// react
import { useState } from "react";
// next
import Image from "next/image";
import useSWR from "swr";
// services
import projectService from "lib/services/project.service";
// hooks
import useUser from "lib/hooks/useUser";
import useToast from "lib/hooks/useToast";
// components
import ConfirmProjectMemberRemove from "components/project/confirm-project-member-remove";
import SendProjectInvitationModal from "components/project/send-project-invitation-modal";
// ui
import { Button, CustomListbox, CustomMenu, Spinner } from "ui";
// fetch-keys
import { PROJECT_INVITATIONS, PROJECT_MEMBERS } from "constants/fetch-keys";
import { PlusIcon } from "@heroicons/react/24/outline";

type Props = { projectId: string };

const ROLE = {
  5: "Guest",
  10: "Viewer",
  15: "Member",
  20: "Admin",
};

const MembersSettings: React.FC<Props> = ({ projectId }) => {
  const [selectedMember, setSelectedMember] = useState<string | null>(null);
  const [selectedRemoveMember, setSelectedRemoveMember] = useState<string | null>(null);
  const [selectedInviteRemoveMember, setSelectedInviteRemoveMember] = useState<string | null>(null);
  const [inviteModal, setInviteModal] = useState(false);

  const { activeWorkspace } = useUser();

  const { setToastAlert } = useToast();

  const { data: projectMembers, mutate: mutateMembers } = useSWR(
    activeWorkspace && projectId ? PROJECT_MEMBERS(projectId as string) : null,
    activeWorkspace && projectId
      ? () => projectService.projectMembers(activeWorkspace.slug, projectId as any)
      : null,
    {
      onErrorRetry(err, _, __, revalidate, revalidateOpts) {
        if (err?.status === 403) return;
        setTimeout(() => revalidate(revalidateOpts), 5000);
      },
    }
  );

  const { data: projectInvitations, mutate: mutateInvitations } = useSWR(
    activeWorkspace && projectId ? PROJECT_INVITATIONS : null,
    activeWorkspace && projectId
      ? () => projectService.projectInvitations(activeWorkspace.slug, projectId as any)
      : null
  );

  let members = [
    ...(projectMembers?.map((item: any) => ({
      id: item.id,
      avatar: item.member?.avatar,
      first_name: item.member?.first_name,
      last_name: item.member?.last_name,
      email: item.member?.email,
      role: item.role,
      status: true,
      member: true,
    })) || []),
    ...(projectInvitations?.map((item: any) => ({
      id: item.id,
      avatar: item.avatar ?? "",
      first_name: item.first_name ?? item.email,
      last_name: item.last_name ?? "",
      email: item.email,
      role: item.role,
      status: item.accepted,
      member: false,
    })) || []),
  ];

  return (
    <>
      <ConfirmProjectMemberRemove
        isOpen={Boolean(selectedRemoveMember) || Boolean(selectedInviteRemoveMember)}
        onClose={() => {
          setSelectedRemoveMember(null);
          setSelectedInviteRemoveMember(null);
        }}
        data={members.find(
          (item) => item.id === selectedRemoveMember || item.id === selectedInviteRemoveMember
        )}
        handleDelete={async () => {
          if (!activeWorkspace || !projectId) return;
          if (selectedRemoveMember) {
            await projectService.deleteProjectMember(
              activeWorkspace.slug,
              projectId as string,
              selectedRemoveMember
            );
            mutateMembers(
              (prevData) => prevData?.filter((item: any) => item.id !== selectedRemoveMember),
              false
            );
          }
          if (selectedInviteRemoveMember) {
            await projectService.deleteProjectInvitation(
              activeWorkspace.slug,
              projectId as string,
              selectedInviteRemoveMember
            );
            mutateInvitations(
              (prevData) => prevData?.filter((item: any) => item.id !== selectedInviteRemoveMember),
              false
            );
          }
          setToastAlert({
            type: "success",
            message: "Member removed successfully",
            title: "Success",
          });
        }}
      />
      <SendProjectInvitationModal
        isOpen={inviteModal}
        setIsOpen={setInviteModal}
        members={members}
      />
      <section className="space-y-8">
        <div>
          <h3 className="text-3xl font-bold leading-6 text-gray-900">Members</h3>
          <p className="mt-4 text-sm text-gray-500">Manage all the members of the project.</p>
        </div>
        {!projectMembers || !projectInvitations ? (
          <div className="h-full w-full grid place-items-center px-4 sm:px-0">
            <Spinner />
          </div>
        ) : (
          <div className="md:w-2/3">
            <div className="flex justify-between items-center gap-2">
              <h4 className="text-md leading-6 text-gray-900 mb-1">Manage members</h4>
              <Button
                theme="secondary"
                className="flex items-center gap-x-1"
                onClick={() => setInviteModal(true)}
              >
                <PlusIcon className="h-4 w-4" />
                Add Member
              </Button>
            </div>
            <div className="space-y-6 mt-6">
              {members.length > 0
                ? members.map((member) => (
                    <div key={member.id} className="flex justify-between items-center">
                      <div className="flex items-center gap-x-8 gap-y-2">
                        <div className="h-10 w-10 p-4 flex items-center justify-center bg-gray-700 text-white rounded uppercase relative">
                          {member.avatar && member.avatar !== "" ? (
                            <Image
                              src={member.avatar}
                              alt={member.first_name}
                              layout="fill"
                              objectFit="cover"
                              className="rounded"
                            />
                          ) : (
                            member.first_name.charAt(0) ?? "N"
                          )}
                        </div>
                        <div>
                          <h4 className="text-sm">
                            {member.first_name} {member.last_name}
                          </h4>
                          <p className="text-xs text-gray-500">{member.email}</p>
                        </div>
                      </div>
                      <div className="flex items-center gap-2 text-xs">
                        {selectedMember === member.id ? (
                          <CustomListbox
                            options={Object.keys(ROLE).map((key) => ({
                              value: key,
                              display: ROLE[parseInt(key) as keyof typeof ROLE],
                            }))}
                            title={ROLE[member.role as keyof typeof ROLE] ?? "Select Role"}
                            value={member.role}
                            onChange={(value) => {
                              if (!activeWorkspace || !projectId) return;
                              projectService
                                .updateProjectMember(
                                  activeWorkspace.slug,
                                  projectId as string,
                                  member.id,
                                  {
                                    role: value,
                                  }
                                )
                                .then((res) => {
                                  setToastAlert({
                                    type: "success",
                                    message: "Member role updated successfully.",
                                    title: "Success",
                                  });
                                  mutateMembers(
                                    (prevData: any) =>
                                      prevData.map((m: any) => {
                                        return m.id === selectedMember
                                          ? { ...m, ...res, role: value }
                                          : m;
                                      }),
                                    false
                                  );
                                  setSelectedMember(null);
                                })
                                .catch((err) => {
                                  console.log(err);
                                });
                            }}
                          />
                        ) : (
                          ROLE[member.role as keyof typeof ROLE] ?? "None"
                        )}
                        <CustomMenu ellipsis>
                          <CustomMenu.MenuItem
                            onClick={() => {
                              if (!member.member) {
                                setToastAlert({
                                  type: "error",
                                  message: "You can't edit a pending invitation.",
                                  title: "Error",
                                });
                              } else {
                                setSelectedMember(member.id);
                              }
                            }}
                          >
                            Edit
                          </CustomMenu.MenuItem>
                          <CustomMenu.MenuItem
                            onClick={() => {
                              if (member.member) {
                                setSelectedRemoveMember(member.id);
                              } else {
                                setSelectedInviteRemoveMember(member.id);
                              }
                            }}
                          >
                            Remove
                          </CustomMenu.MenuItem>
                        </CustomMenu>
                      </div>
                    </div>
                  ))
                : null}
            </div>
          </div>
        )}
      </section>
    </>
  );
};

export default MembersSettings;