const cards = {};

/******************************************************************************/
cards.albums = {};

cards.albums.drag_start =
function drag_start(event)
{
    const album_card = event.target.closest(".album_card");
    event.dataTransfer.setData("text/plain", album_card.id);
}

cards.albums.drag_end =
function drag_end(event)
{
}

cards.albums.drag_over =
function drag_over(event)
{
    event.preventDefault();
}

cards.albums.drag_drop =
function drag_drop(event)
{
    const child = document.getElementById(event.dataTransfer.getData("text"));
    const child_id = child.dataset.id;
    const parent = event.currentTarget;
    const parent_id = parent.dataset.id;
    event.dataTransfer.clearData();

    if (child_id == parent_id)
    {
        return;
    }

    let prompt;
    if (parent_id === "root")
    {
        const child_title = child.querySelector('.album_card_title').textContent.trim();
        prompt = `Remove child\n${child_title}?`;
    }
    else
    {
        const child_title = child.querySelector('.album_card_title').textContent.trim();
        const parent_title = parent.querySelector('.album_card_title').textContent.trim();
        prompt = `Move\n${child_title}\ninto\n${parent_title}?`;
    }

    if (! confirm(prompt))
    {
        return;
    }

    if (parent_id === "root")
    {
        api.albums.remove_child(ALBUM_ID, child_id, common.refresh_or_alert);
    }
    else if (ALBUM_ID)
    {
        api.albums.add_child(parent_id, child_id, null);
        api.albums.remove_child(ALBUM_ID, child_id, common.refresh_or_alert);
    }
    else
    {
        api.albums.add_child(parent_id, child_id, common.refresh_or_alert);
    }
}

/******************************************************************************/
cards.bookmarks = {};

cards.bookmarks.create =
function create(bookmark, add_delete_button)
{
    const bookmark_card = document.createElement("div");
    bookmark_card.className = "bookmark_card"
    bookmark_card.dataset.id = bookmark.id;

    const bookmark_title = document.createElement("a");
    bookmark_title.className = "bookmark_title";
    bookmark_title.href = bookmark.url;
    bookmark_title.innerText = bookmark.display_name;
    bookmark_card.appendChild(bookmark_title);

    const bookmark_url = document.createElement("a");
    bookmark_url.className = "bookmark_url";
    bookmark_url.href = bookmark.url;
    bookmark_url.innerText = bookmark.url;
    bookmark_card.appendChild(bookmark_url);

    const bookmark_toolbox = document.createElement("div");
    bookmark_toolbox.className = "bookmark_toolbox"
    bookmark_card.appendChild(bookmark_toolbox);

    if (add_delete_button)
    {
        const delete_button = document.createElement("button");
        delete_button.className = "red_button button_with_confirm";
        delete_button.dataset.onclick = "return delete_bookmark_form(event);";
        delete_button.dataset.prompt = "Delete Bookmark?";
        delete_button.dataset.cancelClass = "gray_button";
        delete_button.innerText = "Delete";
        bookmark_toolbox.appendChild(delete_button);
        common.init_button_with_confirm(delete_button);
    }
    return bookmark_card;
}

/******************************************************************************/
cards.photos = {};

cards.photos.drag_start =
function drag_start(event)
{
}

cards.photos.drag_end =
function drag_end(event)
{
}

cards.photos.drag_over =
function drag_over(event)
{
}

cards.photos.drag_drop =
function drag_drop(event)
{
}

cards.photos.show_tools =
function show_tools(event)
{
    event.stopPropagation();
    event.preventDefault();
    const photo_card = event.target.closest(".photo_card");
    const toolbox = photo_card.getElementsByClassName("photo_card_tools")[0];
    if (toolbox.childElementCount === 0)
    {
        return;
    }
    contextmenus.show_menu(event, toolbox);
    return false;
}

/******************************************************************************/
cards.tags = {};