#include "AccountManager.h"
#include "FileManager.h"
#include "InputValidator.h"
#include "Chat.h"

AccountManager::AccountManager()
{
	CurrentUser = nullptr;
}

AccountManager::~AccountManager()
{
	delete CurrentUser;
	Users.clear();
}

void AccountManager::loadUsers()
{
}

bool AccountManager::loginUser()
{
	string name, password;

	cout << "\tuser name: ";
	cin >> name;
	cout << "\tpassword: ";
	cin >> password;

	for each (Account* acc in Users)
	{
		if (acc->getUserName() == name) {
			if (acc->isPasswordValid(password)) {
				CurrentUser = acc;
				return true;
			}
		}
	}

	cout << "\n\tWrong username or password!" << endl;
	return false;
}

bool AccountManager::registerUser()
{
	string userName, password, email, realName, city, address, birthDate;
	InputValidator iv;

	do {
		cout << "\tEnter Username (required): ";
		getline(cin, userName);
	} while (!iv.isUserNameValid(userName));

	do {
		cout << "\tEnter Password (required): ";
		getline(cin, password);
	} while (!iv.isPasswordValid(password));

	do {
		cout << "\tEnter Email (required): ";
		getline(cin, email);
	} while (!iv.isEmailValid(email));

	do {
		cout << "\tEnter your real name (optional): ";
		getline(cin, realName);
	} while (!iv.isRealNameValid(realName));

	do {
		cout << "\tEnter your birth date (optional): ";
		getline(cin, birthDate);
	} while (!iv.isBirthdateValid(birthDate));

	do {
		cout << "\tEnter the city you are living in (optional): ";
		getline(cin, city);
	} while (!iv.isAddressValid(city));

	do {
		cout << "\tEnter your address (optional): ";
		getline(cin, address);
	} while (!iv.isAddressValid(address));

	for each (Account* acc in Users)
	{
		if (userName == acc->getUserName()) {
			cout << "There is already user with that name!" << endl;
			return false;
		}
	}

	FileManager fm;

	Account* newAccount = new Account(userName, password, email, realName, birthDate, city, address);
	fm.saveUser(newAccount);
	Users.push_back(newAccount);
	CurrentUser = newAccount;

	return true;
}

void AccountManager::previewUser()
{
	cout << "\n\t***********Profile of " << CurrentUser->getUserName() << " ***********" << endl;
}

void AccountManager::previewChats()
{
	vector<Chat*> userChats = CurrentUser->getChats();
	cout << "\tUser chats:" << endl;
	for (int i = userChats.size() - 1; i >= 0; i--)
	{
		cout << "\t--- " << userChats[i]->getChatWith()->getUserName() << endl;
	}
}

bool AccountManager::writeMessage()
{
	cout << "\tEnter the name of the user you want to chat with" << endl;;
	string userName;
	getline(cin, userName);

	if (userName == CurrentUser->getUserName()) {
		cout << "/tYou can't chat your self!\n";
		return false;
	}

	Account* chatWith = nullptr;

	for each (Account* acc in Users)
	{
		if (userName == acc->getUserName()) {
			chatWith = acc;
			break;
		}
	}

	if (chatWith == nullptr) {
		cout << "\tthere is no user with that name!" << endl;
		return false;
	}
	cout << "\tEnter message to " << chatWith->getUserName() << endl;

	string content;
	getline(cin, content);

	for each (Chat* chatOutGoing in CurrentUser->getChats())
	{
		if (chatOutGoing->getChatWith()->getUserName() == chatWith->getUserName()) {
			chatOutGoing->addContent(content);

			for each (Chat* chatInComming in chatWith->getChats())
			{
				if (chatInComming->getChatWith()->getUserName() == CurrentUser->getUserName()) {
					chatInComming->addContent(content);
				}
			}
			cout << "\n\tMessage sent\n\n" << endl;
			return true;
		}
	}

	Chat* newChatOutGoing = new Chat(chatWith);
	Chat* newChatInComming = new Chat(CurrentUser);
	newChatOutGoing->addContent(content);
	newChatInComming->addContent(content);
	CurrentUser->addChat(newChatOutGoing);
	chatWith->addChat(newChatInComming);

	cout << "\n\tMessage sent\n\n" << endl;
	return true;
}

bool AccountManager::readMessage()
{
	cout << "\tEnter the name of the chat you want to read" << endl;;
	string userName;
	cin >> userName;

	for each (Chat* chat in CurrentUser->getChats())
	{
		if (chat->getChatWith()->getUserName() == userName) {
			cout << "\n" << chat->getContent() << "\n";
			return true;
		}
	}

	cout << "\tYou have no chats with that user" << endl;

	return true;
}

void AccountManager::previewFriends()
{
	vector<Account*> friends = CurrentUser->getFriends();
	cout << "\tUser friends:" << endl;
	for each (Account* acc in friends)
	{
		cout << "\t--- " << acc->getUserName() << endl;

	}
}

void AccountManager::searchUser()
{
	cout << "\tEnter name to search for\n";
	string userName;
	bool found = false;
	getline(cin, userName);

	for each (Account* acc in Users)
	{
		int a = acc->getUserName().find_first_of(userName);
		if (a >= 0) {
			cout << "\t---" << acc->getUserName() << endl;
			found = true;
		}
	}

	if (!found) {
		cout << "\tNo users with that name!" << endl;
	}
}