <div className="relative flex items-center space-x-2">
                          <>
                            <div>
                              <div className="relative px-1.5">
                                <div className="mt-1.5">
                                  <div className="flex h-6 w-6 items-center justify-center">
                                    {activityItem.field ? (
                                      activityItem.new_value === "restore" ? (
                                        <History className="h-5 w-5 text-custom-text-200" />
                                      ) : (
                                        <ActivityIcon activity={activityItem} />
                                      )
                                    ) : activityItem.actor_detail.avatar && activityItem.actor_detail.avatar !== "" ? (
                                      <img
                                        src={activityItem.actor_detail.avatar}
                                        alt={activityItem.actor_detail.display_name}
                                        height={24}
                                        width={24}
                                        className="rounded-full h-full w-full object-cover"
                                      />
                                    ) : (
                                      <div
                                        className={`grid h-6 w-6 place-items-center rounded-full border-2 border-white bg-gray-700 text-xs text-white`}
                                      >
                                        {activityItem.actor_detail.display_name?.charAt(0)}
                                      </div>
                                    )}
                                  </div>
                                </div>
                              </div>
                            </div>
                            <div className="min-w-0 flex-1 py-4 border-b border-custom-border-100">
                              <div className="text-sm text-custom-text-200 break-words flex gap-1">
                                {activityItem.field === "archived_at" && activityItem.new_value !== "restore" ? (
                                  <span className="text-gray font-medium">Plane</span>
                                ) : activityItem.actor_detail.is_bot ? (
                                  <span className="text-gray font-medium">
                                    {activityItem.actor_detail.first_name} Bot
                                  </span>
                                ) : (
                                  <Link href={`/${workspaceSlug}/profile/${activityItem.actor_detail.id}`}>
                                    <a className="text-gray font-medium">{activityItem.actor_detail.display_name}</a>
                                  </Link>
                                )}{" "}
                                <div className="flex gap-1 truncate">
                                  {message}{" "}
                                  <span className="whitespace-nowrap flex-shrink-0">
                                    {timeAgo(activityItem.created_at)}
                                  </span>
                                </div>
                              </div>
                            </div>
                          </>
                        </div>
                      </div>
                    </li>
                  );
                }
              })}
            </ul>
          </div>
        </section>
      ) : (
        <Loader className="space-y-5">
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
        </Loader>
      )}
    </>
  );
};

ProfileActivityPage.getLayout = function getLayout(page: ReactElement) {
  return (
    <AppLayout header={<WorkspaceSettingHeader title="My Profile Activity" />}>
      <WorkspaceSettingLayout>{page}</WorkspaceSettingLayout>
    </AppLayout>
  );
};

export default ProfileActivityPage;