const userAgents = [
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Firefox/128.0",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Edg/120.0.0.0",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Edg/98.0.0.0",
    "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
    "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0"
];

function getRandomUserAgent() {
    const randomIndex = Math.floor(Math.random() * userAgents.length);
    return userAgents[randomIndex];
}

let currentUA = "" // We haven't loaded any websites yet. It should be blank.

let tabGroup = document.querySelector("tab-group");
function normalizeUrl(url) {
    // Define regex patterns for matching URL schemes and local addresses
    const httpPattern = /^http:\/\//i;
    const httpsPattern = /^https:\/\//i;
    const filePattern = /^file:\/\//i;
    const indexPattern = /^index\.html/i;
    const localPattern = /^(192\.168|127\.0|localhost)/i;

    // Check if the URL already has a valid scheme
    if (httpPattern.test(url) || httpsPattern.test(url) || filePattern.test(url) || indexPattern.test(url)) {
        return url;
    }

    // Determine if the URL starts with a local address or needs HTTPS
    if (localPattern.test(url)) {
        return `http://${url}`;
    } else {
        return `https://${url}`;
    }
}

let url = undefined
let browserFrame = undefined
function go() {
    currentUA = getRandomUserAgent()
    browserFrame = tabGroup.getActiveTab().webview
    let browser = tabGroup.getActiveTab()
    url = normalizeUrl(document.getElementById("txtUrl").value)
    if (url.includes("youtube.com") || url.includes("youtu.be")) {
    	url = url.replaceAll("youtube.com", "invidious.nerdvpn.de")
    	url = url.replaceAll("youtu.be", "invidious.nerdvpn.de")
    } else if (url.includes("google.com/search?q") || url.includes("google.com/?q")) {
        // Define the URL object
        const serachUrlObj = new URL(url);
        //Get query from old url
        const query = serachUrlObj.searchParams.get('q');
        // Define the pattern for URL replacement
        const searchPattern = "https://search.sparksammy.com/search.php?q=!!!QUERY!!!&p=0&t=0";
        url = searchPattern.replaceAll("!!!QUERY!!!", query)
    } else if (url.includes("https://news.google.com")) {
    	url = url.replaceAll("https://news.google.com", "http://68k.news")
    } else if (url.includes("google.com") && !url.includes("maps") && !url.includes("news") && !url.includes("webstore") && !url.includes("drive") && !url.includes("docs") && !url.includes("sheets") && !url.includes("slides") && !url.includes("mail") && !url.includes("webstore") && !url.includes("in") && !url.includes("on") && !url.includes("jp")) {
    	url = url.replaceAll("google.com", "search.sparksammy.com")
    }
    document.getElementById("txtUrl").value = ""
    browserFrame.loadURL(url, 
        {userAgent: currentUA});
    browserFrame.addEventListener('dom-ready', () => {
        browserFrame.insertCSS(`
        ::-webkit-scrollbar {
          display: none;
        }

        `)
    })
    browserFrame.addEventListener("page-title-updated", (titleEvent) => { 
        let title = browserFrame.getTitle()
        tabGroup.getActiveTab().setTitle(title)
        console.log(title)
    })
}

function stop() {
    let browserFrame = tabGroup.getActiveTab().webview
    browserFrame.stop()
}

function back() {
    let browserFrame = tabGroup.getActiveTab().webview
    browserFrame.goBack()
}

function forward() {
    let browserFrame = tabGroup.getActiveTab().webview
    browserFrame.goForward()
}

function refresh() {
    if (typeof url != undefined) {
        browserFrame.loadURL(browserFrame.getURL(), 
            {userAgent: currentUA});
    } else {
        window.location.reload()
    }
}

tabGroup.setDefaultTab({
    title: CONF.homepageTitle,
    src: CONF.homepage,
    active: true
});
tabGroup.addTab()

function clickPress(keyEvent) {
    if (keyEvent.keyCode == 13) {
        go()
    }
}