(()=>{
    let tmp = new Date();
    const NOW = tmp.getTime();
    tmp.setHours(0);
    tmp.setMinutes(0);
    tmp.setSeconds(0);
    let today = tmp.getTime();
    if (tmp.getDay() === 0)
        tmp.setDate(tmp.getDate() -7);
    if (tmp.getDay() !== 1)
        tmp.setDate(tmp.getDate()-tmp.getDay() +1);
    const ONE_WEEK = tmp.getTime();
    tmp.setTime(today);
    tmp.setDate(1);
    const ONE_MONTH = tmp.getTime();
    const relSource = document.getElementById("relSource");

    /* INIT DROPDOWN */ (() => {
        let frag = document.createDocumentFragment();
        let origins = ACCESS.reduce((acc, i) => { acc[i.publicId] = true; return acc; }, {});
        for (let i of ORIGINS) origins[i] = true;
        for (let i of (["All"].concat(Object.keys(origins).sort())).map(i => {
            let node = document.createElement("option");
            node.textContent = i;
            return node;
        }))
            frag.appendChild(i);
        relSource.appendChild(frag);
    })();

    function formatDate(d) {
        if (!d || isNaN(d.getTime()))
            return "";
        return d.toLocaleDateString() + " " + d.toLocaleTimeString();
    }

    function prependDomain(xmlElement) {
        xmlElement.textContent = document.location.origin + xmlElement.textContent;
    }

    function generateQrCode(size, rel) {
        if (rel)
            rel = "&rel="+encodeURIComponent(rel);
        return "/" +PUBLIC_ID +"/qrcode.png?origin="+encodeURIComponent(document.location.origin)+'&s='+size +(rel || "");
    }

    let HASH_CHANGING = false;

    function selectSource(source) {
        let _access = source === "All" ? ACCESS : ACCESS.filter(i => i.publicId === source);
        let lastAccess = _access.reduce((prev, i) => (prev && prev.accessTime > i.accessTime) ? prev : i, null);
        document.getElementById('totalAccessCount').textContent = _access.length;
        document.getElementById('weekAccess').textContent = _access.reduce((acc, i) => acc + (i.accessTime >= ONE_WEEK ? 1 : 0), 0);
        document.getElementById('monthAccess').textContent = _access.reduce((acc, i) => acc + (i.accessTime >= ONE_MONTH ? 1 : 0), 0);
        document.getElementById('lastAccess').textContent = formatDate(new Date(lastAccess?.accessTime));
        document.getElementById("publicLinkQr").innerHTML = "<img src='" +generateQrCode(150, !source || source === "All" ? null : source) +"'/>";
        document.getElementById("publicLinkQrBig").href = generateQrCode(1024, !source || source === "All" ? null : source);
        const linkEnd = PUBLIC_ID + (!source || source === "All" ? "" : ("?r=" +source));
        document.getElementById("publicLink").textContent = document.location.origin + "/x/" + linkEnd;
        document.getElementById("embedLink").textContent = document.location.origin + "/x/raw/" + linkEnd;
        document.getElementById("publicLinkA").href = "/x/" +linkEnd;
        document.getElementById("embedLinkA").href = "/x/raw/" +linkEnd;
        HASH_CHANGING = true;
        document.location.hash = encodeURIComponent(source);
        HASH_CHANGING = false;
    }

    function updateSource() {
        const selected = relSource.selectedOptions?.[0]?.textContent;
        selectSource(selected || selected === '' ? selected : "All");
    }
    function hashChanged() {
        if (HASH_CHANGING) return;
        if (document.location.hash) {
            const hash = (decodeURIComponent(document.location.hash.substring(1)));
            selectSource(hash);
            for (let i =0; i < relSource.children.length; ++i) {
                if (relSource.children[i].textContent === hash) {
                    relSource.selectedIndex = i;
                    break;
                }
            }
        } else {
            updateSource();
        }
    }
    hashChanged();

    addEventListener("hashchange", hashChanged);
    relSource.addEventListener("change", () => updateSource());
    document.getElementById("size").textContent = FILE_SIZE +'o';
    document.getElementById("creationTime").textContent = formatDate(new Date(CREATION_TIME));
    document.getElementById("expiralTime").textContent = formatDate(new Date(EXPIRAL_TIME));
})();