#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>

// Define LDR thresholds for different light frequencies
#define HIGH_THRESHOLD 700
#define MEDIUM_THRESHOLD 500
#define LOW_THRESHOLD 300

// Base class for sensor
typedef struct {
    int value; // simulated LDR sensor value
} Sensor;

// Derived class for RGB LED
typedef struct {
    Sensor sensor; // inherits from Sensor
    bool green;
    bool orange;
    bool red;
} RGB_LED;

// Derived class for Buzzer
typedef struct {
    Sensor sensor; // inherits from Sensor
    bool active;
} Buzzer;

// Function to initialize RGB LED
void RGB_LED_init(RGB_LED *led) {
    led->green = false;
    led->orange = false;
    led->red = false;
}

// Function to initialize Buzzer
void Buzzer_init(Buzzer *buzzer) {
    buzzer->active = false;
}

// Function to read LDR sensor value
int read_ldr_sensor() {
    // Simulated LDR sensor reading
    return rand() % 1024; // Random value between 0 and 1023
}

// Function to update RGB LED based on sensor value
void update_rgb_led(RGB_LED *led, int value) {
    if (value >= HIGH_THRESHOLD) {
        led->green = true;
        led->orange = false;
        led->red = false;
    } else if (value >= MEDIUM_THRESHOLD) {
        led->green = false;
        led->orange = true;
        led->red = false;
    } else {
        led->green = false;
        led->orange = false;
        led->red = true;
    }
}

// Function to update Buzzer based on sensor value
void update_buzzer(Buzzer *buzzer, int value) {
    if (value >= HIGH_THRESHOLD) {
        buzzer->active = true;
    } else {
        buzzer->active = false;
    }
}

// Function to simulate device operation
void operate_device(RGB_LED *led, Buzzer *buzzer) {
    int sensor_value;
    while (true) {
        // Read sensor value
        sensor_value = read_ldr_sensor();

        // Update RGB LED
        update_rgb_led(led, sensor_value);

        // Update Buzzer
        update_buzzer(buzzer, sensor_value);

        // Print sensor value and LED/Buzzer status
        printf("Sensor Value: %d\n", sensor_value);
        printf("Green LED: %s, Orange LED: %s, Red LED: %s\n",
               led->green ? "ON" : "OFF",
               led->orange ? "ON" : "OFF",
               led->red ? "ON" : "OFF");
        printf("Buzzer: %s\n", buzzer->active ? "ON" : "OFF");
        printf("--------------------------\n");

        // Wait for some time before reading sensor again
        delay(1000);
    }
}

int main() {
    // Initialize RGB LED and Buzzer
    RGB_LED led;
    Buzzer buzzer;
    RGB_LED_init(&led);
    Buzzer_init(&buzzer);

    // Operate the device
    operate_device(&led, &buzzer);

    return 0;
}