//META{"name":"ttsEvents"}*//

/*@cc_on
@if (@_jscript)
    // Offer to self-install for clueless users that try to run this directly.
    var shell = WScript.CreateObject("WScript.Shell");
    var fs = new ActiveXObject("Scripting.FileSystemObject");
    var pathPlugins = shell.ExpandEnvironmentStrings("%APPDATA%\\BetterDiscord\\plugins");
    var pathSelf = WScript.ScriptFullName;
    shell.Popup("It looks like you mistakenly tried to run me directly. (don't do that!)", 0, "I'm a plugin for BetterDiscord", 0x30);
    if (fs.GetParentFolderName(pathSelf) === fs.GetAbsolutePathName(pathPlugins)) shell.Popup("I'm in the correct folder already.\nJust reload Discord with Ctrl+R.", 0, "I'm already installed", 0x40);
    else if (!fs.FolderExists(pathPlugins)) shell.Popup("I can't find the BetterDiscord plugins folder.\nAre you sure it's even installed?", 0, "Can't install myself", 0x10);
    else if (shell.Popup("Should I copy myself to BetterDiscord's plugins folder for you?", 0, "Do you need some help?", 0x34) === 6) {
        fs.CopyFile(pathSelf, fs.BuildPath(pathPlugins, fs.GetFileName(pathSelf)), true);
        shell.Exec("explorer " + pathPlugins);
        shell.Popup("I'm installed!\nJust reload Discord with Ctrl+R.", 0, "Successfully installed", 0x40);
    }
    WScript.Quit();
@else @*/

function ttsEvents(){}

// https://github.com/tony311/betterdiscord-plugins

ttsEvents.prototype.getName          = function() { return "TTS Events"; }
ttsEvents.prototype.getDescription   = function() { return "Plays text-to-speech messages on events such as users joining.";  }
ttsEvents.prototype.getVersion       = function() { return "1.0.6"; }
ttsEvents.prototype.getAuthor        = function() { return "TonyLemur"; }

ttsEvents.prototype.load             = function() {}
ttsEvents.prototype.unload           = function() {}
ttsEvents.prototype.onMessage        = function() {}
ttsEvents.prototype.onSwitch         = function() {}
ttsEvents.prototype.stop             = function() {}

ttsEvents.prototype.start            = function() {
	var self = this;
	this.userCache = [];
	
	// Cache users every second
	setInterval(function(){
		self.userCache = self.getUsers();
	}, 1000);
	
	var voices = ["Default"];
	var speech = window.speechSynthesis;
	$.each(speech.getVoices(), function(){
		voices.push(this.name);
	});
	
	var OptionsPlugin = this.getOptionsPlugin();
	this.options = new OptionsPlugin({
		plugin:      this,
		storageKey:  "tts-events",
		defaults:    {
			only_if_connected:     {value:true,                       type:"toggle", label:"Only enable if you're connected to voice"},
			
			message_connected:     {value:"% has connected",          type:"text",   label:"Text spoken when a user connects to voice", help:"% is replaced with the username"},
			message_disconnected:  {value:"% has disconnected",       type:"text",   label:"Text spoken when a user disconnects from voice"},
			message_joinedchannel: {value:"% has joined the channel", type:"text",   label:"Text spoken when a user joins the channel"},
			message_leftchannel:   {value:"% has left the channel",   type:"text",   label:"Text spoken when a user leaves the channel"},
			
			voice_voice:           {value:"Default",                  type:"select", label:"Voice", options:voices},
			voice_volume:          {value:100,                        type:"range",  label:"Voice volume", min:0,  max:100,  step:1,  percent:true },
			voice_speed:           {value:100,                        type:"range",  label:"Voice speed",  min:10, max:1000, step:10, percent:true },
			voice_pitch:           {value:100,                        type:"range",  label:"Voice pitch",  min:0,  max:200,  step:1,  percent:true },
		}
	});
	
	this.options.load();
}

ttsEvents.prototype.observer         = function(e) {
	var elem = e.addedNodes[0];
	var removed = e.removedNodes[0];
	
	// User joined/moved to an empty channel
	if (elem && elem.className == "channel-voice-states") {
		var user = $(elem).find("span").text();
		var channel = $(elem).prev().find(".channel-name").text();
		
		var change = this.getUserChanges();
		
		// If there's a new user, he just joined
		if (change.joined.length > 0)
			this.userConnected(user, channel);
		else
			this.userMoved(user, channel);
	}
	
	// User joined/moved to a populated channel
	else if (elem && elem.tagName == "LI" && e.target.className == "channel-voice-states") {
		var user = $(elem).find("span").text();
		var channel = $(elem).parent().prev().find(".channel-name").text();
		
		var change = this.getUserChanges();
		
		// If there's a new user, he just joined
		if (change.joined.length > 0)
			this.userConnected(user, channel);
		else
			this.userMoved(user, channel);
	}
	
	// User left channel (channel still populated)
	else if (removed && removed.className == "channel-voice-states") {
		var change = this.getUserChanges();
		
		// If there's a missing user, he just left
		if (change.left.length > 0) {
			var leftUser = change.left[0];
			var prevChannel = this.getLastChannel(leftUser);
			this.userDisconnected(leftUser, prevChannel);
		}
	}
	
	// User left channel (last one in channel)
	else if (removed && removed.tagName == "LI" && e.target.className == "channel-voice-states") {
		var change = this.getUserChanges();
		
		// If there's a missing user, he just left
		if (change.left.length > 0) {
			var leftUser = change.left[0];
			var prevChannel = this.getLastChannel(leftUser);
			this.userDisconnected(leftUser, prevChannel);
		}
	}
}

ttsEvents.prototype.getSettingsPanel = function() {
	if (this.options) return this.options.settingsHTML();
}

ttsEvents.prototype.localChannel     = function() {
	var localUsername = this.localUsername();
	var localChannel = false;
	
	$(".channel-voice-states").each(function(){
		var channelName = $(this).prev().find(".channel-name").text();
		
		$(this).children("li").each(function(){
			var user = $(this).find("span").text();
			
			if (user == localUsername) {
				localChannel = channelName;
				return false;
			}
		});
	});
	
	return localChannel;
}

ttsEvents.prototype.localUsername    = function() {
	var myAvatar = $(".account > .avatar-small").css("background-image");
	var nick;
	
	$(".channel-voice-states .avatar-small").each(function(){
		var avatar = $(this).css("background-image");
		
		if (avatar == myAvatar) {
			nick = $(this).next().text();
			return false;
		}
	});
	
	// If the above failed for some reason, fall back to using the account name
	if (!nick)
		return $(".account-details > .username").text();
	
	return nick;
}

ttsEvents.prototype.userConnected    = function(user, channel) {
	this.playNotification(user, channel, "connected");
}

ttsEvents.prototype.userDisconnected = function(user, channel) {
	this.playNotification(user, channel, "disconnected");
}

ttsEvents.prototype.userMoved        = function(user, channel) {
	this.playNotification(user, channel,"moved")
}

ttsEvents.prototype.getUsers         = function() {
	var users = [];
	
	$(".channel-voice-states").each(function(){
		var channelName = $(this).prev().find(".channel-name").text();
		
		$(this).children("li").each(function(){
			var user = $(this).find("span").text();
			
			users.push({name:user,channel:channelName});
		});
	});
	
	return users;
}

ttsEvents.prototype.getLastChannel   = function(usertofind) {
	var channel = false;
	
	$(this.userCache).each(function(){
		if (this.name == usertofind) {
			channel = this.channel;
			return false;
		}
	});
	
	return channel;
}

ttsEvents.prototype.getUserChanges   = function() {
	var cachedUsers = [];
	var currentUsers = [];
	
	// Save an array of cached users
	$(this.userCache).each(function(){
		cachedUsers.push(this.name);
	});
	
	// Save an array of current users
	$(this.getUsers()).each(function(){
		currentUsers.push(this.name);
	});
	
	// Find users that no longer exist
	var usersThatLeft = cachedUsers.filter(function(i){
		return currentUsers.indexOf(i) < 0;
	});
	
	// Filter users that just started existing
	var usersThatJoined = currentUsers.filter(function(i){
		return cachedUsers.indexOf(i) < 0;
	});
	
	return {joined:usersThatJoined, left:usersThatLeft};
}

ttsEvents.prototype.getDeafened      = function() {
	return $(".btn-deafen").first().hasClass("disabled");
}

ttsEvents.prototype.playNotification = function(user,channel,type) {
	var localUsername = this.localUsername();
	var localChannel = this.localChannel();
	var prevChannel = this.getLastChannel(user);
	
	if (this.getDeafened()) return;
	if (user == localUsername) return;
	if (!localChannel && this.options.get("only_if_connected")) return;
	if (!localChannel && type == "moved") return;
	
	var key;
	
	if (type == "connected")              key = "message_connected";
	else if (type == "disconnected")      key = "message_disconnected";
	else if (type == "moved") {
		if (localChannel == prevChannel)  key = "message_leftchannel";
		else if (localChannel == channel) key = "message_joinedchannel";
	}
	
	this.speak(this.options.get(key).replace("%", user));
	
	this.userCache = this.getUsers();
}

ttsEvents.prototype.speak            = function(text) {
	var self = this;
	var args = [];
	
	var speech = new SpeechSynthesisUtterance(text);
	var voices = window.speechSynthesis.getVoices();
	
	speech.volume = this.options.get("voice_volume") / 100;
	speech.rate   = this.options.get("voice_speed")  / 100;
	speech.pitch  = this.options.get("voice_pitch")  / 100;
	// this.options.get("voice_speed") * .099 + 0.1
	
	$.each(voices, function(){
		if (self.options.get("voice_voice") == this.name)
			speech.voice = this;
	});
	
	window.speechSynthesis.speak(speech);
}

// Tony's OptionsPlugin Helper /////////////////////////////////////
// https://github.com/tony311/betterdiscord-optionshelper //////////
ttsEvents.prototype.getOptionsPlugin = function(){
	var OptionsPlugin                      = function(params){       // Constructor
		params.defaults = params.defaults || {};
		
		$.each(params.defaults, function(key,option) {
			if (option.type == "range") {
				option.min = (option.min === undefined) ? 0 : option.min;
				option.max = (option.max === undefined) ? 100 : option.max;
				option.step = (option.step === undefined || option.step == 0) ? 1 : option.step;
				option.percent = (option.percent === undefined) ? false : option.percent;
			}
		});
		
		this.options         = this._clone(params.defaults);
		this.defaults        = this._clone(params.defaults);
		this.plugin          = params.plugin;
		this.saveCallback    = params.onSave;
		this.resetCallback   = params.onReset;
		this.pluginName      = params.plugin.getName();
		this.pluginShortName = this.pluginName.replace(/[^a-zA-Z0-9-_]/g,"").toLowerCase();
		this.storageKey      = params.storageKey || this.pluginShortName + "-options";
		
		// Save a reference to this options instance in the original plugin
		params.plugin._optionsplugin = this;
		
		// Hook into the plugin's observer event and extend it to clean up our listeners when the settings window is hidden
		this.oldObserver = params.plugin.observer;
		var self = this;
		params.plugin.observer = function(e){
			if (e.removedNodes[0] && e.removedNodes[0].id == "bd-psm-id") {
				$(document).off("keydown.optionsplugin").off("mouseup.optionsplugin").off("mousemove.optionsplugin");
			}
			
			if (self.oldObserver) self.oldObserver.bind(self.plugin,e)();
		}
		
		BdApi.clearCSS(`optionsplugin-${this.pluginShortName}`);
		BdApi.injectCSS(`optionsplugin-${this.pluginShortName}`, `
			.optionsplugin-${this.pluginShortName}-title              { font-size:18pt; font-weight:bold; margin-bottom:5px; }
			#optionsplugin-${this.pluginShortName} .help-text         { margin:5px 0px; }
			.optionsplugin-${this.pluginShortName}-buttons            { width:100%; margin-top:5px; }
			.optionsplugin-${this.pluginShortName}-buttons button     { float:right; }
			#optionsplugin-${this.pluginShortName}-defaults           { margin-right:5px; color:#ddd !important; background:#949494 !important; }
			
			.slider-handle span.hovered { opacity:1 !important; }
		`);
	};
	OptionsPlugin.prototype.getDefaults    = function(){             // Get default options object
		return this.defaults;
	};
	OptionsPlugin.prototype.get            = function(name){         // Get a value
		if (!this.options[name]) return;
		
		return this.options[name].value;
	};
	OptionsPlugin.prototype.set            = function(name,value){   // Set a value
		if (!this.options[name])
			this.options[name] = {};
		
		this.options[name].value = value;
		
		this.save();
	};
	OptionsPlugin.prototype.getAll         = function(){             // Get all options
		return this.options;
	};
	OptionsPlugin.prototype.simpleOptions  = function(){             // Get options as a key=value object (used for bdPluginStorage)
		var simpleoptions = {};
		
		$.each(this.options, function(key, option){
			simpleoptions[key] = option.value;
		});
		
		return simpleoptions;
	};
	OptionsPlugin.prototype.save           = function(){             // Save options to bdPluginStorage
		var self = this;
		$.each(this.simpleOptions(), function(key, value){
			bdPluginStorage.set(self.storageKey, key, value);
		});
	};
	OptionsPlugin.prototype.load           = function(){             // Load options from bdPluginStorage
		this.options = this._clone(this.defaults);
		
		var self = this;
		$.each(this.options, function(key, option){
			if (self.options[key]) {
				var value = bdPluginStorage.get(self.storageKey, key);
				if (value !== null) {
					self.options[key].value = value;
				}
			}
		});
	};
	OptionsPlugin.prototype.reset          = function(){             // Reset options to defaults
		this.options = this._clone(this.defaults);
		this.save();
	}
	OptionsPlugin.prototype._setFromForm   = function(elem){        // Save an element's value. elem = null to save all inputs
		var key = $(elem).attr("data-optionsplugin-name");
		var value;
		
		if ($(elem).attr("type") == "checkbox")
			value = $(elem).prop("checked");
		else if ($(elem).attr("type") == "number" || $(elem).attr("type") == "range") {
			value = parseFloat($(elem).val(), 10);
		}
		else
			value = $(elem).val();
		
		this.options[key].value = value;
		this.save();
		if (this.saveCallback) this.saveCallback(key, value);
	}
	OptionsPlugin.prototype._resetSettings = function(){             // Called when "Defaults" button is clicked
		var self = this;
		
		$.each(this.defaults, function(key, option){
			var input = $(`#${self.pluginShortName}-settings-${key}`);
			
			if (option.type == "range") {
				input.attr("value", option.value).trigger("change");
			}
			else if (option.type == "toggle") {
				input.prop("checked", option.value).trigger("change");
			}
			else if (option.type == "select") {
				input.val(option.value).trigger("change");
			}
			else
				input.attr("value", option.value).trigger("change");
		});
		
		if (this.resetCallback) this.resetCallback();
	}
	
	OptionsPlugin.prototype.settingsHTML   = function(){             // Returns the settings panel (call this in getSettingsPanel())
		var self = this;
		
		var html = `<div class='optionsplugin-${this.pluginShortName}-title'>${this.pluginName}</div><div class='form' id='optionsplugin-${this.pluginShortName}' style='width:100%;overflow:hidden;padding:5px;'>`;
		
		$.each(this.getAll(), function(key,option){
			html += `<div class='control-group'>${self._inputHTML(key,option).html()}</div>`;
		});
		
		
		html += `</div>
			<div class='form optionsplugin-${this.pluginShortName}-buttons'>
				<button type='button' class='btn btn-primary' id='optionsplugin-${this.pluginShortName}-done'>Done</button>
				<button type='button' class='btn btn-primary' id='optionsplugin-${this.pluginShortName}-defaults'>Defaults</button>
				<div style='clear:both'></div>
			</div>
			<script>
				var round = BdApi.getPlugin("${this.pluginName}")._optionsplugin._round; // Save the OptionsPlugin's _round function as a variable for easier access;
				var convertRange = BdApi.getPlugin("${this.pluginName}")._optionsplugin._convertRange;
				var snapTo = BdApi.getPlugin("${this.pluginName}")._optionsplugin._snapTo;
				var dragging, lastDragged, spanUnhover;
				
				var num = function(str){return parseFloat(str,10);}
				var updateSliderValues = function(slider, showTooltip) {
					var input = slider.closest(".slider").find("input");
					
					var pct = convertRange({
						value:input.attr("value"),
						from:[input.attr("min"),input.attr("max")],
						to:[0,100],
					});
					
					slider.find("span").text(input.attr("value") + (input.attr("data-percent") == "true" ? "%":""));
					
					if (showTooltip) {
						slider.find("span").addClass("hovered");
						clearTimeout(spanUnhover);
						spanUnhover = setTimeout(function(){slider.find("span").removeClass("hovered");},1000);
					}
					
					slider.closest(".slider").find(".slider-bar-fill").css("width", pct + "%");
					slider.css("left", pct+"%");
				}
				
				$("#optionsplugin-${this.pluginShortName} .slider-handle").mousedown(function(){
					lastDragged = $(this);
					dragging = $(this);
				});
				
				$(document).on("mouseup.optionsplugin", function(){
					dragging = false;
				}).on("mousemove.optionsplugin", function(event){
					if (dragging) {
						var left = event.pageX - dragging.width()/2;
						var farLeft = dragging.parent().offset().left - 15;
						var farRight = dragging.parent().offset().left + dragging.parent().width() - 10;
						
						     if (left < farLeft ) left = farLeft;
						else if (left > farRight) left = farRight;
						
						dragging.offset({left:left});
						
						var input = dragging.closest(".slider").find("input");
						
						var value = convertRange({
							value:left,
							from:[farLeft,farRight],
							to:[input.attr("min"),input.attr("max")],
						});
						
						value = snapTo({
							value:value,
							step:input.attr("data-step"),
							min:input.attr("min"),
							max:input.attr("max"),
						});
						
						var pct = convertRange({
							value:left,
							from:[farLeft,farRight],
							to:[0,100],
						});
						
						dragging.find("span").text(value + (input.attr("data-percent") == "true" ? "%":""));
						input.attr("value", value).trigger("change");
						dragging.closest(".slider").find(".slider-bar-fill").css("width", pct + "%");
					}
				}).on("keydown.optionsplugin", function(e){
					var direction;
					if      (e.which == 37) direction = -1;
					else if (e.which == 39) direction =  1;
					else                    return;
					
					var input = lastDragged.closest(".slider").find("input");
					var newVal = parseFloat(input.attr("value"),10) + ((parseFloat(input.attr("data-step"),10) || 1) * direction);
					
					newVal = snapTo({
						value:newVal,
						step:input.attr("data-step"),
						min:input.attr("min"),
						max:input.attr("max"),
					});
					
					input.attr("value", newVal).trigger("change");
					updateSliderValues(lastDragged, true);
				});
				
				var setSliderValue = function(handle){
					handle.hide();
				}
				
				
				$("#optionsplugin-${this.pluginShortName} .checkbox").click(function(){
					$(this).find("input").prop("checked", !$(this).find("input").prop("checked")).trigger("change");
				});
				
				$("#optionsplugin-${this.pluginShortName} input, #optionsplugin-${this.pluginShortName} select").on("change paste keyup", function(){
					BdApi.getPlugin("${this.pluginName}")._optionsplugin._setFromForm(this);
					
					if ($(this).attr("type") == "number" && $(this).attr("data-step")) {
						updateSliderValues($(this).closest(".slider").find(".slider-handle"));
					}
				});
				
				$("#optionsplugin-${this.pluginShortName}-done").click(function(){
					$(".bd-psm").remove();
				});
				
				$("#optionsplugin-${this.pluginShortName}-defaults").click(function(){
					BdApi.getPlugin("${this.pluginName}")._optionsplugin._resetSettings()
				});
			</script>`;
		
		return html;
	}
	OptionsPlugin.prototype._inputHTML     = function(key, option){  // Returns <input> HTML for a setting
		if (option.type == "number") {
			var input = $(`<div>${this._labelHTML(key,option).html()}<input type='number' id='${this.pluginShortName}-settings-${key}'/></div>`);
			input.find("input").attr("value", option.value).attr("data-optionsplugin-name", key);
		}
		
		else if (option.type == "range") {
			var input = $(`<div>${this._labelHTML(key,option).html()}<div class='slider'><input type='number' id='${this.pluginShortName}-settings-${key}' readonly><div class='slider-bar'><div class='slider-bar-fill'></div></div><div class='slider-handle-track'><div class='slider-handle'><span></span></div></div></div></div>`);
			
			var pct = ((option.value-option.min)*100) / (option.max-option.min);
			
			     if (pct > 100) pct = 100;
			else if (pct < 0  ) pct = 0;
			
			input.find(".slider-bar-fill").css("width", pct+"%");
			input.find(".slider-handle").css("left", pct+"%");
			input.find("span").text(this._snapTo({
				value:option.value,
				step:option.step||1,
				min:option.min,
				max:option.max,
			}) + (option.percent ? "%":""));
			input.find("input").attr("value", option.value).attr("min", option.min).attr("max", option.max).attr("data-percent", option.percent ? "true" : "false").attr("data-step", option.step ? option.step : 1).attr("data-optionsplugin-name", key);
		}
		
		else if (option.type == "toggle") {
			var input = $(`<div><ul class='checkbox-group'><li><div class='checkbox'><div class='checkbox-inner'><input type='checkbox' id='${this.pluginShortName}-settings-${key}'><span></span></div><span>${option.label}</span></div></li></ul></div>`);
			input.find("input").attr("checked", option.value ? "checked" : null).attr("data-optionsplugin-name", key);
			if (option.help) input.find(".checkbox").after(`<div class='help-text'>${option.help}</div>`);
		}
		
		else if (option.type == "select") {
			var input = $(`<div>${this._labelHTML(key,option).html()}<select id='${this.pluginShortName}-settings-${key}'></select></div>`);
			input.find("select").attr("data-optionsplugin-name", key);
			
			$.each(option.options, function(i, value){
				var selected = (value == option.value) ? " selected='selected'" : "";
				input.find("select").append(`<option${selected}>${value}</option>`);
			});
		}
		
		else {
			var input = $(`<div>${this._labelHTML(key,option).html()}<input type='text' id='${this.pluginShortName}-settings-${key}'/></div>`);
			input.find("input").attr("value", option.value).attr("data-optionsplugin-name", key);
		}
		
		return input;
	}
	OptionsPlugin.prototype._labelHTML     = function(key, option){  // Returns <label> HTML for a setting
		var label = $(`<div><label for='${this.pluginShortName}-settings-${key}'>${option.label}</label></div>`);
		
		if (option.help) label.find("label").after(`<div class='help-text'>${option.help}</div>`);
		
		return label;
		
	}
	
	OptionsPlugin.prototype._clone         = function(object){       // Helper function to clone an object/array
		// http://stackoverflow.com/questions/122102/what-is-the-most-efficient-way-to-clone-an-object-in-javascript
		return JSON.parse(JSON.stringify(object));
	}
	OptionsPlugin.prototype._round         = function(num,precision){// Rounds a number to the given decimal precision
		var factor = Math.pow(10, precision);
		var tempNumber = number * factor;
		var roundedTempNumber = Math.round(tempNumber);
		return roundedTempNumber / factor;
	};
	OptionsPlugin.prototype._convertRange  = function(v) {           // Converts a value from one range to another
		return (((num(v.value) - num(v.from[0])) * (num(v.to[1]) - num(v.to[0]))) / (num(v.from[1]) - num(v.from[0]))) + num(v.to[0]);
	}
	OptionsPlugin.prototype._snapTo        = function(v){            // Snap a number to a given increment starting at the given base
		
		v.value = parseFloat(v.value, 10);
		v.step = parseFloat(v.step, 10);
		v.min = parseFloat(v.min, 10);
		v.max = parseFloat(v.max, 10);
		
		var offset = (v.value - v.min) % v.step;
		v.value -= offset;
		offset *= 2;
		if (offset >= v.step)
			v.value += v.step;
		
		if (v.value > v.max) v.value = v.max;
		if (v.value < v.min) v.value = v.min;
		
		var places = v.step.toString().replace(/0*$/,'').split(".")[1];
		return v.value.toFixed(places ? places.length : 0);
	}
	
	return OptionsPlugin;
}
// End Tony's OptionsPlugin Helper /////////////////////////////////

/*@end @*/