#include <stdio.h>
#include <string.h>
#include <esp_wifi.h>
#include "esp_event.h"
#include "esp_log.h"
#include "esp_mac.h"
#include "APlib.h"

static const char *TAG = "wifi AP init";

static void wifi_event_handler(void* arg, esp_event_base_t event_base,int32_t event_id, void* event_data){
	if (event_id == WIFI_EVENT_AP_STACONNECTED) {
		wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
		ESP_LOGI(TAG, "station "MACSTR" join, AID=%d", MAC2STR(event->mac), event->aid);
	}
	else if (event_id == WIFI_EVENT_AP_STADISCONNECTED) {
		wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
		ESP_LOGI(TAG, "station "MACSTR" leave, AID=%d", MAC2STR(event->mac), event->aid);
	}
}


void wifi_init_softap(wifi_config_t wifi_config){
	//ESP_ERROR_CHECK(esp_netif_init());
	//ESP_ERROR_CHECK(esp_event_loop_create_default());
	esp_netif_create_default_wifi_ap();

	wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
	ESP_ERROR_CHECK(esp_wifi_init(&cfg));

	ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL, NULL));

	ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
	ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
	ESP_ERROR_CHECK(esp_wifi_start());
}

wifi_config_t wifi_config_generator(char SSID[32], char pass[32], uint8_t channel){
	wifi_config_t config = {
		.ap = {
			.ssid_len = strlen((char*)SSID),
			.channel = channel,
			.max_connection = 10,
			.authmode = WIFI_AUTH_WPA_WPA2_PSK,
		},
	};
	memcpy(config.ap.ssid, SSID, 32);
	memcpy(config.ap.password, pass, 32);
	if(strlen((char*)pass) == 0)
		config.ap.authmode = WIFI_AUTH_OPEN;
	return config;
}