src/app/services/argument.service.ts

export type ArgumentRequest = {
  topic: string;
  position: string;
};

export type ArgumentResponse = {
  topic: string;
  position: string;
  original_argument: string;
  enhanced_argument: string;
  process: string;
};

/**
 * Calls the external N8N webhook to generate enhanced arguments
 */
export async function generateEnhancedArgument(request: ArgumentRequest): Promise<ArgumentResponse> {
  const webhookUrl = process.env.REACT_APP_N8N_WEBHOOK_URL;
  
  if (!webhookUrl) {
    throw new Error('REACT_APP_N8N_WEBHOOK_URL environment variable is not set');
  }

  try {
    const response = await fetch(`${webhookUrl}/generate-argument-enhanced`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify(request),
    });

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

    const data: ArgumentResponse = await response.json();
    return data;
  } catch (error) {
    if (error instanceof Error) {
      throw error;
    }
    throw new Error('Failed to generate enhanced argument');
  }
}