#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6ZH-r9bBC"
#define BLYNK_TEMPLATE_NAME "15ICT048"
#define BLYNK_AUTH_TOKEN "A8RhCtNHIGAqkBW7Ple_tyVSRB0usbgc"

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>

// WiFi and Blynk credentials
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; 
char pass[] = ""; 

// Define LCD (I2C address 0x27, 16 columns, 2 rows)
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Servo and Buzzer
#define SERVO_PIN 4
#define BUZZER_PIN 5

Servo servo;

// Happiness and sadness levels
int happiness = 50;
int sadness = 50;

void setup() {
    Serial.begin(115200);
    Serial.println("Initializing...");

    // Initialize LCD
    lcd.init();
    lcd.backlight();

    // Initialize Servo
    servo.attach(SERVO_PIN);
    servo.write(0); // Initial position (cage closed)

    // Initialize Buzzer
    pinMode(BUZZER_PIN, OUTPUT);
    digitalWrite(BUZZER_PIN, LOW);

    // Display initial message
    lcd.setCursor(0, 0);
    lcd.print("Animal Feed Game");
    delay(2000);
    lcd.clear();
    updateLCD();

    // Connect to Wi-Fi
    connectToWiFi();

    // Connect to Blynk
    connectToBlynk();
}

void connectToWiFi() {
    Serial.println("Connecting to Wi-Fi...");
    WiFi.begin(ssid, pass);
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    Serial.println("\nWi-Fi connected!");
    Serial.println("IP address: " + WiFi.localIP());
}

void connectToBlynk() {
    Serial.println("Connecting to Blynk...");
    Blynk.begin(auth, ssid, pass);
    if (Blynk.connected()) {
        Serial.println("Connected to Blynk!");
    } else {
        Serial.println("Failed to connect to Blynk.");
    }
}

// Start Button (V1)
BLYNK_WRITE(V1) {
    happiness = max(0, happiness - 10);
    sadness = min(100, sadness + 10);
    updateLCD();
    checkConditions();
}

// Feed Button (V2)
BLYNK_WRITE(V2) {
    happiness = min(100, happiness + 10);
    sadness = max(0, sadness - 10);
    updateLCD();
    checkConditions();
}

// Energy Button (V3)
BLYNK_WRITE(V3) {
    happiness = max(0, happiness - 10);
    sadness = min(100, sadness + 10);
    updateLCD();
    checkConditions();
}

// Update LCD display with happiness and sadness levels
void updateLCD() {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Happy: ");
    lcd.print(happiness);
    lcd.setCursor(0, 1);
    lcd.print("Sad: ");
    lcd.print(sadness);
}

// Check conditions and trigger alarms
void checkConditions() {
    if (happiness >= 100) {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Max Happiness!");
        servo.write(90); // Open cage
        Blynk.logEvent("pet_freed", "Pet is Free! Happiness at max!");
        delay(2000);
        updateLCD();
    }
    if (sadness >= 100) {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Danger: Sad 100!");
        digitalWrite(BUZZER_PIN, HIGH); // Activate buzzer
        Blynk.logEvent("sadness_alert", "ALARM! Sadness at 100!");
    } else {
        digitalWrite(BUZZER_PIN, LOW); // Deactivate buzzer
    }
}

void loop() {
    // Reconnect to Wi-Fi if disconnected
    if (WiFi.status() != WL_CONNECTED) {
        Serial.println("Wi-Fi disconnected. Reconnecting...");
        connectToWiFi();
    }

    // Reconnect to Blynk if disconnected
    if (!Blynk.connected()) {
        Serial.println("Blynk disconnected. Reconnecting...");
        connectToBlynk();
    }

    Blynk.run(); // Run Blynk
}