//Custom menu
document.addEventListener("contextmenu", function (e) {
    e.preventDefault();
    var contextMenu = document.getElementById("context-menu");
    contextMenu.style.top = e.clientY + 3 + "px";
    contextMenu.style.left = e.clientX + "px";
    contextMenu.classList.remove("hide");
});
document.addEventListener("click", function (e) {
    var contextMenu = document.getElementById("context-menu");
    contextMenu.classList.add("hide");
});


//Fullscreen
function toggleFullScreen() {
    if (!document.fullscreenElement &&
        !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {  // 各ブラウザのプレフィックスを考慮
        if (document.documentElement.requestFullscreen) {
            document.documentElement.requestFullscreen();
        } else if (document.documentElement.mozRequestFullScreen) {
            document.documentElement.mozRequestFullScreen();
        } else if (document.documentElement.webkitRequestFullscreen) {
            document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
        } else if (document.documentElement.msRequestFullscreen) {
            document.documentElement.msRequestFullscreen();
        }
    } else {
        if (document.exitFullscreen) {
            document.exitFullscreen();
        } else if (document.mozCancelFullScreen) {
            document.mozCancelFullScreen();
        } else if (document.webkitExitFullscreen) {
            document.webkitExitFullscreen();
        } else if (document.msExitFullscreen) {
            document.msExitFullscreen();
        }
    }
}
document.getElementById("fbtn").addEventListener("click", toggleFullScreen);


//Inspect
const classId = "insp";
function handleClick(event) {
    (function () { var r = _ => eruda.initDesktop(); if (!window.eruda) { var s = document.createElement("script"); s.src = "https://cdn.jsdelivr.net/gh/BinBashBanana/erudesktop@master/dist/eruda.js"; s.onload = r; s.onerror = _ => alert("Failed to load script"); document.body.appendChild(s) } else r() })();
}
const element = document.getElementById(classId);
element.addEventListener("click", handleClick);


//Clock
function clock() {
    var nowTime = new Date();
    var nowHour = nowTime.getHours();
    var nowMin = nowTime.getMinutes();
    var msg = (nowHour < 10 ? "0" : "") + nowHour + ":" + (nowMin < 10 ? "0" : "") + nowMin;
    document.getElementById("RealtimeClockArea").innerHTML = msg;
}
setInterval('clock()', 1000);


//Dark&Light theme
function toggleColorMode() {
    const body = document.body;
    const currentMode = body.classList.contains('dark-mode') ? 'dark-mode' : 'light-mode';
    const newMode = (currentMode === 'dark-mode') ? 'light-mode' : 'dark-mode';
    body.classList.replace(currentMode, newMode);
    localStorage.setItem('colorMode', newMode);
}
const savedMode = localStorage.getItem('colorMode');
if (savedMode === 'light-mode') {
    document.body.classList.add('light-mode');
} else {
    document.body.classList.add('dark-mode');
}


//Open a:b
function ablaunch(url) {
    const now = new Date();
    const hour = now.getHours();
        if (hour >= 22 || hour < 6) {
            alert("⚠現在はインターネットオフモードの時間帯なので外部サイトの読み込みはできません");
        }else{
            var newTab = window.open('about:blank', '_blank');
            newTab.document.write('<title>Google</title><meta charset="utf-8"><link rel="icon" href="https://google.com/favicon.ico">' + '<title>Google</title><iframe src="' + url + '" style="position:fixed;margin:0px;top:0px;left:0px;width: 100%; height: 100%; border: none;background-color:#fff;"></iframe>');
        }
}

//ab launch(app)
function abl() {
    var aburl = document.getElementById('abi').value;
    ablaunch(aburl);
}


//遅延読み込み
window.addEventListener('load', function() {
    setTimeout(() => {
        const now = new Date();
        const hour = now.getHours();
        var iframe = document.getElementById('cifr');
            if (hour >= 22 || hour < 6) {
                iframe.srcdoc = "<center><h1 style='color:#555'>インターネットオフモードの時間帯なので、読み込みはできません</h1>";
            }else{    
                iframe.src = 'https://element.envs.net';
            }
}, 100);
});


//battery
const batteryLevel = document.getElementById('battery-level');

function getBatteryLevel() {
    navigator.getBattery().then(function (battery) {
        if (battery.level * 100 <= 10) {
        batteryLevel.innerHTML = "<span style='color:red;' title='バッテリー残量が少なくなっています。'>" + Math.floor(battery.level * 100) + "%</span>";
        }else{ 
            if(battery.level * 100 === 100){
            batteryLevel.innerHTML = "<span style='color:green' title='バッテリー残量は100%です'>full</span>";
            }else{
            batteryLevel.innerHTML =  Math.floor(battery.level * 100) + "%";
            }
        }
    });
}
getBatteryLevel();

setInterval(function () {
    getBatteryLevel();
}, 5000);


//Panic key
let panickey;
function enablepc() {
    localStorage.setItem("Panickey?", "true");
    alert("Panickeyが有効化されました");
}
function disblepc() {
    localStorage.removeItem("Panickey?");
    alert("Panickeyが無効化されました");
}
document.addEventListener('keydown', function(event) {
    if (event.key === '^' || event.key === '~') {
        if (localStorage.getItem("Panickey?") === "true") {
            window.onbeforeunload = null;
            localStorage.setItem("logout?", "ture");
            document.write("");
            var newWindow = window.open("about:blank", "_blank");
            newWindow.location.href = "https://ela.education.ne.jp/students/free/recommends"; 
            window.close();
            window.location.href = "https://classroom.google.com/";
        }
    }
});


//Password
function savePassword() {
    var password = document.getElementById("pi").value;
    localStorage.setItem("savedPassword", password);
    alert("パスワードが設定されました");
  }
  
function checkPassword() {
    var enteredPassword = document.getElementById("ci").value;
    var savedPassword = localStorage.getItem("savedPassword");
  
    if (enteredPassword === savedPassword) {
        let delement = document.getElementById("pwbg");
        delement.remove();
    } else {
        document.write("");
        window.location.href = "https://goo.gle";
    }
}
if(localStorage.getItem("savedPassword") === null) {
    let delement = document.getElementById("pwbg")
    delement.remove()
}
function delpw() {
    localStorage.removeItem("savedPassword");
    alert("パスワードが無効化されました");
}
  




//Tab
var tabtitle = document.getElementById("pagename");
function opt(evt, tabName) {

    var i, tabcontent, tablinks;
    tabcontent = document.getElementsByClassName("tc");
    for (i = 0; i < tabcontent.length; i++) {
        tabcontent[i].style.display = "none";
    }
    tablinks = document.getElementsByClassName("tbl");
    for (i = 0; i < tablinks.length; i++) {
        tablinks[i].cla; ssName = tablinks[i].className.replace(" active", "");
    }
    tabtitle.innerHTML = tabName;
    document.getElementById(tabName).style.display = "block";
    document.getElementById("title").style.display = "none";
    evt.currentTarget.className += " active";
}
opt(event, 'Home');