import { useState } from "react";
// buzzwareTech imports
import { ROLE } from "@buzzwaretech/constants";
import { Button } from "@buzzwaretech/propel/button";
import type { IWorkspaceMemberInvitation } from "@buzzwaretech/types";
import { Checkbox, Spinner } from "@buzzwaretech/ui";
import { truncateText } from "@buzzwaretech/utils";
// constants
import { WorkspaceLogo } from "@/components/workspace/logo";
// hooks
import { useWorkspace } from "@/hooks/store/use-workspace";
import { useUserSettings } from "@/hooks/store/user";
// services
import { WorkspaceService } from "@/services/workspace.service";
// local components
import { CommonOnboardingHeader } from "../common";

type Props = {
  invitations: IWorkspaceMemberInvitation[];
  handleNextStep: () => Promise<void>;
  handleCurrentViewChange: () => void;
};
const workspaceService = new WorkspaceService();

export function WorkspaceJoinInvitesStep(props: Props) {
  const { invitations, handleNextStep, handleCurrentViewChange } = props;
  // states
  const [isJoiningWorkspaces, setIsJoiningWorkspaces] = useState(false);
  const [invitationsRespond, setInvitationsRespond] = useState<string[]>([]);
  // store hooks
  const { fetchWorkspaces } = useWorkspace();
  const { fetchCurrentUserSettings } = useUserSettings();

  // handle invitation
  const handleInvitation = (
    workspace_invitation: IWorkspaceMemberInvitation,
    action: "accepted" | "withdraw",
  ) => {
    if (action === "accepted") {
      setInvitationsRespond((prevData) => [
        ...prevData,
        workspace_invitation.id,
      ]);
    } else if (action === "withdraw") {
      setInvitationsRespond((prevData) =>
        prevData.filter((item: string) => item !== workspace_invitation.id),
      );
    }
  };

  // submit invitations
  const submitInvitations = async () => {
    const invitation = invitations?.find(
      (invitation) => invitation.id === invitationsRespond[0],
    );

    if (invitationsRespond.length <= 0 && !invitation?.role) return;

    setIsJoiningWorkspaces(true);

    try {
      await workspaceService.joinWorkspaces({
        invitations: invitationsRespond,
      });
      await fetchWorkspaces();
      await fetchCurrentUserSettings();
      await handleNextStep();
    } catch (error: any) {
      console.error(error);
      setIsJoiningWorkspaces(false);
    }
  };

  return invitations && invitations.length > 0 ? (
    <div className="flex flex-col gap-10">
      <CommonOnboardingHeader
        title="Join invites or create a workspace"
        description="All your work — unified."
      />
      <div className="flex flex-col gap-3">
        {invitations &&
          invitations.length > 0 &&
          invitations.map((invitation) => {
            const isSelected = invitationsRespond.includes(invitation.id);
            const invitedWorkspace = invitation.workspace;
            return (
              <div
                key={invitation.id}
                className={`flex cursor-pointer items-center gap-2 rounded-lg border border-subtle px-3 py-2 hover:bg-surface-2`}
                onClick={() =>
                  handleInvitation(
                    invitation,
                    isSelected ? "withdraw" : "accepted",
                  )
                }
              >
                <div className="flex-shrink-0">
                  <WorkspaceLogo
                    logo={invitedWorkspace?.logo_url}
                    name={invitedWorkspace?.name}
                    classNames="size-8 flex-shrink-0 rounded-lg"
                  />
                </div>
                <div className="min-w-0 flex-1">
                  <div className="text-13 font-medium">
                    {truncateText(invitedWorkspace?.name, 30)}
                  </div>
                  <p className="text-11 text-secondary">
                    {ROLE[invitation.role]}
                  </p>
                </div>
                <span className={`flex-shrink-0`}>
                  <Checkbox checked={isSelected} />
                </span>
              </div>
            );
          })}
      </div>
      <div className="flex flex-col gap-4">
        <Button
          variant="primary"
          size="xl"
          className="w-full"
          onClick={submitInvitations}
          disabled={isJoiningWorkspaces || !invitationsRespond.length}
        >
          {isJoiningWorkspaces ? (
            <Spinner height="20px" width="20px" />
          ) : (
            "Continue"
          )}
        </Button>
        <Button
          variant="ghost"
          size="xl"
          className="w-full"
          onClick={handleCurrentViewChange}
          disabled={isJoiningWorkspaces}
        >
          Create new workspace
        </Button>
      </div>
    </div>
  ) : (
    <div>No Invitations found</div>
  );
}