// Toasts/UI/WBP_Toast.ts

import { Border } from '#root/UE/Border.ts';
import { MathLibrary } from '#root/UE/MathLibrary.ts';
import { SystemLibrary } from '#root/UE/SystemLibrary.ts';
import type { Text } from '#root/UE/Text.ts';
import { TextBlock } from '#root/UE/TextBlock.ts';
import { UserWidget } from '#root/UE/UserWidget.ts';
import { E_MessageType } from '#root/UI/Enums/E_MessageType.ts';
import { BFL_Colors } from '#root/UI/Libraries/BFL_Colors.ts';

/**
 * Individual Toast Notification Widget
 * Displays a single toast message with type-based styling
 * Managed by WBP_ToastContainer for positioning and lifecycle
 */
export class WBP_Toast extends UserWidget {
  // ════════════════════════════════════════════════════════════════════════════════════════
  //                                    FUNCTIONS
  // ════════════════════════════════════════════════════════════════════════════════════════

  /**
   * Update background styling based on toast type
   * Uses color library to get appropriate color for message type
   * @category Display Updates
   */
  private UpdateBackgroundStyling(): void {
    if (SystemLibrary.IsValid(this.BackgroundPanel)) {
      this.BackgroundPanel.SetBrushColor(
        MathLibrary.ColorToLinearColor(
          BFL_Colors.GetColorByMessageType(this.ToastType, 100)
        )
      );
    }
  }

  /**
   * Update message text box with current message text
   * @category Display Updates
   */
  private UpdateMessageDisplay(): void {
    if (SystemLibrary.IsValid(this.MessageTextBox)) {
      this.MessageTextBox.SetText(this.MessageText);
    }
  }

  /**
   * Set toast message and update display
   * @param Message - New message text
   * @example
   * // Set success message
   * SetMessage("Test completed successfully!")
   * @category Public Interface
   */
  public SetMessage(Message: Text): void {
    this.MessageText = Message;
    this.UpdateMessageDisplay();
  }

  /**
   * Set toast type and update styling
   * @param Type - New toast type
   * @example
   * // Set as error toast
   * SetToastType(E_MessageType.Error)
   * @category Public Interface
   */
  public SetToastType(Type: E_MessageType): void {
    this.ToastType = Type;
    this.UpdateBackgroundStyling();
  }

  /**
   * Initialize toast widget with message and type
   * Adds widget to viewport for display
   * @param Message - Initial message text
   * @param Type - Initial toast type
   * @category Widget Lifecycle
   */
  public InitializeToast(Message: Text, Type: E_MessageType): void {
    this.SetMessage(Message);
    this.SetToastType(Type);
    this.AddToViewport();
  }

  // ════════════════════════════════════════════════════════════════════════════════════════
  //                                    VARIABLES
  // ════════════════════════════════════════════════════════════════════════════════════════

  /**
   * Current message text displayed in this toast
   * @category Toast Data
   */
  private MessageText: Text = '';

  /**
   * Toast type for color and styling determination
   * @category Toast Data
   */
  private ToastType: E_MessageType = E_MessageType.Info;

  /**
   * Text widget for displaying the toast message
   * @category UI Components
   */
  private MessageTextBox = new TextBlock();

  /**
   * Background border widget for toast styling and color
   * @category UI Components
   */
  private BackgroundPanel = new Border();
}