import { getPlan, PLAN_BUSINESS } from '@automattic/calypso-products';
import { localizeUrl } from '@automattic/i18n-utils';
import { Modal } from '@wordpress/components';
import { createElement, createInterpolateElement } from '@wordpress/element';
import { sprintf } from '@wordpress/i18n';
import { Icon, close, check } from '@wordpress/icons';
import { useI18n } from '@wordpress/react-i18n';
import { FeatureName, FeatureList, UrlData } from '../types';
import type { ImporterPlatform } from 'calypso/lib/importer/types';
import type * as React from 'react';

/* eslint-disable wpcalypso/jsx-classname-namespace */

interface DetailsProps {
	platform: ImporterPlatform;
	fromSite: UrlData[ 'url' ];
	onClose: () => void;
}

export const coveredPlatforms = [ 'wix', 'squarespace', 'blogger', 'wordpress', 'medium' ];

const platformFeatureList: { [ key: string ]: { [ key: string ]: FeatureName[] } } = {
	wix: {
		supported: [ 'posts', 'pages_static', 'blocks', 'images' ],
		unsupported: [ 'styles', 'themes', 'colors', 'fonts' ],
	},
	squarespace: {
		supported: [ 'posts', 'pages_static', 'blocks', 'images' ],
		unsupported: [ 'styles', 'themes', 'colors', 'fonts' ],
	},
	blogger: {
		supported: [ 'posts', 'photos', 'videos', 'files' ],
		unsupported: [ 'styles', 'themes', 'colors', 'fonts' ],
	},
	wordpress: {
		supported: [ 'posts', 'pages' ],
		unsupported: [ 'themes', 'plugins', 'styles', 'fonts', 'colors' ],
	},
	medium: {
		supported: [ 'posts', 'tags' ],
		unsupported: [ 'styles', 'themes', 'colors', 'fonts' ],
	},
};

const ImportPlatformDetails: React.FunctionComponent< DetailsProps > = ( data ) => {
	const { __ } = useI18n();
	const { platform, onClose, fromSite } = data;
	const learnMoreHref = localizeUrl( 'https://wordpress.com/support/import/' );
	const plan = getPlan( PLAN_BUSINESS );

	const translatedFeatureList: FeatureList = {
		tags: __( 'Tags' ),
		posts: __( 'Blog posts' ),
		pages: __( 'Pages' ),
		pages_static: __( 'Static pages' ),
		blocks: __( 'Various blocks and features' ),
		images: __( 'Images' ),
		photos: __( 'Photos' ),
		videos: __( 'Videos' ),
		files: __( 'Other embedded files' ),
		styles: __( 'Site styles' ),
		themes: __( 'Themes' ),
		themes_custom: __( 'Custom themes' ),
		colors: __( 'Colors' ),
		fonts: __( 'Fonts' ),
		plugins: __( 'Plugins' ),
	};

	const getTitle = ( _platform: ImporterPlatform ): string => {
		switch ( _platform ) {
			case 'wix':
				return __( 'Importing content from Wix' );
			case 'squarespace':
				return __( 'Importing content from Squarespace' );
			case 'blogger':
				return __( 'Importing content from Blogger' );
			case 'wordpress':
				return __( 'Importing content from self-hosted WordPress to WordPress.com' );
			case 'medium':
				return __( 'Importing content from Medium' );
			default:
				return '';
		}
	};

	const getInfo = ( _platform: ImporterPlatform, _fromSite: UrlData[ 'url' ] ): string => {
		switch ( _platform ) {
			case 'wix':
				return __(
					"Our Wix content importer is the quickest way to move your content. Simply click 'Import your content' and provide your site's web address (called a URL). Once the import is complete, you'll have a site that's pre-filled with your content."
				);
			case 'squarespace':
				return __(
					"Our Squarespace content importer is the quickest way to move your content. Simply export the contents from Squarespace as a WordPress format XML file, then click 'Import your content' and upload it to our importer."
				);
			case 'blogger':
				return __(
					"Our Blogger content importer is the quickest way to move your content. Simply export the contents from Blogger as a XML file, then click 'Import your content' and upload it to our importer."
				);
			case 'wordpress':
				if ( _fromSite ) {
					return __(
						"Our Self-Hosted WordPress content importer is the quickest way to move your content. After clicking 'Import your content', you will have two options:"
					);
				}
				return __(
					'Our Self-Hosted WordPress content importer is the quickest way to move your content.'
				);
			case 'medium':
				return __(
					"Our Medium content importer is the quickest way to move your content. Simply export the contents from Medium as a .ZIP file, then click 'Import your content' and upload it to our importer."
				);
			default:
				return '';
		}
	};

	return (
		<Modal
			className="components-modal-new__frame import__details-modal"
			title={ getTitle( platform ) }
			onRequestClose={ onClose }
		>
			<div className="import__details-modal-content">
				<p>{ getInfo( platform, fromSite ) }</p>

				<a
					className="import__details-learn-more"
					href={ learnMoreHref }
					target="_blank"
					rel="noopener noreferrer"
				>
					{ __( 'Learn more' ) }
				</a>

				{ platform !== 'wordpress' && (
					<div className="import__details-features">
						<p>
							{ createInterpolateElement( __( 'Things we <strong>can</strong> import:' ), {
								strong: createElement( 'strong' ),
							} ) }
						</p>
						<ul className="import__details-list">
							{ platformFeatureList[ platform ].supported.map( ( key ) => (
								<li key={ key }>
									<Icon size={ 20 } icon={ check } />{ ' ' }
									{ translatedFeatureList[ key as FeatureName ] }
								</li>
							) ) }
						</ul>

						<p>
							{ createInterpolateElement( __( "Things we <strong>can't</strong> import:" ), {
								strong: createElement( 'strong' ),
							} ) }
						</p>
						<ul className="import__details-list">
							{ platformFeatureList[ platform ].unsupported.map( ( key ) => (
								<li key={ key }>
									<Icon size={ 20 } icon={ close } />{ ' ' }
									{ translatedFeatureList[ key as FeatureName ] }
								</li>
							) ) }
						</ul>
					</div>
				) }

				{ platform === 'wordpress' && (
					<div className="import__details-features">
						<p>
							{ createInterpolateElement( __( 'Import <strong>Content only</strong>:' ), {
								strong: createElement( 'strong' ),
							} ) }
						</p>
						<ul className="import__details-list">
							{ platformFeatureList[ platform ].supported.map( ( key ) => (
								<li key={ key }>
									<Icon size={ 20 } icon={ check } />{ ' ' }
									{ translatedFeatureList[ key as FeatureName ] }
								</li>
							) ) }
						</ul>
						{ /* TODO: is this section / file still relevant? */ }
						{ fromSite && (
							<>
								<p>
									{ createInterpolateElement( __( 'Import <strong>Everything*</strong>:' ), {
										strong: createElement( 'strong' ),
									} ) }
								</p>
								<ul className="import__details-list">
									{ platformFeatureList[ platform ].supported
										.concat( platformFeatureList[ platform ].unsupported )
										.map( ( key ) => (
											<li key={ key }>
												<Icon size={ 20 } icon={ check } />{ ' ' }
												{ translatedFeatureList[ key as FeatureName ] }
											</li>
										) ) }
								</ul>
								<div className="import__details-footer">
									<i>
										*
										{ sprintf(
											/* translators: %(plan)s: name of plan */
											__( 'Requires a %(plan)s plan.' ),
											{
												plan: plan?.getTitle() ?? '',
											}
										) }
									</i>
								</div>
							</>
						) }
					</div>
				) }
			</div>
		</Modal>
	);
};

export default ImportPlatformDetails;