validation.cpp

#include <algorithm>
#include "validation.hpp"

std::string getErrorMessage(ErrorCode code) {
    switch (code) {
    case ErrorCode::Ok:
        return "Ok";
        break;
    case ErrorCode::PasswordNeedsAtLeastNineCharacters:
        return "Password needs to have at least nine characters";
    case ErrorCode::PasswordNeedsAtLeastOneNumber:
        return "Password needs to have at least one number";
    case ErrorCode::PasswordNeedsAtLeastOneSpecialCharacter:
        return "Password needs to have at least one special character";
    case ErrorCode::PasswordNeedsAtLeastOneUppercaseLetter:
        return "Password needs to have at least one uppercase letter";
    case ErrorCode::PasswordsDoNotMatch:
        return "Passwords do not match";
    }
    return "-1";
}

bool doPasswordsMatch(std::string p1, std::string p2) {
    if (p1.empty() and p2.empty()) {
        return true;
    }
    if (p1.empty() or p2.empty()) {
        return false;
    }
    if (!p1.compare(p2)) {
        return true;
    } else {
        return false;
    }
}

ErrorCode checkPasswordRules(std::string p) {
    if (p.length() < 9) {
        return ErrorCode::PasswordNeedsAtLeastNineCharacters;
    } else if (!std::any_of(p.begin(), p.end(), ::isdigit)) {
        return ErrorCode::PasswordNeedsAtLeastOneNumber;
    } else if (std::all_of(p.begin(), p.end(), ::isalnum)) {
        return ErrorCode::PasswordNeedsAtLeastOneSpecialCharacter;
    } else if (!std::any_of(p.begin(), p.end(), ::isupper)) {
        return ErrorCode::PasswordNeedsAtLeastOneUppercaseLetter;
    } else {
        return ErrorCode::Ok;
    }

    // int max = 6;
    // int min = 2;
    // int randNum = rand() % (max - min + 1) + min;

    // ErrorCode forRandomPurpose[] = {
    //   ErrorCode::Ok, ErrorCode::PasswordNeedsAtLeastNineCharacters,
    //   ErrorCode::PasswordNeedsAtLeastOneNumber,
    //    ErrorCode::PasswordNeedsAtLeastOneSpecialCharacter,
    //    ErrorCode::PasswordNeedsAtLeastOneUppercaseLetter};
    // ErrorCode randomError = forRandomPurpose[randNum];
    // return randomError;
}

ErrorCode checkPassword(std::string p1, std::string p2) {
    if (doPasswordsMatch(p1, p2)) {
        return checkPasswordRules(p1);
    } else {
        return ErrorCode::PasswordsDoNotMatch;
    }
}