#include <WiFi.h>
#include <HTTPClient.h>
#include <LiquidCrystal_I2C.h>

HTTPClient http;
LiquidCrystal_I2C lcd(0x27, 16, 2);

String serverName = "https://iot-and-software-erc-oprec2023.glitch.me";
String noticePath = "/api/earthquake-notice-service";
String dataPath = "/api/request-earthquake-data";

String httpGET(String path) {
  String payload = "";
  http.begin(path.c_str());
  int httpResponseCode = http.GET();
  if (httpResponseCode = 200) {
    payload = http.getString();
  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
  }
  http.end();
  return payload;
}

void setup() {
  pinMode(2, OUTPUT);
  pinMode(15, OUTPUT);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("-OPREC ERC 2023-");
  lcd.setCursor(0, 1);
  lcd.print("IoT dan Software");

  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println(" Connected!");

  delay(1000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Monitoring Gempa");
  lcd.setCursor(0, 1);
  lcd.print("Sektor:-");
  lcd.setCursor(10, 1);
  lcd.print("Mag:-");
}

void loop() {
  if(WiFi.status()== WL_CONNECTED){
    Serial.println("Start HTTP GET....")
    if(httpGET(serverName + noticePath).toInt()) {
      String str = httpGET(serverName+dataPath);
      char *cstr = new char [str.length()+1];
      strcpy(cstr, str.c_str());
      lcd.setCursor(7, 1);
      lcd.print(cstr[1]);
      lcd.setCursor(14, 1);
      lcd.print(cstr[3]);
      digitalWrite(2, HIGH);
      tone(15, 1000, 100);
      digitalWrite(2, LOW);
    }
    else {
      digitalWrite(2, LOW);
      lcd.setCursor(7, 1);
      lcd.print("-");
      lcd.setCursor(14, 1);
      lcd.print("-");
    }
  }
  else {
    Serial.println("WiFi Disconnected");
  }
  delay(1000);
}