import styled from '@emotion/styled';
import {
	ABOUT_PAGE,
	BLOG_PAGE,
	CAREERS_PAGE,
	CASE_STUDIES_PAGE,
	CONTACT_PAGE,
	CUSTOM_PAGE,
	DONATE_PAGE,
	EVENTS_PAGE,
	FAQ_PAGE,
	HOME_PAGE,
	NEWSLETTER_PAGE,
	PHOTO_GALLERY_PAGE,
	PORTFOLIO_PAGE,
	PRICING_PAGE,
	type PageId,
	SERVICES_PAGE,
	SHOP_PAGE,
	TEAM_PAGE,
	TESTIMONIALS_PAGE,
	VIDEO_GALLERY_PAGE,
} from 'calypso/signup/difm/constants';
import aboutPage from 'calypso/signup/difm/images/page-descriptions/about-page.svg';
import blogPage from 'calypso/signup/difm/images/page-descriptions/blog-page.svg';
import caseStudies from 'calypso/signup/difm/images/page-descriptions/case-studies.svg';
import contactPage from 'calypso/signup/difm/images/page-descriptions/contact-page.svg';
import donate from 'calypso/signup/difm/images/page-descriptions/donate.svg';
import eventsPage from 'calypso/signup/difm/images/page-descriptions/events.svg';
import faqPage from 'calypso/signup/difm/images/page-descriptions/faq-page.svg';
import homePage from 'calypso/signup/difm/images/page-descriptions/home-page.svg';
import newsletter from 'calypso/signup/difm/images/page-descriptions/newsletter.svg';
import photoGallery from 'calypso/signup/difm/images/page-descriptions/photo-gallery.svg';
import portfolio from 'calypso/signup/difm/images/page-descriptions/portfolio.svg';
import pricingPage from 'calypso/signup/difm/images/page-descriptions/pricing-page.svg';
import services from 'calypso/signup/difm/images/page-descriptions/service-showcase.svg';
import teamPage from 'calypso/signup/difm/images/page-descriptions/team-page.svg';
import testimonials from 'calypso/signup/difm/images/page-descriptions/testimonials.svg';
import videoGallery from 'calypso/signup/difm/images/page-descriptions/video-gallery.svg';
import threeDots from 'calypso/signup/difm/images/three-dots.svg';

const Container = styled.div< { isSelected?: boolean; isClickDisabled?: boolean } >`
	border: 1px solid
		${ ( { isSelected } ) => ( isSelected ? 'var( --studio-white )' : 'var( --studio-gray-10 )' ) };
	box-shadow: 0px 0px 0px
		${ ( { isSelected } ) => {
			if ( isSelected ) {
				return '2px var( --studio-blue-50 )';
			}
			return '1px var( --studio-white )';
		} };
	border-radius: 7px;
	transition: box-shadow 400ms ease-in-out;
	&:hover {
		border: 1px solid
			${ ( { isClickDisabled, isSelected } ) => {
				if ( isClickDisabled ) {
					return 'var( --studio-gray-10 )';
				} else if ( isSelected ) {
					return 'var( --studio-white )';
				}
				return 'var( --studio-gray-50 )';
			} };

		box-shadow: ${ ( { isClickDisabled, isSelected } ) => {
			if ( isSelected ) {
				return '0px 0px 0px 2px var( --studio-blue-50 )';
			} else if ( isClickDisabled ) {
				return 'none';
			}
			return '0px 0px 0px 3px #E3EAF0';
		} };
	}
	height: 100%;
	width: 100%;

	position: relative;
	cursor: ${ ( { isClickDisabled } ) => ( isClickDisabled ? 'default' : 'pointer' ) };
	pointer-events: ${ ( { isClickDisabled } ) => ( isClickDisabled ? 'none' : 'default' ) };

	display: flex;
	flex-direction: column;
	align-items: stretch;
`;

const HeaderContainer = styled.div< { isSelected?: boolean; isClickDisabled?: boolean } >`
	height: 7px;
	position: relative;
	border-radius: 6px;
	padding: 5px 0 0px 6.5px;
	img {
		position: absolute;
	}
`;

const Line = styled.div< { isSelected?: boolean; isClickDisabled?: boolean } >`
	height: 0.75px;
	background-color: var( --studio-gray-10 );
	position: absolute;
	left: ${ ( { isSelected } ) => ( isSelected ? '-1px' : '0' ) };
	top: 12px;
	width: 100%;
`;

function Header( props: { isSelected?: boolean; isClickDisabled?: boolean } ) {
	return (
		<HeaderContainer { ...props }>
			<img src={ threeDots } alt="three dots" />
			<Line { ...props } />
		</HeaderContainer>
	);
}

const Content = styled.div`
	padding: 15px;
	text-align: center;
	> img {
		aspect-ratio: 1.5;
		width: 100%;
		max-width: 186px;
	}
`;

const SelectedCount = styled.div`
	color: var( --studio-white );
	background-color: var( --studio-blue-50 );
	width: 25px;
	height: 25px;
	border-radius: 15px;
	display: flex;
	align-items: center;
	justify-content: center;
	position: absolute;
	right: 7px;
	bottom: 5px;
`;

const pageIdToThumbnailImageMap: Record< PageId, string | null > = {
	[ ABOUT_PAGE ]: aboutPage,
	[ BLOG_PAGE ]: blogPage,
	[ CONTACT_PAGE ]: contactPage,
	[ HOME_PAGE ]: homePage,
	[ PHOTO_GALLERY_PAGE ]: photoGallery,
	[ SHOP_PAGE ]: photoGallery,
	[ TESTIMONIALS_PAGE ]: testimonials,
	[ PRICING_PAGE ]: pricingPage,
	[ FAQ_PAGE ]: faqPage,
	[ TEAM_PAGE ]: teamPage,
	[ VIDEO_GALLERY_PAGE ]: videoGallery,
	[ PORTFOLIO_PAGE ]: portfolio,
	[ SERVICES_PAGE ]: services,
	[ CUSTOM_PAGE ]: null,
	[ CAREERS_PAGE ]: faqPage,
	[ EVENTS_PAGE ]: eventsPage,
	[ DONATE_PAGE ]: donate,
	[ NEWSLETTER_PAGE ]: newsletter,
	[ CASE_STUDIES_PAGE ]: caseStudies,
};

export function BrowserView( {
	pageId,
	isSelected,
	isClickDisabled,
	selectedIndex,
	onClick,
}: {
	pageId: PageId;
	isSelected?: boolean;
	isClickDisabled?: boolean;
	selectedIndex: number;
	onClick: () => void;
} ) {
	const selectionProps = { isSelected, isClickDisabled };
	const imageSrc = pageIdToThumbnailImageMap[ pageId ];
	return (
		<Container { ...selectionProps } onClick={ onClick }>
			{ selectedIndex > -1 ? <SelectedCount>{ selectedIndex + 1 }</SelectedCount> : null }
			<Header { ...selectionProps } />
			<Content>{ imageSrc && <img src={ imageSrc } alt="page preview" /> }</Content>
		</Container>
	);
}