const boxPanel = document.querySelector(".box-panel[data-box-id]");
const boxStatus = document.querySelector(".box-statusbar span:first-child");
const zipOnly = boxPanel && boxPanel.dataset.zipOnly === "true";

document.querySelectorAll('.box-file[aria-disabled="true"]').forEach((item) => {
    item.addEventListener("click", (event) => {
        if (item.getAttribute("aria-disabled") === "true") {
            event.preventDefault();
        }
    });
});

function updateBoxFile(file) {
    const item = document.querySelector(`.box-file[data-file-id="${file.id}"]`);
    if (!item) {
        return;
    }

    const meta = item.querySelector(".box-file-meta");
    const icon = item.querySelector(".box-file-icon");
    const isComplete = file.status === "complete";
    const isFailed = file.status === "failed";

    item.classList.toggle("is-complete", isComplete);
    item.classList.toggle("is-failed", isFailed);
    item.classList.toggle("is-loading", !isComplete && !isFailed);
    item.classList.toggle("has-thumbnail", Boolean(file.thumbnail_path));
    item.dataset.status = file.status;
    item.title = file.title;

    if (isComplete && !zipOnly) {
        item.href = file.download_path;
        item.setAttribute("download", "");
        item.removeAttribute("aria-disabled");
    } else {
        item.href = "#";
        item.removeAttribute("download");
        item.setAttribute("aria-disabled", "true");
    }

    if (meta) {
        meta.textContent = `${file.status_label} · ${file.size_label}`;
    }

    if (icon) {
        icon.src = file.thumbnail_path || file.icon_path;
    }
}

async function refreshBoxStatus() {
    if (!boxPanel) {
        return false;
    }

    const boxID = boxPanel.dataset.boxId;
    const response = await fetch(`/box/${boxID}/status`);
    if (!response.ok) {
        return true;
    }

    const result = await response.json();
    result.files.forEach(updateBoxFile);

    if (boxStatus) {
        const completeCount = result.files.filter((file) => file.status === "complete").length;
        boxStatus.textContent = `${completeCount}/${result.files.length} ready`;
    }

    return result.files.some((file) => {
        const isUploading = file.status === "pending" || file.status === "uploading";
        const isWaitingForThumbnail = file.status === "complete" && !file.thumbnail_status && !file.thumbnail_path;
        return isUploading || isWaitingForThumbnail || file.thumbnail_status === "processing";
    });
}

if (boxPanel) {
    const pollMS = Number.parseInt(boxPanel.dataset.pollMs, 10) || 5000;
    const timer = setInterval(async () => {
        try {
            const hasLoadingFiles = await refreshBoxStatus();
            if (!hasLoadingFiles) {
                clearInterval(timer);
            }
        } catch (error) {
            // Keep polling through temporary network/server hiccups; otherwise
            // an in-progress file can appear stuck forever after one bad poll.
        }
    }, pollMS);
}