#include "Connectivity.h"

void Connectivity::connectWiFi(char* ssid, char* pass){
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
  }
}

// void Connectivity::websocketSetup(char* ip, uint16_t port, char* adress){
// 	//ws server address, port and URL
// 	webSocket.begin(ip , port, adress);
// 	// try every 500 again if connection has failed
// 	webSocket.setReconnectInterval(500);
// }

// void Connectivity::sendData(float roll, float pitch, float yaw){
//   String message = "{\"Sensor\": 1, \"roll\":\"" + String(roll) + "\",\"pitch\":\"" + String(pitch) + "\",\"yaw\":\"" + String(yaw) + "\"}";
//   webSocket.sendTXT(message);
// }

const char* getServerURL = "http://145.92.8.132:443/get-ip";
String ipAddress = ""; // string that will hold the server's IP address

/** Fetch the IP address of pepper from the server */
const char* Connectivity::fetchIPAddress() {
  char* ipAddress = NULL; // Declare ipAddress as a char*
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    WiFiClient client;
    http.begin(client, getServerURL); 

    int httpCode = http.GET();
    if (httpCode > 0) {
      if (httpCode == HTTP_CODE_OK) {
        // If successful (code 200), read the response body and parse the IP address
        String response = http.getString();
        StaticJsonDocument<200> doc;
        deserializeJson(doc, response);
        const char* ip = doc["ip"]; // Extract the IP address
        ipAddress = strdup(ip);
      }
    } else {
      Serial.printf("GET request failed, error: %s\n", http.errorToString(httpCode).c_str()); 
    }

    http.end();
  } else {
    Serial.println("WiFi not connected");
  }
  return ipAddress;
}

/** Send a POST request to a server with provided data */
int Connectivity::httpPost(const char *serverAddress, const char *serverSubPath, const unsigned short serverPort,
                          const char *data, const size_t dataLength, const char *contentType)
{
    WiFiClient wifi_client;  // Ensure WiFiClient is declared and initialized
    if (wifi_client.connect(serverAddress, serverPort)) {
        wifi_client.printf("POST %s HTTP/1.1\r\n", serverSubPath);
        wifi_client.printf("Content-Type: %s\r\n", contentType);
        wifi_client.printf("Content-Length: %d\r\n", dataLength);
        wifi_client.printf("Host: %s\r\n\n", serverAddress);
        wifi_client.println(data);
        wifi_client.stop();
        return 0;
    }

    return 1;
}