#include <PA9.h>
#include <fat.h>

#include "CORE_general.h"
#include "CORE_console.h"
#include "CORE_turbo_keys.h"
#include "CORE_ds2key_compat.h"
#include "CORE_network.h"
#include "CORE_fileio.h"
#include "CORE_power.h"


/* Set all default values */
void Env_init(void){
    tmpEnv = NULL; // for good gui_config() purpose!

    Env.current_state = APP_SPLASH; // current application state
    Env.next_state = APP_SPLASH;    // initial value doesn't matter...

    Env.pad_number = 1;             // first player pad  (Should never be 0)

    PA_SetBrightness(USCR, (Env.uscr_bright = -32));  // up screen brightness
    PA_SetBrightness(DSCR, (Env.dscr_bright = -32));  // down screen brightness
    
    Env.fat_enabled = fatInitDefault(); // init fat system and set corresponding flag
#ifdef DEBUG
    if(Env.fat_enabled)
        PA_Print(USCR, "DLDI Init: SUCCESS\n");
    else
        PA_Print(USCR, "DLDI Init: FAILED\n");
#endif

    Env.has_changed = 0;
    Env.tmp_has_changed = 0;
    Env.ds2key_compat = 0;
    
    // Env sub content.
    console_init(&(Env.console));
    turbo_keys_init(&(Env.turbo));
    ds2key_init(&(Env.ds2key));
    network_init(&(Env.network));
    power_init(&(Env.power));
    
    // HERE read config file
    config_read();
}


/*
    Set pad number
*/
void Env_SetPad(u8 pad){
   
    Env.pad_number = pad;
    
    /* The server port trick! */
    if(Env.ds2key_compat){
        Env.network.serv_real_port = Env.network.serv_base_port;
    }
    else{
        Env.network.serv_real_port = Env.network.serv_base_port + Env.pad_number - 1;
    }
    
#ifdef DEBUG
    PA_Print(USCR, "Selected player %d\n", pad);
    if(Env.ds2key_compat) 
        PA_Print(USCR, "DS2key mode is active\n");
#endif     
    return;
}


/*
    Perform screen fade in/out
    Return  1 if in progress
            0 if finished
*/
u8 fadein(u8 screen){
    switch(screen){
        case USCR:
            if(Env.uscr_bright < 0) PA_SetBrightness(screen, (Env.uscr_bright += 2));
            return (Env.uscr_bright < 0);
        
        case DSCR:
            if(Env.dscr_bright < 0) PA_SetBrightness(screen, (Env.dscr_bright += 2));
            return (Env.dscr_bright < 0);
    }
    
    /* should not happend */
    return 0;
}


u8 fadeout(u8 screen){
    switch(screen){
        case USCR:
            if(Env.uscr_bright > -32) PA_SetBrightness(screen, (Env.uscr_bright -= 2));
            return (Env.uscr_bright > -32);
        
        case DSCR:
            if(Env.dscr_bright > -32) PA_SetBrightness(screen, (Env.dscr_bright -= 2));
            return (Env.dscr_bright > -32);        
    }
    
    /* should not happend */
    return 0;
}



/*
    Check power...
*/
void env_power_check(void){
    if(PA_LidClosed()){
        if(Env.current_state == APP_PLAY)
            network_disconnect(&(Env.network));
        
        PA_SetLedBlink(1, 0); // slow blink
        PA_CheckLid();
        
        if(Env.current_state == APP_PLAY)
            network_connect(&(Env.network));
    }
}