#include "fennec_core.h"

namespace Fennec {
    static C3D_RenderTarget* topTarget;
    static C3D_RenderTarget* bottomTarget;
    static C3D_RenderTarget* currentTarget;
    
    static C2D_TextBuf staticTextBuf;

    void init() {
        gfxInitDefault();
        C3D_Init(C3D_DEFAULT_CMDBUF_SIZE);
        C2D_Init(C2D_DEFAULT_MAX_OBJECTS);
        C2D_Prepare();

        staticTextBuf = C2D_TextBufNew(4096);

        topTarget = C2D_CreateScreenTarget(GFX_TOP, GFX_LEFT);
        bottomTarget = C2D_CreateScreenTarget(GFX_BOTTOM, GFX_LEFT);

        currentTarget = topTarget;
    }

    void drawRect(float x, float y, float z, float w, float h, u32 color) {
        C2D_DrawRectSolid(x, y, 0.5f, w, h, color);
    }

    void drawText(float x, float y, std::string content, u32 color) {
        if (!staticTextBuf) return;
        C2D_Text textObj;
        C2D_TextParse(&textObj, staticTextBuf, content.c_str());
        C2D_TextOptimize(&textObj);
        C2D_DrawText(&textObj, C2D_WithColor, x, y, 0.5f, 0.1f, 0.1f, color);
    }

    void clearTextBuffer() {
        C2D_TextBufClear(staticTextBuf)
    }

    void exit() {
        C2D_TextBufDelete(staticTextBuf);
        C2D_Fini();
        C3D_Fini();
        gfxExit();
    }

    void beginFrame() {
        C3D_FrameBegin(C3D_FRAME_SYNCDRAW);
        C2D_TextBufClear(staticTextBuf);
    }

    void endFrame() {
        C3D_FrameEnd(0);
    }

    void selectScreen(gfxScreen_t screen) {
        currentTarget = (screen == GFX_TOP) ? topTarget : bottomTarget;
        C2D_SceneBegin(currentTarget);
    }

    u32 color(u8 r, u8 g, u8 b, u8 a) {
        return C2D_Color32(r, g, b, a);
    }
}