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 { ProfileSettingsLayout } from "layouts/settings-layout";
// components
import { ActivityIcon, ActivityMessage } from "components/core";
import { RichReadOnlyEditor } from "@plane/rich-text-editor";
// 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(USER_ACTIVITY, () => userService.getUserActivity());

  return (
    <section className="h-full w-full lg:w-3/5 mx-auto px-8 pb-8 mt-16 flex flex-col overflow-hidden">
      <div className="flex items-center pb-3.5 border-b border-custom-border-100">
        <h3 className="text-xl font-medium">Activity</h3>
      </div>
      {userActivity ? (
        <div className="flex flex-col gap-2 h-full w-full overflow-y-auto">
          <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>
      ) : (
        <Loader className="space-y-5">
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
          <Loader.Item height="40px" />
        </Loader>
      )}
    </section>
  );
};

ProfileActivityPage.getLayout = function getLayout(page: ReactElement) {
  return <ProfileSettingsLayout>{page}</ProfileSettingsLayout>;
};

export default ProfileActivityPage;