#pragma once
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <d3d11.h>
#include <atomic>
#include <mutex>
#include <cstring>
#include "input_queue.h"

struct PopoutWindow {
    HWND                    hwnd        = nullptr;
    HWND                    contentHwnd = nullptr;  // D3D11 swapchain target
    IDXGISwapChain*         swapChain   = nullptr;
    ID3D11RenderTargetView* rtv         = nullptr;

    // Message-pump thread that owns hwnd. Kept open for the window's lifetime so
    // DestroyPopoutWindow can join it before freeing this struct (the pump thread
    // touches `this` while processing WM_DESTROY).
    HANDLE                  pumpThread  = nullptr;

    // Swapchain dimensions — content area only (no status bar gap any more;
    // the ImGui toolbar is an overlay rendered into the same swapchain).
    std::atomic<int>  width  {800};
    std::atomic<int>  height {600};

    // Texture + UV rect written by RRPOPOUT_SetFrameTexture on the main thread,
    // read by Renderer_Present on the render thread.
    std::atomic<void*> pendingTexture {nullptr};
    std::atomic<float> srcU0 {0.f}, srcV0 {0.f};
    std::atomic<float> srcU1 {1.f}, srcV1 {1.f};

    std::atomic<bool> resizing         {false};
    std::atomic<bool> destroyRequested {false};
    std::atomic<bool> alive            {true};

    InputQueue inputQueue;

    // -----------------------------------------------------------------------
    // ImGui input state
    // Written by the Win32 message pump thread; consumed by the render thread.
    // -----------------------------------------------------------------------
    std::atomic<float> imMouseX    {-1.f};
    std::atomic<float> imMouseY    {-1.f};
    std::atomic<bool>  imLButton   {false};
    std::atomic<bool>  imRButton   {false};
    // Wheel accumulator in raw WHEEL_DELTA units (120 per notch).
    // fetch_add on message pump; exchange(0) on render thread.
    std::atomic<int>   imWheelRaw  {0};
    // Written by render thread after each ImGui frame.
    // When true, PollInputEvents suppresses mouse events so they don't reach Unity.
    std::atomic<bool>  imWantMouse {false};

    // -----------------------------------------------------------------------
    // Status bar label (UTF-8), shown in the ImGui toolbar.
    // Written by RRPOPOUT_SetStatusText (main thread), read by render thread.
    // -----------------------------------------------------------------------
    char       imStatusText[256];
    std::mutex imStatusMutex;

    // -----------------------------------------------------------------------
    // Dynamic menu lists (UTF-8 labels), set by RRPOPOUT_SetLocoList /
    // RRPOPOUT_SetLocationList from the C# side every few seconds.
    // Read by the render thread inside the ImGui settings menu.
    // -----------------------------------------------------------------------
    struct ImMenuItem { char label[128]; };
    std::vector<ImMenuItem> imLocoList;
    std::mutex               imLocoMutex;
    std::vector<ImMenuItem> imLocationList;
    std::mutex               imLocationMutex;

    // -----------------------------------------------------------------------
    // Map rotation + ME flag (C# → render thread via exports)
    // -----------------------------------------------------------------------
    std::atomic<float> imMapRotationDeg      {0.f};
    std::atomic<float> imMapZoom             {500.f};
    std::atomic<bool>  imMapSyncPlayer       {false};
    std::atomic<bool>  imMapEnhancerInstalled{false};
    std::atomic<bool>  imFollowPlayer        {false};
    std::atomic<bool>  imAlwaysOnTop         {false};

    // Loaded geometry from the save file — consumed by MessagePumpThread before CreateWindowExW.
    std::atomic<int>   lastWinX {-1}, lastWinY {-1};
    std::atomic<int>   lastWinW {900}, lastWinH {700};

    PopoutWindow() {
        // Status starts empty (filled live with zoom/coords). Avoids a default label
        // that would be redundant with the window title bar and would render any
        // non-ASCII glyph as '?' in ImGui's default font.
        imStatusText[0] = '\0';
    }
};