import client from '../client';
import type { PaginatedResponse } from '../types';

// ---------------------------------------------------------------------------
// 媒体文件类型
// ---------------------------------------------------------------------------

export interface MediaItem {
  id: string;
  tenant_id: string;
  folder_id?: string;
  filename: string;
  storage_path: string;
  thumbnail_path?: string;
  content_type: string;
  file_size: number;
  width?: number;
  height?: number;
  alt_text?: string;
  is_public: boolean;
  created_at: string;
  updated_at: string;
  created_by?: string;
  updated_by?: string;
  version: number;
}

export interface MediaListParams {
  page?: number;
  page_size?: number;
  folder_id?: string;
  content_type?: string;
  keyword?: string;
  is_public?: boolean;
}

export interface UpdateMediaReq {
  filename?: string;
  alt_text?: string;
  is_public?: boolean;
  folder_id?: string;
  version: number;
}

export interface MoveMediaReq {
  folder_id?: string;
  version: number;
}

export interface CropReq {
  x: number;
  y: number;
  width: number;
  height: number;
  version: number;
}

// ---------------------------------------------------------------------------
// 文件夹类型
// ---------------------------------------------------------------------------

export interface FolderItem {
  id: string;
  tenant_id: string;
  name: string;
  parent_id?: string;
  sort_order: number;
  children: FolderItem[];
  item_count: number;
  created_at: string;
  updated_at: string;
  version: number;
}

export interface CreateFolderReq {
  name: string;
  parent_id?: string;
  sort_order?: number;
}

export interface UpdateFolderReq {
  name?: string;
  parent_id?: string;
  sort_order?: number;
  version: number;
}

// ---------------------------------------------------------------------------
// 媒体文件 API
// ---------------------------------------------------------------------------

export const mediaApi = {
  /** 分页查询媒体文件列表 */
  list: async (params: MediaListParams) => {
    const { data } = await client.get<{
      success: boolean;
      data: PaginatedResponse<MediaItem>;
    }>('/health/media', { params });
    return data.data;
  },

  /** 上传媒体文件（multipart/form-data） */
  upload: async (formData: FormData) => {
    const { data } = await client.post<{
      success: boolean;
      data: MediaItem;
    }>('/health/media/upload', formData, {
      headers: { 'Content-Type': 'multipart/form-data' },
    });
    return data.data;
  },

  /** 获取单个媒体文件详情 */
  get: async (id: string) => {
    const { data } = await client.get<{
      success: boolean;
      data: MediaItem;
    }>(`/health/media/${id}`);
    return data.data;
  },

  /** 更新媒体文件信息 */
  update: async (id: string, req: UpdateMediaReq) => {
    const { data } = await client.put<{
      success: boolean;
      data: MediaItem;
    }>(`/health/media/${id}`, req);
    return data.data;
  },

  /** 删除媒体文件 */
  delete: async (id: string, version: number) => {
    const { data } = await client.delete<{
      success: boolean;
      data: null;
    }>(`/health/media/${id}`, { data: { version } });
    return data.data;
  },

  /** 移动媒体文件到指定文件夹 */
  move: async (id: string, req: MoveMediaReq) => {
    const { data } = await client.post<{
      success: boolean;
      data: MediaItem;
    }>(`/health/media/${id}/move`, req);
    return data.data;
  },

  /** 批量删除媒体文件 */
  batchDelete: async (ids: string[]) => {
    const { data } = await client.post<{
      success: boolean;
      data: null;
    }>('/health/media/batch-delete', { ids });
    return data.data;
  },

  /** 裁剪媒体文件 */
  crop: async (id: string, req: CropReq) => {
    const { data } = await client.post<{
      success: boolean;
      data: MediaItem;
    }>(`/health/media/${id}/crop`, req);
    return data.data;
  },
};

// ---------------------------------------------------------------------------
// 文件夹 API
// ---------------------------------------------------------------------------

export const mediaFolderApi = {
  /** 获取文件夹树形结构 */
  tree: async () => {
    const { data } = await client.get<{
      success: boolean;
      data: FolderItem[];
    }>('/health/media-folders');
    return data.data;
  },

  /** 创建文件夹 */
  create: async (req: CreateFolderReq) => {
    const { data } = await client.post<{
      success: boolean;
      data: FolderItem;
    }>('/health/media-folders', req);
    return data.data;
  },

  /** 更新文件夹 */
  update: async (id: string, req: UpdateFolderReq) => {
    const { data } = await client.put<{
      success: boolean;
      data: FolderItem;
    }>(`/health/media-folders/${id}`, req);
    return data.data;
  },

  /** 删除文件夹 */
  delete: async (id: string, version: number) => {
    const { data } = await client.delete<{
      success: boolean;
      data: null;
    }>(`/health/media-folders/${id}`, { data: { version } });
    return data.data;
  },
};