import * as React from "bloatless-react";

import StorageModel, {
  PATH_COMPONENT_SEPARATOR,
} from "../../Model/Global/storageModel";

import CoreViewModel from "./coreViewModel";
import { translations } from "../../View/translations";

export default class StorageViewModel {
  storageModel: StorageModel;

  // state
  isShowingStorageModal: React.State<boolean> = new React.State(false);
  selectedPath: React.State<string> = new React.State(PATH_COMPONENT_SEPARATOR);
  didMakeChanges: React.State<boolean> = new React.State(false);

  selectedFileName: React.State<string>;
  selectedFileContent: React.State<string>;

  lastDeletedItemPath: React.State<string> = new React.State("");

  // methods
  getSelectedItemContent = (): string => {
    const path = StorageModel.stringToPathComponents(this.selectedPath.value);
    const content = this.storageModel.read(path);
    return (
      (content ?? translations.storage.notAFile) ||
      translations.storage.contentEmpty
    );
  };

  deleteSelectedItem = (): void => {
    const path = StorageModel.stringToPathComponents(this.selectedPath.value);
    this.lastDeletedItemPath.value = this.selectedPath.value;

    this.storageModel.removeRecursively(path);
    this.didMakeChanges.value = true;
  };

  // view
  showStorageModal = (): void => {
    this.isShowingStorageModal.value = true;
  };

  hideStorageModal = (): void => {
    if (this.didMakeChanges.value == true) {
      window.location.reload();
      return;
    }
    this.isShowingStorageModal.value = false;
  };

  // init
  constructor(public coreViewModel: CoreViewModel, storageModel: StorageModel) {
    this.storageModel = storageModel;

    this.selectedFileName = React.createProxyState([this.selectedPath], () =>
      StorageModel.getFileNameFromString(this.selectedPath.value)
    );
    this.selectedFileContent = React.createProxyState([this.selectedPath], () =>
      this.getSelectedItemContent()
    );
  }
}