#undef CINTERFACE

#include "iidx_sub.h"
#include "cfg/screen_resize.h"
#include "games/iidx/iidx.h"
#include "hooks/graphics/graphics.h"
#include "touch/touch.h"

namespace overlay::windows {

    IIDXSubScreen::IIDXSubScreen(SpiceOverlay *overlay) : GenericSubScreen(overlay) {
        this->title = "IIDX TDJ Subscreen";

        if (GRAPHICS_IIDX_WSUB) {
            this->disabled_message = "Close this overlay and use the second window. (try ALT+TAB)";
        } else if (games::iidx::IIDX_TDJ_MONITOR_WARNING) {
            this->disabled_message = "TDJ mode subscreen overlay is not compatible with -dxmainadapter option; use -mainmonitor instead";
        } else if (games::iidx::NATIVE_TOUCH) {
            this->disabled_message = "Overlay disabled by user (-iidxnativetouch option is on, used for real touch screens)";
        }

        float size = 0.5f;
        if (games::iidx::SUBSCREEN_OVERLAY_SIZE.has_value()) {
            if (games::iidx::SUBSCREEN_OVERLAY_SIZE.value() == "large") {
                size = 0.8f;
            } else if (games::iidx::SUBSCREEN_OVERLAY_SIZE.value() == "small") {
                size = 0.3f;
            } else if (games::iidx::SUBSCREEN_OVERLAY_SIZE.value() == "fullscreen") {
                GENERIC_SUB_WINDOW_FULLSIZE = true;
                this->draws_window = false;
            }
        }
        this->init_size = ImVec2(
            ImGui::GetIO().DisplaySize.x * size,
            (ImGui::GetIO().DisplaySize.x * size * 9 / 16) + ImGui::GetFrameHeight());

        this->size_max = ImVec2(
            ImGui::GetIO().DisplaySize.x - ImGui::GetFrameHeight() * 2,
            ImGui::GetIO().DisplaySize.y - ImGui::GetFrameHeight() * 2);

        // middle / bottom
        this->init_pos = ImVec2(
            ImGui::GetIO().DisplaySize.x / 2 - this->init_size.x / 2,
            ImGui::GetIO().DisplaySize.y - this->init_size.y - (ImGui::GetFrameHeight() / 2));
    }

    void IIDXSubScreen::check_for_errors() {
        if (games::iidx::CURRENT_IO_EMULATION_STATE ==
            games::iidx::iidx_aio_emulation_state::bi2a_com2) {

            // explicitly check if LDJ I/O is enabled (as opposed to checking if NOT TDJ I/O)
            // to account for the fact that I/O emulation may be disabled
            this->disabled_message =
                "LDJ I/O detected; TDJ mode subscreen overlay requires TDJ I/O.\n"
                "Ensure you apply applicable TDJ I/O patches, or run with TDJ DLL.";
        }
    }

    void IIDXSubScreen::touch_transform(const ImVec2 xy_in, LONG *x_out, LONG *y_out) {
        if (!this->get_active()) {
            return;
        }

        if (GRAPHICS_WINDOWED) {
            // Touch needs to be registered on global coords
            *x_out = SPICETOUCH_TOUCH_X + xy_in.x * SPICETOUCH_TOUCH_WIDTH;
            *y_out = SPICETOUCH_TOUCH_Y + xy_in.y * SPICETOUCH_TOUCH_HEIGHT;
        } else {
            // Fullscreen mode, scale to game coords
            *x_out = xy_in.x * ImGui::GetIO().DisplaySize.x;
            *y_out = xy_in.y * ImGui::GetIO().DisplaySize.y;
        }
    }
}