#include <iostream>
#include <functional>
#include <thread>

using namespace std;

class Pet {

public:
    Pet() : Pet("Unnamed", 0) {
        cout << "Pet default constructor" << endl;
    }

    Pet(string name, int age) : mName(name), mBirthTime(time(NULL) - age) {
    }

    Pet(const Pet& p) {
        mBirthTime = time(NULL);
        mName = p.getName() + " child";
        cout << "Pet copy constructor" << endl;
    }

    string &getName() const {
        return mName;
    }

    void setName(string name) {
        mName = name;
    }

    int age() {
        return time(NULL) - mBirthTime;
    }

    void printDossier() {
        cout << "\tName: " << mName << endl
             << "\tBirth Day: " << asctime(localtime(&mBirthTime)) << endl;
    }

    void sendTo(int lon, int lat, function<void(int, Pet*)> callback) {
        mCallbackGo = callback;
        // start in new thread
        mThread = new thread( [&] {
            startGoTo(lon, lat);
        });
    }

    void startGoTo(int lon, int lat) {
        // TODO
        this_thread::sleep_for(chrono::seconds(3)); // simulate long process
        int status = rand();
        if (mCallbackGo) mCallbackGo(status, this);
    }

    ~Pet() {
        cout << "Pet destructor" << endl;
        if (mThread) delete mThread;
    }

private:
    string mName;
    time_t mBirthTime;
    function<void(int, Pet*)> mCallbackGo = nullptr;
    thread *mThread = nullptr;
};

int main()
{
    Pet pet;
    Pet pet2 = pet;
    pet2.setName("NewName");

    pet.sendTo(3, 4, [] {
        cout << endl <<"Pet " << p->getName() << " finished "
             << "with status " << status << endl << endl;
    });

    this_thread::sleep_for(chrono::seconds(5));

    cout << "Pet 1:" << endl;
    pet.printDossier();
    cout << endl << endl;

    cout << "Pet 2:" << endl;
    pet2.printDossier();

    return 0;
}