SettingsController.java

package cs3500.pa05.controller;

import cs3500.pa05.model.json.ThemeJson;
import cs3500.pa05.model.json.WeekJson;
import cs3500.pa05.view.BujoView;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.ButtonBar;
import javafx.scene.control.ButtonType;
import javafx.scene.control.ColorPicker;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Dialog;
import javafx.scene.control.TextField;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

/**
 * Represents the controller for the game window that generates weekly settings.
 */
public class SettingsController implements ControllerInterface {
  private WeekJson bujoWeek;
  private Stage stage;
  @FXML
  private TextField nameField;
  @FXML
  private TextField eventMaxField;
  @FXML
  private TextField taskMaxField;
  @FXML
  private ComboBox<String> themeChoiceBox;
  @FXML
  private Button saveButton;
  private Dialog<String> warning;
  private Dialog<String> customTheme;
  private String selectedTheme;
  private String selectedName;
  private int selectedTaskMax;
  private int selectedEventMax;
  private String path;


  /**
   * Instantiates a controller to handle user settings.
   *
   * @param w the week the user is currently editing
   * @param s the stage to place the scene
   * @param p the string representation of the .bujo path
   */
  public SettingsController(WeekJson w, Stage s, String p) {
    this.path = p;
    this.bujoWeek = w;
    this.stage = s;
    this.nameField = new TextField();
    this.eventMaxField = new TextField();
    this.taskMaxField = new TextField();
    this.saveButton = new Button("Save Settings");
    this.warning = new Dialog<>();
    this.themeChoiceBox = new ComboBox<String>();
    this.customTheme = new Dialog<>();
  }

  /**
   * Sets up dialog to generate custom theme.
   */
  private void setCustomTheme() {
    ButtonType ok = new ButtonType("Ok", ButtonBar.ButtonData.OK_DONE);
    customTheme.setTitle("Custom Theme");
    customTheme.getDialogPane().getButtonTypes().add(ok);

    ColorPicker colorPicker = new ColorPicker();
    colorPicker.setOnAction(event -> {
      Color selectedColor = colorPicker.getValue();
      selectedTheme = String.valueOf(selectedColor);
      bujoWeek.allThemes().add(new ThemeJson(selectedTheme));
    });

    customTheme.getDialogPane().setContent(colorPicker);
  }

  /**
   * Sets up warning dialog to handle incorrect paths.
   */
  private void setWarning() {
    ButtonType ok = new ButtonType("Ok", ButtonBar.ButtonData.OK_DONE);
    warning.setTitle("Warning");
    warning.getDialogPane().getButtonTypes().add(ok);
  }

  /**
   * Displays a warning popup with given message.
   *
   * @param message warning message
   */
  private void displayWarning(String message) {
    warning.setContentText(message);
  }

  /**
   * Checks user input for week settings.
   *
   * @return whether the settings are valid
   */
  private boolean validSettings() {
    String name = nameField.getText();
    String eventMax = eventMaxField.getText();
    String taskMax = taskMaxField.getText();
    // handles cases with incorrect user input by displaying a warning
    if (name.isEmpty()) {
      selectedName = bujoWeek.name();
    } else {
      selectedName = name;
    }
    // handles event max by attempting to parse
    if (eventMax.isEmpty()) {
      selectedEventMax = bujoWeek.eventMax();
    } else {
      try {
        selectedEventMax = Integer.parseInt(eventMax);
      } catch (NumberFormatException e) {
        displayWarning("Event max must be an integer.");
        warning.showAndWait();
        return false;
      }
    }
    // handles task max by attempting to parse
    if (taskMax.isEmpty()) {
      selectedTaskMax = bujoWeek.taskMax();
    } else {
      try {
        selectedTaskMax = Integer.parseInt(taskMax);
      } catch (NumberFormatException e) {
        displayWarning("Task max must be an integer.");
        warning.showAndWait();
        return false;
      }
    }
    // handles the user creating a custom theme
    if (themeChoiceBox.getValue() == "add custom theme") {
      customTheme.setContentText("Choose a background color");

      customTheme.showAndWait();
    } else {
      selectedTheme = themeChoiceBox.getValue();
    }

    return true;
  }

  /**
   * Closes the scene by delegating to the WeekController to display the
   * next part of the program.
   */
  private void closeScene() {
    if (validSettings()) {
      WeekJson weekCopy = new WeekJson(selectedName, selectedTaskMax, selectedEventMax,
          bujoWeek.allThemes(), new ThemeJson(selectedTheme), bujoWeek.days(), bujoWeek.taskQueue(),
          bujoWeek.note());

      WeekController contr = new WeekController(weekCopy, stage, path);
      BujoView view = new BujoView(contr, "week.fxml");

      try {
        stage.setScene(view.load());
        contr.run();
        stage.show();
      } catch (IllegalStateException e) {
        System.err.println("Can't load new task");
      }
    }
  }

  /**
   * Adds all theme choices to the comboBox.
   */
  private void addThemeChoices() {
    for (ThemeJson theme : bujoWeek.allThemes()) {
      this.themeChoiceBox.getItems().add(theme.name());
    }
    if (bujoWeek.allThemes().size() < 7) {
      this.themeChoiceBox.getItems().add("add custom theme");
    }
    this.themeChoiceBox.setValue(bujoWeek.allThemes().get(0).name());
  }


  /**
   * Runs the controller.
   */
  @Override
  public void run() {
    addThemeChoices();
    setCustomTheme();
    setWarning();
    saveButton.setOnAction(event -> closeScene());
  }
}