import axios from 'axios'

// LangGraph 服务地址
const LANGGRAPH_BASE = 'https://ai.etotem.com.cn'

// 直接创建 axios 实例，不走通用拦截器（LangGraph 返回原始 JSON，不是 {code, data} 格式）
const lgAxios = axios.create({
  baseURL: LANGGRAPH_BASE,
  timeout: 10000,
  withCredentials: true
})

/**
 * 获取 LangGraph 健康状态
 */
export function getLangGraphHealth() {
  return new Promise((resolve) => {
    const img = new Image()
    img.onload = () => resolve({ status: 'healthy' })
    img.onerror = () => resolve({ status: 'unreachable' })
    img.src = LANGGRAPH_BASE + '/health?t=' + Date.now()
  })
}

/**
 * 获取 LangGraph OpenAPI 规范
 */
export function getLangGraphSpec() {
  return lgAxios.get('/openapi.json')
}

/**
 * 获取详细健康检查
 */
export function getLangGraphDetailedHealth() {
  return lgAxios.get('/api/v1/health')
}

/**
 * 获取 Prometheus metrics
 */
export function getLangGraphMetrics() {
  return lgAxios.get('/metrics')
}

/**
 * 测试食材识别
 */
export function testFoodRecognize(data) {
  return lgAxios.post('/api/v1/food/recognize', data, { timeout: 60000 })
}

/**
 * 测试菜单生成
 */
export function testMenuGenerate(data) {
  return lgAxios.post('/api/v1/menu/generate', data, { timeout: 60000 })
}

/**
 * 测试对话
 */
export function testChat(data) {
  return lgAxios.post('/api/v1/chat', data, { timeout: 60000 })
}

/**
 * 测试营养推荐
 */
export function testRecommend(data) {
  return lgAxios.post('/api/v1/recommend', data, { timeout: 60000 })
}

/**
 * 测试问卷生成
 */
export function testQuestionnaireGenerate(data) {
  return lgAxios.post('/api/v1/questionnaire/generate', data, { timeout: 60000 })
}