#ifndef SNAKE_H
#define SNAKE_H

#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>

#include "defaults.h"


typedef struct {
    unsigned char g;
    unsigned char r;
    unsigned char b;
} Color;


typedef enum {
    DIR_UP,
    DIR_DOWN,
    DIR_LEFT,
    DIR_RIGHT
} Direction;

typedef struct {
    int x;
    int y;
    Color color;
    Color color_old;
} SnakeTile;

typedef struct {
    SnakeTile nodes[MAX_SNAKE_LENGTH];
    int head_index;
    int tail_index;
    Direction direction;
    int length;
} Snake;

// Function declarations
void snake_Init(Snake* snake, int start_x, int start_y);
void snake_SetDirection(Snake* snake, Direction new_dir);
bool snake_Move(Snake* snake, bool is_next_step, uint64_t diff_max, uint64_t diff);
bool snake_IsColliding(Snake* snake);

void spawn_apple();

#endif // SNAKE_H