#include <AsyncTCP.h>
#include <WiFi.h>
#include <ESPAsyncWebServer.h>

using string = const char*;

class WifiNetwork
{
public:
	struct Credentials
	{
		string ssid;
		string password;
	};
private:
	const int loadingLedGpio = 32;
	const int connectionBlinkInterval = 250;
	WiFiClass wifi;

	void connect(const Credentials& credentials)
	{
		WiFi.mode(WIFI_STA);
		wifi.begin(credentials.ssid, credentials.password);
		auto lightsUp = true;
		while (wifi.status() != WL_CONNECTED)
		{
			digitalWrite(loadingLedGpio, lightsUp ? HIGH : LOW);
			Serial.print(".");
			delay(connectionBlinkInterval);
			lightsUp = !lightsUp;
		}
		digitalWrite(loadingLedGpio, LOW);
	}

	void printNetworkInfoSummary()
	{
		Serial.println(" Successfully established!");
		Serial.printf("RRSI: %d\n", RSSI());
	}

public:
	WifiNetwork(const Credentials& credentials)
	{
		pinMode(loadingLedGpio, OUTPUT);
		Serial.write("Connecting to WiFi .");
		connect(credentials);
		printNetworkInfoSummary();
	}

	string IPAddress()
	{
		return wifi.localIP().toString().c_str();
	}

	uint8_t RSSI()
	{
		return wifi.RSSI();
	}
};

class SagittariusStation
{
private:
	AsyncWebServer server;
	string name = "\nSagittarius Station 1.0";
	static void page404(AsyncWebServerRequest* request)
	{
		request->send(
			404,
			"text/plain",
			"404 - Page not found"
		);
	}
public:
	SagittariusStation(WifiNetwork& network, const int port = 80) :
		server(port)
	{
		Serial.println(Name());
		Serial.printf("Starting up on %s:%d", network.IPAddress(), port);
		server.on("/", HTTP_GET, [](AsyncWebServerRequest* request)
		{
			request->send(
				200,
				"text/plain",
				"Hello, world"
			);
		});
		server.on("/about", HTTP_GET, [this](AsyncWebServerRequest* request)
		{
			request->send(
				200,
				"text/plain",
				name
			);
		});
		server.onNotFound(page404);
		server.begin();
	}

	string Name()
	{
		return name;
	}

	AsyncWebServer Server()
	{
		return server;
	}
};


void setup()
{
	Serial.begin(115200);

	WifiNetwork net({ "Milky Way", "heslo_do_wifi" });
	SagittariusStation station(net);
}

void loop()
{

}