#ifndef _server_h
#define _server_h

#include "esp_wifi_types.h"
#include "shared.h"
#include "esp_event.h"

static
void on_station_connects(wifi_event_ap_staconnected_t* event) {
    LOGLN("Station %d connected", event->aid);
}

static
void on_station_disconnects(wifi_event_ap_stadisconnected_t* event) {
    LOGLN("Station %d disconnected", event->aid);
}

static
void on_wifi_event(void* arg, esp_event_base_t event_base,
                   int32_t event_id, void* event_data) {
    switch(event_id) {
        case WIFI_EVENT_AP_STACONNECTED:
            on_station_connects(event_data);
            break;
        case WIFI_EVENT_AP_STADISCONNECTED:
            on_station_disconnects(event_data);
            break;
    }
}

static inline
void wifi_init() {
    LOGLN("Configuring WIFI");
    // init tcp/ip stack
    tcpip_adapter_init();
    ESP_ERROR_CHECK(esp_event_loop_create_default());
    // initialize wifi
    wifi_init_config_t wifi_startup = WIFI_INIT_CONFIG_DEFAULT();
    ESP_ERROR_CHECK(esp_wifi_init(&wifi_startup));
    ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &on_wifi_event, NULL));
    LOGLN("WiFi initialized");
}

static inline
void softap_init() {
    LOGLN("Starting wireless Access Point");
    // set mode to wifi
    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));

    // configure wifi hardware to serve as a wifi access point
    wifi_config_t accesspoint_startup_config = {
      .ap = {
            .ssid = SSID,
            .ssid_len = strlen(SSID),
            .password = PASSW,
            .max_connection=32,
            .authmode = WIFI_AUTH_WPA_WPA2_PSK
        }
    };

    // configure with created startup config
    ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &accesspoint_startup_config));
    // start wifi access point
    ESP_ERROR_CHECK(esp_wifi_start());

    LOGLN("Opened AP SSID: \"%s\" PW: \"%s\"", SSID, PASSW);
}

#endif // !_server_h