#ifndef PWD_MANAGER_H

#define PWD_MANAGER_H

#include<unordered_map>

#include<string>

#include "fileIO.h"

#include<ArduinoJson.h>

#include <ArduinoIoTCloud.h>

#include "ntp.h"

class PasswordManager

{

private:

std::unordered_map<std::string, std::string> userPwdMap;

std::string pwdFileName;

std::string logFileName;

std::string latestLoginMsg; // JSON format {"userName": "xxx", "time": "xxx"}

void updatePwdFile();

void login(const char* userName);

long timeOffset;

public:

PasswordManager();

PasswordManager(const long timeOffset);

void init(const char* pwdFileName, const char* logFileName);

bool verifyPassword(const char* pwd);

bool changePassword(const char* userName, const char* newPwd);

std::string getLatestLoginMsg();

std::string getPassword(const char* userName);

};

#endif