#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <wifi_intf.h>
#include <pthread.h>
#include "wmg_debug.h"
#include "scan.h"
#include "wifi_udhcpc.h"

static void wifi_state_handle(struct Manager *w, int event_label)
{
    wmg_printf(MSG_DEBUG,"event_label 0x%x\n", event_label);

    switch(w->StaEvt.state)
    {
		 case CONNECTING:
		 {
			 wmg_printf(MSG_INFO,"Connecting to the network......\n");
			 break;
		 }
		 case CONNECTED:
		 {
			 wmg_printf(MSG_INFO,"Connected to the AP\n");
			 start_udhcpc();
			 break;
		 }

		 case OBTAINING_IP:
		 {
			 wmg_printf(MSG_INFO,"Getting ip address......\n");
			 break;
		 }

		 case NETWORK_CONNECTED:
		 {
			 wmg_printf(MSG_DEBUG,"Successful network connection\n");
			 break;
		 }
		case DISCONNECTED:
		{
		    wmg_printf(MSG_ERROR,"Disconnected,the reason:%s\n",wmg_event_txt(w->StaEvt.event));
		    break;
		}
    }
}
void *app_scan_task(void *args)
{
    const aw_wifi_interface_t *p_wifi = (aw_wifi_interface_t *)args;
    char scan_results[4096];
    int len = 0;
    int event_label = 0;

    while(1){
        len = 4096;
        p_wifi->get_scan_results(scan_results, &len);
    }
}


int check_password(const char *passwd)
{
    int result = 0;
    int i=0;

    if(!passwd || *passwd =='\0'){
        return -1;
    }

	if(strlen(passwd) < 8 || strlen(passwd) > 64 ){
		wmg_printf(MSG_ERROR,"ERROR:passwd less than 8 or longer than 64");
		return -1;
	}

    for(i=0; passwd[i]!='\0'; i++){
        /* non printable char */
        if((passwd[i]<32) || (passwd[i] > 126)){
			wmg_printf(MSG_INFO,"ERROR:passwd include unprintable char");
            result = -1;
            break;
        }
    }

	return result;
}

void print_help(){
	wmg_printf(MSG_INFO,"---------------------------------------------------------------------------------\n");
	wmg_printf(MSG_INFO,"NAME:\n\twifi_add_network_test\n");
	wmg_printf(MSG_INFO,"DESCRIPTION:\n\tadd and connect the AP.\n");
	wmg_printf(MSG_INFO,"USAGE:\n\twifi_add_network_test <ssid> <passwd> <key_mgmt> <level>\n");
	wmg_printf(MSG_INFO,"PARAMS:\n\tssid     : ssid of the AP\n");
	wmg_printf(MSG_INFO,"\tpasswd   : password of the AP(WPA_PSK/WPA2_PSK: Common characters:ASCII 32-126)\n");
	wmg_printf(MSG_INFO,"\tkey_mgmt : encryption method of the AP\n");
	wmg_printf(MSG_INFO,"\t\t0 : NONE\n");
	wmg_printf(MSG_INFO,"\t\t1 : key_mgmt = WPA_PSK  (password length:8-64 and whithout unprintable char)\n");
	wmg_printf(MSG_INFO,"\t\t2 : key_mgmt = WPA2_PSK (password length:8-64 and whithout unprintable char)\n");
	wmg_printf(MSG_INFO,"\t\t3 : key_mgmt = WEP\n");
	wmg_printf(MSG_INFO,"\tlevel    : print level(d0~d5).larger value,more info.para is not required,default d2.\n");
	wmg_printf(MSG_INFO,"--------------------------------------MORE---------------------------------------\n");
	wmg_printf(MSG_INFO,"The way to get help information:\n");
	wmg_printf(MSG_INFO,"\twifi_add_network_test --help\n");
	wmg_printf(MSG_INFO,"\twifi_add_network_test -h\n");
	wmg_printf(MSG_INFO,"\twifi_add_network_test -H\n");
	wmg_printf(MSG_INFO,"---------------------------------------------------------------------------------\n");
}

int check_paras(int num, char *str[]){
	if(num < 4 || num >5){
		 wmg_printf(MSG_ERROR,"ERROR: paras more or less!\n");
		return -1;
	}
	int mgmt = atoi(str[3]);
	if(mgmt >= 0 && mgmt <= 3){
		if((mgmt == 1 || mgmt == 2) && (check_password(str[2]))){
			wmg_printf(MSG_ERROR,"ERROR: password format incorrect!\n");
			return -1;
		}
		return 0;
	}else{
		wmg_printf(MSG_ERROR,"ERROR:key_mgmt not allowed!\n");
		return -1;
	}
}

/*
 *argc[1]   ap ssid
 *argc[2]   ap passwd
 *argc[2]   key_mgmt
*/
static int set_log_level(int argv, char *argc[])
{
	if(argv >=5 && !strncmp(argc[4],"d",1)){
		char *debug = argc[4];
		if(strlen(debug) >=2 && debug[1] >= '0' &&
			debug[1] <= '5'){
			wmg_set_debug_level(debug[1] - '0');
			return 0;
		}else{
			printf("Illegal level\n");
			printf("Level range 0~5\n");
			return -1;
		}
	}
	return 0;
}
int main(int argv, char *argc[]){
    int ret = 0, len = 0, switch_int = 0;
    int times = 0, event_label = 0;;
    char ssid[256] = {0}, scan_results[4096] = {0};
    const aw_wifi_interface_t *p_wifi_interface = NULL;
	tKEY_MGMT key_mgmt = WIFIMG_NONE;

	if(argv == 2 && (!strcmp(argc[1],"--help") || !strcmp(argc[1], "-h") || !strcmp(argc[1], "-H"))){
		print_help();
		return -1;
	}

	if(check_paras(argv, argc)){
		print_help();
		return -1;
	}
	if(set_log_level(argv, argc))
		return -1;

    wmg_printf(MSG_INFO,"\n*********************************\n");
    wmg_printf(MSG_INFO,"***Start wifi connect ap test\n");
	wmg_printf(MSG_INFO,"***ssid    :%s\n",argc[1]);
	wmg_printf(MSG_INFO,"***password:%s\n",argc[2]);
    wmg_printf(MSG_INFO,"*********************************\n");

    event_label = rand();
    p_wifi_interface = aw_wifi_on(wifi_state_handle, event_label);
    if(p_wifi_interface == NULL){
        wmg_printf(MSG_ERROR,"wifi on failed\n");
        return -1;
    }
	if(aw_wifi_get_wifi_state() == CONNECTED){
		wmg_printf(MSG_INFO,"auto connected Successful  !!!!\n");
		wmg_printf(MSG_INFO,"==================================\n");
	}

	event_label++;
	switch_int= atoi(argc[3]);
	wmg_printf(MSG_DEBUG,"The switch_int is %d\n",switch_int);

	switch(switch_int)
	{
	case 0: key_mgmt = WIFIMG_NONE; break;
	case 1: key_mgmt = WIFIMG_WPA_PSK; break;
	case 2: key_mgmt = WIFIMG_WPA2_PSK; break;
	case 3: key_mgmt = WIFIMG_WEP; break;
	   default: ; break;
	}

	p_wifi_interface->add_network(argc[1], key_mgmt, argc[2], event_label);

	if(aw_wifi_get_wifi_state() == NETWORK_CONNECTED)
		wmg_printf(MSG_INFO,"Wifi connect ap : Success!\n");
	else
		wmg_printf(MSG_ERROR,"Wifi connect ap : Failure!\n");
	wmg_printf(MSG_INFO,"==================================\n");

	return 0;
}