$(() => {

var windowDisplayed = false;
var data = null;

const GRANT_TEXT = ["None", "Read Access", "Write Access", "Read Access (Strip meta)"];
const GRANT_ICON = ["", "bi-eye", "bi-pencil", "bi-eye-slash"];
const ACCESS_ICON = ["bi-question-lg", "bi-database", "bi-envelope-at", "bi-link-45deg", "bi-people"];
const TYPE_ICON = ["bi-question-lg", "bi-diagram-2", "bi-tags", "bi-braces-asterisk", "bi-images", "bi-gear"];
const TYPE_TEXT = ["Unknown", "Single photo", "Tags", "Meta", "Everything", "Admin access"];

class ShareData {
    dbId = 0;
    typeId = "";
    typeData = "";
    accessToId = 0;
    accessToData = "";
    grant = 0;

    constructor(data) {
        this.dbId = data.id;
        this.typeId = [ "unknown", "ldapAccount", "email", "link", "every one" ].indexOf(data.type);
        this.typeData = data.typeData;
        this.accessToId = [ "unknown", "item", "tag", "meta", "everything", "admin"].indexOf(data.accessTo);
        this.accessToData = data.accessToData;
        this.grant = [ "none", "read", "write", "read without meta"].indexOf(data.grant);
    }

    objectify() {
        return {
            id: this.dbId,
            type: [ "unknown", "ldapAccount", "email", "link", "every one" ][this.typeId],
            typeData: this.typeData,
            accessTo: [ "unknown", "item", "tag", "meta", "everything", "admin"][this.accessToId],
            accessToData: this.accessToData,
            grant: [ "none", "read", "write", "read without meta"][this.grant]
        };
    }

    compare(b) {
        if (this.typeId != b.typeId) return b.typeId - this.typeId;
        if (this.accessToId != b.accessToId) return b.accessToId - this.accessToId;
        if (this.grant != b.grant) return b.grant - this.grant;
        return 0;
    }
}

function getData() {
    return new Promise((ok) => {
        if (data)
            return ok(data);
        $.get("/api/accessAdmin/list", {}, okData => {
            data = (okData || []).map(x => new ShareData(x)).sort((a, b) => a.compare(b));
            ok(data);
        });
    });
}

function updateData(data) {
    return new Promise(ok => {
        $.ajax({
            url: `/api/accessAdmin/${data.dbId}`,
            type: "POST",
            data: data,
            success: allData => {
                ok(true);
            },
            error: err => ok(false),
        });
    });
}

function revokeData(dbId) {
    return new Promise(ok => {
        $.ajax({
            url: `/api/accessAdmin/${dbId}`,
            type: "DELETE",
            success: allData => {
                ok(true);
            },
            error: err => ok(false),
        });
    });
}

async function buildTypeDepandentDiv(htmlElement, data) {
    htmlElement.textContent = "";
    let input = document.createElement("input");
    input.type = "text";
    if (data.accessToId === 1) {
        input.value = data.accessToData;
        htmlElement.appendChild(input);
        let span = document.createElement("span");
        span.textContent = " (" +((await MediaStorage.Instance.getMedia(data.accessToData))?.fileName || "File not found") + ")";
        htmlElement.appendChild(span);
        input.addEventListener("change", async () => {
            span.textContent = " (" +((await MediaStorage.Instance.getMedia(input.value))?.fileName || "File not found") + ")";
        });
    }
    else if (data.accessToId === 2) {
        input.value = data.accessToData;
        htmlElement.appendChild(input);
    }
    else if (data.accessToId === 3) {
        input.value = data.accessToData;
        htmlElement.appendChild(input);
    }
    if (htmlElement.children.length) {
        input.addEventListener("change", async () => {
            data.accessToData = input.value;
            await updateData(data);
        });
    }
}

async function buildShareItem(data) {
    const htmlId = `collapseShareItem${data.dbId}`;
    let container = document.createElement("li");
    container.className = "accordion-item";
    let header = document.createElement("h2");
    header.className = "accordion-header";
    let headerButton = document.createElement("button");
    headerButton.className = `accordion-button bi ${ACCESS_ICON[data.typeId]}`;
    headerButton.type = "button";
    headerButton.dataset.bsToggle = "collapse";
    headerButton.dataset.bsTarget = `#${htmlId}`;
    headerButton.textContent = data.typeData;
    headerButton.ariaExpanded = false;
    headerButton.ariaControls = htmlId;
    let accordionBodyContainer = document.createElement("div");
    accordionBodyContainer.className = "accordion-collapse collapse";
    accordionBodyContainer.dataset.bsParent = "#pch-share-container";
    accordionBodyContainer.id = htmlId;
    let accordionBody = document.createElement("div");
    accordionBody.className = "accordion-body";
    let typeDivRow = document.createElement("div");
    typeDivRow.className = "row";
    let typeDepandentDiv = document.createElement("div");
    let grantDiv = document.createElement("div");

    {
        let typeDiv = document.createElement("div");
        typeDiv.className = "dropdown";
        typeDiv.id = `pch-share-${data.dbId}-typeDropdown`
        let button = document.createElement("button");
        button.className = "btn btn-secondary dropdown-toggle bi";
        button.classList.add(TYPE_ICON[data.accessToId]);
        button.textContent = TYPE_TEXT[data.accessToId];
        button.type = "button";
        button.setAttribute("data-bs-toggle", "dropdown");
        button.setAttribute("aria-expanded", false);
        button.id = `${typeDiv.id}-button`;
        let dropdownMenu = document.createElement("ul");
        dropdownMenu.className = "dropdown-menu";

        for (let i =1; i <= TYPE_TEXT.length; ++i) {
            let li = document.createElement("li");
            let a = document.createElement("a");
            a.className = "dropdown-item bi";
            if (i === data.accessToId)
                a.classList.add("active");
            a.href="#";
            a.classList.add(TYPE_ICON[i]);
            a.textContent = TYPE_TEXT[i];
            a.addEventListener("click", async () => {
                let dbData = await getData();
                let dataIdx = dbData.findIndex(item => item.dbId === data.dbId);
                if (dataIdx === -1 || dbData[dataIdx].accessToId === i)
                    return;
                dbData[dataIdx].accessToId = i;
                button.className = "btn btn-secondary dropdown-toggle bi";
                button.textContent = TYPE_TEXT[data.accessToId];
                button.classList.add(TYPE_ICON[data.accessToId]);
                button.setAttribute("aria-expanded", false);
                dropdownMenu.classList.remove("show");
                dropdownMenu.querySelectorAll(".active").forEach(i => i.classList.remove("active"));
                a.classList.add("active");
                if (dbData[dataIdx].accessToId === 5)
                    grantDiv.classList.add("hidden");
                else
                    grantDiv.classList.remove("hidden");
                await buildTypeDepandentDiv(typeDepandentDiv, dbData[dataIdx]);
                await updateData(dbData[dataIdx]);
            });
            li.appendChild(a);
            dropdownMenu.appendChild(li);
        }

        typeDiv.appendChild(button);
        typeDiv.appendChild(dropdownMenu);
        typeDivRow.appendChild(typeDiv);
        await buildTypeDepandentDiv(typeDepandentDiv, data);
        typeDivRow.appendChild(typeDepandentDiv);
    }

    grantDiv.className = "dropdown";
    if (data.accessToId === 5)
        grantDiv.classList.add("hidden");
    grantDiv.id = `pch-share-${data.dbId}-grantDropdown`;
    let button = document.createElement("button");
    button.className = "btn btn-secondary dropdown-toggle bi";
    button.type = "button";
    button.setAttribute("data-bs-toggle", "dropdown");
    button.setAttribute("aria-expanded", false);
    button.id = `${grantDiv.id}-button`;
    button.textContent = GRANT_TEXT[data.grant];
    button.classList.add(GRANT_ICON[data.grant]);
    let dropdownMenu = document.createElement("ul");
    dropdownMenu.className = "dropdown-menu";
    for (let i =1; i <= GRANT_TEXT.length; ++i) {
        let li = document.createElement("li");
        let a = document.createElement("a");
        a.className = "dropdown-item bi";
        if (i === data.grant)
            a.classList.add("active");
        a.href="#";
        a.classList.add(GRANT_ICON[i]);
        a.textContent = GRANT_TEXT[i];
        a.addEventListener("click", async () => {
            let dbData = await getData();
            let dataIdx = dbData.findIndex(item => item.dbId === data.dbId);
            if (dataIdx === -1 || dbData[dataIdx].grant === i)
                return;
            dbData[dataIdx].grant = i;
            button.className = "btn btn-secondary dropdown-toggle bi";
            button.textContent = GRANT_TEXT[data.grant];
            button.classList.add(GRANT_ICON[data.grant]);
            button.setAttribute("aria-expanded", false);
            dropdownMenu.classList.remove("show");
            dropdownMenu.querySelectorAll(".active").forEach(i => i.classList.remove("active"));
            a.classList.add("active");
            await updateData(dbData[dataIdx]);
        });
        li.appendChild(a);
        dropdownMenu.appendChild(li);
    }
    grantDiv.appendChild(button);
    grantDiv.appendChild(dropdownMenu);
    typeDivRow.appendChild(grantDiv);

    let deleteButtonRow = document.createElement("div");
    let deleteButtonDiv = document.createElement("div");
    let deleteButton = document.createElement("button");
    deleteButtonRow.className = "row";
    deleteButtonDiv.className = "col align-self-end";
    deleteButton.className = "btn btn-danger";
    deleteButton.textContent = "Revoke";
    deleteButtonRow.appendChild(deleteButtonDiv);
    deleteButtonDiv.appendChild(deleteButton);
    deleteButton.addEventListener("click", async () => {
        revokeData(data.dbId).then(success => {
            if (success) {
                container.remove();
            }
        });
    });

    header.appendChild(headerButton);
    container.appendChild(header);
    accordionBody.appendChild(typeDivRow);
    accordionBody.appendChild(deleteButtonRow);
    accordionBodyContainer.appendChild(accordionBody);
    container.appendChild(accordionBodyContainer);
    return container;
}

async function buildShareItems(data) {
    let container = document.createElement("ul");
    for (let i of data)
        container.appendChild(await buildShareItem(i));
    return container;
}

window.showShareUi = async () => {
    if (windowDisplayed)
        return;
    document.getElementById("pch-share-wrapper").classList.remove("hidden");
    document.Title.pushTitle("Share");
    document.body.classList.add("overlay-visible");
    const data = await getData();
    document.getElementById('pch-share-loading').classList.add("hidden");
    const container = document.getElementById('pch-share-container');
    container.innerHTML = "";
    container.appendChild(await buildShareItems(data));
    windowDisplayed = true;
}

window.closeShareUi = () => {
    if (!windowDisplayed)
        return;
    document.getElementById("pch-share-wrapper").classList.add("hidden");
    document.body.classList.remove("overlay-visible");
    windowDisplayed = false;
    document.Title.pop();
}

document.onClosePopinRequested(() => { window.closeShareUi(); });
document.getElementById("pch-share-closeBt").addEventListener("click", window.closeShareUi);

document.getElementById("pch-share-addLdap").addEventListener("click", () => {});
document.getElementById("pch-share-addEmail").addEventListener("click", () => {});
document.getElementById("pch-share-addLink").addEventListener("click", () => {});
document.getElementById("pch-share-addEveryone").addEventListener("click", () => {});

setTimeout(() => LoadingTasks.push(window.showShareUi), 1500);
});