import * as FileSystem from "expo-file-system";
import { all, call, select, takeLatest } from "redux-saga/effects";
import { handleUpload } from "../../util/document-upload.utility";
import PhotosActionTypes from "./photos.types";

export function* onRemoveAllPhotos() {
  yield takeLatest(PhotosActionTypes.REMOVE_ALL_PHOTOS, removeAllPhotosAction);
}
export function* removeAllPhotosAction() {
  try {
    //Physically delete all photosSagas.
    const fps = (yield FileSystem.readDirectoryAsync(
      FileSystem.documentDirectory + "photos"
    )).map((f) => {
      return FileSystem.documentDirectory + "photos/" + f;
    });
    const all = [];
    fps.forEach((f) => all.push(FileSystem.deleteAsync(f)));
    yield Promise.all(all);

    console.log("All photos deleted.");
  } catch (error) {
    console.log("Saga Error: onRemoveAllPhotos", error);
  }
}

export function* onUploadAllPhotos() {
  yield takeLatest(
    PhotosActionTypes.UPLOAD_ALL_PHOTOS_START,
    uploadAllPhotosAction
  );
}
export function* uploadAllPhotosAction() {
  try {
    const photos = yield select((state) => state.photos.photos);
    const bodyshop = yield select((state) => state.user.bodyshop);
    const user = yield select((state) => state.user);
    const actions = [];
    photos.forEach(async (p) =>
      actions.push(
        handleUpload(
          {
            file: await (await fetch(p.uri)).blob(),

            onError: (props) => {
              console.log("Error Callback", props);
            },
            onProgress: (props) => {
              console.log("Progress Calback", props);
            },
            onSuccess: (props) => {
              console.log("Success Calback", props);
            },
          },
          {
            bodyshop: bodyshop,
            jobId: p.jobId,
            uploaded_by: user.currentUser.email,
            callback: (props) => {
              console.log("Context Callback", props);
            },
            photo: {
              ...p,
              name: p.uri.substring(p.uri.lastIndexOf("/") + 1),
            },
          }
        )
      )
    );
    yield Promise.all(actions);
  } catch (error) {
    console.log("Saga Error: onRemoveAllPhotos", error);
  }
}

export function* photosSagas() {
  yield all([call(onRemoveAllPhotos), call(onUploadAllPhotos)]);
}