import { FC, useMemo } from "react";
// hooks
import { TOAST_TYPE, setPromiseToast, setToast } from "@plane/ui";
import { useEventTracker, useIssueDetail } from "hooks/store";
// ui
// components
import { IssueAttachmentUpload } from "./attachment-upload";
import { IssueAttachmentsList } from "./attachments-list";
// constants
import { E_ISSUE_DETAILS } from "constants/event-tracker";

export type TIssueAttachmentRoot = {
  workspaceSlug: string;
  projectId: string;
  issueId: string;
  disabled?: boolean;
};

export type TAttachmentOperations = {
  create: (data: FormData) => Promise<void>;
  remove: (linkId: string) => Promise<void>;
};

export const IssueAttachmentRoot: FC<TIssueAttachmentRoot> = (props) => {
  // props
  const { workspaceSlug, projectId, issueId, disabled = false } = props;
  // hooks
  const { createAttachment, removeAttachment } = useIssueDetail();
  const { captureIssueEvent } = useEventTracker();

  const handleAttachmentOperations: TAttachmentOperations = useMemo(
    () => ({
      create: async (data: FormData) => {
        try {
          if (!workspaceSlug || !projectId || !issueId) throw new Error("Missing required fields");

          const attachmentUploadPromise = createAttachment(workspaceSlug, projectId, issueId, data);
          setPromiseToast(attachmentUploadPromise, {
            loading: "Uploading attachment...",
            success: {
              title: "Attachment uploaded",
              message: () => "The attachment has been successfully uploaded",
            },
            error: {
              title: "Attachment not uploaded",
              message: () => "The attachment could not be uploaded",
            },
          });

          const res = await attachmentUploadPromise;
          captureIssueEvent({
            eventName: "Issue attachment added",
            payload: { id: issueId, state: "SUCCESS", element: E_ISSUE_DETAILS },
            updates: {
              changed_property: "attachment",
              change_details: res.id,
            },
          });
        } catch (error) {
          captureIssueEvent({
            eventName: "Issue attachment added",
            payload: { id: issueId, state: "FAILED", element: E_ISSUE_DETAILS },
          });
        }
      },
      remove: async (attachmentId: string) => {
        try {
          if (!workspaceSlug || !projectId || !issueId) throw new Error("Missing required fields");
          await removeAttachment(workspaceSlug, projectId, issueId, attachmentId);
          setToast({
            message: "The attachment has been successfully removed",
            type: TOAST_TYPE.SUCCESS,
            title: "Attachment removed",
          });
          captureIssueEvent({
            eventName: "Issue attachment deleted",
            payload: { id: issueId, state: "SUCCESS", element: E_ISSUE_DETAILS },
            updates: {
              changed_property: "attachment",
              change_details: "",
            },
          });
        } catch (error) {
          captureIssueEvent({
            eventName: "Issue attachment deleted",
            payload: { id: issueId, state: "FAILED", element: E_ISSUE_DETAILS },
            updates: {
              changed_property: "attachment",
              change_details: "",
            },
          });
          setToast({
            message: "The Attachment could not be removed",
            type: TOAST_TYPE.ERROR,
            title: "Attachment not removed",
          });
        }
      },
    }),
    [workspaceSlug, projectId, issueId, createAttachment, removeAttachment, setToast, captureIssueEvent]
  );

  return (
    <div className="relative py-3 space-y-3">
      <h3 className="text-lg">Attachments</h3>
      <div className="grid grid-cols-1 gap-3 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4">
        <IssueAttachmentUpload
          workspaceSlug={workspaceSlug}
          disabled={disabled}
          handleAttachmentOperations={handleAttachmentOperations}
        />
        <IssueAttachmentsList
          issueId={issueId}
          disabled={disabled}
          handleAttachmentOperations={handleAttachmentOperations}
        />
      </div>
    </div>
  );
};
