<!--
Copyright (C) 2021 Thomas Van Acker
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
This project is hosted on https://git.bitscuit.be/bitscuit/ReverseQuiz
-->
<html>
<head>
<title>Reverse Quiz</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://fonts.googleapis.com/css?family=Raleway:400,300,600" rel="stylesheet" type="text/css">
<link href="css/normalize.css" rel="stylesheet">
<link href="css/skeleton.css" rel="stylesheet">
<link href="css/extra.css" rel="stylesheet">
<link href="css/fontawesome/css/all.css" rel="stylesheet">
</head>
<body style="padding-top: 10px;">
<div id="main" class="container" style="text-align:center;">
<h1>Reverse Quiz</h1>
<p>Please enter a username to get started with the game.</p>
<input id="input_username" type="text" placeholder="Your username" />
<button id="button_username" class="button button-primary"><i class="fas fa-check"></i></button>
</div>
<div class="footer">
<p>Copyright © 2021 Thomas Van Acker<br/>Project hosted on <a href="https://git.bitscuit.be/bitscuit/ReverseQuiz">Gitscuit</a></p>
</div>
<!-- Socket.io stuff -->
<script src="/socket.io/socket.io.js"></script>
<script>
// Start socket.io
var socket = io();
// Init vars
var username;
var RANK_ICONS = ["🥇","🥈","🥉"];
var config = {
categories: [],
answerPreview: true,
timer: 60,
};
// Init listeners
// Username submit
document.getElementById("button_username").onclick = function(){
// Submit username
username = document.getElementById("input_username").value;
socket.emit("JOIN", username);
// Show loading page
document.getElementById("main").innerHTML = "<p>Loading, please wait.</p>";
}
// Lobby change
socket.on("LOBBY", function(users){
var page = "<h1>Waiting for other players...</h1><button id='button_lobby_start' class='button button-primary'><i class='fas fa-play'></i> Start game!</button><p>Currently in lobby:</p><ol>";
for(var i=0; i<users.length; i++){
page += "<li>"+users[i]+"</li>";
}
page += "</ol>";
// Config area
page += "<div id='config'></div>";
document.getElementById("main").innerHTML = page;
// Lobby start button listener (can only be set when element is added to page
document.getElementById("button_lobby_start").onclick = function(){
// Send START to server
socket.emit("START");
// Show loading page
document.getElementById("main").innerHTML = "<p>Loading, please wait.</p>";
}
// Disable button if not enough players
if(users.length < 2){
document.getElementById("button_lobby_start").style.display = "none";
}
reconstructConfig();
});
// CONFIG
function updateConfig(){
// Create new config from inputs
c = {
categories: [],
timer: 60,
answerPreview: true,
}
// Get categories
for(var i=0; i<config.categories.length; i++){
var cat = {
id: config.categories[i].id,
name: config.categories[i].name,
enabled: config.categories[i].enabled,
};
cat.enabled = document.getElementById("config-categories-"+cat.id).checked;
c.categories.push(cat);
}
// Get timer
c.timer = document.getElementById("config-timer").value;
// Get preview
c.answerPreview = document.getElementById("config-preview").checked;
// Send to server
socket.emit("CONFIG", {config: c});
}
function reconstructConfig(){
var page = "";
page += "<hr>";
page += "<h3>Game Config</h3>";
page += "<div>";
page += "<h5>Timer</h5>";
page += "<p>Number of seconds each player has to complete each step of the game.</p>";
page += "<input type='number' name='config-timer' id='config-timer' value='"+config.timer+"' onchange='updateConfig()' />";
page += "</div>";
page += "<hr>";
page += "<div>";
page += "<h5>Answer Preview</h5>";
page += "<p>Whether to display one of the possible answers to a question while writing false answers. This may help with formatting of the false answers.</p>";
page += "<span>";
page += "<input type='checkbox' name='config-preview' id='config-preview' "+(config.answerPreview ? "checked" : "")+" onchange='updateConfig()' />";
page += "<label for='config-preview'>Answer Preview</label>";
page += "</span>";
page += "</div>";
page += "<hr>";
page += "<div>";
page += "<h5>Categories</h5>";
for(var i=0; i<config.categories.length; i++){
page += "<span>";
page += "<input type='checkbox' name='config-categories' id='config-categories-"+config.categories[i].id+"' value='"+config.categories[i].id+"' "+(config.categories[i].enabled?"checked":"")+" onchange='updateConfig()' />";
page += "<label for='config-categories-"+config.categories[i].id+"'>"+config.categories[i].name+"</label>";
page += "</span>";
page += "<br>";
}
page += "</div>";
document.getElementById("config").innerHTML = page;
}
socket.on("CONFIG", function(data){
config = data.config;
reconstructConfig();
});
// LOBBY_CLOSED
socket.on("LOBBY_CLOSED", function(){
// When game busy
var page = "";
page += "<h1>Reverse Quiz</h1><p>The lobby is currently closed. Please come back in a few moments.</p>";
document.getElementById("main").innerHTML = page;
});
// LOADING
socket.on("LOADING", function(){
// Show loading screen
document.getElementById("main").innerHTML = "<p>Loading, please wait.</p>";
});
// START
socket.on("START", function(data){
// Parse game data and show to user
var page = "";
page += "<h1>Get ready!</h1>";
page += "<p>The game is about to begin.</p>";
page += "<p>Come up with false answers to a trivia quiz question to fool the other players. Afterwards, find the correct answer to the question, but don't get fooled by your friends wrong answers.</p>";
page += "<p>If you answer a question correctly, you gain 3 points. If someone else thought your false answer was correct, you gain 1 point. Get the most points to win the game!</p>";
page += "<button id='button_ok' class='button button-primary' onclick='button_ok()'><i class='fas fa-arrow-right'></i> Let's begin!</button>";
// Show page
document.getElementById("main").innerHTML = page;
});
// WRITE
socket.on("WRITE", function(data){
// Received new question
var page = "";
page += "<p>Question "+data.questionNr+" of "+data.questionsTotal+"</p>";
page += "<h4>"+data.question+"</h4>";
page += "<p>Enter a <b>false</b> answer.</p>";
page += "<input type='text' placeholder='Wrong answer' id='input_write' /><br/>";
page += "<p id='text_write_error' style='display: none; color: #BB2266; '></p>";
page += "<button id='button_ok' class='button button-primary' onclick='button_write()'><i class='fas fa-check'></i> Submit</button>";
// Show page
document.getElementById("main").innerHTML = page;
});
// WRITE button pressed
function button_write(){
// Disable button and input
document.getElementById("button_ok").disabled = true;
document.getElementById("button_ok").classList.remove("button-primary");
document.getElementById("input_write").disabled = true;
// Hide error text
document.getElementById("text_write_error").style.display = "none";
// Send OK to server
socket.emit("WRITE", {write:document.getElementById("input_write").value});
}
socket.on("WRITE_REPLY", function(data){
// When something wrong with write
// Enable button and input
document.getElementById("button_ok").disabled = false;
document.getElementById("button_ok").classList.add("button-primary");
document.getElementById("input_write").disabled = false;
// Show message
document.getElementById("text_write_error").innerHTML = "<i class='fas fa-exclamation-triangle'></i> "+data.error;
document.getElementById("text_write_error").style.display = "block";
});
// PICK
socket.on("PICK", function(data){
// Received all possible answers
var page = "";
page += "<p>Question "+data.questionNr+" of "+data.questionsTotal+"</p>";
page += "<h4>"+data.question+"</h4>";
page += "<div id='pick_buttons'>";
page += "<p>Select the <b>correct</b> answer.</p>";
for(y=0; y<data.answers.length/4+1; y++){
page += "<div class='row'>";
for(x=0; x<Math.min(4, data.answers.length-y*4); x++){
page += "<div class='three columns'>";
page += "<button class='button button-primary u-full-width' onclick='button_pick("+(y*4+x)+")'>";
page += data.answers[y*4+x];
page += "</button>";
page += "</div>";
}
page += "</div>";
}
page += "</div>";
// Show page
document.getElementById("main").innerHTML = page;
});
// PICK button
function button_pick(id){
// Disable all buttons and show waiting text
document.getElementById("pick_buttons").innerHTML = "<button class='button' id='button_ok' disabled>Loading...</button>";
// Send to server
socket.emit("PICK", id);
}
// ANSWER
socket.on("ANSWER", function(data){
// Received answer
var page = "";
page += "<p>Question "+data.questionNr+" of "+data.questionsTotal+"</p>";
page += "<h4>"+data.question+"</h4>";
page += "<p>Correct answer: <b>"+data.answers[data.correctAnswer]+"</b></p>";
// Table with results
page += "<table class='u-full-width'>";
page += "<thead>";
page += "<th></th>";
page += "<th></th>";
page += "<th>Answered</th>";
page += "<th>Wrote</th>";
page += "<th>Change</th>";
page += "<th>Points</th>";
page += "</thead>";
page += "<tbody>";
for(i=0; i<data.usernames.length; i++){
page += "<tr>";
page += "<td>"+data.usernames[i]+"</td>";
page += "<td>"+(data.userPick[i] == data.correctAnswer ? "<i class='fas fa-check' style='color: #22BB66;'></i>" : "<i class='fas fa-times' style='color: #BB2266;'></i>")+"</td>";
page += "<td>"+data.answers[data.userPick[i]]+"</td>";
page += "<td>"+data.userWrite[i]+"</td>";
page += "<td>+"+data.pointsDiff[i]+"</td>";
page += "<td>"+data.userPoints[i]+"</td>";
page += "</tr>";
}
page += "</tbody>";
page += "</table>";
// Button to continue
page += "<button class='button button-primary' id='button_ok' onclick='button_ok()'><i class='fas fa-arrow-right'></i> Next</button>";
// Show page
document.getElementById("main").innerHTML = page;
});
// STOP
socket.on("STOP", function(data){
// Game ends
// Show page
var page = "";
page += "<h1>We're done!</h1>";
page += "<p>All questions were answered. Let's see who's the winner!</p>";
// Scoreboard
page += "<table class='u-full-width'>";
page += "<thead>";
page += "<th>#</th>";
page += "<th>Username</th>";
page += "<th>Points</th>";
page += "</thead>";
page += "<tbody>";
for(i=0; i<data.ranks.length; i++){
page += "<tr>";
page += "<td>"+(data.ranks[i].rank <= 3 ? RANK_ICONS[data.ranks[i].rank-1] : data.ranks[i].rank)+"</td>";
page += "<td>"+data.ranks[i].name+"</td>";
page += "<td>"+data.ranks[i].score+"</td>";
page += "</tr>";
}
page += "</tbody>";
page += "</table>";
page += "<button class='button button-primary' onclick='button_restart()'><i class='fas fa-redo'></i> Restart game</button>";
document.getElementById("main").innerHTML = page;
});
// Restart button clicked
function button_restart(){
// Join the lobby
socket.emit("JOIN", username);
}
// OK button pressed
function button_ok(){
// Disable button
document.getElementById("button_ok").disabled = true;
document.getElementById("button_ok").classList.remove("button-primary");
// Send OK to server
socket.emit("OK");
}
// OK_REPLY
socket.on("OK_REPLY", (data) => {
// Check if already sent OK
if(document.getElementById("button_ok").disabled){
// Parse data and set ok button text
users = data.users;
var text = "<i class='fas fa-spinner fa-pulse'></i> ";
if(users.length == 1){
text += "Waiting for "+users[0];
}else if(users.length == 2){
text += "Waiting for "+users[0]+" and "+users[1];
}else{
text += "Waiting for "+users.length+" players";
}
document.getElementById("button_ok").innerHTML = text;
}
});
// DISCONNECT
socket.on("DISCONNECT", function(name){
// When player disconnected
alert(name+" left the game");
});
</script>
</body>
</html>