// @flow
import React from 'react';
import { View, Text, TouchableOpacity } from 'react-native';
import theme from '../ui-theme';
import { Divider } from 'react-native-material-ui';
import FoodItemRecord from '../records/FoodItemRecord';
import PlaceRecord from '../records/PlaceRecord';
import NameModal from '../modals/FoodItemNameModal';
import CategoryModal from '../modals/CategoryModal';
import ImagePreviewModal from '../modals/ImagePreviewModal';
import {
	compose,
	branch,
	withState,
	withHandlers,
	renderComponent,
	mapProps,
	lifecycle,
} from 'recompose';
import RNGooglePlaces from 'react-native-google-places';
import { ImageThumb, ImagePicker } from '../components/ImagePicker';
import { withCreateFoodItemState } from '../enhancers/createFoodItemEnhancers';
import { withPlaceForFoodItem, withPlaceId, withPlaceActions } from '../enhancers/placeEnhancers';
import Spinner from 'react-native-loading-spinner-overlay';
import { openImagePicker } from '../helpers/ImagePickerHelpers';
import { IndexedSeq } from 'immutable';
import Snackbar from 'react-native-snackbar';
import { getCategoryText } from '../helpers/CategoryHelpers';
import { getQuantityDropdownText } from '../helpers/QuantityHelpers';
import QuantityModal from '../modals/QuantityModal';
import { wrapModalComponent } from '../modals/FullScreenModal';
import { withAuthRedirect } from '../enhancers/authEnhancers';

type Props = {
	foodItem: typeof FoodItemRecord,
	setPropOfFoodItem: Function,
	toggleNameModal: Function,
	setFoodItem: Function,
	setModalsVisible: Function,
	place: ?PlaceRecord,
	updatePlace: (place: GooglePlaceObject) => void,
	addImage: (uri: string) => void,
	setImagePreview: (imageURI?: string) => void,
	loading: boolean,
	setLoading: (arg: boolean) => void,
	emitPlace: (place: Object) => void,
	withFoodItemsAsSeq: IndexedSeq<FoodItemRecord>,
	toggleCategoryModal: () => void,
	toggleQuantityModal: () => void,
};

type GooglePlaceObject = {
	placeID: string,
	latitude: number,
	longitude: number,
	name: string,
	address: string,
};

const fieldStyle = {
	paddingTop: 24,
	paddingLeft: 8,
	paddingRight: 8,
};

const fieldNameStyle = {
	fontSize: 16,
	paddingBottom: 8,
};

const Field = ({
	onPress,
	text = '',
	placeholder,
}: {
	onPress?: Function,
	text: string,
	placeholder?: string,
}) => (
	<TouchableOpacity style={fieldStyle} onPress={onPress}>
		<Text style={[fieldNameStyle, !text && { color: theme.palette.disabledColor }]}>
			{text || placeholder}
		</Text>
		<Divider />
	</TouchableOpacity>
);

const openPlaceModal = (onChoosePlace: (place: GooglePlaceObject) => void) => () => {
	RNGooglePlaces.openAutocompleteModal({ type: 'establishment' }).then(onChoosePlace);
};

const CreateFoodItem = (props: Props) => {
	const {
		foodItem,
		toggleNameModal,
		updatePlace,
		addImage,
		setImagePreview,
		loading,
		place,
		toggleCategoryModal,
		toggleQuantityModal,
	} = props;

	return (
		<View style={{ ...theme.page.container, backgroundColor: 'white', padding: 10 }}>
			<Spinner visible={loading} />
			<Field text={foodItem.name} onPress={toggleNameModal} placeholder="Name" />
			<Field text={place && place.name} onPress={openPlaceModal(updatePlace)} placeholder="Place" />
			<Field
				text={foodItem.category && getCategoryText(foodItem.category)}
				onPress={toggleCategoryModal}
				placeholder="Category"
			/>
			<Field
				text={foodItem.quantity && getQuantityDropdownText(foodItem.quantity)}
				onPress={toggleQuantityModal}
				placeholder="Quantity"
			/>
			<ImagePicker onCreateNew={addImage}>
				{foodItem.images.map((imageURI: string) => (
					<ImageThumb key={imageURI} uri={imageURI} onPress={() => setImagePreview(imageURI)} />
				))}
			</ImagePicker>
		</View>
	);
};

const ImagePreviewComp = compose(
	renderComponent,
	mapProps(({ foodItem, setFoodItem, setImagePreview, imagePreview }) => {
		return {
			onClose: () => setImagePreview(-1),
			onDelete: () => {
				setFoodItem(foodItem.deleteIn(['images', imagePreview]));
				setImagePreview(null);
			},
			imageSrc: foodItem.images.get(imagePreview),
		};
	})
)(ImagePreviewModal);

const setPropOfFoodItem = ({ foodItem, setFoodItem }: Props) => (prop: string) => (value: any) => {
	setFoodItem(foodItem.set(prop, value));
};

const addImage = ({ foodItem, setFoodItem }: Props) => async () => {
	const { path } = await openImagePicker();
	Snackbar.show({
		title: 'Photo added.',
	});
	setFoodItem(foodItem.update('images', images => images.add(path)));
};

const updatePlace = ({ foodItem, setFoodItem, emitPlace }: Props) => placeDetails => {
	const { placeID, latitude, longitude } = placeDetails;

	emitPlace(
		new PlaceRecord({
			...placeDetails,
			id: placeID,
		})
	);

	setFoodItem(
		foodItem.merge({
			placeId: placeID,
			latitude,
			longitude,
		})
	);
};

export default compose(
	withAuthRedirect,
	withCreateFoodItemState,
	withPlaceId,
	withPlaceForFoodItem,
	withPlaceActions,
	withState('nameModalOpen', 'setNameModalOpen', false),
	withState('imagePreview', 'setImagePreview', null),
	withState('categoryModalOpen', 'setCategoryModalOpen', false),
	withState('quantityModalOpen', 'setQuantityModalOpen', false),
	withHandlers({
		setPropOfFoodItem,
		addImage,
		updatePlace,
		toggleNameModal: ({ nameModalOpen, setNameModalOpen }) => () => {
			setNameModalOpen(!nameModalOpen);
		},
		toggleCategoryModal: ({ categoryModalOpen, setCategoryModalOpen }) => () => {
			setCategoryModalOpen(!categoryModalOpen);
		},
		toggleQuantityModal: ({ quantityModalOpen, setQuantityModalOpen }) => () => {
			setQuantityModalOpen(!quantityModalOpen);
		},
	}),
	withHandlers({
		setQuantity: ({ setPropOfFoodItem }) => setPropOfFoodItem('quantity'),
		setCategory: ({ setPropOfFoodItem }) => setPropOfFoodItem('category'),
		setName: ({ setPropOfFoodItem }) => setPropOfFoodItem('name'),
	}),
	lifecycle({
		componentDidMount() {
			const { placeId, setFoodItem } = this.props;
			setFoodItem(new FoodItemRecord({ placeId }));
		},
	}),
	branch(
		({ nameModalOpen }) => !!nameModalOpen,
		wrapModalComponent({
			component: NameModal,
			onCloseProp: 'toggleNameModal',
			onUpdateProp: 'setName',
		})
	),
	branch(({ imagePreview }) => !!imagePreview, ImagePreviewComp),
	branch(
		({ categoryModalOpen }) => !!categoryModalOpen,
		wrapModalComponent({
			component: CategoryModal,
			onCloseProp: 'toggleCategoryModal',
			onUpdateProp: 'setCategory',
		})
	),
	branch(
		({ quantityModalOpen }) => !!quantityModalOpen,
		wrapModalComponent({
			component: QuantityModal,
			onCloseProp: 'toggleQuantityModal',
			onUpdateProp: 'setQuantity',
		})
	)
)(CreateFoodItem);