#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <DHT.h>
#include <Ultrasonic.h>

#define PIR_PIN 2        // Digital pin connected to the PIR motion sensor
#define DHTPIN 4         // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22    // DHT 22 (AM2302)
#define TRIG_PIN 5       // Digital pin connected to the ultrasonic sensor trigger
#define ECHO_PIN 18      // Digital pin connected to the ultrasonic sensor echo
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 32 // OLED display height, in pixels
#define OLED_RESET -1
#define SCREEN_ADDRESS 0x3C // OLED display I2C address

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
DHT dht(DHTPIN, DHTTYPE);
Ultrasonic ultrasonic(TRIG_PIN, ECHO_PIN);

// Project title and team members' names
const char *projectTitle = "REAL TIME AGRICULTURE MONITORING USING IOT";
const char *teamMembers[] ={"SUJITH","KABIL","MUTHUKUMAR","MOHANDOSS"};
const int numTeamMembers = 4;

void setup() {
  Serial.begin(9600);
      pinMode(PIR_PIN, INPUT);
            dht.begin();
                    ultrasonic.setTimeout(2000); // Set timeout value for ultrasonic sensor
                              if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
                                            Serial.println(F("SSD1306 allocation failed"));
                                                              for(;;);
                                                                                  }
                                                                                                        display.clearDisplay();
                                                                                                                              }

                                                                                                                              void loop() {
                                                                                                                                int motion = digitalRead(PIR_PIN); // Read PIR sensor output
                                                                                                                                  float humidity = dht.readHumidity(); // Read humidity from DHT sensor
                                                                                                                                    float temperature = dht.readTemperature(); // Read temperature from DHT sensor
                                                                                                                                      float distance_cm = ultrasonic.read(); // Read distance from ultrasonic sensor

                                                                                                                                        display.clearDisplay();
                                                                                                                                          display.setTextSize(1);
                                                                                                                                            display.setTextColor(SSD1306_WHITE);
                                                                                                                                              display.setCursor(0, 0);
                                                                                                                                                
                                                                                                                                                  // Display project title
                                                                                                                                                    display.println(projectTitle);
                                                                                                                                                      display.display();
                                                                                                                                                        delay(3000); // Delay for visibility
                                                                                                                                                          
                                                                                                                                                            // Display team members' names
                                                                                                                                                              display.clearDisplay();
                                                                                                                                                                display.setCursor(0, 0);
                                                                                                                                                                  for (int i = 0; i < numTeamMembers; i++) {
                                                                                                                                                                      display.print("Member ");
                                                                                                                                                                          display.print(i + 1);
                                                                                                                                                                              display.print(": ");
                                                                                                                                                                                  display.println(teamMembers[i]);
                                                                                                                                                                                    }
                                                                                                                                                                                      display.display();
                                                                                                                                                                                        delay(3000); // Delay for visibility

                                                                                                                                                                                          // Display sensor readings
                                                                                                                                                                                            display.clearDisplay();
                                                                                                                                                                                              display.setCursor(0, 0);
                                                                                                                                                                                                display.println("Motion: " + String(motion ? "Yes" : "No"));
                                                                                                                                                                                                  display.println("Temp: " + String(temperature) + "C");
                                                                                                                                                                                                    display.println("Humidity: " + String(humidity) + "%");
                                                                                                                                                                                                      display.println("Distance: " + String(distance_cm) + " cm");
                                                                                                                                                                                                        display.display();
                                                                                                                                                                                                          delay(3000); // Delay for stability

                                                                                                                                                                                                            // Show animations
                                                                                                                                                                                                              for (int i = 0; i < 3; i++) {
                                                                                                                                                                                                                  // Animation 1: Left to right scrolling dots
                                                                                                                                                                                                                      display.clearDisplay();
                                                                                                                                                                                                                          for (int j = 0; j < SCREEN_WIDTH; j += 2) {
                                                                                                                                                                                                                                display.drawPixel(j, SCREEN_HEIGHT / 2, SSD1306_WHITE);
                                                                                                                                                                                                                                      display.display();
                                                                                                                                                                                                                                            delay(50);
                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                      // Animation 2: Right to left scrolling dots
                                                                                                                                                                                                                                                          display.clearDisplay();
                                                                                                                                                                                                                                                              for (int j = SCREEN_WIDTH; j > 0; j -= 2) {
                                                                                                                                                                                                                                                                    display.drawPixel(j, SCREEN_HEIGHT / 2, SSD1306_WHITE);
                                                                                                                                                                                                                                                                          display.display();
                                                                                                                                                                                                                                                                                delay(50);
                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                                          // Animation 3: Top to bottom scrolling dots
                                                                                                                                                                                                                                                                                              display.clearDisplay();
                                                                                                                                                                                                                                                                                                  for (int j = 0; j < SCREEN_HEIGHT; j += 2) {
                                                                                                                                                                                                                                                                                                        display.drawPixel(SCREEN_WIDTH / 2, j, SSD1306_WHITE);
                                                                                                                                                                                                                                                                                                              display.display();
                                                                                                                                                                                                                                                                                                                    delay(50);
                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                                                                              // Animation 4: Bottom to top scrolling dots
                                                                                                                                                                                                                                                                                                                                  display.clearDisplay();
                                                                                                                                                                                                                                                                                                                                      for (int j = SCREEN_HEIGHT; j > 0; j -= 2) {
                                                                                                                                                                                                                                                                                                                                            display.drawPixel(SCREEN_WIDTH / 2, j, SSD1306_WHITE);
                                                                                                                                                                                                                                                                                                                                                  display.display();
                                                                                                                                                                                                                                                                                                                                                        delay(50);
                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                              }
                                                                                                                                                                                                                                                                                                                                                              }