import {ref} from "vue";
import {usePhotosStore} from "stores/Photos";
import {errorObject, successObject, warningObject} from "src/composables/dialog";
import {useQuasar} from "quasar";
import {usePointsOfInterestStore} from "stores/PointsOfInterest";
import {storeToRefs} from "pinia";
import {useFlightsStore} from "stores/Flights";

export const useBasicPhotoOperations = ({copilotUploadToken}) => {
  const $q = useQuasar();

  const {flight} = storeToRefs(useFlightsStore());
  const {photos} = storeToRefs(usePhotosStore());

  // TODO: V PRIVATNI CASTI JE TO ZATIM ROZBITE!!!


  const uploadInProgress = ref(false);
  const handlePhotosUpload = (data) => {
    const promises = [];
    uploadInProgress.value = true;

    for (const photo of data.photos) {
      promises.push(usePhotosStore().upload(flight.value.id, {photo, copilotUploadToken}).then((data) => {
        photos.value.push(data);
        photo._uploaded = true;
      }));
    }

    Promise.allSettled(promises).then((values) => {
      const success = values.filter(v => v.status === 'fulfilled');
      const failed = values.filter(v => v.status === 'rejected'); // TODO: nebo vse - success?

      if (success.length > 0)
        $q.notify(successObject(`Úspěšně nahráno ${success.length} fotek`));

      if (failed.length > 0)
        $q.notify(warningObject(`Nepovedlo se nahrát ${failed.length} fotek. Zde jsou důvody: ${failed.map(f => f.reason)}`));

      data.photos = [];
    }).finally(() => uploadInProgress.value = false);
  }

  const _findPhotoIndex = (photoId) => photos.value.findIndex((object) => object.id === photoId);
  const deletePhoto = (id) => {
    usePhotosStore().destroy(id, copilotUploadToken).then((data) => {
      photos.value.splice(_findPhotoIndex(data.id), 1);
    });
  }

  const batchRotatePhotos = (data) => {
    const selectedPhotos = data.photos;
    const direction = data.direction;

    const promises = [];
    for (const photo of selectedPhotos) {
      promises.push(usePhotosStore().changeOrientation(photo.id, direction, copilotUploadToken).then(data => {
        const idx = _findPhotoIndex(data.id);
        data.thumbnailUrl += "?t=" + (new Date()).getTime();
        photos.value[idx] = data;
      }));
    }

    let success = 0;
    Promise.allSettled(promises).then(result => {
      for (const item of result) {
        if (item.status === 'fulfilled') success++;
        else console.error(item.reason)
      }
      const error = result.length - success;
      if (success > 0) $q.notify(successObject("Otočeno " + success + " fotografií"));
      if (error > 0) $q.notify(errorObject(`Nepovedlo se otočit ${error} fotografi`))
    });
  }

  const updateSinglePhoto = (id, formData) => {
  formData.copilots = formData.copilots.map(c => ({id: c.id, name: c.name}));

  return usePhotosStore().update(id, formData).then((data) => {
    const idx = _findPhotoIndex(data.id);
    photos.value[idx] = data;
    usePointsOfInterestStore().fetch({});
  });
}

  return {
    uploadInProgress, handlePhotosUpload, batchRotatePhotos, deletePhoto, updateSinglePhoto
  }
}