// #include <SPI.h>
// #include <Wire.h>
// #include <Adafruit_GFX.h>
// #include <Adafruit_SSD1306.h>

// #define SCREEN_WIDTH 128 // OLED display width, in pixels
// #define SCREEN_HEIGHT 64 // OLED display height, in pixels

// #define SPEAKER_PIN 10

// #define TRIGGER_PIN 15
// #define ECHO_PIN 23

// #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
// #define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
// Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// float measureDistance() {
//   // Kirim pulsa trigger
//   digitalWrite(TRIGGER_PIN, LOW);
//   delayMicroseconds(2);
//   digitalWrite(TRIGGER_PIN, HIGH);
//   delayMicroseconds(10);
//   digitalWrite(TRIGGER_PIN, LOW);

//   // Hitung durasi pulsa echo
//   long duration = pulseIn(ECHO_PIN, HIGH);

//   // Konversi durasi menjadi jarak (cm)
//   float distance = duration * 0.034 / 2; // Kecepatan suara 340 m/s
//   return distance;
// }


// void setup() {
//   Serial.begin(115200);

//   // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
//   if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
//     Serial.println("SSD1306 allocation failed");
//     for(;;); // Don't proceed, loop forever
//   }

//   // Inisialisasi pin trigger dan echo
//   pinMode(TRIGGER_PIN, OUTPUT);
//   pinMode(ECHO_PIN, INPUT);

//   // Show initial display buffer contents on the screen --
//   // the library initializes this with an Adafruit splash screen.
//   display.display();
//   delay(2000); // Pause for 2 seconds

//   // Clear the buffer
//   display.clearDisplay();

//   // Show the display buffer on the screen. You MUST call display() after
//   // drawing commands to make them visible on screen!
//   display.display();
//   delay(2000);
// }

// void loop() {
//   // Clear the buffer
//   display.clearDisplay();

//   // Mengukur jarak
//   float distance = measureDistance();
//   Serial.print("Distance: ");
//   Serial.print(distance);
//   Serial.println(" cm");

//   // Tampilkan teks di layar OLED
//   display.setTextSize(1);              // Ukuran teks
//   display.setTextColor(SSD1306_WHITE); // Warna teks
//   display.setCursor(10, 1);           // Posisi teks (x, y)
//   display.println("Distance: " + String(distance) + " cm"); // Teks yang ditampilkan
//   display.setCursor(10, 10);           // Posisi teks (x, y)

//   // Logika status berdasarkan jarak
//   if (distance <= 50) {
//     Serial.println("BAHAYA");
//     display.println("BAHAYA"); // Teks yang ditampilkan

//   } else if (distance <= 100) {
//     Serial.println("WASPADA");
//     display.println("WASPADA"); // Teks yang ditampilkan

//   } else if (distance <= 200) {
//     Serial.println("SIAGA");
//     display.println("SIAGA"); // Teks yang ditampilkan

//   } else {
//     Serial.println("AMAN");
//     display.println("AMAN"); // Teks yang ditampilkan
//   }

//   display.display();

//   // Delay untuk stabilitas pembacaan
//   delay(100);
// }
//////////////////////////////////////////////

// #define BLYNK_TEMPLATE_ID "TMPL6sDID37q0"
// #define BLYNK_TEMPLATE_NAME "PIR"
// #define BLYNK_AUTH_TOKEN "FwR_kqG8Xhq4rY7BYTMlzOvgCJvGU3dP"
// #include <WiFiClient.h>
// #include <BlynkSimpleEsp32.h>
// Blynk@wokwi:ff31ef6c8e4f64cd5acd23b415d84f7e5555fc1f

#include <ArduinoJson.h>
#include "RTClib.h"
#include "time.h"
#include <Timezone.h>
#include "icon.h"
#include <WiFiClientSecure.h>
#include <WiFiClient.h>
#include <WiFi.h>
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <HttpClient.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

#define SPEAKER_PIN 10
#define TRIGGER_PIN 15
#define ECHO_PIN 23

WiFiClient wifiClient;
HttpClient http;  //Object of class HTTPClient

// Timing-related variables
time_t UTCtime;
time_t nowUTC;
time_t nowLocal;

// Timezone rules for GMT+7 (Jakarta, Bangkok, Hanoi)
TimeChangeRule WIB = {"WIB", Last, Sun, Mar, 1, 420}; // Waktu Indonesia Barat 7x60=420
TimeChangeRule GMT = {"GMT", Last, Sun, Oct, 2, 0};   // Standard Time
Timezone ID(WIB, GMT);

// Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 
const char* ssid = "Wokwi-GUEST";      // Hostpot name
const char* password = "";  //wifi password
String apiKey = "289d691821ba2fa55ac4affb7065be20";       //openweather apikey
String city = "1648580";              //City name
String units = "metric";              //or standart, imperial
String payload; 
int wifi_stat = 0;
int wifiIcon = LOW; 

const char* weather_0_main;
const char* weather_0_icon;
float main_temp = 0;
int main_humidity = 0;
String weatherr;
String Icon;
long dt;
String date_time;
unsigned long previousMillis_1 = 0;  
const long interval_1 = 30000; //interval time HTTP req 

void setup () {
  Serial.begin(115200);
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); 
  }
  display.display(); //adafruit logo
  delay(2000); // Pause for 2 seconds
  display.clearDisplay();

  // just intro
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(45,20);  display.println(F("OpenWeatherMap"));
  display.setTextSize(1);
  display.setCursor(15,40);  display.println(F("Current Weather"));
  display.display();
  delay(1000); 
  display.clearDisplay();
  WiFi.mode(WIFI_STA); 
  //ConnectWIFI();
  delay(1000);
}
 
void loop() {
  unsigned long currentMillis_1 = millis();
  DisplayUpdate();
    
  if (currentMillis_1 - previousMillis_1 >= interval_1) {
    previousMillis_1 = currentMillis_1; 
    req_data();
  } 
}

void req_data(){
  if (WiFi.status() == WL_CONNECTED) { //Check WiFi connection status
      String address;
      // http://api.openweathermap.org/data/2.5/weather?id=1642911&appid=289d691821ba2fa55ac4affb7065be20
      // idn code 1642911
      address = "api.openweathermap.org/data/2.5/weather?id=";
      address += city;
      address += "&appid="; 
      address += apiKey ;
      
      http.begin(wifiClient, address);// get the result (*the error code*)
          
      // HTTPClient http; 
      // http.begin(URL + "lat=" + lat + "&lon=" + lon + "&units=metric&appid=" + apiKey);  //Specify request destination
      int httpCode = http.GET();//Send the request
      
       
      if (httpCode > 0) { //Check the returning code               
          payload = http.getString();   //Get the request response payload
          Serial.println(payload);      //Print the response payload
      }
     
      http.end();   //Close connection
      const size_t capacity = JSON_ARRAY_SIZE(1) + 2*JSON_OBJECT_SIZE(1) + 2*JSON_OBJECT_SIZE(2) + JSON_OBJECT_SIZE(3) + JSON_OBJECT_SIZE(4) + JSON_OBJECT_SIZE(8) + JSON_OBJECT_SIZE(14) + 290;
       
      DynamicJsonDocument doc(capacity);
      
      // Deserialize the JSON document
      DeserializationError error = deserializeJson(doc, payload);
      
      // Test if parsing succeeds.
      if (error) {
        Serial.print(F("deserializeJson() failed: "));
        Serial.println(error.c_str());
        return;
      }
      
     JsonObject weather_0 = doc["weather"][0];
     weather_0_main = weather_0["main"];
     weather_0_icon = weather_0["icon"];
     Icon = String(weather_0_icon);
     weatherr =String(weather_0_main);
     
     JsonObject main = doc["main"];
     main_temp = main["temp"];
     main_humidity = main["humidity"];  
     nowUTC = doc["dt"];
     char buff[20];
     nowLocal = ID.toLocal(nowUTC);
     
     //Print Data 
     Serial.println("Current Weather");
     Serial.println(datetimestring(buff, nowLocal));
     Serial.print(weather_0_main);Serial.print(", Temp: ");
     Serial.print(main_temp);Serial.print(", Hum:");
     Serial.print(main_humidity); Serial.println();
    }else{
         ConnectWIFI();
    }
} 

char * datetimestring(char * dest, DateTime datetime) {
  static const char datetimeTemplate[] PROGMEM = "YY/MM/DD hh:mm"; //stored in PROGMEM to save space in ram // YYYY/MM/DD hh:mm:ss
  strcpy_P(dest, datetimeTemplate); //copy template to buffer
  return (datetime.toString(dest));
}
void DisplayUpdate(){
  int x_cursor;
  int TextSize;
  char buff[20];
  display.clearDisplay(); 
 
  checkWIFI();
   if (wifi_stat == 0){
      // if the LED is off turn it on and vice-versa:
      //Serial.println(F(" Wifi Not Connected"));
      display.setTextSize(1);
      display.setCursor(2,24); display.print("Connecting ...");
      if (wifiIcon == LOW) {
      display.drawBitmap(108, 2, wifi_icon, 16, 16, WHITE);
      wifiIcon = HIGH;
      } else {
      display.drawBitmap(108, 2, wifi_icon, 16, 16, BLACK);
      wifiIcon = LOW;
      }
      
    }else{
      display.drawBitmap(106, 2, wifi_icon, 16, 16, WHITE);
      //display variable
      display.setTextColor(WHITE);
      display.setTextSize(1);
      //display.setCursor(80,40);display.print(humNow); display.println(" %");
      display.setCursor(64,56);display.println(city);
      display.setCursor(64,40);display.println(weatherr);
      display.setCursor(0,2);display.println(datetimestring(buff, nowLocal));
      display.setTextSize(2);
      display.setCursor(64,24); display.print(main_temp);//display.println(" C");
      DisplayBitmap();
    }
    display.display();
    delay(600);
  
}
void DisplayBitmap(){
  if (Icon=="01d"){
    display.drawBitmap(0, 0, d01, 64, 64, WHITE);
  }
  else if (Icon=="01n"){
    display.drawBitmap(0, 0, n01, 64, 64, WHITE);
  }
  else if (Icon=="02n"){
    display.drawBitmap(0, 0, n02, 64, 64, WHITE);
  }
  else if (Icon=="02d"){
    display.drawBitmap(0, 0, d02, 64, 64, WHITE);
  }
  else if ((Icon=="03d")||(Icon=="03n")){
    display.drawBitmap(0, 0, Clouds, 64, 64, WHITE);
  }
  else if ((Icon=="04d")||(Icon=="04n")){
    display.drawBitmap(0, 0, Broken_clouds, 64, 64, WHITE);
  }
  else if ((Icon=="09d")||(Icon=="09n")){
    display.drawBitmap(0, 0,  Shower_rain, 64, 64, WHITE);
  }
  else if ((Icon=="10d")||(Icon=="10n")){
    display.drawBitmap(0, 0, Rain, 64, 64, WHITE);
  }
  else if ((Icon=="11d")||(Icon=="11n")){
    display.drawBitmap(0, 0, Thunderstorm, 64, 64, WHITE);
  }
  else if ((Icon=="13d")||(Icon=="13n")){
    display.drawBitmap(0, 0, Snow, 64, 64, WHITE);
  }
  else if ((Icon=="50d")||(Icon=="50n")){
    display.drawBitmap(0, 0, Mist, 64, 64, WHITE);
  }
  else{
    display.drawBitmap(0, 0, Unknows, 32, 32, WHITE);
  } 
}

void checkWIFI(){
  if(WiFi.status() == WL_CONNECTED){
    wifi_stat=1;
  }else{
    wifi_stat=0;
  }
}

void ConnectWIFI(){
  if(WiFi.status() != WL_CONNECTED){
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    WiFi.begin(ssid, password);
    int i=0;
    while(WiFi.status() != WL_CONNECTED){ 
      Serial.print(".");
      delay(1000); 
      ++i;
      if (i==30){
        i=0;
        Serial.println("\n Failed to Connect.");
        break;
        }    
    } 
    if (WiFi.status() == WL_CONNECTED){
      Serial.println("\nConnected.");
      wifi_stat=1;
    }
  }
}