import { Text, TextStyle } from 'pixi.js';
import { CanvasTextSystem } from '@pixi/text/CanvasTextSystem';
import { CanvasTextPipe } from '@pixi/text/CanvasTextPipe';

class CustomText extends Text {
  constructor(text, style = {}) {
    super(text, style);
    this.updateText(); // Trigger initial text rendering
  }

  set text(value) {
    super.text = value;
    this.updateText(); // Update the canvas when the text changes
  }

  updateText() {
    // Create a new TextStyle based on the current Text's style
    const style = new TextStyle(this.style);

    // Create the text rendering system (this handles the canvas generation)
    const textSystem = new CanvasTextSystem();
    textSystem.addText(this.text, style);

    // Intercept the canvas generated by CanvasTextSystem
    const canvas = textSystem.canvas;

    // Here, you can manipulate the canvas before it's passed to the texture system
    this.modifyCanvas(canvas);

    // Use CanvasTextPipe to generate the texture from the modified canvas
    const textPipe = new CanvasTextPipe();
    const canvasTexture = textPipe.process(textSystem);

    // Create a PixiJS Texture from the generated canvas
    const texture = canvasTexture;

    // Assign the texture to the Text object
    this.texture = texture;

    // Ensure that the width and height are updated based on the new texture size
    this.width = texture.width;
    this.height = texture.height;

    // Optionally, apply any transformations (scaling, positioning, etc.)
    this._transform.updateTransform();
  }

  modifyCanvas(canvas) {
    // This is where you intercept and modify the canvas as needed
    const context = canvas.getContext('2d');
    
    // Example: Add custom modifications here
    context.fillStyle = 'rgba(255, 0, 0, 0.5)';  // Semi-transparent red overlay
    context.fillRect(0, 0, canvas.width, canvas.height);  // Apply a custom effect on the canvas
  }
}