import CameraRoll from '@react-native-community/cameraroll';
import {RefObject} from 'react';
import {Alert} from 'react-native';
import {
  RNCamera,
  TakePictureOptions,
  TakePictureResponse,
} from 'react-native-camera';
import ImagePicker, {Image, Video} from 'react-native-image-crop-picker';
import {ERROR_UPLOAD} from '../constants/strings';

/*
 * Captures a photo and pauses to show the preview of the picture taken
 */
export const takePicture = (
  cameraRef: RefObject<RNCamera>,
  callback: (pic: TakePictureResponse) => void,
) => {
  if (cameraRef !== null) {
    cameraRef.current?.pausePreview();
    const options: TakePictureOptions = {
      forceUpOrientation: true,
      orientation: 'portrait',
      writeExif: false,
    };
    cameraRef.current?.takePictureAsync(options).then((pic) => {
      callback(pic);
    });
  }
};

export const saveImageToGallery = (capturedImageURI: string) => {
  CameraRoll.save(capturedImageURI, {album: 'Recents', type: 'photo'})
    .then((_res) => Alert.alert('Saved to device!'))
    .catch((_err) => Alert.alert('Failed to save to device!'));
};

export const navigateToImagePicker = (callback: (pic: Image) => void) => {
  ImagePicker.openPicker({
    smartAlbums: [
      'Favorites',
      'RecentlyAdded',
      'SelfPortraits',
      'Screenshots',
      'UserLibrary',
    ],
    mediaType: 'photo',
  })
    .then((pic) => {
      callback(pic);
    })
    .catch((err) => {
      if (err.code && err.code !== 'E_PICKER_CANCELLED') {
        Alert.alert(ERROR_UPLOAD);
      }
    });
};

export const navigateToVideoPicker = (callback: (vid: Video) => void) => {
  ImagePicker.openPicker({
    mediaType: 'video',
  })
    .then(async (vid) => {
      if (vid.path) {
        callback(vid);
      }
    })
    .catch((err) => {
      if (err.code && err.code !== 'E_PICKER_CANCELLED') {
        Alert.alert(ERROR_UPLOAD);
      }
    });
};

export const showGIFFailureAlert = (onSuccess: () => void) =>
  Alert.alert(
    'Warning',
    'The app currently cannot handle GIFs, and will only save a static image.',
    [
      {
        text: 'Cancel',
        onPress: () => {},
        style: 'cancel',
      },
      {
        text: 'Post',
        onPress: onSuccess,
        style: 'default',
      },
    ],
    {
      cancelable: true,
      onDismiss: () =>
        Alert.alert(
          'This alert was dismissed by tapping outside of the alert dialog.',
        ),
    },
  );