// lib/db/services/TemplateService.ts
import { Workout } from '@/types/workout';
import { WorkoutTemplate } from '@/types/templates';
import { generateId } from '@/utils/ids';

/**
 * Service for managing workout templates
 */
export class TemplateService {
  /**
   * Updates an existing template based on workout changes
   */
  static async updateExistingTemplate(workout: Workout): Promise<boolean> {
    try {
      // This would require actual implementation with DB access
      // For now, this is a placeholder
      console.log('Updating template from workout:', workout.id);
      // Future: Implement with your DB service
      return true;
    } catch (error) {
      console.error('Error updating template:', error);
      return false;
    }
  }

  /**
   * Saves a workout as a new template
   */
  static async saveAsNewTemplate(workout: Workout, name: string): Promise<string | null> {
    try {
      // This would require actual implementation with DB access
      // For now, this is a placeholder
      console.log('Creating new template from workout:', workout.id, 'with name:', name);
      // Future: Implement with your DB service
      return generateId();
    } catch (error) {
      console.error('Error creating template:', error);
      return null;
    }
  }

  /**
   * Detects if a workout has changes compared to its original template
   */
  static hasTemplateChanges(workout: Workout): boolean {
    // This would require comparing with the original template
    // For now, assume changes if there's a templateId
    return !!workout.templateId;
  }
}