import axios from 'axios';
import type { MinioUploadPolicy, OSSUploadPolicy } from '@d8d-appcontainer/types';
import type { 
  FileLibrary, FileCategory
} from '../../share/types.ts';

const API_BASE_URL = '/api';

interface FileUploadPolicyResponse {
  message: string;
  data: MinioUploadPolicy | OSSUploadPolicy;
}

interface FileListResponse {
  message: string;
  data: {
    list: FileLibrary[];
    pagination: {
      current: number;
      pageSize: number;
      total: number;
    };
  };
}

interface FileSaveResponse {
  message: string;
  data: FileLibrary;
}

interface FileInfoResponse {
  message: string;
  data: FileLibrary;
}

interface FileDeleteResponse {
  message: string;
}


interface FileCategoryListResponse {
  data: FileCategory[];
  total: number;
  page: number;
  pageSize: number;
}

interface FileCategoryCreateResponse {
  message: string;
  data: FileCategory;
}

interface FileCategoryUpdateResponse {
  message: string;
  data: FileCategory;
}

interface FileCategoryDeleteResponse {
  message: string;
}

// 文件管理API
export const FileAPI = {
  // 获取文件上传策略
  getUploadPolicy: async (filename: string, prefix: string = 'uploads/', maxSize: number = 10 * 1024 * 1024): Promise<FileUploadPolicyResponse> => {
    try {
      const response = await axios.get(`${API_BASE_URL}/upload/policy`, { 
        params: { filename, prefix, maxSize } 
      });
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 保存文件信息
  saveFileInfo: async (fileData: Partial<FileLibrary>): Promise<FileSaveResponse> => {
    try {
      const response = await axios.post(`${API_BASE_URL}/upload/save`, fileData);
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 获取文件列表
  getFileList: async (params?: {
    page?: number,
    pageSize?: number,
    category_id?: number,
    fileType?: string,
    keyword?: string
  }): Promise<FileListResponse> => {
    try {
      const response = await axios.get(`${API_BASE_URL}/upload/list`, { params });
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 获取单个文件信息
  getFileInfo: async (id: number): Promise<FileInfoResponse> => {
    try {
      const response = await axios.get(`${API_BASE_URL}/upload/${id}`);
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 更新文件下载计数
  updateDownloadCount: async (id: number): Promise<FileDeleteResponse> => {
    try {
      const response = await axios.post(`${API_BASE_URL}/upload/${id}/download`);
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 删除文件
  deleteFile: async (id: number): Promise<FileDeleteResponse> => {
    try {
      const response = await axios.delete(`${API_BASE_URL}/upload/${id}`);
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 获取文件分类列表
  getCategories: async (params?: {
    page?: number,
    pageSize?: number,
    search?: string
  }): Promise<FileCategoryListResponse> => {
    try {
      const response = await axios.get(`${API_BASE_URL}/file-categories`, { params });
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 创建文件分类
  createCategory: async (data: Partial<FileCategory>): Promise<FileCategoryCreateResponse> => {
    try {
      const response = await axios.post(`${API_BASE_URL}/file-categories`, data);
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 更新文件分类
  updateCategory: async (id: number, data: Partial<FileCategory>): Promise<FileCategoryUpdateResponse> => {
    try {
      const response = await axios.put(`${API_BASE_URL}/file-categories/${id}`, data);
      return response.data;
    } catch (error) {
      throw error;
    }
  },

  // 删除文件分类
  deleteCategory: async (id: number): Promise<FileCategoryDeleteResponse> => {
    try {
      const response = await axios.delete(`${API_BASE_URL}/file-categories/${id}`);
      return response.data;
    } catch (error) {
      throw error;
    }
  }
};