import { api } from './http-client'

interface ChatMessage {
  role: 'user' | 'assistant' | 'system'
  content: string
}

interface ChatResponse {
  content: string
  usage?: { model?: string; inputTokens?: number; outputTokens?: number }
}

export async function sendMessage(messages: ChatMessage[]): Promise<string> {
  const data = await api.post<ChatResponse>('/admin-api/ai/chat', { messages })
  return data.content || '（无回复内容）'
}