/**
 * 本地模型API服务
 * 
 * 提供本地模型的查询和连接测试功能（仅查看，无管理功能）
 * 需求: 4
 */
import { authService } from './authService';

const API_BASE = import.meta.env.VITE_API_BASE_URL || '';

export interface LocalModel {
  id: number;
  name: string;
  supplier?: string;
  base_url: string;
  has_api_key: boolean;
  visibility: string;
  category: number;
  created_at: string;
  updated_at: string;
}

export interface ConnectionTestResult {
  success: boolean;
  message: string;
  latency_ms?: number;
}

interface ApiResponse<T> {
  code: number;
  message: string;
  data: T;
}

async function request<T>(url: string, options: RequestInit = {}): Promise<ApiResponse<T>> {
  const token = authService.getToken();
  const headers: HeadersInit = {
    'Content-Type': 'application/json',
    ...(token ? { Authorization: `Bearer ${token}` } : {}),
    ...options.headers,
  };

  const response = await fetch(`${API_BASE}${url}`, {
    ...options,
    headers,
  });

  if (!response.ok) {
    const error = await response.json().catch(() => ({ message: '请求失败' }));
    throw new Error(error.detail || error.message || '请求失败');
  }

  return response.json();
}

export const localModelApi = {
  /**
   * 获取本地模型列表
   */
  async getLocalModels(): Promise<LocalModel[]> {
    const res = await request<LocalModel[]>('/api/models/local');
    return res.data;
  },

  /**
   * 测试本地模型连接
   */
  async testConnection(base_url: string, api_key?: string, model_name?: string): Promise<ConnectionTestResult> {
    const res = await request<ConnectionTestResult>('/api/models/local/test', {
      method: 'POST',
      body: JSON.stringify({ base_url, api_key, model_name }),
    });
    return res.data;
  },
};