/* global jQuery, wpseoPremiumMetaboxData, wpseoAdminL10n */

import ProminentWordStorage from "./keywordSuggestions/ProminentWordStorage";
import ProminentWordNoStorage from "./keywordSuggestions/ProminentWordNoStorage";
import FocusKeywordSuggestions from "./keywordSuggestions/KeywordSuggestions";
import LinkSuggestions from "./linkSuggestions/LinkSuggestions";
import MultiKeyword from "./metabox/multiKeyword";

let settings = wpseoPremiumMetaboxData.data;

let contentEndpointsAvailable = wpseoPremiumMetaboxData.data.restApi.available && wpseoPremiumMetaboxData.data.restApi.contentEndpointsAvailable;

let multiKeyword = new MultiKeyword();

let prominentWordStorage = new ProminentWordNoStorage();
let focusKeywordSuggestions;

let linkSuggestions;

/**
 * Whether the content language is supported for the link suggestions. This is explicitly not the user language.
 *
 * @returns {boolean} Whether the content language is supported.
 */
function contentLanguageSupported() {
	return wpseoAdminL10n.contentLocale.indexOf( "en" ) === 0;
}

/**
 * Initializes the metabox for premium.
 *
 * @returns {void}
 */
function initializeMetabox() {
	window.YoastSEO.multiKeyword = true;
	multiKeyword.initDOM();

	if ( settings.linkSuggestionsAvailable ) {
		prominentWordStorage = new ProminentWordStorage( {
			postID: settings.postID,
			rootUrl: settings.restApi.root,
			nonce: settings.restApi.nonce,
			postTypeBase: settings.restApi.postTypeBase,
		} );
	}

	focusKeywordSuggestions = new FocusKeywordSuggestions( {
		insightsEnabled: settings.insightsEnabled === "enabled",
		prominentWordStorage,
		contentEndpointsAvailable,
	} );

	// Initialize prominent words watching and saving.
	focusKeywordSuggestions.initializeDOM();

	if ( contentLanguageSupported() && contentEndpointsAvailable ) {
		initializeLinkSuggestionsMetabox();
	}
}

/**
 * Initializes the metabox for linksuggestions.
 *
 * @returns {void}
 */
function initializeLinkSuggestionsMetabox() {
	if ( ! settings.linkSuggestionsAvailable ) {
		return;
	}


	linkSuggestions = new LinkSuggestions( {
		target: document.getElementById( "yoast_internal_linking" ).getElementsByClassName( "inside" )[ 0 ],
		rootUrl: settings.restApi.root,
		nonce: settings.restApi.nonce,
		currentPostId: settings.postID,
	} );
	linkSuggestions.initializeDOM( settings.linkSuggestions );

	prominentWordStorage.on( "savedProminentWords", linkSuggestions.updatedProminentWords.bind( linkSuggestions ) );
}

/**
 * Initializes the metaboxes for premium
 *
 * @returns {void}
 */
function initializeDOM() {
	window.jQuery( window ).on( "YoastSEO:ready", () => {
		try {
			initializeMetabox();
		} catch ( caughtError ) {
			console.error( caughtError );
		}
	} );
}

window.jQuery( initializeDOM );