/**
 * 統一的API配置管理
 * 中央化管理所有API端點和配置
 */

// API基礎配置
export const API_CONFIG = {
  BASE_URL: process.env.NEXT_PUBLIC_API_URL || 'http://localhost:5008',
  ENDPOINTS: {
    AUTH: '/api/auth',
    FLASHCARDS: '/api',
    REVIEW: '/api',
    IMAGE: '/api'
  },
  TIMEOUT: 30000,
  RETRY_ATTEMPTS: 3
} as const

// 構建完整的API URL
export const buildApiUrl = (endpoint: keyof typeof API_CONFIG.ENDPOINTS, path: string = ''): string => {
  const baseEndpoint = API_CONFIG.ENDPOINTS[endpoint]
  const fullPath = path ? `${baseEndpoint}${path}` : baseEndpoint
  return `${API_CONFIG.BASE_URL}${fullPath}`
}

// 常用的API URL生成器
export const API_URLS = {
  // 認證相關
  auth: (path: string = '') => buildApiUrl('AUTH', path),

  // 詞卡相關
  flashcards: (path: string = '') => buildApiUrl('FLASHCARDS', path),

  // 複習相關
  review: (path: string = '') => buildApiUrl('REVIEW', path),

  // 圖片相關
  image: (path: string = '') => buildApiUrl('IMAGE', path)
} as const

// 導出基礎URL以便直接使用
export const { BASE_URL, TIMEOUT, RETRY_ATTEMPTS } = API_CONFIG