module.exports = (Plugin, Api, Vendor) => {
	if (!global.BDFDB || typeof BDFDB != "object") global.BDFDB = {myPlugins:{}, BDv2Api: Api};

	return class extends Plugin {
		initConstructor () {
			this.patchModules = {
				"TabBar":"componentDidMount",
				"NameTag":["componentWillMount","componentWillUnmount"]
			};

			this.css = `
				${BDFDB.dotCNS.friends + BDFDB.dotCNS.settingstabbar + BDFDB.dotCN.badge}:not(.betterfriendcount-badge), 
				${BDFDB.dotCNS.friends + BDFDB.dotCNS.settingstabbar + BDFDB.dotCN.badgewrapper}:not(.betterfriendcount-badge) {
					display: none !important;
				}
				${BDFDB.dotCNS.friends + BDFDB.dotCNS.settingstabbar + BDFDB.dotCN.badgewrapper}.betterfriendcount-badge {
					margin-left: 5px !important;
				}
			`;

			this.relationshipTypes = {};
		}

		onStart () {
			if (global.BDFDB && global.BDFDB.myPlugins && typeof global.BDFDB.myPlugins == "object") global.BDFDB.myPlugins[this.name] = this;
			var libraryScript = document.querySelector('head script[src="https://mwittrien.github.io/BetterDiscordAddons/Plugins/BDFDB.js"]');
			if (!libraryScript || performance.now() - libraryScript.getAttribute("date") > 600000) {
				if (libraryScript) libraryScript.remove();
				libraryScript = document.createElement("script");
				libraryScript.setAttribute("type", "text/javascript");
				libraryScript.setAttribute("src", "https://mwittrien.github.io/BetterDiscordAddons/Plugins/BDFDB.js");
				libraryScript.setAttribute("date", performance.now());
				libraryScript.addEventListener("load", () => {if (global.BDFDB && typeof BDFDB === "object" && BDFDB.loaded) this.initialize();});
				document.head.appendChild(libraryScript);
			}
			else if (global.BDFDB && typeof BDFDB === "object" && BDFDB.loaded) this.initialize();
			this.startTimeout = setTimeout(() => {this.initialize();}, 30000);
		}

		initialize () {
			if (global.BDFDB && typeof BDFDB === "object" && BDFDB.loaded) {
				if (this.started) return true;
				BDFDB.loadMessage(this);

				this.FriendUtils = BDFDB.WebModules.findByProperties("getFriendIDs", "getRelationships");
				this.UserMetaStore = BDFDB.WebModules.findByProperties("getStatus", "getOnlineFriendCount");
				let RelationshipTypes = BDFDB.WebModules.findByProperties("RelationshipTypes").RelationshipTypes;
				for (let type in RelationshipTypes) this.relationshipTypes[RelationshipTypes[type]] = type;

				BDFDB.WebModules.forceAllUpdates(this);

				return true;
			}
			else {
				console.error(`%c[${this.name}]%c`, 'color: #3a71c1; font-weight: 700;', '', 'Fatal Error: Could not load BD functions!');
				return false;
			}
		}

		onStop () {
			if (global.BDFDB && typeof BDFDB === "object" && BDFDB.loaded) {
				BDFDB.removeEles(".betterfriendcount-badge");

				BDFDB.unloadMessage(this);
				return true;
			}
			else {
				return false;
			}
		}
		

		// begin of own functions

		processTabBar (instance, wrapper) {
			if (instance.props && instance.props.children && instance.props.children[0].key == "ADD_FRIEND") this.addCountNumbers(wrapper);
		}

		processNameTag (instance, wrapper) {
			if (wrapper.parentElement && BDFDB.containsClass(wrapper.parentElement, BDFDB.disCN.friendscolumn)) this.addCountNumbers();
		}

		addCountNumbers (wrapper = document.querySelector(BDFDB.dotCNS.friends + BDFDB.dotCN.settingstabbar)) {
			if (!wrapper) return;
			let tabitems = wrapper.querySelectorAll(BDFDB.dotCN.settingsitem);
			if (!tabitems || tabitems.length < 5) return;
			BDFDB.removeEles(".betterfriendcount-badge");

			let relationships = this.FriendUtils.getRelationships(), relationshipCount = {};
			for (let type in this.relationshipTypes) relationshipCount[this.relationshipTypes[type]] = 0;
			for (let id in relationships) relationshipCount[this.relationshipTypes[relationships[id]]]++;
			let badgeclass = BDFDB.disCN.badgewrapper;
			tabitems[1].appendChild(BDFDB.htmlToElement(`<div class="${badgeclass} betterfriendcount-badge friendcount">${relationshipCount.FRIEND}</div>`));
			tabitems[2].appendChild(BDFDB.htmlToElement(`<div class="${badgeclass} betterfriendcount-badge onlinefriendcount">${this.UserMetaStore.getOnlineFriendCount()}</div>`));
			tabitems[3].appendChild(BDFDB.htmlToElement(`<div class="${badgeclass} betterfriendcount-badge requestincount">${relationshipCount.PENDING_INCOMING}</div>`));
			tabitems[3].appendChild(BDFDB.htmlToElement(`<div class="${badgeclass} betterfriendcount-badge requestoutcount">${relationshipCount.PENDING_OUTGOING}</div>`));
			tabitems[4].appendChild(BDFDB.htmlToElement(`<div class="${badgeclass} betterfriendcount-badge blockedcount">${relationshipCount.BLOCKED}</div>`));
		}
	}
};