#pragma once

#include "cglm/types.h"
#include "freetype/freetype.h"
#include "hash.h"
#include "rendering.h"
#include "utils.h"

typedef u32 codepoint_t;

enum font_context_error_e {
  FONT_CONTEXT_ERROR_NONE,
  FONT_CONTEXT_ERROR_LIBRARY,
};

struct font_context_s {
  FT_Library library;
};

enum font_context_error_e wayc_font_context_init(struct font_context_s* ctx);
void wayc_font_context_deinit(struct font_context_s* ctx);

struct glyph_s {
  ivec2 uv0, uv1;

  i32 bearing_x, bearing_y;
  f32 advance;
};

enum font_error_e {
  FONT_ERROR_NONE,
  FONT_ERROR_FILE_LOAD,
  FONT_ERROR_FONT_LOAD,
  FONT_ERROR_NOT_MATCH,
  FONT_ERROR_ATLAS_FULL,
};

struct font_s {
  u8* data;
  FT_Face face;
  struct hashmap_s<codepoint_t, struct glyph_s> cache;
};

enum font_error_e wayc_font_init(struct font_s* font,
                                 struct font_context_s* ctx, u32 fsize,
                                 const char* path);
enum font_error_e wayc_font_lookup(struct font_s* font, struct atlas_s* atlas,
                                   struct atlas_packer_s* packer,
                                   codepoint_t codepoint, struct glyph_s* out);
void wayc_font_deinit(struct font_s* font);