import api from './api'

interface SystemSettings {
  site: {
    title: string
    description: string
    keywords: string
    favicon?: string
    logo?: string
    copyright: string
    contactEmail: string
  }
  upload: {
    maxFileSize: number
    allowedTypes: string[]
    compressionQuality: number
    watermarkEnabled: boolean
    watermarkText: string
    watermarkPosition: string
  }
  security: {
    jwtSecret: string
    jwtExpiration: number
    enableTwoFactor: boolean
    enableAuditLog: boolean
    maxLoginAttempts: number
    lockoutDuration: number
  }
  performance: {
    cacheEnabled: boolean
    cacheExpiration: number
    imageCacheSize: number
    enableCompression: boolean
    maxConcurrentUploads: number
  }
  notifications: {
    emailEnabled: boolean
    emailHost: string
    emailPort: number
    emailUser: string
    emailPassword: string
    enableUserNotifications: boolean
    enableSystemAlerts: boolean
  }
  backup: {
    autoBackupEnabled: boolean
    backupInterval: number
    maxBackupFiles: number
    backupLocation: string
  }
}

interface SystemStatus {
  server: {
    status: 'online' | 'offline'
    uptime: string
    version: string
    lastRestart: string
  }
  database: {
    status: 'connected' | 'disconnected' | 'error'
    version: string
    size: string
    lastBackup: string
  }
  storage: {
    total: string
    used: string
    free: string
    usage: number
  }
  performance: {
    cpu: number
    memory: number
    activeConnections: number
    responseTime: number
  }
}

interface SystemOperation {
  operation: string
}

export const settingsService = {
  // 获取系统设置
  getSettings: async (): Promise<SystemSettings> => {
    const response = await api.get('/settings')
    return response.data
  },

  // 更新系统设置
  updateSettings: async (settings: Partial<SystemSettings>): Promise<SystemSettings> => {
    const response = await api.put('/settings', settings)
    return response.data
  },

  // 获取系统状态
  getSystemStatus: async (): Promise<SystemStatus> => {
    const response = await api.get('/system/status')
    return response.data
  },

  // 执行系统操作
  performSystemOperation: async (operation: SystemOperation): Promise<any> => {
    const response = await api.post('/system/operation', operation)
    return response.data
  },

  // 获取配置项
  getConfig: async (key: string): Promise<any> => {
    const response = await api.get(`/settings/config/${key}`)
    return response.data
  },

  // 更新配置项
  updateConfig: async (key: string, value: any): Promise<void> => {
    await api.put(`/settings/config/${key}`, { value })
  },

  // 重置配置
  resetConfig: async (section?: string): Promise<void> => {
    await api.post('/settings/reset', { section })
  },

  // 导出配置
  exportConfig: async (): Promise<Blob> => {
    const response = await api.get('/settings/export', { responseType: 'blob' })
    return response.data
  },

  // 导入配置
  importConfig: async (file: File): Promise<void> => {
    const formData = new FormData()
    formData.append('config', file)
    await api.post('/settings/import', formData, {
      headers: { 'Content-Type': 'multipart/form-data' }
    })
  },

  // 获取系统日志
  getSystemLogs: async (params: { level?: string; limit?: number; offset?: number }): Promise<any[]> => {
    const response = await api.get('/system/logs', { params })
    return response.data
  },

  // 清理系统日志
  clearSystemLogs: async (): Promise<void> => {
    await api.delete('/system/logs')
  },

  // 获取系统健康检查
  getHealthCheck: async (): Promise<any> => {
    const response = await api.get('/system/health')
    return response.data
  },

  // 获取系统信息
  getSystemInfo: async (): Promise<any> => {
    const response = await api.get('/system/info')
    return response.data
  },

  // 获取备份列表
  getBackups: async (): Promise<any[]> => {
    const response = await api.get('/system/backups')
    return response.data
  },

  // 创建备份
  createBackup: async (): Promise<any> => {
    const response = await api.post('/system/backups')
    return response.data
  },

  // 删除备份
  deleteBackup: async (id: string): Promise<void> => {
    await api.delete(`/system/backups/${id}`)
  },

  // 恢复备份
  restoreBackup: async (id: string): Promise<void> => {
    await api.post(`/system/backups/${id}/restore`)
  },

  // 下载备份
  downloadBackup: async (id: string): Promise<Blob> => {
    const response = await api.get(`/system/backups/${id}/download`, { responseType: 'blob' })
    return response.data
  },

  // 获取缓存统计
  getCacheStats: async (): Promise<any> => {
    const response = await api.get('/system/cache/stats')
    return response.data
  },

  // 清理缓存
  clearCache: async (type?: string): Promise<void> => {
    await api.delete('/system/cache', { params: { type } })
  },

  // 获取存储统计
  getStorageStats: async (): Promise<any> => {
    const response = await api.get('/system/storage/stats')
    return response.data
  },

  // 清理存储
  cleanStorage: async (type?: string): Promise<void> => {
    await api.delete('/system/storage/cleanup', { params: { type } })
  },

  // 获取任务列表
  getTasks: async (): Promise<any[]> => {
    const response = await api.get('/system/tasks')
    return response.data
  },

  // 创建任务
  createTask: async (task: any): Promise<any> => {
    const response = await api.post('/system/tasks', task)
    return response.data
  },

  // 删除任务
  deleteTask: async (id: string): Promise<void> => {
    await api.delete(`/system/tasks/${id}`)
  },

  // 执行任务
  executeTask: async (id: string): Promise<void> => {
    await api.post(`/system/tasks/${id}/execute`)
  },

  // 获取任务日志
  getTaskLogs: async (id: string): Promise<any[]> => {
    const response = await api.get(`/system/tasks/${id}/logs`)
    return response.data
  }
}