import {
	Button,
	CardDivider,
	Modal,
	Tooltip,
	__experimentalText as Text,
	__experimentalSpacer as Spacer,
	Card,
	CardBody,
	Flex,
	Spinner,
} from '@wordpress/components';
import { Badge } from '@wordpress/ui';
import { __ } from '@wordpress/i18n';
import { useCollapsibleCard } from '../internal/useCollapsibleCard';
import { addressStore } from 'data/address';
import { ADDRESS_TYPES } from 'data/constants';
import { dispatch, useSelect } from '@wordpress/data';
import { useLabelPurchaseContext } from 'context/label-purchase';
import { useEffect, useRef, useState } from '@wordpress/element';
import {
	addressToString,
	areAddressesClose,
	areAllOriginsUnverified,
	camelCaseKeys,
	composeName,
	formatAddressFields,
	snakeCaseKeys,
} from 'utils';
import { AddressStep } from 'components/address-step';
import { pencil as edit } from '@wordpress/icons';
import { Destination, Order, OriginAddress } from 'types';
import { ShipFromSelectV2 } from '../internal/ship-from-select-v2';
import { withBoundaryNext } from 'components/HOC/error-boundary/with-boundary-next';

const firstFilled = ( arr: ( string | undefined )[] ) => {
	for ( const item of arr ) {
		if ( item && item.trim().length > 0 ) {
			return item;
		}
	}
	return '';
};

const getAddressSummary = (
	originAddress: OriginAddress,
	destinationAddress: Destination
) => {
	return `${ firstFilled( [
		originAddress?.company,
		originAddress?.name,
		__( 'No name provided', 'woocommerce-shipping' ),
	] ) } (${
		originAddress
			? `${ originAddress.city }, ${ originAddress.state } ${ originAddress.postcode }`
			: __( 'No address provided', 'woocommerce-shipping' )
	}) → ${
		destinationAddress
			? `${ destinationAddress.city }, ${ destinationAddress.state } ${ destinationAddress.postcode }`
			: __( 'No address provided', 'woocommerce-shipping' )
	}`;
};

const AddressBlock = ( {
	address,
	children,
}: {
	address: Destination | OriginAddress;
	children?: React.ReactNode;
} ) => (
	<Flex direction={ 'column' } gap={ 1 }>
		<Text weight={ 500 }>
			{ address &&
				firstFilled( [
					address.company,
					composeName( {
						first_name:
							address.firstName ??
							( address as any ).first_name ?? // eslint-disable-line
							'',
						last_name:
							address.lastName ??
							( address as any ).last_name ?? // eslint-disable-line
							'',
						name: address.name ?? '',
					} ),
					__( 'No name provided', 'woocommerce-shipping' ),
				] ) }
		</Text>
		<Text weight={ 400 }>
			{ address &&
				firstFilled( [
					address.phone,
					__( 'No phone provided', 'woocommerce-shipping' ),
				] ) }
		</Text>
		<Flex
			direction={ 'row' }
			align="flex-end"
			justify="flex-start"
			gap={ 2 }
			wrap={ false }
		>
			<Text truncate numberOfLines={ 2 }>
				{ address
					? addressToString( address )
					: __( 'No address provided', 'woocommerce-shipping' ) }
			</Text>
			{ children }
		</Flex>
	</Flex>
);

const AddressesCardComponent = ( {
	order,
	destinationAddress,
}: {
	order: Order;
	destinationAddress: Destination | OriginAddress;
} ) => {
	const [ isDestinationModalOpen, setIsDestinationModalOpen ] =
		useState( false );
	const [ isOriginModalOpen, setIsOriginModalOpen ] = useState( false );
	const [ isRecipientAddressHovered, setIsRecipientAddressHovered ] =
		useState( false );
	const [ isOriginAddressHovered, setIsOriginAddressHovered ] =
		useState( false );
	const isDestinationAddressVerified = useSelect(
		( select ) =>
			select( addressStore ).getIsAddressVerified(
				ADDRESS_TYPES.DESTINATION
			),
		[]
	);
	const isDestinationAddressVerifying = useSelect(
		( select ) =>
			select( addressStore ).getIsAddressVerificationInProgress(
				ADDRESS_TYPES.DESTINATION
			),
		[]
	);
	const normalisedDestinationAddress = useSelect(
		( select ) =>
			select( addressStore ).getNormalizedAddress(
				ADDRESS_TYPES.DESTINATION
			),
		[]
	);
	const {
		rates: { updateRates },
		labels: { hasPurchasedLabel },
		shipment: { getShipmentOrigin, getShipmentPurchaseOrigin },
	} = useLabelPurchaseContext();

	const origins = useSelect(
		( select ) => select( addressStore ).getOriginAddresses(),
		[]
	);

	const allOriginsUnverified = areAllOriginsUnverified( origins );

	// Refresh origin addresses on mount so we pick up changes made on the settings page.
	useEffect( () => {
		dispatch( addressStore ).fetchOriginAddresses();
	}, [] ); // eslint-disable-line react-hooks/exhaustive-deps

	const originAddress = ! hasPurchasedLabel( false )
		? ( getShipmentOrigin() as OriginAddress )
		: ( getShipmentPurchaseOrigin() as OriginAddress );

	/**
	 * 1) We need to run the auto verification process only once but the useEffect runs on every render. So we use a ref
	 * to keep track of it, but if `normalisedDestinationAddress` is not defined yet, we want to allow it to run again
	 * that's why passing an empty dependency array wouldn't work, and we need to use a ref to keep track of the
	 * effective runs
	 *
	 * 2) We should also not run the auto verification process if the address modal is open.
	 *
	 */
	const hasAutoVerificationRunOnce = useRef( false );

	useEffect(
		() => {
			if (
				hasAutoVerificationRunOnce.current ||
				isDestinationModalOpen
			) {
				return;
			}

			// Check if the destination address is verified, if not, run it through the normalization process and then through areAddressesClose to determine if it's close enough to auto verify the address.
			const verifyShippingAddress = async () => {
				if ( isDestinationAddressVerified ) {
					return Promise.resolve();
				}

				await dispatch( addressStore ).verifyOrderShippingAddress( {
					orderId: String( order.id ),
				} );

				// If destination address is not verified, lets normalize it and check if it's close to the verified address and then auto verify it.
				if ( ! isDestinationAddressVerified ) {
					if ( ! normalisedDestinationAddress ) {
						return Promise.resolve();
					}

					// Set the flag to true so that the auto verification process runs only once.
					hasAutoVerificationRunOnce.current = true;

					const transformedNormalisedAddress = {
						...normalisedDestinationAddress,
					};

					const shouldAutoVerify = areAddressesClose(
						transformedNormalisedAddress,
						destinationAddress
					);

					if ( ! shouldAutoVerify ) {
						return Promise.resolve();
					}

					// If made it till here, verify the address.
					await dispatch( addressStore ).updateShipmentAddress(
						{
							orderId: order.id ? String( order.id ) : '',
							address: transformedNormalisedAddress,
							isVerified: true, // Either the address is verified or the normalized address is selected
						},
						ADDRESS_TYPES.DESTINATION
					);
				}

				return Promise.resolve();
			};

			verifyShippingAddress();
		},
		// eslint-disable-next-line react-hooks/exhaustive-deps -- isAddressModalOpen is not a dependency
		[
			order,
			destinationAddress,
			isDestinationAddressVerified,
			normalisedDestinationAddress,
		]
	);

	const onCompleteCallback = () => {
		setIsDestinationModalOpen( false );
		updateRates();
	};

	const onOriginCompleteCallback = () => {
		setIsOriginModalOpen( false );
		updateRates();
	};

	const { CardHeader, isOpen } = useCollapsibleCard( true );
	return (
		<Card>
			<CardHeader isBorderless iconSize={ 'small' }>
				<Flex direction={ 'row' } align="space-between">
					<Text weight={ 500 } size={ 15 }>
						{ __( 'Addresses', 'woocommerce-shipping' ) }
					</Text>
					{ ! isOpen && (
						<>
							{ isDestinationAddressVerifying ? (
								<Flex
									direction="row"
									align="center"
									justify="flex-end"
									gap={ 0 }
								>
									<div style={ { marginTop: -2 } }>
										<Spinner />
									</div>
									<Text as="span" weight={ 400 } size={ 12 }>
										{ __(
											'Validating address…',
											'woocommerce-shipping'
										) }
									</Text>
								</Flex>
							) : (
								<>
									{ ! isDestinationAddressVerified && (
										<Badge intent="low">
											{ __(
												'Review recipient address',
												'woocommerce-shipping'
											) }
										</Badge>
									) }
									{ allOriginsUnverified && (
										<Badge intent="low">
											{ __(
												'Review sender address',
												'woocommerce-shipping'
											) }
										</Badge>
									) }
								</>
							) }
						</>
					) }
					{ isDestinationAddressVerified &&
						! allOriginsUnverified &&
						! isOpen && (
							<Tooltip
								text={ getAddressSummary(
									originAddress,
									destinationAddress
								) }
							>
								<Text
									as="span"
									weight={ 400 }
									size={ 13 }
									style={ {
										maxWidth: '350px',
										overflow: 'hidden',
										textOverflow: 'ellipsis',
										whiteSpace: 'nowrap',
									} }
								>
									{ getAddressSummary(
										originAddress,
										destinationAddress
									) }
								</Text>
							</Tooltip>
						) }
				</Flex>
			</CardHeader>
			{ isOpen && (
				<CardBody style={ { padding: 0, paddingBottom: 0 } }>
					<Flex direction="column" gap={ 0 } justify="space-between">
						<Spacer
							paddingX={ 6 }
							paddingBottom={ 4 }
							marginBottom={ 0 }
							onMouseEnter={ () => {
								setIsOriginAddressHovered( true );
							} }
							onMouseLeave={ () => {
								setIsOriginAddressHovered( false );
							} }
						>
							<Flex direction={ 'column' } gap={ 1 }>
								<Flex
									direction="row"
									align="flex-start"
									gap={ 4 }
								>
									<Text
										size={ 11 }
										weight={ 500 }
										lineHeight={ '24px' }
										variant="muted"
										upperCase
									>
										{ __(
											'Sender',
											'woocommerce-shipping'
										) }
									</Text>
									{ origins.length <= 1 &&
									( isOriginAddressHovered ||
										allOriginsUnverified ) ? (
										<Button
											onClick={ () =>
												setIsOriginModalOpen( true )
											}
											icon={ edit }
											iconSize={ 24 }
											title={ __(
												'Click to update address',
												'woocommerce-shipping'
											) }
											style={ {
												color: '#1E1E1E',
												height: 24,
												width: 24,
												minWidth: 24,
												padding: 0,
											} }
										/>
									) : (
										' '
									) }
								</Flex>
								{ ! hasPurchasedLabel( false ) &&
								origins.length > 1 ? (
									<ShipFromSelectV2
										disabled={ hasPurchasedLabel( false ) }
									/>
								) : (
									<Flex
										direction="row"
										align="flex-end"
										justify="flex-start"
									>
										{ ! hasPurchasedLabel( false ) && (
											<AddressBlock
												address={ origins[ 0 ] }
											/>
										) }
										{ hasPurchasedLabel( false ) && (
											<AddressBlock
												address={
													originAddress as OriginAddress
												}
											/>
										) }
										{ allOriginsUnverified && (
											<span
												style={ {
													marginBottom: '-4px',
												} }
											>
												<Badge
													intent="low"
													render={ <div /> }
												>
													{ __(
														'Not validated',
														'woocommerce-shipping'
													) }
												</Badge>
											</span>
										) }
									</Flex>
								) }
							</Flex>
						</Spacer>
						<Spacer marginBottom={ 0 } marginX={ 6 }>
							<CardDivider />
						</Spacer>
						<Spacer
							paddingX={ 6 }
							paddingTop={ 4 }
							paddingBottom={ 3 }
							marginBottom={ 3 }
							onMouseEnter={ () => {
								if ( hasPurchasedLabel( false ) ) {
									return;
								}
								setIsRecipientAddressHovered( true );
							} }
							onMouseLeave={ () => {
								setIsRecipientAddressHovered( false );
							} }
							style={ {
								background: isRecipientAddressHovered
									? '#F9F7F8'
									: 'transparent',
							} }
						>
							<Flex direction={ 'column' } gap={ 1 }>
								<Flex
									direction="row"
									align="flex-start"
									gap={ 4 }
								>
									<Text
										size={ 11 }
										lineHeight={ '24px' }
										weight={ 500 }
										variant="muted"
										upperCase
									>
										{ __(
											'Recipient',
											'woocommerce-shipping'
										) }
									</Text>
									{ isRecipientAddressHovered ||
									! isDestinationAddressVerified ? (
										<Button
											onClick={ () =>
												setIsDestinationModalOpen(
													true
												)
											}
											icon={ edit }
											iconSize={ 24 }
											title={ __(
												'Click to update address',
												'woocommerce-shipping'
											) }
											style={ {
												color: '#1E1E1E',
												height: 24,
												width: 24,
												minWidth: 24,
												padding: 0,
											} }
										/>
									) : (
										' '
									) }
								</Flex>
								<Flex
									direction="row"
									align="flex-end"
									justify="flex-start"
								>
									{ ! hasPurchasedLabel( false ) && (
										<AddressBlock
											address={ destinationAddress }
										/>
									) }
									{ hasPurchasedLabel( false ) && (
										<AddressBlock
											address={ destinationAddress }
										/>
									) }
									{ ! isDestinationAddressVerified &&
										! isDestinationAddressVerifying && (
											<span
												style={ {
													marginBottom: '-4px',
												} }
											>
												<Badge
													intent="low"
													render={ <div /> }
												>
													{ __(
														'Not validated',
														'woocommerce-shipping'
													) }
												</Badge>
											</span>
										) }
								</Flex>
							</Flex>
						</Spacer>
					</Flex>
				</CardBody>
			) }
			{ isOriginModalOpen && originAddress && (
				<Modal
					onRequestClose={ () => setIsOriginModalOpen( false ) }
					focusOnMount
					shouldCloseOnClickOutside={ false }
					size="medium"
					title={
						originAddress.isVerified
							? __(
									'Edit origin address',
									'woocommerce-shipping'
							  )
							: __(
									'Validate sender details',
									'woocommerce-shipping'
							  )
					}
				>
					<AddressStep
						type={ 'origin' }
						address={ camelCaseKeys(
							formatAddressFields(
								snakeCaseKeys( originAddress )
							)
						) }
						isAdd={ false }
						onCompleteCallback={ onOriginCompleteCallback }
						onCancelCallback={ () => setIsOriginModalOpen( false ) }
						nextDesign={ true }
					/>
				</Modal>
			) }
			{ isDestinationModalOpen && (
				<Modal
					onRequestClose={ () => setIsDestinationModalOpen( false ) }
					focusOnMount
					shouldCloseOnClickOutside={ false }
					size="medium"
					title={
						isDestinationAddressVerified
							? __(
									'Edit destination address',
									'woocommerce-shipping'
							  )
							: __(
									'Validate recipient details',
									'woocommerce-shipping'
							  )
					}
				>
					<AddressStep
						type={ ADDRESS_TYPES.DESTINATION }
						address={ {
							id: '',
							...formatAddressFields(
								destinationAddress as
									| OriginAddress
									| Destination
							),
							firstName: '',
							lastName: '',
						} }
						isAdd={ false }
						onCompleteCallback={ onCompleteCallback }
						onCancelCallback={ () =>
							setIsDestinationModalOpen( false )
						}
						orderId={ `${ order.id }` }
						originCountry={ getShipmentOrigin()?.country }
						nextDesign={ true }
					/>
				</Modal>
			) }
		</Card>
	);
};

export const AddressesCard = withBoundaryNext( AddressesCardComponent )();
