#include "WindowMessageDispatchHandlers.h"

#include "Platform/Win32/EditorWindow.h"
#include "WindowMessageHost.h"

namespace XCEngine::UI::Editor::Host {

namespace {

constexpr UINT kMessageNcUaDrawCaption = 0x00AEu;
constexpr UINT kMessageNcUaDrawFrame = 0x00AFu;

} // namespace

bool TryDispatchWindowChromeMessage(
    const WindowMessageDispatchContext& context,
    UINT message,
    WPARAM wParam,
    LPARAM lParam,
    LRESULT& outResult) {
    switch (message) {
    case WM_GETMINMAXINFO:
        if (context.window.IsBorderlessWindowEnabled() &&
            context.window.HandleBorderlessWindowGetMinMaxInfo(lParam)) {
            outResult = 0;
            return true;
        }
        return false;
    case WM_NCCALCSIZE:
        if (context.window.IsBorderlessWindowEnabled()) {
            outResult = context.window.HandleBorderlessWindowNcCalcSize(wParam, lParam);
            return true;
        }
        return false;
    case WM_NCACTIVATE:
        if (context.window.IsBorderlessWindowEnabled()) {
            outResult = TRUE;
            return true;
        }
        return false;
    case WM_NCHITTEST:
        if (context.window.IsBorderlessWindowEnabled()) {
            outResult = HTCLIENT;
            return true;
        }
        return false;
    case WM_NCPAINT:
    case kMessageNcUaDrawCaption:
    case kMessageNcUaDrawFrame:
        if (context.window.IsBorderlessWindowEnabled()) {
            outResult = 0;
            return true;
        }
        return false;
    case WM_SYSCOMMAND:
        if (context.window.HandleBorderlessWindowSystemCommand(
                context.windowHost.GetEditorContext(),
                context.windowHost.IsGlobalTabDragActive(),
                wParam)) {
            outResult = 0;
            return true;
        }
        return false;
    case WM_SETCURSOR:
        if (LOWORD(lParam) == HTCLIENT && context.window.ApplyCurrentCursor()) {
            outResult = TRUE;
            return true;
        }
        return false;
    default:
        return false;
    }
}

} // namespace XCEngine::UI::Editor::Host