import { useSession } from "next-auth/react";
import { useRouter } from "next/router";
import { useState } from "react";

import { useLocale } from "@calcom/lib/hooks/useLocale";
import { MembershipRole } from "@calcom/prisma/enums";
import { trpc } from "@calcom/trpc/react";
import { Button, Meta, showToast } from "@calcom/ui";
import { Plus } from "@calcom/ui/components/icon";

import { getLayout } from "../../../settings/layouts/SettingsLayout";
import DisableTeamImpersonation from "../components/DisableTeamImpersonation";
import MemberInvitationModal from "../components/MemberInvitationModal";
import MemberListItem from "../components/MemberListItem";
import TeamInviteList from "../components/TeamInviteList";

const MembersView = () => {
  const { t, i18n } = useLocale();
  const router = useRouter();
  const session = useSession();
  const utils = trpc.useContext();
  const [showMemberInvitationModal, setShowMemberInvitationModal] = useState(false);
  const teamId = Number(router.query.id);

  const { data: team, isLoading } = trpc.viewer.teams.get.useQuery(
    { teamId },
    {
      onError: () => {
        router.push("/settings");
      },
    }
  );

  const inviteMemberMutation = trpc.viewer.teams.inviteMember.useMutation({
    async onSuccess(data) {
      await utils.viewer.teams.get.invalidate();
      setShowMemberInvitationModal(false);
      if (data.sendEmailInvitation) {
        showToast(
          t("email_invite_team", {
            email: data.usernameOrEmail,
          }),
          "success"
        );
      }
    },
    onError: (error) => {
      showToast(error.message, "error");
    },
  });

  const isInviteOpen = !team?.membership.accepted;

  const isAdmin =
    team && (team.membership.role === MembershipRole.OWNER || team.membership.role === MembershipRole.ADMIN);

  return (
    <>
      <Meta
        title={t("team_members")}
        description={t("members_team_description")}
        CTA={
          isAdmin ? (
            <Button
              type="button"
              color="primary"
              StartIcon={Plus}
              className="ml-auto"
              onClick={() => setShowMemberInvitationModal(true)}
              data-testid="new-member-button">
              {t("add")}
            </Button>
          ) : (
            <></>
          )
        }
      />
      {!isLoading && (
        <>
          <div>
            {team && (
              <>
                {isInviteOpen && (
                  <TeamInviteList
                    teams={[
                      {
                        id: team.id,
                        accepted: team.membership.accepted || false,
                        logo: team.logo,
                        name: team.name,
                        slug: team.slug,
                        role: team.membership.role,
                      },
                    ]}
                  />
                )}
              </>
            )}
            <div>
              <ul className="divide-subtle border-subtle divide-y rounded-md border ">
                {team?.members.map((member) => {
                  return <MemberListItem key={member.id} team={team} member={member} />;
                })}
              </ul>
            </div>
            <hr className="border-subtle my-8" />

            {team && session.data && (
              <DisableTeamImpersonation
                teamId={team.id}
                memberId={session.data.user.id}
                disabled={isInviteOpen}
              />
            )}
            <hr className="border-subtle my-8" />
          </div>
          {showMemberInvitationModal && team && (
            <MemberInvitationModal
              isOpen={showMemberInvitationModal}
              members={team.members}
              onExit={() => setShowMemberInvitationModal(false)}
              onSubmit={(values) => {
                inviteMemberMutation.mutate({
                  teamId,
                  language: i18n.language,
                  role: values.role,
                  usernameOrEmail: values.emailOrUsername,
                  sendEmailInvitation: values.sendInviteEmail,
                });
              }}
            />
          )}
        </>
      )}
    </>
  );
};

MembersView.getLayout = getLayout;

export default MembersView;