/**
 * External dependencies
 */
import { Fragment, useState } from '@wordpress/element';
import { __ } from '@wordpress/i18n';
import FormStep from '@woocommerce/base-components/checkout/form-step';
import CheckoutForm from '@woocommerce/base-components/checkout/form';
import NoShipping from '@woocommerce/base-components/checkout/no-shipping';
import TextInput from '@woocommerce/base-components/text-input';
import RadioControl from '@woocommerce/base-components/radio-control';
import InputRow from '@woocommerce/base-components/input-row';
import { CheckboxControl } from '@wordpress/components';
import CheckoutProvider from '@woocommerce/base-context/checkout-context';
import {
	ExpressCheckoutFormControl,
	PaymentMethods,
} from '@woocommerce/base-components/payment-methods';

/**
 * Internal dependencies
 */
import placeholderShippingMethods from '../placeholder-shipping-methods';
import './style.scss';
import '../../../payment-methods-demo';

/**
 * Component displaying an attribute filter.
 */
const Block = ( { shippingMethods = [], isEditor = false } ) => {
	const [ shippingMethod, setShippingMethod ] = useState( {} );
	const [ contactFields, setContactFields ] = useState( {} );
	const [ shouldSavePayment, setShouldSavePayment ] = useState( true );
	const [ shippingFields, setShippingFields ] = useState( {} );
	return (
		<CheckoutProvider>
			<ExpressCheckoutFormControl />
			<CheckoutForm>
				<FormStep
					id="billing-fields"
					className="wc-block-checkout__billing-fields"
					title={ __(
						'Contact information',
						'woo-gutenberg-products-block'
					) }
					description={ __(
						"We'll use this email to send you details and updates about your order.",
						'woo-gutenberg-products-block'
					) }
					stepNumber={ 1 }
					stepHeadingContent={ () => (
						<Fragment>
							{ __(
								'Already have an account? ',
								'woo-gutenberg-products-block'
							) }
							<a href="/wp-login.php">
								{ __(
									'Log in.',
									'woo-gutenberg-products-block'
								) }
							</a>
						</Fragment>
					) }
				>
					<TextInput
						id="email-field"
						type="email"
						label={ __(
							'Email address',
							'woo-gutenberg-products-block'
						) }
						value={ contactFields.email }
						onChange={ ( newValue ) =>
							setContactFields( {
								...contactFields,
								email: newValue,
							} )
						}
					/>
					<CheckboxControl
						className="wc-block-checkout__keep-updated"
						label={ __(
							'Keep me up to date on news and exclusive offers',
							'woo-gutenberg-products-block'
						) }
						checked={ contactFields.keepUpdated }
						onChange={ () =>
							setContactFields( {
								...contactFields,
								keepUpdated: ! contactFields.keepUpdated,
							} )
						}
					/>
				</FormStep>
				{ shippingMethods.length === 0 && (
					<FormStep
						id="shipping-fields"
						className="wc-block-checkout__shipping-fields"
						title={ __(
							'Shipping address',
							'woo-gutenberg-products-block'
						) }
						description={ __(
							'Enter the physical address where you want us to deliver your order.',
							'woo-gutenberg-products-block'
						) }
						stepNumber={ 2 }
					>
						{ isEditor && <NoShipping /> }
					</FormStep>
				) }
				{ shippingMethods.length > 0 && (
					<Fragment>
						<FormStep
							id="shipping-fields"
							className="wc-block-checkout__shipping-fields"
							title={ __(
								'Shipping address',
								'woo-gutenberg-products-block'
							) }
							description={ __(
								'Enter the physical address where you want us to deliver your order.',
								'woo-gutenberg-products-block'
							) }
							stepNumber={ 2 }
						>
							<InputRow>
								<TextInput
									label={ __(
										'First name',
										'woo-gutenberg-products-block'
									) }
									value={ shippingFields.firstName }
									onChange={ ( newValue ) =>
										setShippingFields( {
											...shippingFields,
											firstName: newValue,
										} )
									}
								/>
								<TextInput
									label={ __(
										'Surname',
										'woo-gutenberg-products-block'
									) }
									value={ shippingFields.lastName }
									onChange={ ( newValue ) =>
										setShippingFields( {
											...shippingFields,
											lastName: newValue,
										} )
									}
								/>
							</InputRow>
							<TextInput
								label={ __(
									'Street address',
									'woo-gutenberg-products-block'
								) }
								value={ shippingFields.streetAddress }
								onChange={ ( newValue ) =>
									setShippingFields( {
										...shippingFields,
										streetAddress: newValue,
									} )
								}
							/>
							<TextInput
								label={ __(
									'Apartment, suite, etc.',
									'woo-gutenberg-products-block'
								) }
								value={ shippingFields.apartment }
								onChange={ ( newValue ) =>
									setShippingFields( {
										...shippingFields,
										apartment: newValue,
									} )
								}
							/>
							<InputRow>
								<TextInput
									label={ __(
										'Country',
										'woo-gutenberg-products-block'
									) }
									value={ shippingFields.country }
									onChange={ ( newValue ) =>
										setShippingFields( {
											...shippingFields,
											country: newValue,
										} )
									}
								/>
								<TextInput
									label={ __(
										'City',
										'woo-gutenberg-products-block'
									) }
									value={ shippingFields.city }
									onChange={ ( newValue ) =>
										setShippingFields( {
											...shippingFields,
											city: newValue,
										} )
									}
								/>
							</InputRow>
							<InputRow>
								<TextInput
									label={ __(
										'County',
										'woo-gutenberg-products-block'
									) }
									value={ shippingFields.county }
									onChange={ ( newValue ) =>
										setShippingFields( {
											...shippingFields,
											county: newValue,
										} )
									}
								/>
								<TextInput
									label={ __(
										'Postal code',
										'woo-gutenberg-products-block'
									) }
									value={ shippingFields.postalCode }
									onChange={ ( newValue ) =>
										setShippingFields( {
											...shippingFields,
											postalCode: newValue,
										} )
									}
								/>
							</InputRow>
							<TextInput
								type="tel"
								label={ __(
									'Phone',
									'woo-gutenberg-products-block'
								) }
								value={ shippingFields.phone }
								onChange={ ( newValue ) =>
									setShippingFields( {
										...shippingFields,
										phone: newValue,
									} )
								}
							/>
							<CheckboxControl
								className="wc-block-checkout__use-address-for-billing"
								label={ __(
									'Use same address for billing',
									'woo-gutenberg-products-block'
								) }
								checked={ shippingFields.useSameForBilling }
								onChange={ () =>
									setShippingFields( {
										...shippingFields,
										useSameForBilling: ! shippingFields.useSameForBilling,
									} )
								}
							/>
						</FormStep>
						<FormStep
							id="shipping-option"
							className="wc-block-checkout__shipping-option"
							title={ __(
								'Shipping options',
								'woo-gutenberg-products-block'
							) }
							description={ __(
								'Select your shipping method below.',
								'woo-gutenberg-products-block'
							) }
							stepNumber={ 3 }
						>
							<RadioControl
								selected={ shippingMethod.method || 'collect' }
								id="shipping-method"
								onChange={ ( option ) =>
									setShippingMethod( {
										...shippingMethod,
										method: option,
									} )
								}
								options={ placeholderShippingMethods.map(
									( option ) => ( {
										label: option.label,
										value: option.value,
										description: option.dispatcher,
										secondaryLabel: option.price,
										secondaryDescription: option.schedule,
									} )
								) }
							/>
							<CheckboxControl
								className="wc-block-checkout__add-note"
								label="Add order notes?"
								checked={ shippingMethod.orderNote }
								onChange={ () =>
									setShippingMethod( {
										...shippingMethod,
										orderNote: ! shippingMethod.orderNote,
									} )
								}
							/>
						</FormStep>
					</Fragment>
				) }
				<FormStep
					id="payment-method"
					className="wc-block-checkout__payment-method"
					title={ __(
						'Payment method',
						'woo-gutenberg-products-block'
					) }
					description={ __(
						'Select a payment method below.',
						'woo-gutenberg-products-block'
					) }
					stepNumber={ 4 }
				>
					<PaymentMethods />
					{ /*@todo this should be something the payment method controls*/ }
					<CheckboxControl
						className="wc-block-checkout__save-card-info"
						label={ __(
							'Save payment information to my account for future purchases.',
							'woo-gutenberg-products-block'
						) }
						checked={ shouldSavePayment }
						onChange={ () =>
							setShouldSavePayment( ! shouldSavePayment )
						}
					/>
				</FormStep>
			</CheckoutForm>
		</CheckoutProvider>
	);
};

export default Block;