main.cpp

#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>

using namespace std;

int main() {
    srand(time(nullptr));

    int samples = 20;

    double* temperatures = new double[samples];

    // simulates sensor data
    for (int i = 0; i < samples; i++) {
        temperatures[i] = 20 + (rand() % 1500) / 100.0;
    }

    ofstream file("data.json");
    file << "{\n  \"temperatures\": [\n";

    for (int i = 0; i < samples; i++) {
        file << "    " << temperatures[i];
        if (i < samples - 1) file << ",";
        file << "\n";
    }

    file << "  ]\n}";
    file.close();

    delete[] temperatures;

    cout << "Data successfully generated.\n";
    return 0;
}