/**
 * External dependencies
 */
import { __ } from '@wordpress/i18n';
import apiFetch from '@wordpress/api-fetch';
import { Button, CheckboxControl } from '@wordpress/components';
import { Component, Fragment } from '@wordpress/element';
import { compose } from '@wordpress/compose';
import { withDispatch, withSelect } from '@wordpress/data';
import { recordEvent } from 'lib/tracks';

/**
 * WooCommerce dependencies
 */
import { H, Card, Form } from '@woocommerce/components';
import { getCurrencyData } from '@woocommerce/currency';
import { SETTINGS_STORE_NAME } from '@woocommerce/data';

/**
 * Internal dependencies
 */
import { getCountryCode, getCurrencyRegion } from 'dashboard/utils';
import {
	StoreAddress,
	validateStoreAddress,
} from 'dashboard/components/settings/general/store-address';
import UsageModal from './usage-modal';
import withWCApiSelect from 'wc-api/with-select';
import { CurrencyContext } from 'lib/currency-context';

class StoreDetails extends Component {
	constructor( props ) {
		super( ...arguments );
		const { profileItems, settings } = props;

		this.state = {
			showUsageModal: false,
		};

		// Check if a store address is set so that we don't default
		// to WooCommerce's default country of the UK.
		const countryState =
			( settings.woocommerce_store_address &&
				settings.woocommerce_default_country ) ||
			'';

		this.initialValues = {
			addressLine1: settings.woocommerce_store_address || '',
			addressLine2: settings.woocommerce_store_address_2 || '',
			city: settings.woocommerce_store_city || '',
			countryState,
			postCode: settings.woocommerce_store_postcode || '',
			isClient: profileItems.setup_client || false,
		};

		this.onContinue = this.onContinue.bind( this );
		this.onSubmit = this.onSubmit.bind( this );
	}

	componentWillUnmount() {
		apiFetch( {
			path: '/wc-admin/onboarding/tasks/create_store_pages',
			method: 'POST',
		} );
	}

	deriveCurrencySettings( countryState ) {
		if ( ! countryState ) {
			return null;
		}

		const region = getCurrencyRegion( countryState );
		const currencyData = getCurrencyData();
		return currencyData[ region ] || currencyData.US;
	}

	onSubmit() {
		this.setState( { showUsageModal: true } );
	}

	async onContinue( values ) {
		const {
			createNotice,
			goToNextStep,
			isSettingsError,
			updateProfileItems,
			isProfileItemsError,
			updateAndPersistSettingsForGroup,
			profileItems,
		} = this.props;

		const currencySettings = this.deriveCurrencySettings(
			values.countryState
		);
		const Currency = this.context;
		Currency.setCurrency( currencySettings );

		recordEvent( 'storeprofiler_store_details_continue', {
			store_country: getCountryCode( values.countryState ),
			derived_currency: currencySettings.code,
			setup_client: values.isClient,
		} );

		await updateAndPersistSettingsForGroup( 'general', {
			general: {
				woocommerce_store_address: values.addressLine1,
				woocommerce_store_address_2: values.addressLine2,
				woocommerce_default_country: values.countryState,
				woocommerce_store_city: values.city,
				woocommerce_store_postcode: values.postCode,
				woocommerce_currency: currencySettings.code,
				woocommerce_currency_pos: currencySettings.symbolPosition,
				woocommerce_price_thousand_sep:
					currencySettings.thousandSeparator,
				woocommerce_price_decimal_sep:
					currencySettings.decimalSeparator,
				woocommerce_price_num_decimals: currencySettings.precision,
			},
		} );

		const profileItemsToUpdate = { setup_client: values.isClient };
		const region = getCurrencyRegion( values.countryState );

		/**
		 * If a user has already selected cdb industry and returns to change to a
		 * non US store, remove cbd industry.
		 *
		 * NOTE: the following call to `updateProfileItems` does not respect the
		 * `await` and performs an update aysnchronously. This means the following
		 * screen may not be initialized with correct profile settings.
		 *
		 * This comment may be removed when a refactor to wp.data datatores is complete.
		 */
		if (
			region !== 'US' &&
			profileItems.industry &&
			profileItems.industry.length
		) {
			const cbdSlug = 'cbd-other-hemp-derived-products';
			const trimmedIndustries = profileItems.industry.filter(
				( industry ) => {
					return cbdSlug !== industry && cbdSlug !== industry.slug;
				}
			);
			profileItemsToUpdate.industry = trimmedIndustries;
		}

		await updateProfileItems( profileItemsToUpdate );

		if ( ! isSettingsError && ! isProfileItemsError ) {
			goToNextStep();
		} else {
			createNotice(
				'error',
				__(
					'There was a problem saving your store details.',
					'woocommerce-admin'
				)
			);
		}
	}

	render() {
		const { showUsageModal } = this.state;

		return (
			<Fragment>
				<H className="woocommerce-profile-wizard__header-title">
					{ __( 'Where is your store based?', 'woocommerce-admin' ) }
				</H>
				<H className="woocommerce-profile-wizard__header-subtitle">
					{ __(
						'This will help us configure your store and get you started quickly',
						'woocommerce-admin'
					) }
				</H>

				<Card>
					<Form
						initialValues={ this.initialValues }
						onSubmitCallback={ this.onSubmit }
						validate={ validateStoreAddress }
					>
						{ ( {
							getInputProps,
							handleSubmit,
							values,
							isValidForm,
							setValue,
						} ) => (
							<Fragment>
								{ showUsageModal && (
									<UsageModal
										onContinue={ () =>
											this.onContinue( values )
										}
										onClose={ () =>
											this.setState( {
												showUsageModal: false,
											} )
										}
									/>
								) }
								<StoreAddress
									getInputProps={ getInputProps }
									setValue={ setValue }
								/>

								<div className="woocommerce-profile-wizard__client">
									<CheckboxControl
										label={ __(
											"I'm setting up a store for a client",
											'woocommerce-admin'
										) }
										{ ...getInputProps( 'isClient' ) }
									/>
								</div>

								<Button
									isPrimary
									onClick={ handleSubmit }
									disabled={ ! isValidForm }
								>
									{ __( 'Continue', 'woocommerce-admin' ) }
								</Button>
							</Fragment>
						) }
					</Form>
				</Card>
			</Fragment>
		);
	}
}

StoreDetails.contextType = CurrencyContext;

export default compose(
	withWCApiSelect( ( select ) => {
		const { getProfileItemsError, getProfileItems } = select( 'wc-api' );

		const profileItems = getProfileItems();
		const isProfileItemsError = Boolean( getProfileItemsError() );

		return {
			isProfileItemsError,
			profileItems,
		};
	} ),
	withSelect( ( select ) => {
		const {
			getSettings,
			getSettingsError,
			isGetSettingsRequesting,
		} = select( SETTINGS_STORE_NAME );

		const { general: settings = {} } = getSettings( 'general' );
		const isSettingsError = Boolean( getSettingsError( 'general' ) );
		const isSettingsRequesting = isGetSettingsRequesting( 'general' );

		return {
			isSettingsError,
			isSettingsRequesting,
			settings,
		};
	} ),
	withDispatch( ( dispatch ) => {
		const { createNotice } = dispatch( 'core/notices' );
		const { updateProfileItems } = dispatch( 'wc-api' );
		const { updateAndPersistSettingsForGroup } = dispatch(
			SETTINGS_STORE_NAME
		);

		return {
			createNotice,
			updateProfileItems,
			updateAndPersistSettingsForGroup,
		};
	} )
)( StoreDetails );