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

	return class extends Plugin {
		initConstructor () {
			this.patchModules = {
				"HeaderBar":["componentDidMount","componentDidUpdate"],
				"StandardSidebarView":["componentDidMount","componentWillUnmount"],
				"AuthWrapper":["componentDidMount","componentWillUnmount"]
			};

			this.patched = false;

			this.css = `
				body.hidden-by-OTB .bd-settings-button, 
				body.hidden-by-OTB .bd-settings {
					top: 0 !important;
				}

				.hidden-by-OTB ${BDFDB.dotCN.titlebar},
				.hidden-by-OTB ${BDFDB.dotCN.titlebar} + ${BDFDB.dotCNS.app + BDFDB.dotCN.splashbackground}:before {
					display: none !important;
				}

				body:not(.settingsTitlebarOTB-added) ${BDFDB.dotCN.channelheaderheaderbardrag} {
					-webkit-app-region: drag !important;
				}

				${BDFDB.dotCN.channelheaderheaderbardrag} *,
				${BDFDB.dotCN.contextmenu} * {
					-webkit-app-region: no-drag !important;
				}

				.settingsTitlebarOTB {
					position: relative;
					z-index: 1000;
					text-align: right;
					padding: 10px;
					-webkit-app-region: drag;
				}`;

			this.dividerMarkup = `<div class="buttonOTB dividerOTB ${BDFDB.disCN.channelheaderdivider}"></div>`;

			this.reloadButtonMarkup = 
				`<span class="${BDFDB.disCN.channelheadericonmargin} buttonOTB reloadButtonOTB">
					<svg class="${BDFDB.disCNS.channelheadericoninactive + BDFDB.disCN.channelheadericon}" xmlns="http://www.w3.org/2000/svg">
						<g fill="none" class="${BDFDB.disCN.channelheadericonforeground}" fill-rule="evenodd">
							<path fill="currentColor" transform="translate(4,4)" d="M17.061,7.467V0l-2.507,2.507C13.013,0.96,10.885,0,8.528,0C3.813,0,0.005,3.819,0.005,8.533s3.808,8.533,8.523,8.533c3.973,0,7.301-2.72,8.245-6.4h-2.219c-0.88,2.485-3.237,4.267-6.027,4.267c-3.536,0-6.4-2.864-6.4-6.4s2.864-6.4,6.4-6.4c1.765,0,3.349,0.736,4.507,1.893l-3.44,3.44H17.061z"/>
						</g>
					</svg>
				</span>`;

			this.minButtonMarkup = 
				`<span class="${BDFDB.disCN.channelheadericonmargin} buttonOTB minButtonOTB">
					<svg class="${BDFDB.disCNS.channelheadericoninactive + BDFDB.disCN.channelheadericon}" xmlns="http://www.w3.org/2000/svg" width="26" height="26">
						<g fill="none" class="${BDFDB.disCN.channelheadericonforeground}" fill-rule="evenodd">
							<path stroke-width="2" stroke="currentColor" d="M6 18 l13 0"/>
						</g>
					</svg>
				</span>`;

			this.maxButtonMarkup = 
				`<span class="${BDFDB.disCN.channelheadericonmargin} buttonOTB maxButtonOTB">
					<svg class="${BDFDB.disCNS.channelheadericoninactive + BDFDB.disCN.channelheadericon}" xmlns="http://www.w3.org/2000/svg" width="26" height="26">
						<g fill="none" class="${BDFDB.disCN.channelheadericonforeground}" fill-rule="evenodd"></g>
					</svg>
				</span>`;
			this.maxButtonInnerMin = `<path stroke-width="2" stroke="currentColor" d="M6 6 l13 0 l0 13 l-13 0 l0 -13"/>`;
			this.maxButtonInnerMax = `<path stroke-width="2" stroke="currentColor" d="M6 9 l10 0 l0 10 l-10 0 l0 -10 m3 -3 l10 0 l0 10"/>`;

			this.closeButtonMarkup = 
				`<span class="${BDFDB.disCN.channelheadericonmargin} buttonOTB closeButtonOTB">
					<svg class="${BDFDB.disCNS.channelheadericoninactive + BDFDB.disCN.channelheadericon}" xmlns="http://www.w3.org/2000/svg" width="26" height="26">
						<g fill="none" class="${BDFDB.disCN.channelheadericonforeground}" fill-rule="evenodd">
							<path stroke-width="2" stroke="currentColor" d="M6 6 l13 13 m0 -13 l-13 13"/>
						</g>
					</svg>
				</span>`;

			this.defaults = {
				settings: {
					displayNative:		{value:!!document.querySelector(".platform-linux"), 	description:"Displays the native Title Bar."},
					addOldBar:			{value:true, 											description:"Displays the Title Bar in the old fashion."},
					addToSettings:		{value:true, 											description:"Adds a Title Bar to Settings Windows."},
					reloadButton:		{value:false, 											description:"Adds a Reload Button to the Title Bar."}
				}
			};
		}

		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 (!global.BDFDB || typeof BDFDB != "object" || performance.now() - BDFDB.creationTime > 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);

				BDFDB.addEventListener(this, window, "resize", e => {this.changeMaximizeButtons();});

				this.window = require("electron").remote.getCurrentWindow();

				this.patchMainScreen(BDFDB.getData("displayNative", this, "settings"));

				BDFDB.addClass([document.body,document.querySelector(BDFDB.dotCN.titlebar)], "hidden-by-OTB");

				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(".headerbarOTB", ".settingsTitlebarOTB");

				BDFDB.removeClasses("hidden-by-OTB", "settingsTitlebarOTB-added");

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


		// begin of own functions

		processHeaderBar (instance, wrapper) {
			this.addTitleBar();
		}

		processStandardSidebarView (instance, wrapper, methodnames) {
			this.processAuthWrapper(instance, wrapper, methodnames);
		}

		processAuthWrapper (instance, wrapper, methodnames) {
			if (methodnames.includes("componentDidMount")) {
				this.addSettingsTitleBar(wrapper);
			}
			else if (methodnames.includes("componentWillUnmount")) {
				BDFDB.removeEles(".settingsTitlebarOTB");
				BDFDB.removeClass(document.body, "settingsTitlebarOTB-added");
				this.addTitleBar();
			}
		}

		addTitleBar () {
			BDFDB.removeEles(".headerbarOTB");
			var settings = BDFDB.getAllData(this, "settings");
			if (BDFDB.getData("addOldBar", this, "settings")) {
				var headerbar = BDFDB.htmlToElement(`<span class="headerbarOTB ${BDFDB.disCNS.flex + BDFDB.disCNS.horizontal + BDFDB.disCNS.horizontal2 + BDFDB.disCNS.directionrow + BDFDB.disCNS.justifystart + BDFDB.disCNS.aligncenter + BDFDB.disCN.nowrap}"></span>`);
				this.createButtons(headerbar);
				let headerbaricon = document.querySelector(BDFDB.dotCNS.channelheaderheaderbardrag + BDFDB.dotCN.flex + " > " + BDFDB.dotCN.channelheadericonmargin);
				if (headerbaricon) headerbaricon.parentElement.appendChild(headerbar);
				this.changeMaximizeButtons();
			}
		}

		addSettingsTitleBar (settingspane) {
			BDFDB.removeEles(".settingsTitlebarOTB");
			if (BDFDB.getData("addToSettings", this, "settings")) {
				BDFDB.addClass(document.body, "settingsTitlebarOTB-added");
				var settingsbar = BDFDB.htmlToElement(`<div class="settingsTitlebarOTB"></div>`);
				this.createButtons(settingsbar);
				settingspane.parentElement.appendChild(settingsbar);
				this.changeMaximizeButtons();
			}
		}

		createButtons (bar) {
			var settings = BDFDB.containsClass(bar, "settingsTitlebarOTB");
			if (BDFDB.getData("reloadButton", this, "settings")) {
				if (!settings) bar.appendChild(BDFDB.htmlToElement(this.dividerMarkup));
				var reloadbutton = BDFDB.htmlToElement(this.reloadButtonMarkup);
				bar.appendChild(reloadbutton);
				var reloadbuttonicon = reloadbutton.querySelector(BDFDB.dotCN.channelheadericon);
				reloadbuttonicon.addEventListener("click", () => {this.window.reload();});
				reloadbuttonicon.addEventListener("mouseenter", e => {
					BDFDB.createTooltip("Reload", reloadbuttonicon, {type:"bottom",selector:"reload-button-tooltip"});
				});
			}
			if (!settings) bar.appendChild(BDFDB.htmlToElement(this.dividerMarkup));
			var minbutton = BDFDB.htmlToElement(this.minButtonMarkup);
			bar.appendChild(minbutton);
			minbutton.querySelector(BDFDB.dotCN.channelheadericon).addEventListener("click", () => {this.window.minimize();});
			var maxbutton = BDFDB.htmlToElement(this.maxButtonMarkup);
			bar.appendChild(maxbutton);
			maxbutton.querySelector(BDFDB.dotCN.channelheadericon).addEventListener("click", () => {
				if (this.window.isMaximized()) this.window.unmaximize();
				else this.window.maximize();
				this.changeMaximizeButtons();
			});
			var closebutton = BDFDB.htmlToElement(this.closeButtonMarkup);
			bar.appendChild(closebutton);
			closebutton.querySelector(BDFDB.dotCN.channelheadericon).addEventListener("click", () => {this.window.close();});
		}

		changeMaximizeButtons () {
			var innerHTML = this.window.isMaximized() ? this.maxButtonInnerMax : this.maxButtonInnerMin;
			document.querySelectorAll(".maxButtonOTB g").forEach(g => {g.innerHTML = innerHTML;});
		}

		patchMainScreen (enable) {
			if (BdApi.getWindowPreference("frame") != enable) {
				BdApi.setWindowPreference("frame", enable);
				return true;
			}
			return false;
		}

		getSettingsPanel () {
			if (!global.BDFDB || typeof BDFDB != "object" || !BDFDB.loaded || !this.started) return;
			var settings = BDFDB.getAllData(this, "settings"); 
			var settingshtml = `<div class="${this.name}-settings DevilBro-settings"><div class="${BDFDB.disCNS.titledefault + BDFDB.disCNS.title + BDFDB.disCNS.size18 + BDFDB.disCNS.height24 + BDFDB.disCNS.weightnormal + BDFDB.disCN.marginbottom8}">${this.name}</div><div class="DevilBro-settings-inner">`;
			for (let key in settings) {
				settingshtml += `<div class="${BDFDB.disCNS.flex + BDFDB.disCNS.flex2 + BDFDB.disCNS.horizontal + BDFDB.disCNS.horizontal2 + BDFDB.disCNS.directionrow + BDFDB.disCNS.justifystart + BDFDB.disCNS.aligncenter + BDFDB.disCNS.nowrap + BDFDB.disCN.marginbottom8}" style="flex: 1 1 auto;"><h3 class="${BDFDB.disCNS.titledefault + BDFDB.disCNS.title + BDFDB.disCNS.marginreset + BDFDB.disCNS.weightmedium + BDFDB.disCNS.size16 + BDFDB.disCNS.height24 + BDFDB.disCN.flexchild}" style="flex: 1 1 auto;">${this.defaults.settings[key].description}</h3><div class="${BDFDB.disCNS.flexchild + BDFDB.disCNS.switchenabled + BDFDB.disCNS.switch + BDFDB.disCNS.switchvalue + BDFDB.disCNS.switchsizedefault + BDFDB.disCNS.switchsize + BDFDB.disCN.switchthemedefault}" style="flex: 0 0 auto;"><input type="checkbox" value="settings ${key}" class="${BDFDB.disCNS.switchinnerenabled + BDFDB.disCN.switchinner} settings-switch${key == "displayNative" ? " nativetitlebar-switch" : ""}"${settings[key] ? " checked" : ""}></div></div>`;
			}
			settingshtml += `</div></div>`;

			let settingspanel = BDFDB.htmlToElement(settingshtml);

			BDFDB.initElements(settingspanel, this);

			BDFDB.addEventListener(this, settingspanel, "click", ".nativetitlebar-switch", e => {
				if (this.patchMainScreen(e.currentTarget.checked)) {
					this.patched = !this.patched;
					let notifybar = document.querySelector("#OldTitleBarNotifyBar");
					if (notifybar) notifybar.querySelector(BDFDB.dotCN.noticedismiss).click();
					if (this.patched) {
						notifybar = BDFDB.createNotificationsBar("Changed nativebar settings, relaunch to see changes:", {type:"danger",btn:"Relaunch",id:"OldTitleBarNotifyBar"});
						notifybar.querySelector(BDFDB.dotCN.noticebutton).addEventListener("click", () => {
							let app = require("electron").remote.app;
							app.relaunch();
							app.quit();
						});
					}
				}
			});

			return settingspanel;
		}

		onSettingsClosed () {
			if (this.SettingsUpdated) {
				delete this.SettingsUpdated;
				this.addTitleBar();
			}
		}
	}
};