import request from './request'

// --- 类型定义 ---

export interface ImageCategory {
  id: string
  type_name: string
  parent_id: string
  remark?: string
  children?: ImageCategory[]
  created_time: string
  updated_time: string
}

export interface ImageItem {
  id: string
  image_name: string
  image_url: string
  image_type: string
  description?: string
  category_name?: string
  creator_name?: string
  created_by: string
  updated_by?: string
  created_time: string
  updated_time: string
}

export interface ImageQueryParams {
  category_id?: string
  page?: number
  page_size?: number
}

export interface ApiResponse<T = any> {
  code: number
  message: string
  data: T
  timestamp: string
}

export interface PageResult<T> {
  list: T[]
  total: number
  page: number
  page_size: number
}

// --- API 方法 ---

const prefix = '/api/v1/images'

export const imageApi = {
  // --- 分类管理 ---
  
  // 获取全部分类树
  getCategories(): Promise<ApiResponse<ImageCategory[]>> {
    return request.get(`${prefix}/categories`)
  },

  // 新增分类
  addCategory(data: Partial<ImageCategory>): Promise<ApiResponse<{ id: string }>> {
    return request.post(`${prefix}/categories`, data)
  },

  // 更新分类
  updateCategory(id: string, data: Partial<ImageCategory>): Promise<ApiResponse<null>> {
    return request.put(`${prefix}/categories/${id}`, data)
  },

  // 删除分类
  deleteCategory(id: string): Promise<ApiResponse<null>> {
    return request.delete(`${prefix}/categories/${id}`)
  },

  // --- 图片管理 ---

  // 获取图片列表
  getList(params: ImageQueryParams): Promise<ApiResponse<PageResult<ImageItem>>> {
    return request.get(prefix, { params })
  },

  // 保存图片信息
  add(data: Partial<ImageItem>): Promise<ApiResponse<null>> {
    return request.post(prefix, data)
  },

  // 删除图片
  delete(id: string): Promise<ApiResponse<null>> {
    return request.delete(`${prefix}/${id}`)
  },

  // 获取上传链接
  getUploadUrl(filename: string, contentType: string): Promise<ApiResponse<{ upload_url: string, file_url: string, object_name: string }>> {
    return request.post(`${prefix}/upload-url`, { filename, content_type: contentType })
  }
}