Class ChatAPI

src/lib/api.ts:84–631

}

class ChatAPI {
  async checkHealth(): Promise<HealthResponse> {
    try {
      const response = await fetch(`${API_BASE_URL}/health`);
      if (!response.ok) {
        throw new Error(`Health check failed: ${response.status}`);
      }
      return await response.json();
    } catch (error) {
      console.error('Health check failed:', error);
      throw error;
    }
  }

  async sendMessage(request: ChatRequest): Promise<ChatResponse> {
    try {
      const response = await fetch(`${API_BASE_URL}/chat`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({
          message: request.message,
          model: request.model || 'llama3.2:latest',
          conversation_history: request.conversation_history || [],
        }),
      });

      if (!response.ok) {
        const errorData = await response.json().catch(() => ({ error: 'Unknown error' }));
        throw new Error(`Chat API error: ${errorData.error || response.statusText}`);
      }

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

  // Convert ChatMessage array to conversation history format
  messagesToHistory(messages: ChatMessage[]): Array<{ role: 'user' | 'assistant'; content: string }> {
    return messages
      .filter(msg => typeof msg.content === 'string' && msg.content.trim())
      .map(msg => ({
        role: msg.sender,
        content: msg.content as string,
      }));
  }

  // Session Management
  async getSessions(): Promise<SessionResponse> {
    try {
      const response = await fetch(`${API_BASE_URL}/sessions`);
      if (!response.ok) {
        throw new Error(`Failed to get sessions: ${response.status}`);
      }
      return await response.json();