// Base preset class for LEDLab

const { createFrame, frameToPayload } = require('./frame-utils');

class BasePreset {
  constructor(width = 16, height = 16) {
    this.width = width;
    this.height = height;
    this.frameCount = 0;
    this.isActive = false;
    this.parameters = {};
    this.defaultParameters = {};
  }

  // Initialize the preset with default parameters
  init() {
    this.frameCount = 0;
    this.resetToDefaults();
  }

  // Reset parameters to their default values
  resetToDefaults() {
    this.parameters = { ...this.defaultParameters };
  }

  // Set a parameter value
  setParameter(name, value) {
    this.parameters[name] = value;
  }

  // Get a parameter value
  getParameter(name) {
    return this.parameters[name];
  }

  // Get all parameters
  getParameters() {
    return { ...this.parameters };
  }

  // Start the preset
  start() {
    this.isActive = true;
    this.init();
  }

  // Stop the preset
  stop() {
    this.isActive = false;
  }

  // Generate the next frame
  generateFrame() {
    if (!this.isActive) {
      return null;
    }

    const frame = this.renderFrame();
    this.frameCount++;

    if (frame) {
      return frameToPayload(frame);
    }

    return null;
  }

  // Override in subclasses to render a frame
  renderFrame() {
    // Default implementation returns a blank frame
    return createFrame(this.width, this.height, '000000');
  }

  // Get preset metadata
  getMetadata() {
    return {
      name: this.constructor.name,
      description: 'Base preset class',
      parameters: this.defaultParameters,
      width: this.width,
      height: this.height,
    };
  }
}

module.exports = BasePreset;