/**
 * API service for communicating with FastAPI backend
 * Running on http://localhost:8000
 */

const API_BASE_URL = import.meta.env.VITE_API_URL || '';

export interface NotificationPayload {
  source: string;
  message: string;
}

export interface ApiResponse {
  intent: string;
  data: Record<string, any>;
  event: Record<string, any>;
  message: string;
}

class ApiClient {
  /**
   * Send notification to backend
   * POST /api/notification
   */
  async sendNotification(payload: NotificationPayload): Promise<ApiResponse> {
    try {
      const response = await fetch(`${API_BASE_URL}/api/notification`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(payload),
      });

      if (!response.ok) {
        throw new Error(`Backend error: ${response.statusText}`);
      }

      return await response.json();
    } catch (error) {
      console.error('API Error:', error);
      throw error;
    }
  }

  /**
   * Health check endpoint
   * GET /health
   */
  async healthCheck(): Promise<boolean> {
    try {
      const response = await fetch(`${API_BASE_URL}/health`, {
        method: 'GET',
      });
      return response.ok;
    } catch {
      return false;
    }
  }
}

export const apiClient = new ApiClient();