#pragma once
#include "stdint.h"
#include "stddef.h"

#ifdef __cplusplus
extern "C" {
#endif

// 32-bit ARGB Color Palette Helpers
#define FB_COLOR(r, g, b) (((uint32_t)(r) << 16) | ((uint32_t)(g) << 8) | (uint32_t)(b))
#define FB_BLACK       FB_COLOR(15, 17, 23)
#define FB_WHITE       FB_COLOR(240, 246, 252)
#define FB_DARK_GRAY   FB_COLOR(33, 38, 45)
#define FB_LIGHT_GRAY  FB_COLOR(139, 148, 158)
#define FB_BLUE        FB_COLOR(88, 166, 255)
#define FB_NAVY        FB_COLOR(22, 27, 34)
#define FB_GREEN       FB_COLOR(63, 185, 80)
#define FB_RED         FB_COLOR(248, 81, 73)
#define FB_ORANGE      FB_COLOR(210, 153, 34)
#define FB_PURPLE      FB_COLOR(188, 140, 255)
#define FB_CYAN        FB_COLOR(56, 189, 248)

typedef struct {
    uint32_t *buffer;
    uint32_t width;
    uint32_t height;
    uint32_t pitch;
    uint32_t bpp;
    int is_initialized;
} fb_context_t;

extern fb_context_t g_fb;

// Framebuffer API
int fb_init(void);
void fb_clear(uint32_t color);
void fb_draw_pixel(int x, int y, uint32_t color);
void fb_fill_rect(int x, int y, int w, int h, uint32_t color);
void fb_draw_rect(int x, int y, int w, int h, uint32_t color);
void fb_draw_char(int x, int y, char c, uint32_t fg, uint32_t bg);
void fb_draw_string(int x, int y, const char *str, uint32_t fg, uint32_t bg);
void fb_draw_window(int x, int y, int w, int h, const char *title);
void fb_demo_desktop(void);

#ifdef __cplusplus
}
#endif