/*
 * Mr. 4th Dimention - Allen Webster
 *
 * 28.06.2017
 *
 * Mac C++ layer for 4coder
 *
 */

// TOP

#define IS_PLAT_LAYER

#include "4ed_defines.h"
#include "4coder_API/version.h"

#include "4coder_lib/4coder_utf8.h"

#if defined(FRED_SUPER)
# include "4coder_API/keycodes.h"
# include "4coder_API/style.h"

# define FSTRING_IMPLEMENTATION
# include "4coder_lib/4coder_string.h"
# include "4coder_lib/4coder_mem.h"

# include "4coder_API/types.h"
# include "4ed_os_custom_api.h"

#else
# include "4coder_default_bindings.cpp"
#endif

#include "4ed_math.h"

#include "4ed_system.h"
#include "4ed_log.h"
#include "4ed_rendering.h"
#include "4ed.h"

#include "4ed_file_track.h"
#include "4ed_font_interface_to_os.h"
#include "4ed_system_shared.h"

#include "unix_4ed_headers.h"
#include <sys/syslimits.h>

#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>

////////////////////////////////

#include "4ed_shared_thread_constants.h"
#include "unix_threading_wrapper.h"

////////////////////////////////

#define SLASH '/'
#define DLL "so"

global System_Functions sysfunc;
#include "4ed_shared_library_constants.h"
#include "unix_library_wrapper.h"
#include "4ed_standard_libraries.cpp"

#include "4ed_coroutine.cpp"

////////////////////////////////

global Render_Target target;
global Application_Memory memory_vars;
global Plat_Settings plat_settings;

global Libraries libraries;
global App_Functions app;
global Custom_API custom_api;

global Coroutine_System_Auto_Alloc coroutines;

////////////////////////////////

#include "unix_4ed_functions.cpp"

#include "osx_objective_c_to_cpp_links.h"
OSX_Vars osx;

#include <stdlib.h>

////////////////////////////////

#include "4ed_coroutine_functions.cpp"

//
// Clipboard
//

internal
Sys_Post_Clipboard_Sig(system_post_clipboard){
    char *string = str.str;
    if (!terminate_with_null(&str)){
        if (osx.clipboard_space_max <= str.size + 1){
            if (osx.clipboard_space != 0){
                system_memory_free(osx.clipboard_space, osx.clipboard_space_max);
            }
            osx.clipboard_space_max = l_round_up_u32(str.size*2 + 1, KB(4096));
            osx.clipboard_space = (char*)system_memory_allocate(osx.clipboard_space_max);
        }
        memcpy(osx.clipboard_space, str.str, str.size);
        osx.clipboard_space[str.size] = 0;
        string = osx.clipboard_space
        ;
    }
    osx_post_to_clipboard(string);
}

//
// CLI
//

internal
Sys_CLI_Call_Sig(system_cli_call){
    // b32 #(char *path, char *script_name, CLI_Handles *cli_out)
    // TODO
    return(true);
}

internal
Sys_CLI_Begin_Update_Sig(system_cli_begin_update){
    // void #(CLI_Handles *cli)
    // TODO
}

internal
Sys_CLI_Update_Step_Sig(system_cli_update_step){
    // b32 #(CLI_Handles *cli, char *dest, u32 max, u32 *amount)
    // TODO
    return(0);
}

internal
Sys_CLI_End_Update_Sig(system_cli_end_update){
    // b32 #(CLI_Handles *cli)
    // TODO
    return(false);
}

#include "4ed_font_data.h"
#include "4ed_system_shared.cpp"

////////////////////////////////

#include "4ed_link_system_functions.cpp"
#include "4ed_shared_init_logic.cpp"

external void*
osx_allocate(umem size){
    void *result = system_memory_allocate(size);
    return(result);
}

external void
osx_resize(int width, int height){
    osx.width = width;
    osx.height = height;
    // TODO
}

external void
osx_character_input(u32 code, OSX_Keyboard_Modifiers modifier_flags){
    // TODO
}

external void
osx_mouse(i32 mx, i32 my, u32 type){
    // TODO
}

external void
osx_mouse_wheel(float dx, float dy){
    // TODO
}

external void
osx_step(){
    // TODO
}

external void
osx_init(){
    //
    // System Linkage
    //
    
    link_system_code();
    
    //
    // Memory init
    //
    
    memset(&linuxvars, 0, sizeof(linuxvars));
    memset(&target, 0, sizeof(target));
    memset(&memory_vars, 0, sizeof(memory_vars));
    memset(&plat_settings, 0, sizeof(plat_settings));
    
    memset(&libraries, 0, sizeof(libraries));
    memset(&app, 0, sizeof(app));
    memset(&custom_api, 0, sizeof(custom_api));
    
    memory_init();
    
    //
    // HACK(allen): 
    // Previously zipped stuff is here, it should be zipped in the new pattern now.
    //
    
    init_shared_vars();
    
    //
    // Dynamic Linkage
    //
    
    load_app_code();
    link_rendering();
#if defined(FRED_SUPER)
    load_custom_code();
#else
    custom_api.get_bindings = get_bindings;
#endif
    
    //
    // Read command line
    //
    
    read_command_line(argc, argv);
    
    //
    // Threads
    //
    
    work_system_init();
    
    //
    // Coroutines
    //
    
    coroutines_init();

    // TODO
}

// BOTTOM