local Coeus = ...

local ffi = require("ffi")
local glfw
local glfw_lib

if (ffi.os == "Windows") then
	glfw_lib = ffi.load("glfw3")
else
	glfw_lib = ffi.load("libglfw.so.3.1")
end

glfw = {
	lib = glfw_lib,
	glfw = {},
	GLFW = {},

	import = function(self)
		rawset(_G, "glfw", self.glfw)
		rawset(_G, "GLFW", self.GLFW)

		return self
	end
}

setmetatable(glfw.glfw, {
	__index = function(self, index)
		self[index] = glfw_lib["glfw" .. index]
		return self[index]
	end
})

setmetatable(glfw.GLFW, {
	__index = function(self, index)
		self[index] = glfw_lib["GLFW_" .. index]
		return self[index]
	end
})

glfw.glfw.PollEvents = function()
	return glfw_lib.glfwPollEvents()
end
jit.off(glfw.glfw.PollEvents)

ffi.cdef[[
enum {
	GLFW_VERSION_MAJOR          =3,
	GLFW_VERSION_MINOR          =0,
	GLFW_VERSION_REVISION       =4,

	GLFW_RELEASE                =0,
	GLFW_PRESS                  =1,
	GLFW_REPEAT                 =2,
	GLFW_KEY_UNKNOWN            =-1,

	GLFW_KEY_SPACE              =32,
	GLFW_KEY_APOSTROPHE         =39  /* ' */,
	GLFW_KEY_COMMA              =44  /* , */,
	GLFW_KEY_MINUS              =45  /* - */,
	GLFW_KEY_PERIOD             =46  /* . */,
	GLFW_KEY_SLASH              =47  /* / */,
	GLFW_KEY_0                  =48,
	GLFW_KEY_1                  =49,
	GLFW_KEY_2                  =50,
	GLFW_KEY_3                  =51,
	GLFW_KEY_4                  =52,
	GLFW_KEY_5                  =53,
	GLFW_KEY_6                  =54,
	GLFW_KEY_7                  =55,
	GLFW_KEY_8                  =56,
	GLFW_KEY_9                  =57,
	GLFW_KEY_SEMICOLON          =59  /* ; */,
	GLFW_KEY_EQUAL              =61  /* = */,
	GLFW_KEY_A                  =65,
	GLFW_KEY_B                  =66,
	GLFW_KEY_C                  =67,
	GLFW_KEY_D                  =68,
	GLFW_KEY_E                  =69,
	GLFW_KEY_F                  =70,
	GLFW_KEY_G                  =71,
	GLFW_KEY_H                  =72,
	GLFW_KEY_I                  =73,
	GLFW_KEY_J                  =74,
	GLFW_KEY_K                  =75,
	GLFW_KEY_L                  =76,
	GLFW_KEY_M                  =77,
	GLFW_KEY_N                  =78,
	GLFW_KEY_O                  =79,
	GLFW_KEY_P                  =80,
	GLFW_KEY_Q                  =81,
	GLFW_KEY_R                  =82,
	GLFW_KEY_S                  =83,
	GLFW_KEY_T                  =84,
	GLFW_KEY_U                  =85,
	GLFW_KEY_V                  =86,
	GLFW_KEY_W                  =87,
	GLFW_KEY_X                  =88,
	GLFW_KEY_Y                  =89,
	GLFW_KEY_Z                  =90,
	GLFW_KEY_LEFT_BRACKET       =91  /* [ */,
	GLFW_KEY_BACKSLASH          =92  /* \ */,
	GLFW_KEY_RIGHT_BRACKET      =93  /* ] */,
	GLFW_KEY_GRAVE_ACCENT       =96  /* ` */,
	GLFW_KEY_WORLD_1            =161 /* non-US #1 */,
	GLFW_KEY_WORLD_2            =162 /* non-US #2 */,

	GLFW_KEY_ESCAPE             =256,
	GLFW_KEY_ENTER              =257,
	GLFW_KEY_TAB                =258,
	GLFW_KEY_BACKSPACE          =259,
	GLFW_KEY_INSERT             =260,
	GLFW_KEY_DELETE             =261,
	GLFW_KEY_RIGHT              =262,
	GLFW_KEY_LEFT               =263,
	GLFW_KEY_DOWN               =264,
	GLFW_KEY_UP                 =265,
	GLFW_KEY_PAGE_UP            =266,
	GLFW_KEY_PAGE_DOWN          =267,
	GLFW_KEY_HOME               =268,
	GLFW_KEY_END                =269,
	GLFW_KEY_CAPS_LOCK          =280,
	GLFW_KEY_SCROLL_LOCK        =281,
	GLFW_KEY_NUM_LOCK           =282,
	GLFW_KEY_PRINT_SCREEN       =283,
	GLFW_KEY_PAUSE              =284,
	GLFW_KEY_F1                 =290,
	GLFW_KEY_F2                 =291,
	GLFW_KEY_F3                 =292,
	GLFW_KEY_F4                 =293,
	GLFW_KEY_F5                 =294,
	GLFW_KEY_F6                 =295,
	GLFW_KEY_F7                 =296,
	GLFW_KEY_F8                 =297,
	GLFW_KEY_F9                 =298,
	GLFW_KEY_F10                =299,
	GLFW_KEY_F11                =300,
	GLFW_KEY_F12                =301,
	GLFW_KEY_F13                =302,
	GLFW_KEY_F14                =303,
	GLFW_KEY_F15                =304,
	GLFW_KEY_F16                =305,
	GLFW_KEY_F17                =306,
	GLFW_KEY_F18                =307,
	GLFW_KEY_F19                =308,
	GLFW_KEY_F20                =309,
	GLFW_KEY_F21                =310,
	GLFW_KEY_F22                =311,
	GLFW_KEY_F23                =312,
	GLFW_KEY_F24                =313,
	GLFW_KEY_F25                =314,
	GLFW_KEY_KP_0               =320,
	GLFW_KEY_KP_1               =321,
	GLFW_KEY_KP_2               =322,
	GLFW_KEY_KP_3               =323,
	GLFW_KEY_KP_4               =324,
	GLFW_KEY_KP_5               =325,
	GLFW_KEY_KP_6               =326,
	GLFW_KEY_KP_7               =327,
	GLFW_KEY_KP_8               =328,
	GLFW_KEY_KP_9               =329,
	GLFW_KEY_KP_DECIMAL         =330,
	GLFW_KEY_KP_DIVIDE          =331,
	GLFW_KEY_KP_MULTIPLY        =332,
	GLFW_KEY_KP_SUBTRACT        =333,
	GLFW_KEY_KP_ADD             =334,
	GLFW_KEY_KP_ENTER           =335,
	GLFW_KEY_KP_EQUAL           =336,
	GLFW_KEY_LEFT_SHIFT         =340,
	GLFW_KEY_LEFT_CONTROL       =341,
	GLFW_KEY_LEFT_ALT           =342,
	GLFW_KEY_LEFT_SUPER         =343,
	GLFW_KEY_RIGHT_SHIFT        =344,
	GLFW_KEY_RIGHT_CONTROL      =345,
	GLFW_KEY_RIGHT_ALT          =346,
	GLFW_KEY_RIGHT_SUPER        =347,
	GLFW_KEY_MENU               =348,
	GLFW_KEY_LAST               =GLFW_KEY_MENU,

	GLFW_MOD_SHIFT           =0x0001,
	GLFW_MOD_CONTROL         =0x0002,
	GLFW_MOD_ALT             =0x0004,
	GLFW_MOD_SUPER           =0x0008,

	GLFW_MOUSE_BUTTON_1         =0,
	GLFW_MOUSE_BUTTON_2         =1,
	GLFW_MOUSE_BUTTON_3         =2,
	GLFW_MOUSE_BUTTON_4         =3,
	GLFW_MOUSE_BUTTON_5         =4,
	GLFW_MOUSE_BUTTON_6         =5,
	GLFW_MOUSE_BUTTON_7         =6,
	GLFW_MOUSE_BUTTON_8         =7,
	GLFW_MOUSE_BUTTON_LAST      =GLFW_MOUSE_BUTTON_8,
	GLFW_MOUSE_BUTTON_LEFT      =GLFW_MOUSE_BUTTON_1,
	GLFW_MOUSE_BUTTON_RIGHT     =GLFW_MOUSE_BUTTON_2,
	GLFW_MOUSE_BUTTON_MIDDLE    =GLFW_MOUSE_BUTTON_3,

	GLFW_JOYSTICK_1             =0,
	GLFW_JOYSTICK_2             =1,
	GLFW_JOYSTICK_3             =2,
	GLFW_JOYSTICK_4             =3,
	GLFW_JOYSTICK_5             =4,
	GLFW_JOYSTICK_6             =5,
	GLFW_JOYSTICK_7             =6,
	GLFW_JOYSTICK_8             =7,
	GLFW_JOYSTICK_9             =8,
	GLFW_JOYSTICK_10            =9,
	GLFW_JOYSTICK_11            =10,
	GLFW_JOYSTICK_12            =11,
	GLFW_JOYSTICK_13            =12,
	GLFW_JOYSTICK_14            =13,
	GLFW_JOYSTICK_15            =14,
	GLFW_JOYSTICK_16            =15,
	GLFW_JOYSTICK_LAST          =GLFW_JOYSTICK_16,

	GLFW_NOT_INITIALIZED        =0x00010001,
	GLFW_NO_CURRENT_CONTEXT     =0x00010002,
	GLFW_INVALID_ENUM           =0x00010003,
	GLFW_INVALID_VALUE          =0x00010004,
	GLFW_OUT_OF_MEMORY          =0x00010005,
	GLFW_API_UNAVAILABLE        =0x00010006,
	GLFW_VERSION_UNAVAILABLE    =0x00010007,
	GLFW_PLATFORM_ERROR         =0x00010008,
	GLFW_FORMAT_UNAVAILABLE     =0x00010009,

	GLFW_FOCUSED                =0x00020001,
	GLFW_ICONIFIED              =0x00020002,
	GLFW_RESIZABLE              =0x00020003,
	GLFW_VISIBLE                =0x00020004,
	GLFW_DECORATED              =0x00020005,

	GLFW_RED_BITS               =0x00021001,
	GLFW_GREEN_BITS             =0x00021002,
	GLFW_BLUE_BITS              =0x00021003,
	GLFW_ALPHA_BITS             =0x00021004,
	GLFW_DEPTH_BITS             =0x00021005,
	GLFW_STENCIL_BITS           =0x00021006,
	GLFW_ACCUM_RED_BITS         =0x00021007,
	GLFW_ACCUM_GREEN_BITS       =0x00021008,
	GLFW_ACCUM_BLUE_BITS        =0x00021009,
	GLFW_ACCUM_ALPHA_BITS       =0x0002100A,
	GLFW_AUX_BUFFERS            =0x0002100B,
	GLFW_STEREO                 =0x0002100C,
	GLFW_SAMPLES                =0x0002100D,
	GLFW_SRGB_CAPABLE           =0x0002100E,
	GLFW_REFRESH_RATE           =0x0002100F,

	GLFW_CLIENT_API             =0x00022001,
	GLFW_CONTEXT_VERSION_MAJOR  =0x00022002,
	GLFW_CONTEXT_VERSION_MINOR  =0x00022003,
	GLFW_CONTEXT_REVISION       =0x00022004,
	GLFW_CONTEXT_ROBUSTNESS     =0x00022005,
	GLFW_OPENGL_FORWARD_COMPAT  =0x00022006,
	GLFW_OPENGL_DEBUG_CONTEXT   =0x00022007,
	GLFW_OPENGL_PROFILE         =0x00022008,

	GLFW_OPENGL_API             =0x00030001,
	GLFW_OPENGL_ES_API          =0x00030002,

	GLFW_NO_ROBUSTNESS                   =0,
	GLFW_NO_RESET_NOTIFICATION  =0x00031001,
	GLFW_LOSE_CONTEXT_ON_RESET  =0x00031002,

	GLFW_OPENGL_ANY_PROFILE              =0,
	GLFW_OPENGL_CORE_PROFILE    =0x00032001,
	GLFW_OPENGL_COMPAT_PROFILE  =0x00032002,

	GLFW_CURSOR                 =0x00033001,
	GLFW_STICKY_KEYS            =0x00033002,
	GLFW_STICKY_MOUSE_BUTTONS   =0x00033003,

	GLFW_CURSOR_NORMAL          =0x00034001,
	GLFW_CURSOR_HIDDEN          =0x00034002,
	GLFW_CURSOR_DISABLED        =0x00034003,

	GLFW_CONNECTED              =0x00040001,
	GLFW_DISCONNECTED           =0x00040002,
};

typedef struct GLFWWindow* GLFWWindow;
typedef void (*GLFWglproc)();
typedef struct GLFWmonitor GLFWmonitor;
typedef struct GLFWwindow GLFWwindow;
typedef void (* GLFWerrorfun)(int,const char*);
typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int);
typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int);
typedef void (* GLFWwindowclosefun)(GLFWwindow*);
typedef void (* GLFWwindowrefreshfun)(GLFWwindow*);
typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int);
typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int);
typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int);
typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int);
typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double);
typedef void (* GLFWcursorenterfun)(GLFWwindow*,int);
typedef void (* GLFWscrollfun)(GLFWwindow*,double,double);
typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int);
typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int);
typedef void (* GLFWmonitorfun)(GLFWmonitor*,int);

typedef struct GLFWvidmode
{
	int width;
	int height;
	int redBits;
	int greenBits;
	int blueBits;
	int refreshRate;
} GLFWvidmode;

typedef struct GLFWgammaramp
{
	unsigned short* red;
	unsigned short* green;
	unsigned short* blue;
	unsigned int size;
} GLFWgammaramp;

int glfwInit(void);
void glfwTerminate(void);
void glfwGetVersion(int* major, int* minor, int* rev);
const char* glfwGetVersionString(void);
GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);
GLFWmonitor** glfwGetMonitors(int* count);
GLFWmonitor* glfwGetPrimaryMonitor(void);
void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos);
void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* width, int* height);
const char* glfwGetMonitorName(GLFWmonitor* monitor);
GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun);
const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count);
const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);
void glfwSetGamma(GLFWmonitor* monitor, float gamma);
const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor);
void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp);
void glfwDefaultWindowHints(void);
void glfwWindowHint(int target, int hint);
GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share);
void glfwDestroyWindow(GLFWwindow* window);
int glfwWindowShouldClose(GLFWwindow* window);
void glfwSetWindowShouldClose(GLFWwindow* window, int value);
void glfwSetWindowTitle(GLFWwindow* window, const char* title);
void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);
void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos);
void glfwGetWindowSize(GLFWwindow* window, int* width, int* height);
void glfwSetWindowSize(GLFWwindow* window, int width, int height);
void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height);
void glfwIconifyWindow(GLFWwindow* window);
void glfwRestoreWindow(GLFWwindow* window);
void glfwShowWindow(GLFWwindow* window);
void glfwHideWindow(GLFWwindow* window);
GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);
int glfwGetWindowAttrib(GLFWwindow* window, int attrib);
void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer);
void* glfwGetWindowUserPointer(GLFWwindow* window);
GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun);
GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun);
GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun);
GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun);
GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun);
GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun);
GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun cbfun);
void glfwPollEvents(void);
void glfwWaitEvents(void);
int glfwGetInputMode(GLFWwindow* window, int mode);
void glfwSetInputMode(GLFWwindow* window, int mode, int value);
int glfwGetKey(GLFWwindow* window, int key);
int glfwGetMouseButton(GLFWwindow* window, int button);
void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos);
void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos);
GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun);
GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun);
GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun);
GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun);
GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun);
GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun);
int glfwJoystickPresent(int joy);
const float* glfwGetJoystickAxes(int joy, int* count);
const unsigned char* glfwGetJoystickButtons(int joy, int* count);
const char* glfwGetJoystickName(int joy);
void glfwSetClipboardString(GLFWwindow* window, const char* string);
const char* glfwGetClipboardString(GLFWwindow* window);
double glfwGetTime(void);
void glfwSetTime(double time);
void glfwMakeContextCurrent(GLFWwindow* window);
GLFWwindow* glfwGetCurrentContext(void);
void glfwSwapBuffers(GLFWwindow* window);
void glfwSwapInterval(int interval);
int glfwExtensionSupported(const char* extension);
GLFWglproc glfwGetProcAddress(const char* procname);
]]

--glfw.glfw.Init()

--Coeus.Bindings.OpenGL.loader = glfw.glfw.GetProcAddress

return glfw