import { ChildProcessWithoutNullStreams } from "child_process";
import { getMainWindow } from "../main-window";
import logit from "./logit";

/**
 * The saved image path so that the select image dialog can open to the last used path.
 */
export let savedImagePath: string | undefined = "";
export function setSavedImagePath(value: string | undefined): void {
  savedImagePath = value;
  logit("🖼️ Updating Image Path: ", savedImagePath);
}

/**
 * The saved folder path so that the select folder to upscayl dialog can open to the last used path.
 */
export let savedBatchUpscaylFolderPath: string | undefined = undefined;
export function setSavedBatchUpscaylFolderPath(
  value: string | undefined,
): void {
  savedBatchUpscaylFolderPath = value;
  logit("📁 Updating Folder Path: ", savedBatchUpscaylFolderPath);
}

/**
 * The saved custom models folder path so that we can load the list of custom models from that folder on startup.
 */
export let savedCustomModelsPath: string | undefined = undefined;
export function setSavedCustomModelsPath(value: string | undefined): void {
  savedCustomModelsPath = value;
  logit("📁 Updating Custom Models Folder Path: ", savedCustomModelsPath);
}

/**
 * The stopped variable to stop the batch upscayl process.
 */
export let stopped = false;

/**
 * The child processes array to store the spawned upscayl processes.
 */
export let childProcesses: {
  process: ChildProcessWithoutNullStreams;
  kill: () => boolean;
}[] = [];

/**
 * The turn off notifications variable, so that we can load this value on startup.
 */
export let turnOffNotifications: boolean = false;
export function setTurnOffNotifications(value: boolean): void {
  turnOffNotifications = value;
  logit("🔕 Updating Turn Off Notifications: ", turnOffNotifications);
}

// SETTERS
export function setStopped(value: boolean): void {
  stopped = value;
  logit("🛑 Updating Stopped: ", stopped);
}

export function setChildProcesses(value: {
  process: ChildProcessWithoutNullStreams;
  kill: () => boolean;
}): void {
  childProcesses.push(value);
  logit(
    "👶 Updating Child Processes: ",
    JSON.stringify({
      binary: childProcesses[0].process.spawnfile,
      args: childProcesses[0].process.spawnargs,
    }),
  );
}

// LOCAL STORAGE
export function fetchLocalStorage(): void {
  const mainWindow = getMainWindow();
  if (!mainWindow) return;

  // GET LAST IMAGE PATH TO LOCAL STORAGE
  mainWindow.webContents
    .executeJavaScript('localStorage.getItem("lastImagePath");', true)
    .then((lastImagePath: string | null) => {
      if (lastImagePath && lastImagePath.length > 0) {
        setSavedImagePath(lastImagePath);
      }
    });
  // GET LAST FOLDER PATH TO LOCAL STORAGE
  mainWindow.webContents
    .executeJavaScript(
      'localStorage.getItem("lastSavedBatchUpscaylFolderPath");',
      true,
    )
    .then((lastSavedBatchUpscaylFolderPath: string | null) => {
      if (
        lastSavedBatchUpscaylFolderPath &&
        lastSavedBatchUpscaylFolderPath.length > 0
      ) {
        setSavedBatchUpscaylFolderPath(lastSavedBatchUpscaylFolderPath);
      }
    });
  // GET LAST CUSTOM MODELS FOLDER PATH TO LOCAL STORAGE
  mainWindow.webContents
    .executeJavaScript('localStorage.getItem("customModelsFolderPath");', true)
    .then((value: string | null) => {
      if (value && value.length > 0) {
        setSavedCustomModelsPath(value);
      }
    });

  // GET TURN OFF NOTIFICATIONS (BOOLEAN) FROM LOCAL STORAGE
  mainWindow.webContents
    .executeJavaScript('localStorage.getItem("turnOffNotifications");', true)
    .then((lastSaved: string | null) => {
      if (lastSaved !== null) {
        setTurnOffNotifications(lastSaved === "true");
      }
    });
}