#ifndef GAME_RENDER_H
#define GAME_RENDER_H

#include <nds.h>

#include "game_state.h"

struct HudCache {
    int score = -1;
    bool cursed = false;
    bool paused = false;
    bool gameOver = false;
    bool musicEnabled = false;
    bool hardMode = false;
    bool dirty = true;
};

struct BackgroundContext;

struct RenderAssets {
    PrintConsole *topScreen = nullptr;
    PrintConsole *bottomScreen = nullptr;
    BackgroundContext *bg_context = nullptr;

    u16 *gfx_segment = nullptr;
    u16 *gfx_segment_small = nullptr;
    u16 *gfx_head_h = nullptr;
    u16 *gfx_head_v = nullptr;
    u16 *gfx_apple = nullptr;
    u16 *gfx_apple_blink = nullptr;
    u16 *gfx_tail_h[2] = {nullptr, nullptr};
    u16 *gfx_tail_v[2] = {nullptr, nullptr};
    u16 *gfx_apple_rotten = nullptr;
    u16 *gfx_apple_cursed = nullptr;
    u16 *gfx_barrier = nullptr;      // Solid, fatal barrier segment
    u16 *gfx_barrier_warn = nullptr; // Dashed outline shown while announcing

    HudCache hudCache;
};

void invalidate_hud(RenderAssets &assets);
void draw_game(const GameState &state, const RenderAssets &assets);
void draw_stats(const GameState &state, RenderAssets &assets, bool internals, bool musicEnabled, uint8_t frame);
void draw_menu(const GameState &state, RenderAssets &assets, bool musicEnabled);
void draw_game_over_screen(const GameState &state);
void blink_apples(const GameState &state, u16 *gfx_apple);
// Called every VBlank: owns OAM slots [0, BARRIER_OAM_SLOTS) and animates barrier palette entries
void draw_barriers(const GameState &state, const RenderAssets &assets, uint8_t frame);

#endif