import { PLAN_PREMIUM, getPlan } from '@automattic/calypso-products';
import page from '@automattic/calypso-router';
import { localizeUrl } from '@automattic/i18n-utils';
import { withMobileBreakpoint } from '@automattic/viewport-react';
import clsx from 'clsx';
import { localize } from 'i18n-calypso';
import { groupBy, isEmpty, map, size, values } from 'lodash';
import PropTypes from 'prop-types';
import { Component } from 'react';
import { connect } from 'react-redux';
import MediaListData from 'calypso/components/data/media-list-data';
import Notice from 'calypso/components/notice';
import NoticeAction from 'calypso/components/notice/notice-action';
import { withGooglePhotosPickerSession } from 'calypso/data/media/with-google-photos-picker-session';
import { gaRecordEvent } from 'calypso/lib/analytics/ga';
import TrackComponentView from 'calypso/lib/analytics/track-component-view';
import { recordTracksEvent } from 'calypso/lib/analytics/tracks';
import {
	ValidationErrors as MediaValidationErrors,
	MEDIA_IMAGE_RESIZER,
	MEDIA_IMAGE_THUMBNAIL,
	SCALE_TOUCH_GRID,
} from 'calypso/lib/media/constants';
import InlineConnection from 'calypso/sites/marketing/connections/inline-connection';
import { pauseGuidedTour, resumeGuidedTour } from 'calypso/state/guided-tours/actions';
import { getGuidedTourState } from 'calypso/state/guided-tours/selectors';
import { clearMediaErrors, changeMediaSource } from 'calypso/state/media/actions';
import { getPreference } from 'calypso/state/preferences/selectors';
import { canCurrentUser } from 'calypso/state/selectors/can-current-user';
import getMediaLibrarySelectedItems from 'calypso/state/selectors/get-media-library-selected-items';
import { deleteKeyringConnection } from 'calypso/state/sharing/keyring/actions';
import {
	isKeyringConnectionsFetching,
	getKeyringConnectionsByName,
} from 'calypso/state/sharing/keyring/selectors';
import { getSiteSlug, isJetpackSite } from 'calypso/state/sites/selectors';
import { getSelectedSiteId } from 'calypso/state/ui/selectors';
import MediaLibraryExternalHeader from './external-media-header';
import GooglePhotosAuthUpgrade from './google-photos-auth-upgrade';
import GooglePhotosPickerButton from './google-photos-picker-button';
import MediaLibraryHeader from './header';
import MediaLibraryList from './list';
import './content.scss';

const noop = () => {};
const first = ( arr ) => arr[ 0 ];

function getMediaScalePreference( state, isMobile ) {
	const mediaScale = getPreference( state, 'mediaScale' );

	// On mobile viewport, return the media scale value of 0.323 (3 columns per row)
	// regardless of stored preference value, if it's not 1.
	if ( isMobile && mediaScale !== 1 ) {
		return SCALE_TOUCH_GRID;
	}
	// On non-mobile viewport, return the media scale value of 0.323 if the stored
	// preference value is greater than 0.323.
	if ( ! isMobile && mediaScale > SCALE_TOUCH_GRID ) {
		return SCALE_TOUCH_GRID;
	}

	return mediaScale;
}

export class MediaLibraryContent extends Component {
	static propTypes = {
		site: PropTypes.object,
		mediaValidationErrors: PropTypes.object,
		filter: PropTypes.string,
		filterRequiresUpgrade: PropTypes.bool,
		search: PropTypes.string,
		source: PropTypes.string,
		onSourceChange: PropTypes.func,
		containerWidth: PropTypes.number,
		single: PropTypes.bool,
		scrollable: PropTypes.bool,
		onAddMedia: PropTypes.func,
		onMediaScaleChange: PropTypes.func,
		postId: PropTypes.number,
		isConnected: PropTypes.bool,
		isBreakpointActive: PropTypes.bool,
		mediaScale: PropTypes.number,
	};

	static defaultProps = {
		mediaValidationErrors: Object.freeze( {} ),
		onAddMedia: noop,
		source: '',
	};

	componentDidMount() {
		if ( this.props.photosPickerApiEnabled ) {
			! this.props?.photosPickerSession && this.props?.createPhotosPickerSession();
		}
	}

	componentDidUpdate( prevProps ) {
		if ( this.props.shouldPauseGuidedTour !== prevProps.shouldPauseGuidedTour ) {
			this.props.toggleGuidedTour( this.props.shouldPauseGuidedTour );
		}

		if (
			! this.hasGoogleExpired( prevProps ) &&
			this.hasGoogleExpired( this.props ) &&
			this.props.googleConnection
		) {
			// As soon as we detect Google has expired, remove the connection from the keyring so we
			// are prompted to connect again
			this.props.deleteKeyringConnection( this.props.googleConnection );
		}

		if (
			! this.isGoogleConnectedAndVisible( prevProps ) &&
			this.isGoogleConnectedAndVisible( this.props ) &&
			this.hasGoogleExpired( this.props )
		) {
			// We have transitioned from an invalid Google status to a valid one - migration is complete
			// Force a refresh of the list - this won't happen automatically as we've cached our previous failed query.
			this.props.changeMediaSource( this.props.site.ID );
		}
	}

	isGoogleConnectedAndVisible( props ) {
		const { googleConnection, source } = props;

		if ( source === 'google_photos' && googleConnection && googleConnection.status === 'ok' ) {
			return true;
		}

		return false;
	}

	hasGoogleExpired( props ) {
		const { mediaValidationErrorTypes, source } = props;

		if (
			source === 'google_photos' &&
			mediaValidationErrorTypes.indexOf( MediaValidationErrors.SERVICE_AUTH_FAILED ) !== -1
		) {
			return true;
		}

		return false;
	}

	hasGoogleInvalidConnection( props ) {
		const { googleConnection, source } = props;

		return source === 'google_photos' && googleConnection && googleConnection.status === 'invalid';
	}

	renderErrors() {
		const { isJetpack, mediaValidationErrorTypes, site, siteSlug, translate } = this.props;
		return map( groupBy( mediaValidationErrorTypes ), ( occurrences, errorType ) => {
			let message;
			let onDismiss;
			const i18nOptions = {
				count: occurrences.length,
				args: {
					occurrences: occurrences.length,
					planName: getPlan( PLAN_PREMIUM )?.getTitle(),
				},
			};

			if ( site ) {
				onDismiss = () => this.props.clearMediaErrors( site.ID, errorType );
			}

			let status = 'is-error';
			let upgradeNudgeName = undefined;
			let upgradeNudgeFeature = undefined;
			let actionText = undefined;
			let actionLink = undefined;
			let tryAgain = false;
			let externalAction = false;

			switch ( errorType ) {
				case MediaValidationErrors.FILE_TYPE_NOT_IN_PLAN:
					status = 'is-warning';
					upgradeNudgeName = 'plan-media-storage-error-video';
					upgradeNudgeFeature = 'video-upload';
					message = translate(
						'%(occurrences)d file could not be uploaded because your site does not support video files. Upgrade to the %(planName)s plan for video support.',
						'%(occurrences)d files could not be uploaded because your site does not support video files. Upgrade to the %(planName)s plan for video support.',
						i18nOptions
					);
					break;
				case MediaValidationErrors.FILE_TYPE_UNSUPPORTED:
					message = translate(
						'%(occurrences)d file could not be uploaded because the file type is not supported.',
						'%(occurrences)d files could not be uploaded because their file types are unsupported.',
						i18nOptions
					);
					actionText = translate( 'See supported file types' );
					actionLink = localizeUrl( 'https://wordpress.com/support/accepted-filetypes/' );
					externalAction = true;
					break;
				case MediaValidationErrors.UPLOAD_VIA_URL_404:
					message = translate(
						'%(occurrences)d file could not be uploaded because no image exists at the specified URL.',
						'%(occurrences)d files could not be uploaded because no images exist at the specified URLs',
						i18nOptions
					);
					break;
				case MediaValidationErrors.EXCEEDS_MAX_UPLOAD_SIZE:
					message = translate(
						'%(occurrences)d file could not be uploaded because it exceeds the maximum upload size.',
						'%(occurrences)d files could not be uploaded because they exceed the maximum upload size.',
						i18nOptions
					);
					break;
				case MediaValidationErrors.NOT_ENOUGH_SPACE:
					upgradeNudgeName = 'plan-media-storage-error';
					upgradeNudgeFeature = 'extra-storage';
					message = translate(
						'%(occurrences)d file could not be uploaded because there is not enough space left.',
						'%(occurrences)d files could not be uploaded because there is not enough space left.',
						i18nOptions
					);
					break;
				case MediaValidationErrors.EXCEEDS_PLAN_STORAGE_LIMIT:
					if ( isJetpack ) {
						actionText = translate( 'Upgrade Plan' );
						actionLink = `/checkout/${ siteSlug }/jetpack_videopress`;
						externalAction = true;
					} else {
						upgradeNudgeName = 'plan-media-storage-error';
						upgradeNudgeFeature = 'extra-storage';
					}
					message = translate(
						'%(occurrences)d file could not be uploaded because you have reached your plan storage limit.',
						'%(occurrences)d files could not be uploaded because you have reached your plan storage limit.',
						i18nOptions
					);
					break;
				case MediaValidationErrors.SERVICE_AUTH_FAILED:
					message = this.getAuthFailMessageForSource();
					status = 'is-warning';
					tryAgain = false;
					break;

				case MediaValidationErrors.SERVICE_FAILED:
					message = translate( 'We are unable to retrieve your full media library.' );
					tryAgain = true;
					break;

				case MediaValidationErrors.SERVICE_UNAVAILABLE:
					message = this.getServiceUnavailableMessageForSource();
					tryAgain = true;
					break;

				default:
					message = translate(
						'%(occurrences)d file could not be uploaded because an error occurred while uploading.',
						'%(occurrences)d files could not be uploaded because errors occurred while uploading.',
						i18nOptions
					);
					break;
			}

			return (
				<Notice key={ errorType } status={ status } text={ message } onDismissClick={ onDismiss }>
					{ this.renderNoticeAction( upgradeNudgeName, upgradeNudgeFeature ) }
					{ actionText && (
						<NoticeAction href={ actionLink } external={ externalAction }>
							{ actionText }
						</NoticeAction>
					) }
					{ tryAgain && this.renderTryAgain() }
				</Notice>
			);
		} );
	}

	getAuthFailMessageForSource() {
		const { translate, source } = this.props;

		if ( source === 'google_photos' ) {
			return translate(
				'We are moving to a new and faster Photos from Google service. Please reconnect to continue accessing your photos.'
			);
		}

		// Generic message. Nothing should use this, but just in case.
		return translate( 'Your service has been disconnected. Please reconnect to continue.' );
	}

	getServiceUnavailableMessageForSource() {
		const { translate, source } = this.props;

		if ( source === 'pexels' ) {
			return translate(
				'We were unable to connect to the Pexels service. Please try again later.'
			);
		}

		if ( source === 'openverse' ) {
			return translate( 'We were unable to connect to Openverse. Please try again later.' );
		}

		return translate(
			'We were unable to connect to the external service. Please try again later.'
		);
	}

	renderTryAgain() {
		return (
			<NoticeAction onClick={ this.retryList }>{ this.props.translate( 'Retry' ) }</NoticeAction>
		);
	}

	retryList = () => {
		this.props.changeMediaSource( this.props.site.ID );
	};

	renderNoticeAction( upgradeNudgeName, upgradeNudgeFeature ) {
		if ( ! upgradeNudgeName ) {
			return null;
		}
		const eventName = 'calypso_upgrade_nudge_impression';
		const eventProperties = {
			cta_name: upgradeNudgeName,
			cta_feature: upgradeNudgeFeature,
		};
		return (
			<NoticeAction
				external
				href={
					upgradeNudgeFeature
						? `/plans/compare/${ this.props.siteSlug }?feature=${ upgradeNudgeFeature }`
						: `/plans/${ this.props.siteSlug }`
				}
				onClick={ this.recordPlansNavigation.bind(
					this,
					'calypso_upgrade_nudge_cta_click',
					eventProperties
				) }
			>
				{ this.props.translate( 'Upgrade Plan' ) }
				<TrackComponentView eventName={ eventName } eventProperties={ eventProperties } />
			</NoticeAction>
		);
	}

	recordPlansNavigation( tracksEvent, tracksData ) {
		gaRecordEvent( 'Media', 'Clicked Upload Error Action' );
		recordTracksEvent( tracksEvent, tracksData );
	}

	goToSharing = ( ev ) => {
		ev.preventDefault();
		page( `/marketing/connections/${ this.props.site.slug }` );
	};

	renderGooglePhotosConnect() {
		const { translate } = this.props;
		const connectMessage = translate(
			'To get started, connect your site to your Google Photos library.'
		);

		return (
			<div className="media-library__connect-message">
				<p>
					<img
						src="/calypso/images/sharing/google-photos-logo-text.svg?v=20241124"
						width="400"
						alt={ translate( 'Google Photos' ) }
					/>
				</p>
				<p>{ connectMessage }</p>

				<InlineConnection serviceName="google_photos" />
			</div>
		);
	}

	renderConnectExternalMedia() {
		const { source } = this.props;
		switch ( source ) {
			case 'google_photos':
				return this.renderGooglePhotosConnect();
		}
		return null;
	}

	getThumbnailType() {
		return this.props.source !== '' ? MEDIA_IMAGE_THUMBNAIL : MEDIA_IMAGE_RESIZER;
	}

	needsToBeConnected() {
		const { source, isConnected } = this.props;

		// We're on an external service and not connected - need connecting
		if ( source !== '' && ! isConnected ) {
			return true;
		}

		// We're think we're connected to an external service but are really expired
		if ( source !== '' && isConnected && this.hasGoogleExpired( this.props ) ) {
			return true;
		}

		// We're on an internal service, or an external service that is connected and not expired
		return false;
	}

	renderMediaList() {
		if ( ! this.props.site || ( this.props.isRequesting && ! this.hasRequested ) ) {
			this.hasRequested = true; // We only want to do this once
			return (
				<MediaLibraryList
					key="list-loading"
					filterRequiresUpgrade={ this.props.filterRequiresUpgrade }
					mediaScale={ this.props.mediaScale }
				/>
			);
		}

		if ( this.hasGoogleInvalidConnection( this.props ) ) {
			return <GooglePhotosAuthUpgrade connection={ this.props.googleConnection } />;
		}

		if ( this.needsToBeConnected() ) {
			return this.renderConnectExternalMedia();
		}

		if (
			this.props.photosPickerApiEnabled &&
			'google_photos' === this.props.source &&
			! this.props.photosPickerSession?.mediaItemsSet
		) {
			return <GooglePhotosPickerButton />;
		}

		const listKey = [
			'list',
			this.props.site.ID,
			this.props.search,
			this.props.filter,
			this.props.source,
		].join( '-' );

		return (
			<MediaListData
				siteId={ this.props.site.ID }
				postId={ this.props.postId }
				filter={ this.props.filter }
				search={ this.props.search }
				source={ this.props.source }
			>
				<MediaLibraryList
					key={ listKey }
					site={ this.props.site }
					filter={ this.props.filter }
					filterRequiresUpgrade={ this.props.filterRequiresUpgrade }
					search={ this.props.search }
					containerWidth={ this.props.containerWidth }
					thumbnailType={ this.getThumbnailType() }
					single={ this.props.single }
					scrollable={ this.props.scrollable }
					onSourceChange={ this.props.onSourceChange }
					mediaScale={ this.props.mediaScale }
				/>
			</MediaListData>
		);
	}

	renderHeader() {
		if ( this.needsToBeConnected() ) {
			return null;
		}

		if ( this.props.source !== '' ) {
			// Hide the header until we have the media items set from Google Photos
			if (
				'google_photos' === this.props.source &&
				this.props.photosPickerApiEnabled &&
				! this.props.photosPickerSession?.mediaItemsSet
			) {
				return null;
			}

			const hasRefreshButton =
				'pexels' !== this.props.source &&
				'openverse' !== this.props.source &&
				! this.props.photosPickerApiEnabled;

			return (
				<MediaLibraryExternalHeader
					onMediaScaleChange={ this.props.onMediaScaleChange }
					site={ this.props.site }
					visible={ ! this.props.isRequesting }
					canCopy={ this.props.postId === undefined }
					postId={ this.props.postId }
					source={ this.props.source }
					onSourceChange={ this.props.onSourceChange }
					selectedItems={ this.props.selectedItems }
					sticky={ ! this.props.scrollable }
					hasAttribution={ 'pexels' === this.props.source }
					hasRefreshButton={ hasRefreshButton }
					mediaScale={ this.props.mediaScale }
					photosPickerApiEnabled={ this.props.photosPickerApiEnabled }
					photosPickerSession={ this.props.photosPickerSession }
					createPhotosPickerSession={ this.props.createPhotosPickerSession }
					deletePhotosPickerSession={ this.props.deletePhotosPickerSession }
					isCreatingPhotosPickerSession={ this.props.isCreatingPhotosPickerSession }
				/>
			);
		}

		if ( ! this.props.filterRequiresUpgrade ) {
			return (
				<MediaLibraryHeader
					site={ this.props.site }
					filter={ this.props.filter }
					onMediaScaleChange={ this.props.onMediaScaleChange }
					onAddMedia={ this.props.onAddMedia }
					onAddAndEditImage={ this.props.onAddAndEditImage }
					selectedItems={ this.props.selectedItems }
					onViewDetails={ this.props.onViewDetails }
					onDeleteItem={ this.props.onDeleteItem }
					sticky={ ! this.props.scrollable }
					mediaScale={ this.props.mediaScale }
				/>
			);
		}

		return null;
	}

	render() {
		const classNames = clsx( 'media-library__content', {
			'has-no-upload-button': ! this.props.displayUploadMediaButton,
		} );

		return (
			<div className={ classNames }>
				{ this.renderHeader() }
				{ this.renderErrors() }
				{ this.renderMediaList() }
			</div>
		);
	}
}

export default withMobileBreakpoint(
	connect(
		( state, ownProps ) => {
			const guidedTourState = getGuidedTourState( state );
			const selectedSiteId = getSelectedSiteId( state );
			const mediaValidationErrorTypes = values( ownProps.mediaValidationErrors ).map( first );
			const shouldPauseGuidedTour =
				! isEmpty( guidedTourState.tour ) && 0 < size( mediaValidationErrorTypes );
			const googleConnection = getKeyringConnectionsByName( state, 'google_photos' );

			return {
				siteSlug: ownProps.site ? getSiteSlug( state, ownProps.site.ID ) : '',
				isJetpack: isJetpackSite( state, selectedSiteId ),
				isRequesting: isKeyringConnectionsFetching( state ),
				displayUploadMediaButton: canCurrentUser( state, ownProps.site.ID, 'publish_posts' ),
				mediaValidationErrorTypes,
				shouldPauseGuidedTour,
				googleConnection: googleConnection.length === 1 ? googleConnection[ 0 ] : null, // There can be only one
				selectedItems: getMediaLibrarySelectedItems( state, ownProps.site?.ID ),
				mediaScale: getMediaScalePreference( state, ownProps.isBreakpointActive ),
			};
		},
		{
			toggleGuidedTour: ( shouldPause ) => ( dispatch ) => {
				dispatch( shouldPause ? pauseGuidedTour() : resumeGuidedTour() );
			},
			deleteKeyringConnection,
			clearMediaErrors,
			changeMediaSource,
		}
	)( withGooglePhotosPickerSession( localize( MediaLibraryContent ) ) )
);