#include <ESP8266HTTPClient.h>
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <Servo.h>
#include <DHT.h>
#define DHTPIN D2
#define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE);


Servo myservo;


// Replace with your network credentials
const char* ssid = "<wifi name>";
const char* password = "<password>";


const int output = D2;
const int FAN_PIN = D6;
const int LED_PIN = D7;



String sliderValue = "0";
String fanSpeedValue = "0";
String ledstatus ="off";


const char* PARAM_INPUT = "value";


// Create AsyncWebServer object on port 80
AsyncWebServer server(80);

void setup(){
  pinMode(LED_PIN, OUTPUT);
  pinMode(FAN_PIN, OUTPUT);


  myservo.attach(D3);

  // Serial port for debugging purposes
Serial.begin(9600);

  analogWrite(output, sliderValue.toInt());
  analogWrite(FAN_PIN, fanSpeedValue.toInt());
  // Connect to WiFi
  WiFi.begin(ssid, password);

  // while wifi not connected yet, print '.'
  // then after it connected, get out of the loop
  while (WiFi.status() != WL_CONNECTED) {
     delay(500);
     Serial.print("connecting !.");
  }
  //print a new line, then print WiFi connected and the IP address
  Serial.println("");
  Serial.println("WiFi connected");
  // Print the IP address
  Serial.println(WiFi.localIP());


  // Route for root / web page
  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
    request->send(200, "text/plain", "seems okay");
  });

  // Send a GET request to <ESP_IP>/slider?value=<inputMessage>
  server.on("/fan", HTTP_GET, [] (AsyncWebServerRequest *request) {
    String inputMessage;

    // GET input1 value on <ESP_IP>/slider?value=<inputMessage>
    if (request->hasParam("speed")) {
      inputMessage = request->getParam("speed")->value();
      fanSpeedValue = inputMessage;
      // analogWrite(fanSpeed, fanSpeedValue.toInt());
        analogWrite(FAN_PIN, fanSpeedValue.toInt());
    }
    else {
      inputMessage = "No message sent";
    }
    Serial.println(inputMessage);

    request->send(200, "text/plain", "Ok");
  });

server.on("/light", HTTP_GET, [] (AsyncWebServerRequest *request) {
    String inputMessage;

    // GET input1 value on <ESP_IP>/slider?value=<inputMessage>
    if (request->hasParam("status")) {
      inputMessage = request->getParam("status")->value();
      ledstatus = inputMessage;
      // analogWrite(fanSpeed, fanSpeedValue.toInt());
      if(ledstatus == "on"){
         digitalWrite(LED_PIN, HIGH);
         }
      else{
          digitalWrite(LED_PIN, LOW);    // Turn LED off
      }
    }
    else {
      inputMessage = "No message sent";
    }
    Serial.println(inputMessage);

    request->send(200, "text/plain", "Ok");
  });

  server.on("/open", HTTP_GET, [] (AsyncWebServerRequest *request) {

    String inputMessage;
    myservo.write(180);

    request->send(200, "text/plain", "Opened");
  });
  server.on("/close", HTTP_GET, [] (AsyncWebServerRequest *request) {
    String inputMessage;
    myservo.write(-180);


    request->send(200, "text/plain", "Closed");
  });
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");

  // Start server
  server.begin();
}

void loop() {
  float t = dht.readTemperature();
  float h = dht.readHumidity();
  //  float t = 23;
  // float h = 34;
  Serial.print("Temperature = ");
  Serial.println(t);
  Serial.print("Humidity = ");
  Serial.println(h);

  if (WiFi.status() == WL_CONNECTED) {
     WiFiClient client;
     HTTPClient http;
    String url = "<YOUR SERVER ADDRESS>/api/sensor?temperature=" + String(t) + "&humidity=" + String(h);
    http.begin(client, url);
    int httpCode = http.GET();
    if (httpCode > 0) {
      Serial.printf("[HTTP] GET... code: %d\n", httpCode);
    } else {
      Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
    }
    http.end();
  }

  delay(5000);
}