User.cpp

//
// Created by matin on 12/30/25.
//

#include "User.h"
#include "LocalUser.h"
#include <sstream>
#include <iostream>

User::User(int id, const string& user, const string& name, const string& pass,const Date& birth, const Date& join): userId(id), username(user), fullName(name), password(pass),birthdate(birth), joinDate(join) {}

string User::getBasicInfo() const {
    return "ID: " + to_string(userId) + ", Username: " + username + ", Name: " + fullName;
}

void User::validateFullName(const string& name) {
    if (name.length() < 3) {
        throw SignUpException("Full name must be at least 3 characters long");
    }
    for (char c : name) {
        if (!isalpha(c) && c != ' ') {
            throw SignUpException("Full name can only contain letters and spaces");
        }
    }
}

void User::validateUsername(const string& name) {
    if (name.length() < 3) {
        throw SignUpException("Username must be at least 3 characters long");
    }
    for (char c : name) {
        if (!isalnum(c) && c != '_') {
            throw SignUpException("Username can only contain letters, numbers, and underscores");
        }
    }
}

void User::validatePassword(const string& pass) {
    if (pass.length() < 8) {
        throw SignUpException("Password must be at least 8 characters long");
    }
}

void User::validateBirthdate(const string& date) {
    if (date.length() != 10) {
        throw SignUpException("Birthdate must be in format YYYY-MM-DD");
    }
    if (date[4] != '-' || date[7] != '-') {
        throw SignUpException("Birthdate must be in format YYYY-MM-DD");
    }
}

string User::serialize() const {
    return to_string(userId) + "|" + username + "|" + fullName + "|" +birthdate.toString() + "|" + password + "|" + joinDate.toString();
}

User* User::deserialize(const string& line) {
    istringstream iss(line);
    string token;
    vector<string> tokens;

    while (getline(iss, token, '|')) {
        tokens.push_back(token);
    }
    if (tokens.size() < 6) {
        throw FileIOException("Invalid user data format in file");
    }
    int id = stoi(tokens[0]);
    string username = tokens[1];
    string fullName = tokens[2];
    Date birthdate = Date::fromString(tokens[3]);
    string password = tokens[4];
    Date joinDate = Date::fromString(tokens[5]);
    return new LocalUser(id, username, fullName, password, birthdate, joinDate);
}