package me.zacharias.bank;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.io.Console;
import java.io.File;
import java.util.UUID;

import static me.zacharias.bank.Utils.*;

public class Main {
    User user;

    public static void main(String[] args) {
        {
            String username = "theo";
            String user = SHA256(username);
            File userFile = new File("./users/" + user + ".json");
            
            if (!userFile.exists()) {
                
                User u = new User(username);
                u.createAccount("Konto");
                Account a = u.getAccount("Konto");
                a.DepositTransaction(100, "Deposit", UUID.randomUUID());
                
                String json = gson.toJson(u);
                try {
                    WriteFile(userFile, Encrypt(json, "pass"));
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }
        
        {
            String username = "user";
            String user = SHA256(username);
            File userFile = new File("./users/" + user + ".json");
            
            if (!userFile.exists()) {
                
                User u = new User(username);
                u.createAccount("Konto");
                Account a = u.getAccount("Konto");
                a.DepositTransaction(100, "Deposit", UUID.randomUUID());
                
                String json = gson.toJson(u);
                try {
                    WriteFile(userFile, Encrypt(json, "pass"));
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }

        new Main();
    }

    public Main() {

        Console console = System.console();

        if(console == null) {
            System.out.println("No console.");
            //return;
        }

        String name = "theo";//console.readLine("Enter your name: ");

        String userHash = SHA256(name);

        File userFile = new File("./users/" + userHash + ".json");

        if(!userFile.exists()) {
            System.out.println("User does not exist");
            return;
        }

        String password = "pass";//new String(console.readPassword("Enter your password: "));

        String userData;

        try {
            userData = Decrypt(ReadFile(userFile), password);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        System.out.println(userData);

        user = gson.fromJson(userData, User.class);

        Account a = user.getAccount("Konto");
        System.out.println(a.getClass().getSimpleName());
        System.out.println(a.getBalance());
    }
}