#include <WiFi.h>
#include "DHTesp.h"
#include  <ESP8266WiFi.h>
#include "user_interface.h"
#include "wpa2_enterprise.h"
#include "c_types.h"
#include "ThingSpeak.h"
#include <TridentTD_LineNotify.h>



const int myChannelNumber = 2256783;
const char* myApiKey = "6P0AO3VWVI7F8VTG";
const char* server = "api.thingspeak.com";

#define LINE_TOKEN  "v8X6YgUxlu5ZTx4nGiavXrI61QqD85uQ67mCp5uLDjL"


#ifdef ESP32
#pragma message(THIS EXAMPLE IS FOR ESP8266 ONLY!)
#error Select ESP8266 board.
#endif

extern "C" {

}

// SSID to connect to
char ssid[] = "@UBRU_SMART_WIFI";
char username[] = "[email protected]";
char identity[] = "[email protected]";
char password[] = "1100703198111";

uint8_t target_esp_mac[6] = {0x24, 0x0a, 0xc4, 0x9a, 0x58, 0x28};

DHTesp dht;

const int DHT_PIN = 15;
const int LED_PIN = 13;


void setup()
{
  Serial.begin(115200);
  Serial.println();
  Serial.println("Status\tHumidity (%)\tTemperature (C)\t(F)\tHeatIndex (C)\t(F)");
  String thisBoard = ARDUINO_BOARD;
  Serial.println(thisBoard);
  Serial.println(LINE.getVersion());

  // Autodetect is not working reliable, don't use the following line
  // dht.setup(15);
  // use this instead:
  dht.setup(05, DHTesp::DHT11); // Connect DHT sensor to GPIO 05
  pinMode(LED_PIN, OUTPUT);

  WiFi.mode(WIFI_STA);
  //Serial.begin(115200);
  delay(1000);
  Serial.setDebugOutput(true);
  Serial.printf("SDK version: %s\n", system_get_sdk_version());
  Serial.printf("Free Heap: %4d\n", ESP.getFreeHeap());

  // Setting ESP into STATION mode only (no AP mode or dual mode)
  wifi_set_opmode(STATION_MODE);

  struct station_config wifi_config;

  memset(&wifi_config, 0, sizeof(wifi_config));
  strcpy((char*)wifi_config.ssid, ssid);
  strcpy((char*)wifi_config.password, password);

  wifi_station_set_config(&wifi_config);
  wifi_set_macaddr(STATION_IF, target_esp_mac);


  wifi_station_set_wpa2_enterprise_auth(1);

  // Clean up to be sure no old data is still inside
  wifi_station_clear_cert_key();
  wifi_station_clear_enterprise_ca_cert();
  wifi_station_clear_enterprise_identity();
  wifi_station_clear_enterprise_username();
  wifi_station_clear_enterprise_password();
  wifi_station_clear_enterprise_new_password();

  wifi_station_set_enterprise_identity((uint8*)identity, strlen(identity));
  wifi_station_set_enterprise_username((uint8*)username, strlen(username));
  wifi_station_set_enterprise_password((uint8*)password, strlen((char*)password));


  wifi_station_connect();
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }

  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

  // กำหนด Line Token
  LINE.setToken(LINE_TOKEN);
}

void loop()
{
  delay(dht.getMinimumSamplingPeriod());

  float humidity = dht.getHumidity();
  float temperature = dht.getTemperature();

  Serial.print(dht.getStatusString());
  Serial.print("\t");
  Serial.print(humidity, 1);
  Serial.print("\t\t");
  Serial.print(temperature, 1);
  Serial.print("\t\t");
  Serial.print(dht.toFahrenheit(temperature), 1);
  Serial.print("\t\t");
  Serial.print(dht.computeHeatIndex(temperature, humidity, false), 1);
  Serial.print("\t\t");
  Serial.println(dht.computeHeatIndex(dht.toFahrenheit(temperature), humidity, true), 1);


  TempAndHumidity  data = dht.getTempAndHumidity();
  ThingSpeak.setField(1, data.temperature);
  ThingSpeak.setField(2, data.humidity);

  if (isnan(data.temperature) || isnan(data.humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  if (data.temperature > 35 || data.temperature < 12 || data.humidity > 70 || data.humidity < 40) {
    digitalWrite(LED_PIN, HIGH);
    LINE.notify("อุณหภูมิ ความชื้น เกินกำหนด");
  } else {
    digitalWrite(LED_PIN, LOW);
  }

  int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);

  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");

  if (x == 200) {
    Serial.println("Data pushed successfull");
  } else {
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");

  delay(10000);
}