import axios from 'axios'
import { API_CONFIG } from './config'

// Create Axios instance with default configuration
export const apiClient = axios.create({
  baseURL: API_CONFIG.BASE_URL,
  timeout: 10000, // 10 seconds timeout
  headers: {
    'Content-Type': 'application/json',
  },
})

// Request interceptor to add auth header
apiClient.interceptors.request.use(
  (config) => {
    // Get token from localStorage
    const token = localStorage.getItem("auth_token")
    
    // Add Authorization header if token exists
    if (token) {
      config.headers.Authorization = `Bearer ${token}`
    }
    
    // Only add static auth header if it has a value (for login requests)
    if (API_CONFIG.AUTH_HEADER && API_CONFIG.AUTH_HEADER.trim()) {
      config.headers.Authorization = API_CONFIG.AUTH_HEADER
    }
    
    // Log request for debugging
    console.log('API Request:', {
      method: config.method?.toUpperCase(),
      url: config.url,
      baseURL: config.baseURL,
      fullURL: `${config.baseURL}${config.url}`,
      hasAuthHeader: !!config.headers.Authorization,
      authType: token ? 'Bearer Token' : API_CONFIG.AUTH_HEADER ? 'Static Header' : 'None',
    })
    
    return config
  },
  (error) => {
    console.error('Request interceptor error:', error)
    return Promise.reject(error)
  }
)

// Response interceptor for error handling
apiClient.interceptors.response.use(
  (response) => {
    console.log('API Response:', {
      status: response.status,
      statusText: response.statusText,
      url: response.config.url,
      data: response.data,
    })
    return response
  },
  (error) => {
    console.error('API Error:', {
      status: error.response?.status,
      statusText: error.response?.statusText,
      message: error.message,
      url: error.config?.url,
      data: error.response?.data,
    })
    return Promise.reject(error)
  }
)

export default apiClient
