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

#include "GUI_config_net.h"
#include "GUI_common.h"
#include "CORE_general.h"
#include "CORE_fileio.h"

#include "gfx/all_gfx.h"

/* Possible actions */
#define BACK        0
#define OK          1
#define LOCAL_PORT  2
#define SERVER_PORT 3
#define SERVER_IP   4



/******** 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(void){
    static config_net_state_t localstate = CONFIG_NET_INIT;
   
    char local_port_text[6];
    char serv_port_text[6];
    char serv_ip_text[16];
    
    sprintf(local_port_text, "%d", tmpEnv->network.local_port);
    sprintf(serv_port_text, "%d", tmpEnv->network.serv_base_port);
    network_ip2str(serv_ip_text, sizeof(serv_ip_text), tmpEnv->network.serv_ip);
    
    switch(localstate){
        case CONFIG_NET_INIT:     
            PA_EasyBgLoad(DSCR, 3, BG_network);
            priv_load_sprites(DSCR);
                       
            PA_OutputSimpleText(DSCR, 12, 7, local_port_text);
            PA_OutputSimpleText(DSCR, 12, 11, serv_port_text);
            PA_OutputSimpleText(DSCR, 12, 15, serv_ip_text);
            
            localstate = CONFIG_NET_FADEIN;
            break;
            
        case CONFIG_NET_FADEIN:
            if(fadein(DSCR)) return;
            localstate = CONFIG_NET_SELECT;
            commons_move_in();
            break;
        
        case CONFIG_NET_SELECT:
            if(priv_selected(LOCAL_PORT)){
                Env.next_state = APP_CONFIG_NET_LOCALPORT;
                localstate = CONFIG_NET_MOVEOUT;
            }
            else if(priv_selected(SERVER_PORT)){
                Env.next_state = APP_CONFIG_NET_SERVPORT;
                localstate = CONFIG_NET_MOVEOUT;
            }
            else if(priv_selected(SERVER_IP)){
                Env.next_state = APP_CONFIG_NET_SERVIP;
                localstate = CONFIG_NET_MOVEOUT;
            }
            else if(priv_selected(BACK)){
                //undo changes
                memcpy(&(tmpEnv->network), &(Env.network), sizeof(network_t));
                Env.next_state = APP_CONFIG;
                localstate = CONFIG_NET_MOVEOUT;
            }
            else if(priv_selected(OK)){
                Env.tmp_has_changed = 1;
                Env.next_state = APP_CONFIG;
                localstate = CONFIG_NET_MOVEOUT;
            }
            break;
        
        case CONFIG_NET_MOVEOUT:
            commons_move_out();
            localstate = CONFIG_NET_FADEOUT;
        
        case CONFIG_NET_FADEOUT:
            if(fadeout(DSCR)) return;
            localstate = CONFIG_NET_CLEAR;
            break;
            
        case CONFIG_NET_CLEAR:
            NetCfg.local_port_has_changed = 0;
            NetCfg.serv_port_has_changed = 0;
            NetCfg.serv_ip_has_changed = 0;
            
            priv_del_sprites(DSCR);
            PA_ClearTextBg(DSCR);
            PA_DeleteBg(DSCR, 3);   // GFX_CONFIG_NET_dscr
            localstate = CONFIG_NET_INIT;
            Env.current_state = Env.next_state;
            break;
    }
    
    return;
}






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


/* Private sprite loading */
static void priv_load_sprites(u8 screen){

    if(NetCfg.local_port_has_changed || NetCfg.serv_port_has_changed || NetCfg.serv_ip_has_changed){
        buttons_init(BUTTON_BACK, BUTTON_OK);
    }
    else{
        button_init_l(BUTTON_BACK);
    }
    
    title_init(TITLE_NETWORK);

    
    PA_LoadSpritePal(screen, 4, (void*)spr_edit_Pal);
      
    /* LOCAL_PORT */
    PA_CreateSprite(screen, 20, (void*)SPR_edit_Sprite, OBJ_SIZE_16X16, 1, 4, 232, 52);

    /* SERVER_PORT */
    PA_CreateSprite(screen, 21, (void*)SPR_edit_Sprite, OBJ_SIZE_16X16, 1, 4, 232, 84);   

    /* SERVER_IP */
    PA_CreateSprite(screen, 22, (void*)SPR_edit_Sprite, OBJ_SIZE_16X16, 1, 4, 232, 116);
    
    return;
}



/* Private sprite deletting */
static void priv_del_sprites(u8 screen){
    
    commons_delete();
   
    PA_DeleteSprite(screen, 20);
    PA_DeleteSprite(screen, 21);
    PA_DeleteSprite(screen, 22);
   
    return;
}

/* Private sprite touch 
    Return  1 touched
            0 not touched
*/
static u8 priv_touched(u8 icon){    
    switch(icon){
        case LOCAL_PORT:
            return (PA_SpriteTouched(20) && Stylus.Newpress);
            break;
            
        case SERVER_PORT:
            return (PA_SpriteTouched(21) && Stylus.Newpress);
            break;
            
        case SERVER_IP:
            return (PA_SpriteTouched(22) && Stylus.Newpress);
            break;
                       
        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);
}