// QuestItem.cs
// Click this object, or pick it up if it is Grabbable, to count towards a quest task that is "Done by a script"
// (Windows -> Quests), e.g. collect 5 coins. It only counts while the player is doing that task, once per player.
// (Tasks of the kind "Click or pick up objects" need no script at all: pick the objects in the Quests window.)
using IHXR.Simulation;

public class QuestItem : ScriptBase
{
    [Tooltip("The quest's title (or id).")]
    public string Quest = "";
    [Tooltip("The task's title (or id).")]
    public string Task = "";
    [Tooltip("How much it adds.")]
    public int Amount = 1;
    [Tooltip("Hide it for that player once clicked (not when picked up).")]
    public bool HideWhenCollected = true;
    public string ClickHint = "Pick up";

    private readonly HashSet<string> collected = new();

    public override void Start()
    {
        MakeInteractable(click => Collect(click.Username, HideWhenCollected), true, null, true, 10f, ClickHint);
        ListenForGrab(grab => { if (grab.IsGrabbed) Collect(grab.Username, false); });
        // The player reset their quests: they can collect it again.
        ListenForQuest(Quest, quest =>
        {
            if (quest.EventType != QuestEventType.Reset || !collected.Remove(quest.Username))
                return;
            if (HideWhenCollected)
                SetObjectVisible(true, quest.Username);
        });
    }

    private void Collect(string user, bool hide)
    {
        QuestTaskInfo task = GetQuest(user, Quest)?.GetTask(Task);
        if (task == null || !task.IsActive || collected.Contains(user))
            return;   // not on this task right now, or already collected
        collected.Add(user);
        AddQuestProgress(user, Quest, Task, Amount);
        if (hide)
            SetObjectVisible(false, user);
    }
}