#include "WiFi.h"
#include <Arduino.h>
#include <HTTPClient.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

Adafruit_SSD1306 display = Adafruit_SSD1306(128, 64, &Wire);

// เชื่อมไลน์
const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* token = "Ik22p3oeD6g6y4RTBhqD8IzPGfIRzOiQRjFbpNvh7wZ";

#include "DHTesp.h"
const int DHT_PIN = 15;
DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  Serial.println("Initializing WiFi...");
  WiFi.mode(WIFI_STA);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextColor(WHITE,BLACK);
  display.setCursor(0, 8);
  display.display();

  WiFi.begin(ssid,password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }

  Serial.println("Hi");
  WiFi.mode(WIFI_STA);
  Serial.println("กดเหี้ยไรก็กด");
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  String f,h;
  f = String(data.temperature, 2);
  h = String(data.humidity, 1);

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

  // ส่งเข้าไลน์
  // sendLineNotify("Temp: " + String(data.temperature, 2) + "°C" + "Humidity: " + String(data.humidity, 1) + "%");

  // ส่งเข้าจอ
  
  display.clearDisplay();
  display.setTextColor(WHITE,BLACK);
  display.setCursor(10, 8);
  display.print("Temp: " + String(data.temperature, 2) + " C    ");
  display.setCursor(10, 21);
  display.print("Humidity: " + String(data.humidity, 1) + " %");
  display.display();

  if(data.temperature > 40){
    sendLineNotify("อุณหภูมิสูงเกินไป: " + String(data.temperature, 2) + "°C                  ");
  }
  if(data.humidity > 40){
    sendLineNotify("ความชื่นสูงเกินไป: " + String(data.humidity, 1) + "%");
  }
  
  delay(1000);
}

void sendLineNotify(String message) {
  HTTPClient http;

  http.begin("https://notify-api.line.me/api/notify");
  http.addHeader("Authorization", "Bearer " + String(token));
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");

  String encodedMessage = "message=" + urlEncode(message);
  int httpCode = http.POST(encodedMessage);

  if (httpCode > 0) {
    String response = http.getString();
   // Serial.println(httpCode);
   // Serial.println(response);
  } else {
    Serial.println("....");
  }

  http.end();
}

String urlEncode(String value) {
  String encodedValue = "";
  char c;
  for (size_t i = 0; i < value.length(); i++) {
    c = value.charAt(i);
    if (isAlphaNumeric(c)) {
      encodedValue += c;
    } else {
      encodedValue += String('%');
      encodedValue += String(c, HEX);
    }
  }
  return encodedValue;
}