using UnityEngine;

namespace IdleSpectator;

/// <summary>
/// Outside-click dismiss for Lore + idle dossier. Always turns Idle Spectator off.
/// </summary>
public static class InspectUi
{
    /// <summary>True after a skull open until <see cref="DismissAll"/>.</summary>
    public static bool GraveSessionActive { get; private set; }

    public static void MarkGraveSession()
    {
        GraveSessionActive = true;
    }

    /// <summary>
    /// Close Lore / dossier pin, clear grave scope, and force Idle Spectator off.
    /// </summary>
    public static void DismissAll()
    {
        GraveSessionActive = false;
        // Outside dismiss must not auto-resume idle when Lore was opened via L.
        ChronicleHud.NotifyManualIdleToggle();

        if (SpectatorMode.Active)
        {
            SpectatorMode.SetActive(false, quiet: true);
        }

        ChronicleHud.ClearGraveStackScope();
        if (ChronicleHud.DetailUnitId != 0)
        {
            ChronicleHud.ClearUnitDetail();
        }

        if (ChronicleHud.Visible)
        {
            ChronicleHud.SetVisible(false);
        }

        WatchCaption.HideForDismiss();
    }

    public static void Update()
    {
        bool loreOpen = ChronicleHud.Visible;
        bool dossierOpen = WatchCaption.Visible;
        bool idleOn = SpectatorMode.Active;
        if (!loreOpen && !dossierOpen && !idleOn && !GraveSessionActive)
        {
            return;
        }

        if (!InputHelpers.GetMouseButtonDown(0))
        {
            return;
        }

        if (Time.unscaledTime < ChronicleHud.IgnoreDismissUntil)
        {
            return;
        }

        if (ChronicleHud.IsTypingSearch)
        {
            return;
        }

        if (ChronicleHud.IsPointerOverPanel() || WatchCaption.IsPointerOverPanel())
        {
            return;
        }

        // Skull click opens Lore this frame; leave the new session alone.
        if (IsClickingGraveSkull())
        {
            return;
        }

        DismissAll();
    }

    private static bool IsClickingGraveSkull()
    {
        if (!ModSettings.GravestonesEnabled || GraveMarkers.StackCount <= 0)
        {
            return false;
        }

        try
        {
            if (World.world != null && World.world.isOverUI())
            {
                return false;
            }

            WorldTile tile = World.world.getMouseTilePosCachedFrame() ?? World.world.getMouseTilePos();
            if (tile != null && GraveMarkers.TryGetStack(tile.x, tile.y, out _))
            {
                return true;
            }

            Vector2 mouse = World.world.getMousePos();
            return GraveMarkers.FindNearestStack(mouse, 1.35f) != null;
        }
        catch
        {
            return false;
        }
    }
}