capitals_quiz/game.js
2022-01-14 02:13:13 +00:00

353 lines
12 KiB
JavaScript

"use strict";
const ALL_REGIONS = "All Regions";
const FLAG_DIR = "flags";
const answersHTML = document.getElementById("answers");
const answerAHTML = document.getElementById("answer_a");
const answerBHTML = document.getElementById("answer_b");
const answerCHTML = document.getElementById("answer_c");
const answerDHTML = document.getElementById("answer_d");
const bodyHTML = document.getElementsByTagName("body")[0]
const incorrectAnswersTable = document.getElementById('incorrectAnswersTable');
const correctAnswersTable = document.getElementById('correctAnswersTable');
const previousQuestionAnswer = document.getElementById('previousQuestionAnswer');
const previousQuestionText = document.getElementById('previousQuestionText');
const regionListHTML = document.getElementById("regionList");
const resultsHTML = document.getElementById("results");
const scoreHTML = document.getElementById("score");
const settingsHTML = document.getElementById("settings");
const questionHTML = document.getElementById("question");
const timeHTML = document.getElementById("time");
var gameTimeStartTime = 0;
var gameTimeIntervalId = 0;
var selectedRegion = null;
const guessCapital = () => document.getElementById('questionTypeCapital').checked;
const guessCountry = () => document.getElementById('questionTypeCountry').checked;
const guessFlag = () => document.getElementById('questionTypeFlag').checked;
const guessReverseFlag = () => document.getElementById('questionTypeReverseFlag').checked;
const updateTime = () => {
const secondsPassed = ((new Date().getTime() - gameTimeStartTime.getTime())/1000)
.toFixed(3);
timeHTML.innerHTML = secondsPassed;
}
const getMasterQuestionList = () => {
if(guessCountry()) return capitals
return countries;
}
const getQuestionHTML = (state) => {
if(guessCountry())
return `what country is <span id="questionCapital">${state.question.capital}</span> the capital of?`
if (guessCapital())
return `what is the capital of <span id="questionCountry">${state.question.countryname}</span>?`
if(guessFlag())
return `what is the flag of <span id="questionCountry">${state.question.countryname}</span>?`
if(guessReverseFlag())
return `which country's flag is ${getImageURLFromCountryCode(state.question.code)}?`
}
const answer_list = () => {
return Object.values(getMasterQuestionList());
}
const getImageURLFromCountryCode = (code) => `<img src="${FLAG_DIR}/${code}.svg" />`;
const regionList = () => [...new Set(Object.values(getMasterQuestionList()).map(item => item.region))]
.concat([...new Set(Object.values(getMasterQuestionList()).map(item => item.subregion))])
.concat([ALL_REGIONS])
.sort();
const date = new Date();
var questionList, state;
var resultsChart = new Chart(
document.getElementById('resultsChart'),
{
type: 'doughnut',
data: {
labels: [],
datasets: [
{
labels: [],
data: [],
backgroundColor: [
"#a1b56c",
"#ab4642",
]
}
]
},
options: {}
}
);
// set up game
function init() {
// generate question list
questionList = Object.values(getMasterQuestionList())
.filter(q => q.region == selectedRegion || q.subregion == selectedRegion)
.sort(() => Math.random()-0.5);
// set up state variable
state.endTime = 0;
state.finishedGame = false;
state.startedGame = true;
state.maxScore = questionList.length;
state.score = 0;
state.startTime = date.getTime();
state.correctAnswers = [];
state.incorrectAnswers = [];
state.userAnswer = null;
// show and hide appropriate elements
answersHTML.style.display = "";
settingsHTML.style.display = "none";
questionHTML.onclick = deinit;
incorrectAnswersTable.innerHTML = "<tr> <th> question </th> <th> answer </th> <th> your answer </th> </tr>";
correctAnswersTable.innerHTML = "<tr> <th> country </th> <th> capital </th> </tr>";
// start game
updateState();
updateScreen();
gameTimeStartTime = new Date()
gameTimeIntervalId = setInterval(updateTime, 1);
}
// stop game, go back to start screen
function deinit() {
clearInterval(gameTimeIntervalId);
answersHTML.style.display = "none";
resultsHTML.style.display = "none";
settingsHTML.style.display = "";
questionHTML.innerHTML = "capitals_quiz - select a region to start!";
scoreHTML.innerHTML = "score";
questionHTML.onclick = init;
timeHTML.innerHTML = "time";
questionList = null;
state = {
"score": 0,
"maxScore": 0,
"startTime": 0,
"endTime": 0,
"finishedGame": true,
"startedGame": false,
};
}
function updateState() {
// check if game is over
if (questionList.length == 0) { state.finishedGame = true; return; }
// set up new question
const newQuestion = questionList.pop();
console.log(newQuestion);
var options = []
while (options.length < 4) {
var c = answer_list()[Math.floor(Math.random()*answer_list().length)];
var question = getMasterQuestionList()[newQuestion.countryname];
if (question == undefined) question = getMasterQuestionList()[newQuestion.capital];
console.log(c);
console.log(question);
if (c !== getMasterQuestionList()[newQuestion.countryname]&& !options.includes(c)){
options.push(c);
}
}
var question = getMasterQuestionList()[newQuestion.countryname];
if (question == undefined) question = getMasterQuestionList()[newQuestion.capital];
options[Math.floor(Math.random()*4)] = question;
if (state.question) state.previousQuestion = {
"question": state.question,
"options": state.options,
"answer": state.answer
};
state.question = newQuestion;
state.options = options;
state.answer = question;
console.log(state);
}
// update HTML elements to reflect values of state
function updateScreen(){
scoreHTML.innerHTML = state.score + "/" + state.maxScore;
if (state.finishedGame) {
displayEndScreen();
return;
}
if (!guessFlag() && !guessReverseFlag()) {
answerAHTML.getElementsByClassName("text")[0].innerHTML = state.options[0].answer;
answerBHTML.getElementsByClassName("text")[0].innerHTML = state.options[1].answer;
answerCHTML.getElementsByClassName("text")[0].innerHTML = state.options[2].answer;
answerDHTML.getElementsByClassName("text")[0].innerHTML = state.options[3].answer;
} else if (guessReverseFlag()) {
answerAHTML.getElementsByClassName("text")[0].innerHTML = state.options[0].countryname;
answerBHTML.getElementsByClassName("text")[0].innerHTML = state.options[1].countryname;
answerCHTML.getElementsByClassName("text")[0].innerHTML = state.options[2].countryname;
answerDHTML.getElementsByClassName("text")[0].innerHTML = state.options[3].countryname;
} else {
answerAHTML.getElementsByClassName("text")[0].innerHTML = getImageURLFromCountryCode(state.options[0].code);
answerBHTML.getElementsByClassName("text")[0].innerHTML = getImageURLFromCountryCode(state.options[1].code);
answerCHTML.getElementsByClassName("text")[0].innerHTML = getImageURLFromCountryCode(state.options[2].code);
answerDHTML.getElementsByClassName("text")[0].innerHTML = getImageURLFromCountryCode(state.options[3].code);
}
questionHTML.innerHTML = getQuestionHTML(state)
if (state.previousQuestion ) {
previousQuestionAnswer.innerHTML = state.previousQuestion.question.answer;
previousQuestionText.style.display = "";
}
}
function displayEndScreen() {
questionHTML.innerHTML = "you did it! click here to restart";
answers.style.display = "none";
answers.style.display = "none";
clearInterval(gameTimeIntervalId);
if (guessReverseFlag() || guessFlag()) {
incorrectAnswersTable.innerHTML = "<tr> <th> country </th> <th> answer </th> <th> your answer </th> </tr>";
correctAnswersTable.innerHTML = "<tr> <th> flag </th> <th> country </th> </tr>";
}
if (guessReverseFlag()) {
state.incorrectAnswers.forEach(ans => {
var tr = document.createElement('tr');
console.log(ans)
tr.appendChild(document.createElement('td'))
tr.lastChild.innerHTML = ans.question.countryname
tr.appendChild(document.createElement('td'))
tr.lastChild.innerHTML = getImageURLFromCountryCode(ans.answer.code);
tr.appendChild(document.createElement('td'))
tr.lastChild.innerHTML = getImageURLFromCountryCode(ans.options[ans.userAnswer].code);
incorrectAnswersTable.appendChild(tr);
})
if (state.incorrectAnswers.length <= 0)
incorrectAnswersTable.innerHTML = "no incorrect answers! go you!";
state.correctAnswers.forEach(ans => {
var tr = document.createElement('tr');
tr.appendChild(document.createElement('td'))
tr.lastChild.innerHTML = getImageURLFromCountryCode(ans.question.code);
tr.appendChild(document.createElement('td'))
tr.lastChild.innerHTML = ans.answer.countryname;
correctAnswersTable.appendChild(tr);
})
} else {
state.incorrectAnswers.forEach(ans => {
var tr = document.createElement('tr');
console.log(ans)
tr.appendChild(document.createElement('td'))
if (guessCountry()) tr.lastChild.innerHTML = ans.question.capital
else tr.lastChild.innerHTML = ans.question.countryname
tr.appendChild(document.createElement('td'))
if (guessFlag()) tr.lastChild.innerHTML = getImageURLFromCountryCode(ans.answer.code);
else tr.lastChild.innerHTML = ans.answer.answer;
tr.appendChild(document.createElement('td'))
if (guessFlag()) tr.lastChild.innerHTML = getImageURLFromCountryCode(ans.options[ans.userAnswer].code);
else tr.lastChild.innerHTML = ans.options[ans.userAnswer].answer;
incorrectAnswersTable.appendChild(tr);
})
if (state.incorrectAnswers.length <= 0)
incorrectAnswersTable.innerHTML = "no incorrect answers! go you!";
state.correctAnswers.forEach(ans => {
var tr = document.createElement('tr');
tr.appendChild(document.createElement('td'))
tr.lastChild.innerHTML = ans.question.countryname
tr.appendChild(document.createElement('td'))
if (guessFlag()) tr.lastChild.innerHTML = getImageURLFromCountryCode(ans.answer.code);
else tr.lastChild.innerHTML = ans.answer.capital;
correctAnswersTable.appendChild(tr);
})
}
if (state.correctAnswers.length <= 0)
correctAnswersTable.innerHTML = "no correct answers. better luck next time :')";
resultsChart.config.data.labels = ["correct", "incorrect"];
resultsChart.config.data.labels = ["correct", "incorrect"];
resultsChart.config.data.datasets[0].labels = ["correct", "incorrect"];
resultsChart.config.data.datasets[0].data = [state.correctAnswers.length,state.incorrectAnswers.length];
resultsChart.update();
resultsHTML.style.display = "";
}
function processClick(answer) {
if (state.finishedGame) return;
// check if answer to previous question was correct
var isAnswerCorrect = state.options[answer] == state.answer
state.score += isAnswerCorrect ? 1 : 0;
state.userAnswer = answer;
state[isAnswerCorrect ? "correctAnswers" : "incorrectAnswers"].push({
"question": state.question,
"options": state.options,
"userAnswer": state.userAnswer,
"answer": state.answer
});
state.userAnswer = null;
// change background color based on if answer was correct for 500ms
bodyHTML.classList.add(isAnswerCorrect ? "correct" : "incorrect")
setTimeout(() => bodyHTML.classList = [], 500)
updateState();
updateScreen();
}
function setRegion(region) {
selectedRegion = region
}
// set up event listeners
answerAHTML.addEventListener("click", () => processClick(0));
answerBHTML.addEventListener("click", () => processClick(1));
answerCHTML.addEventListener("click", () => processClick(2));
answerDHTML.addEventListener("click", () => processClick(3));
document.addEventListener("keyup", e => {
if (e.code == "Digit1") processClick(0);
if (e.code == "Digit2") processClick(1);
if (e.code == "Digit3") processClick(2);
if (e.code == "Digit4") processClick(3);
if (e.code == "Enter" && settingsHTML.style.display === "none" && state.finishedGame) {
deinit();
return;
}
if (e.code == "Enter" && !state.startedGame) init();
});
// start game
deinit();
regionListHTML.innerHTML = regionList()
.map(region => {
return `<div class="regionListItem" onclick="setRegion('${region}'); init()"> ${region} </div>`
})
.sort()
.join("");