import request from '@/utils/request';
import { Message } from 'element-ui';

export function postAction(url, parameter) {
  return request({
    url: url,
    method: 'post',
    data: parameter
  });
}

export async function listDictionaries() {
  const res = await request.get('/system/dict/getPage', {});
  if (res.data.code == 0) {
    return res.data.data;
  }
  return Promise.reject(new Error(res.data.message));
}

export function httpAction(url, parameter, method) {
  return request({
    url: url,
    method: method,
    data: parameter
  });
}

export function putAction(url, parameter) {
  return request({
    url: url,
    method: 'put',
    data: parameter
  });
}

export function getAction(url, parameter) {
  return request({
    url: url,
    method: 'get',
    params: parameter
  });
}

export function downloadAction(url, method, parameter, filename) {
  return request({
    url: url,
    method: method,
    params: parameter,
    responseType: 'blob'
  })
    .then((response) => {
      const type = response.type || '';
      if (type.includes('application/json')) {
        let reader = new FileReader();
        reader.onload = (e) => {
          if (e.target.readyState === 2) {
            let res = {};
            res = JSON.parse(e.target.result);
            Message.error(res.message);
          }
        };
        reader.readAsText(response);
      } else {
        filename = decodeURI(filename);
        if (typeof window.navigator.msSaveBlob !== 'undefined') {
          window.navigator.msSaveBlob(response, filename);
        } else {
          var blobURL = window.URL.createObjectURL(response); // 将blob对象转为一个URL
          var tempLink = document.createElement('a'); // 创建一个a标签
          tempLink.style.display = 'none';
          tempLink.href = blobURL;
          tempLink.setAttribute('download', filename); // 给a标签添加下载属性
          if (typeof tempLink.download === 'undefined') {
            tempLink.setAttribute('target', '_blank');
          }
          document.body.appendChild(tempLink); // 将a标签添加到body当中
          tempLink.click(); // 启动下载
          document.body.removeChild(tempLink); // 下载完毕删除a标签
          window.URL.revokeObjectURL(blobURL);
        }
      }
    })
    .catch((error) => {
      console.log(error);
    });
}

export function deleteAction(url, parameter) {
  return request({
    url: url,
    method: 'delete',
    params: parameter
  });
}