import axios from 'axios'
import { getApiBaseUrl, getEffectiveToken, clearToken } from '@/utils/token'

const api = axios.create({
  timeout: 30000,
})

// Request interceptor — attach admin token
api.interceptors.request.use((config) => {
  config.baseURL = `${getApiBaseUrl()}/api`
  const token = getEffectiveToken()
  if (token) {
    config.headers.Authorization = `Bearer ${token}`
  }
  return config
})

// Response interceptor — unwrap data, handle errors
api.interceptors.response.use(
  (response) => response.data,
  (error) => {
    if (error.response?.status === 401) {
      // Token might be stale — clear it and let the router guard handle redirect
      clearToken()
    }
    const msg = error.response?.data?.error?.message || error.message || 'Request failed'
    return Promise.reject(new Error(msg))
  }
)

// --- API methods ---

// Env
export const getEnv = () => api.get('/env')
export const getScripts = () => api.get('/scripts')

// Settings
export const getSettings = () => api.get('/settings')
export const updateSettings = (data) => api.patch('/settings', data)

// Storage
export const exportStorage = () => api.get('/storage')
export const importStorage = (data) => api.post('/storage', data)

// Sources
export const listSources = () => api.get('/sources')
export const createSource = (data) => api.post('/sources', data)
export const getSource = (name) => api.get(`/sources/${name}`)
export const updateSource = (name, data) => api.patch(`/sources/${name}`, data)
export const deleteSource = (name) => api.delete(`/sources/${name}`)
export const sortSources = (ids) => api.put('/sources', ids)

// Collections
export const listCollections = () => api.get('/collections')
export const createCollection = (data) => api.post('/collections', data)
export const getCollection = (name) => api.get(`/collections/${name}`)
export const updateCollection = (name, data) => api.patch(`/collections/${name}`, data)
export const deleteCollection = (name) => api.delete(`/collections/${name}`)
export const sortCollections = (ids) => api.put('/collections', ids)

// Templates
export const listTemplates = () => api.get('/templates')
export const createTemplate = (data) => api.post('/templates', data)
export const getTemplate = (name) => api.get(`/templates/${name}`)
export const updateTemplate = (name, data) => api.patch(`/templates/${name}`, data)
export const deleteTemplate = (name) => api.delete(`/templates/${name}`)

// Recycle bin
export const listRecycleBin = () => api.get('/recycle-bin')
export const deleteRecycleEntry = (id) => api.delete(`/recycle-bin/${id}`)
export const restoreRecycleEntry = (id) => api.post(`/recycle-bin/${id}/restore`)

// Preview
export const previewSource = (data) => api.post('/preview/source', data)
export const previewCollection = (data) => api.post('/preview/collection', data)

// Download links
export const getLinkSource = (name, target) => api.get(`/link/source/${name}`, { params: target ? { target } : {} })
export const getLinkCollection = (name, target) => api.get(`/link/collection/${name}`, { params: target ? { target } : {} })

// Flow info
export const getFlowInfo = (name) => api.get(`/source/flow/${name}`)

// Tools
export const parseProxy = (data) => api.post('/proxy/parse', data)
export const parseRule = (data) => api.post('/rule/parse', data)
export const exportProxyUri = (node) => api.post('/utils/proxy-uri', node)
export const getNodeInfo = (server) => api.post('/utils/node-info', { server })

export default api