class SnapEngine {
  private isEnabled: boolean;
  private gridSize: number;
  private tolerance: number;
  private activeZoom: number;

  constructor(gridSize: number = 10) {
    this.isEnabled = true;
    this.gridSize = gridSize;
    this.tolerance = 5;
    this.activeZoom = 1;
  }

  // Toggle snap on/off with F3
  toggleSnap(): void {
    this.isEnabled = !this.isEnabled;
  }

  // Set active zoom level
  setZoom(zoom: number): void {
    this.activeZoom = zoom;
  }

  // Snap to grid
  snapToGrid(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to grid
    return null;
  }

  // Snap to endpoint
  snapToEndpoint(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to endpoint
    return null;
  }

  // Snap to midpoint
  snapToMidpoint(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to midpoint
    return null;
  }

  // Snap to center
  snapToCenter(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to center
    return null;
  }

  // Snap to intersection
  snapToIntersection(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to intersection
    return null;
  }

  // Snap to perpendicular
  snapToPerpendicular(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to perpendicular
    return null;
  }

  // Snap to tangent
  snapToTangent(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to tangent
    return null;
  }

  // Snap to nearest
  snapToNearest(x: number, y: number): {x: number, y: number} | null {
    if (!this.isEnabled) return null;
    // Implementation for snap to nearest
    return null;
  }

  // Render visual snap markers on canvas
  renderSnapMarkers(context: CanvasRenderingContext2D): void {
    // Implementation for rendering snap markers
  }
}

export default SnapEngine;