Optimization-function/optimization-function.cpp at main · ngondoue/Optimization-function · GitHub

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#include <iostream>
#include <algorithm>
using namespace std;

static vector<Device> rankDevices(vector<Device> devices) {
    sort(devices.begin(), devices.end(), [](Device& a, Device& b) {
        return a.getEnergyConsumed() > b.getEnergyConsumed();
    });
    return devices;
}

void optimizeEnergy(vector<Device>& devices, double threshold) {
    if (devices.empty()) {
        cout << "\n[!] No devices found. Please add devices first.\n";
        return;
    }

     cout << "\n╔══════════════════════════════════════════╗" << endl;
    cout << "║
      ENERGY OPTIMIZATION REPORT
║" << endl;
    cout << "╚══════════════════════════════════════════╝" << endl;
    cout << "  Threshold per device: " << threshold << " kWh/day\n" << endl;
    int warningCount = 0;
    //
── Per-device analysis ──────────────────────────────────
    for (Device& d : devices) {
        double consumption = d.getEnergyConsumed();
        cout << "--------------------------------------------" << endl;
        cout << "Device       : " << d.name                   << endl;
        cout << "Power Rating : " << d.powerRating << " kW"   << endl;
        cout << "Hours/Day    : " << d.hoursUsed   << " hrs"  << endl;
        cout << "Consumption  : " << consumption   << " kWh/day" << endl;
        if (consumption > threshold) {
            double excess        = consumption - threshold;
            double safeHours     = threshold / d.powerRating;

             cout << "Status       : *** HIGH CONSUMPTION ***"    << endl;
            cout << "Recommendation:" << endl;
            cout << "  -> Exceeds threshold by " << excess << " kWh/day." << endl;
            cout << "  -> Reduce daily use to " << safeHours
                 << " hrs/day to stay within limit." << endl;
            warningCount++;
        } else {
            cout << "Status       : OK — within safe range"      << endl;
        }
        cout << endl;
    }
    //
── Summary banner ───────────────────────────────────────
    cout << "============================================" << endl;
    cout << "  SUMMARY" << endl;
    cout << "============================================" << endl;
    if (warningCount == 0) {
        cout << "  All devices are within the recommended threshold." << endl;
        cout << "  Great job! No changes needed." << endl;
    } else {
        cout << "  " << warningCount << " device(s) exceed the threshold." << endl;
        cout << "  See recommendations above to reduce consumption." << endl;
    }

     cout << "\n  Devices ranked by consumption (highest first):" << endl;
    cout << "  ------------------------------------------------" << endl;
    vector<Device> ranked = rankDevices(devices);
    int rank = 1;
    for (Device& d : ranked) {
        cout << "  " << rank++ << ". " << d.name
             << " — " << d.getEnergyConsumed() << " kWh/day";
        if (d.getEnergyConsumed() > threshold)
            cout << "  [!]";
        cout << endl;
    }
    cout << "============================================\n" << endl;

}