// DataStoreCounter.cs
// A persistent, world-wide click counter backed by the script DATA STORE (SaveData / LoadData). The total survives
// world restarts and platform rebuilds, because it lives in the server's database, not in the scene file.
//
// How it works:
//   * On Start the script LOADS the saved total from the data store and shows it on an overlay panel.
//   * Every time any player clicks the object (or ClickTarget), the total goes up for everyone and is SAVED again.
//   * The storage key is prefixed with a [Secret] string so the key never ships to any player's browser and another
//     creator can't guess it to read or overwrite your data. (Not a hard security boundary — just keeps keys hidden.)
//
// Set DataKey to any unique string of your own in the Inspector (it is a [Secret] field, so it is stored server-side
// only). Everything the script stores is keyed under it.
using IHXR.Simulation;

public class DataStoreCounter : ScriptBase
{
    [Header("Storage")]
    [Secret]
    [Tooltip("A unique, private prefix for this counter's data. Stored server-side only (never downloaded by players).")]
    public string DataKey = "my-world-counter-v1";

    [Header("What players click")]
    [Tooltip("The object players click to add one. Empty = the object this script is on.")]
    public SceneObject ClickTarget;
    public string ClickHint = "Add one";
    [Tooltip("How much each click adds.")]
    public int Step = 1;

    [Header("On-screen counter")]
    public string Label = "Clicks";
    public TextureItem Icon;

    ScriptPanel panel;
    PanelItem counter;
    int total;
    bool loaded;

    // The full key everything is stored under (your secret prefix keeps it unique and hidden).
    string TotalKey => DataKey + ":total";

    public override void Start()
    {
        panel = CreatePanel("datastore-counter", 260);
        panel.SetMode(PanelMode.Overlay)
             .SetScreenPosition(70f, 6f, PanelAnchor.TopCenter)
             .SetBackgroundColor(Color.clear)
             .SetClosable(false)
             .SetLayout(1, 4, 8, PanelAlign.Center)
             .SetFont(PanelFont.Heavy, 30);
        counter = panel.AddCounter(Text(), Icon);
        panel.ShowToEveryone();

        // Load the saved total from the data store (async: the callback runs when the DB replies).
        LoadInt(TotalKey, 0, value =>
        {
            total = value;
            loaded = true;
            counter.SetText(Text());
            Log("[DataStoreCounter] loaded total = " + total);
        });

        // Any player clicking adds to the shared total (the callback runs once, on the server).
        if (ClickTarget != null && !ClickTarget.IsNull)
            MakeInteractable(ClickTarget, click => Add(), true, null, true, 12f, ClickHint);
        else
            MakeInteractable(click => Add(), true, null, true, 12f, ClickHint);
    }

    void Add()
    {
        if (!loaded) return;                 // wait until the saved value is in, so we don't overwrite it with 0
        total += Step;
        counter.SetText(Text());             // update everyone's screen now

        // Persist the new total. onDone(true) means it was written to the database.
        SaveData(TotalKey, total, ok =>
        {
            if (!ok) LogWarning("[DataStoreCounter] could not save the total (is the data store reachable?).");
        });
    }

    string Text() => Label + ": " + total;
}