#include <PA9.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "GUI_config_net.h"
#include "GUI_config_net_serv_ip.h"
#include "GUI_keyboard.h"
#include "GUI_common.h"
#include "CORE_general.h"

#include "gfx/all_gfx.h"

/* Possible actions */
#define BACK    0
#define OK      1


/******** PRIVATE ********/
static void priv_load_sprites(u8 screen);
static void priv_del_sprites(u8 screen);
static u8 priv_touched(u8 icon);
static u8 priv_selected(u8 icon);
/*************************/



/* The connect menu process function */
void gui_config_net_serv_ip(void){
    static config_net_serv_ip_state_t localstate = CONFIG_NET_SERV_IP_INIT;
    
    static char tmp_serv_ip[16] = {0,0,0,0,0,0,0,0,
                                   0,0,0,0,0,0,0,0};
        
    switch(localstate){
        case CONFIG_NET_SERV_IP_INIT:
            PA_EasyBgLoad(DSCR, 3, BG_keyboard);
            keyboard_view();
            priv_load_sprites(DSCR);
            
            network_ip2str(tmp_serv_ip, sizeof(tmp_serv_ip), tmpEnv->network.serv_ip);
            
            localstate = CONFIG_NET_SERV_IP_FADEIN;
            break;
            
        case CONFIG_NET_SERV_IP_FADEIN:
            if(fadein(DSCR)) return;
            localstate = CONFIG_NET_SERV_IP_SELECT;
            commons_move_in();
            break;
        
        case CONFIG_NET_SERV_IP_SELECT:
            keyboard_num_read(tmp_serv_ip, sizeof(tmp_serv_ip), 1);

            if(priv_selected(BACK)){
                NetCfg.serv_ip_has_changed = 0;
                Env.next_state = APP_CONFIG_NET;
                localstate = CONFIG_NET_SERV_IP_MOVEOUT;
            }
            else if(priv_selected(OK)){
                if( ntohl(inet_addr(tmp_serv_ip)) != -1 ){
                    NetCfg.serv_ip_has_changed = 1;
                    tmpEnv->network.serv_ip.inaddr.s_addr = ntohl(inet_addr(tmp_serv_ip));
                    Env.next_state = APP_CONFIG_NET;
                    localstate = CONFIG_NET_SERV_IP_MOVEOUT;
                }
            }
            break;
        
        case CONFIG_NET_SERV_IP_MOVEOUT:
            commons_move_out();
            localstate = CONFIG_NET_SERV_IP_FADEOUT;
        
        case CONFIG_NET_SERV_IP_FADEOUT:
            if(fadeout(DSCR)) return;
            localstate = CONFIG_NET_SERV_IP_CLEAR;
            break;
            
        case CONFIG_NET_SERV_IP_CLEAR:
            keyboard_hide();
            priv_del_sprites(DSCR);
            PA_DeleteBg(DSCR, 3);
            localstate = CONFIG_NET_SERV_IP_INIT;
            Env.current_state = Env.next_state;
            break;
    }
    
    return;
}






/*-------------------------------
            Private
-------------------------------*/


/* Private sprite loading */
static void priv_load_sprites(u8 screen){   
    buttons_init(BUTTON_BACK, BUTTON_OK);
    title_init(TITLE_SERV_IP);
    return;
}



/* Private sprite deletting */
static void priv_del_sprites(u8 screen){
    commons_delete();
    return;
}

/* Private sprite touch 
    Return  1 touched
            0 not touched
*/
static u8 priv_touched(u8 icon){
    switch(icon){                 
        case BACK:
            return button_touch_l();
            break;
        
        case OK:
            return button_touch_r();
            break;
    }
    return 0;
}


/* Is the item selected?
    Return  1 selected
            0 not selected
*/
static u8 priv_selected(u8 icon){
    return priv_touched(icon);
}