/*
 * ProvisionSoftAP.h
 *
 *  Created on: Apr 17, 2019
 *      Author: miro
 */

#ifndef MAIN_PROVISIONSOFTAP_H_
#define MAIN_PROVISIONSOFTAP_H_

#include <ESPAsyncWebServer.h>
#include <DNSServer.h>
#include <list>
// #include "ArduinoJson.h"
#include "Settings.h"

class ProvisionSoftAP
{
private:
	DNSServer m_dnsServer;
	AsyncWebServer * m_webServer;
	AsyncWebSocket * m_webSocket;
	wifi_event_id_t wifiEventId = 0;
	std::list<int> m_clients;
	bool m_startWifiScan = false;
	bool m_tryConnect = false;
	bool m_tailgate = false;
	// StaticJsonBuffer<1200> m_jsonBuffer;
	char m_buff[1200];

private:
	// json stuff
	const char* TYPE = "type";
	const char* WIFI_SCAN = "wifi_scan";
	const char* DATA = "data";
	const char* COMMAND = "command";
	const char* WIFI_CONFIG = "wifi_config";
	const char* SSID = "ssid";
	const char* PWD = "pwd";
	const char* ERROR = "error";
	const char* CODE = "code";
	const char* TAILGATE = "tailgate";

private:
	void parseWebsocketCommand(char *data, size_t len);
	void tryConnect(const char * ssid, const char * pwd);

	// callbacks
	void wifiEvent(arduino_event_id_t event, arduino_event_info_t info);
	void websocketEvent(AsyncWebSocket * server, AsyncWebSocketClient * client,
	        AwsEventType type, void * arg, uint8_t *data, size_t len);
	void handlePortal(AsyncWebServerRequest* request);
	void handleLogo(AsyncWebServerRequest *request);
	void waitBufferEmpty();

public:
	void init(const char * ssid, const char * password);

	ProvisionSoftAP(int port = 80);
	virtual ~ProvisionSoftAP();
};

#endif /* MAIN_PROVISIONSOFTAP_H_ */