#define MEMSIZE 1024*460

#include "../lib/io.h"
#include "../lib/gui.h"
#include "../lib/copyf.h"

#include "../lib/obj/libini.h"
#include "../lib/obj/libio.h"
#include "../lib/obj/libimg.h"
#include "../lib/obj/http.h"
#include "../lib/obj/network.h"

#include "../lib/patterns/restart_process.h"
#include "../lib/patterns/http_downloader.h"

#ifndef AUTOBUILD
#include "lang.h--"
#endif

_http http;
proc_info Form;

#define WINW 400
#define WINH 300

char accept_language[]="en"; //not used, necessary for http.get()

#ifdef LANG_RUS
#define T_INTRO "Попробуйте новое визуальное оформление Колибри, которое раньше было доступно только в KolibriNext."; 
#define T_INSTALL "Установить"
#define T_COMPLETE "Установка завершена"
#define T_EXIT "Выход"
#define IMG_URL "http://builds.kolibrios.org/rus/data/data/kolibri.img"
#else
#define T_INTRO "This app will download the latest KolibriOS dirsto and update your RAM-disk with it. Kernel won't be restarted. Please close all opened apps before start."; 
#define T_INSTALL "Update"
#define T_COMPLETE "Update complete"
#define T_EXIT "Exit"
#define IMG_URL "http://builds.kolibrios.org/eng/data/data/kolibri.img"
#endif


bool install_complete = false;

void main()
{
	word btn;
	//load_dll(libini, #lib_init,1);
	load_dll(libio, #libio_init,1);
	load_dll(libimg, #libimg_init,1);
	load_dll(libHTTP,   #http_lib_init,1);
	SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_STACK);
	loop() switch(WaitEventTimeout(300) & 0xFF)
	{
		case evButton:
			btn = GetButtonID();               
			if (btn == 1) ExitProcess();
			else EventInstall();
			break;
	  
		case evKey:
			GetKeys();
			if (key_scancode == SCAN_CODE_ESC) ExitProcess();
			if (key_scancode == SCAN_CODE_ENTER) {
				if (install_complete) ExitProcess();
				else EventInstall();
			}
			break;
		 
		case evReDraw:
			draw_window();
			break;

		case evNetwork:
			if (http.transfer <= 0) break;
			http.receive();
			if (http.content_length) DrawProgressBar(30, WINH-140, WINW-60, 20, sc.work, 0xC3C3C3, 
				0x54B1D6, sc.work_text, 100 * http.content_received / http.content_length);
			if (http.receive_result == 0) EventDownloadComplete();
	}
}

void draw_window()
{
	sc.get();
	DefineAndDrawWindow(screen.width-WINW/2,screen.height-WINH/2,
		WINW+9,WINH+skin_height,0x34,sc.work,"KolibriOS Online Updater",0);
	GetProcessInfo(#Form, -1);
	WriteText(30, 20, 0x81, 0xEC008C, "ONLINE UPDATE");
	if (install_complete) DrawInstallComplete(); else DrawIntro();
}

void DrawIntro()
{
	DrawTextViewArea(30, 50, WINW-60, WINH-80, 
		T_INTRO, -1, sc.work_text);
	DrawCaptButton(WINW-110/2, WINH-70, 110, 28, 9999, 
		0x0092D8, 0xFFFfff, T_INSTALL);
}

void DrawInstallComplete()
{
	DrawIcon32(WINW-32/2, 140, sc.work, 49);
	WriteTextCenter(0,185, WINW, sc.work_text, T_COMPLETE);
	DrawCaptButton(WINW-110/2, WINH-70, 110, 28, 1, 
		0x0092D8, 0xFFFfff, T_EXIT);
}

void EventInstall()
{
	http.get(IMG_URL);
}

void EventDownloadComplete()
{
	dword unimg_id, slot_n;

	CreateFile(http.content_received, http.content_pointer, "/tmp0/1/last.img");
	http.free();

	unimg_id = RunProgram("/tmp0/1/unimg", "/tmp0/1/last.img -e");
	do {
		slot_n = GetProcessSlot(unimg_id);
		pause(10);
	} while (slot_n!=0);

	copyf("/tmp0/1/KOLIBRI.IMG", "/rd/1");

	RestartAllProcess();
	install_complete = true;
	draw_window();
}

void RestartAllProcess() {
	int i;
	proc_info Process;
	for (i=0; i<MAX_PROCESS_COUNT; i++;)
	{
		GetProcessInfo(#Process, i);
		if (Process.name) 
		&& (!streq(#Process.name, "OS"))
		&& (Process.ID != Form.ID)
			KillProcess(Process.ID);
	}
	RunProgram("/sys/launcher", NULL);
}

void Operation_Draw_Progress(dword filename) { debug("copying: "); debugln(filename); }