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package areatrainer;

import static areatrainer.AreaTrainer.CurrentUser;
import static areatrainer.AreaTrainer.login;
import javafx.event.ActionEvent;
import java.io.IOException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.ResourceBundle;
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.Button;
import javafx.scene.control.TextField;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

/**
 * FXML Controller class
 *
 * @author joel
 */
public class Login extends Application implements Initializable {

    @FXML
    TextField usernameTxt;
    @FXML
    TextField passwordTxt;
    @FXML
    Button loginBttn;

    @FXML

    public static void main(String[] args) {
        launch(args);
    }

    @FXML

    @Override
    public void start(Stage stage) throws IOException {
        Parent root = FXMLLoader.load(getClass().getResource("loginScreen.fxml"));
        Scene scene = new Scene(root);
        stage.setScene(scene);
        stage.setTitle("Login");
        stage.show();

    }

    @FXML
    public void login(ActionEvent event) {

        try {
            String username = usernameTxt.getText();
            String password = passwordTxt.getText();
            List<String> usernames = Files.readAllLines(Paths.get("usernames.txt"));
            List<String> passwords = Files.readAllLines(Paths.get("passwords.txt"));

            for (int i = 0; i < usernames.size(); i++) {
                if (usernames.get(i).equals(username) && passwords.get(i).equals(password)) {
                    CurrentUser = username;
                    Alert alert = new Alert(AlertType.INFORMATION);
                    alert.setTitle("Login Success!");
                    alert.setHeaderText(null);
                    alert.setContentText("Welcome, " + CurrentUser);
                    alert.showAndWait();
                }
            }
            if (CurrentUser.equals("")) {
                Alert incorrectUser = new Alert(AlertType.ERROR);
                incorrectUser.setTitle("Login Failure");
                incorrectUser.setHeaderText(null);
                incorrectUser.setContentText("Incorrect Username or Password!");
                incorrectUser.showAndWait();
            }

        } catch (IOException e) {
        }

    }

    @FXML
    public void register(ActionEvent event) {


        try {
            Parent root1 = FXMLLoader.load(getClass().getResource("register.fxml"));
            Stage stage = new Stage();
            stage.setScene(new Scene(root1));
            stage.setTitle("Register");
            stage.show();


        }catch (IOException e) {}


    }

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
    }

}