#include<iostream>
#include<string>
#include<fstream>
#include<vector>

const char FILE_NAME[] = "file.txt"; //kude se namira faila

class Entity {
    std::string name;
    size_t id;
    std::string password;
public:
    Entity() { name = ""; id = 0; password = ""; }
    Entity(const std::string& _name, size_t id, const std::string& _pass) { name = _name; this->id = id; password = _pass; }

    std::string getPass() const { return this->password; }

    std::string getName() const { return this->name; }

    void print() const { std::cout << this->name << " " << this->id << " " << this->password << '\n'; }

    size_t getID() const { return this->id; }

    ~Entity() { };
};

void saveEntityToFile(const char* location, const Entity& toSave) {
    std::ofstream outFile(location, std::ios::app);

    if (outFile.bad())
        return;
    //zapisvam: ime " " ID " " pass "\n"
    outFile << toSave.getName() << " " << toSave.getID() << " " << toSave.getPass() << '\n';

    outFile.close();
}

Entity readEntityFromFile(const char* info) {
    char nName[1024]; //pole za novo ime
    size_t ID = 0; //pole za ID
    char nPass[1024]; //pole za pass

    int ind = 0; //index na info

    int nInd = 0; //index na name

    int pInd = 0; //index na pass

    while (info[ind] != ' ') //dokato ne stigna " " (poneje taka razdelqm dannite vuv faila na zapisvaneto) kopiram
        nName[nInd++] = info[ind++];

    nName[nInd] = '\0';
    ind++; //skipvam praznoto prostranstvo na koeto sum vmomenta i produljavam da cheta

    while (info[ind] != ' ') {
        ID *= 10;
        ID += info[ind++] - '0';
    }
    ind++;

    while (info[ind] != '\0')//\0 zashtoto e posledniq element i nqma " " a '\0'
        nPass[pInd++] = info[ind++];
    nPass[pInd] = '\0';

    return Entity(nName, ID, nPass); //vrushtam kopie ot zapisanoto entity
}

int main() {
    Entity test("Entity1", 1234, "Password");
    saveEntityToFile(FILE_NAME, test);


    Entity test2("Entity2", 5679, "Password2");
    saveEntityToFile(FILE_NAME, test2);


    Entity test3("Entity3", 1357, "Password3");
    saveEntityToFile(FILE_NAME, test3);

    std::ifstream inFile(FILE_NAME); //otvarqm fail

    if (inFile.bad())
        return 0;

    std::vector<Entity> data; //vektor kudeto shte pazq dannite

    while (!inFile.eof()) {
        char buff[1024]; //char masiv v koito shte zapisvam redovete na faila(1 red = 1 entity)

        inFile.getline(buff, 1024);//getline vzema reda

        Entity readedEntity = readEntityFromFile(buff); //cheta

        if (strlen(buff) != 0)//poneje naktaq imam nov red koito pak go chete getlaina prosto kato ""
            data.push_back(readedEntity); //push
    }

    for (auto _val : data) //za vseki element vuv vektora izpulnqva koda po - dolu. dosta polezno e da se znae ako rabotish s std::vector
        _val.print();

    inFile.close();

}