import { Dispatch, SetStateAction } from "react"
import notify from "./notify"

export const RegExpIsFloat = /^[-+]?\d+\.?\d*$/

/*  
  other - объект с дополнительными свойствами колонки
  поддерживаются все базовые свойства из описания https://ant.design/components/table/#Column
  плю дополнительные для колонок EditableTable:
  editable - редактируемая колонка, bool
  input - react компонента редактора (<Input/>, <InputNumber/>, <DatePicker/>...)
  isRequired - значение может быть пустым,
  formItemClass - css класс для <FormItem/>, если требуется
  formItemRules - массив правил валидации значений https://ant.design/components/form/#Rule, 
  initialValue - дефолтное значение при добавлении новой строки
 */
export const makeColumn = (title:string, key:string, other?:any) => ({
  title: title,
  key: key,
  dataIndex: key,
  ...other,
})

export const makeColumnsPlanFact = (title:string, key:string|string[], columsOther?:any|any[], gruopOther?:any) =>
{
  let keyPlanLocal = key
  let keyFactLocal = key
  
  if(key instanceof Array){    
    keyPlanLocal = key[0]
    keyFactLocal =  key[1]
  }else{
    keyPlanLocal = key + 'Plan'
    keyFactLocal =  key + 'Fact'
  }

  let columsOtherLoacl :any[2]
  if(columsOther instanceof Array)
    columsOtherLoacl = [columsOther[0], columsOther[1]]
  else
    columsOtherLoacl = [columsOther, columsOther]

  return {  
    title: title,
    ...gruopOther,
    children: [
      makeColumn('план', keyPlanLocal, columsOtherLoacl[0]),
      makeColumn('факт', keyFactLocal, columsOtherLoacl[1]),
    ]
  }
}

type PaginationContainer = {
  skip?: number;
  take?: number;
  count?: number;
  items?: any[] | null;
}

type asyncFunction = (...args:any) => Promise<any|void>;

export const makePaginationObject = (paginationContainer:PaginationContainer, ...other:any) => {
  let page = 1 + Math.floor((paginationContainer.skip??0) /(paginationContainer.take??1));
  return {
    ...other,
    pageSize: paginationContainer.take,
    total: paginationContainer.count ?? paginationContainer.items?.length ?? 0,
    current: page,
  }
}

export const invokeWebApiWrapper = async (func: Function, setShowLoader: Dispatch<SetStateAction<boolean>>, errorNotifyText: string) => {
  if(setShowLoader)
    setShowLoader(true)
  try{
    func()
  } catch (ex) {
    if(process.env.NODE_ENV === 'development')
      console.log(ex)
    if(errorNotifyText)
      notify(errorNotifyText, 'error')
  } finally{
    if(setShowLoader)
      setShowLoader(false)
  }
}

export const invokeWebApiWrapperAsync = async (funcAsync: asyncFunction, setShowLoader: Dispatch<SetStateAction<boolean>>, errorNotifyText: string) => {
  if(setShowLoader)
    setShowLoader(true)
  try{
    await funcAsync()
  } catch (ex) {
    if(process.env.NODE_ENV === 'development')
      console.log(ex)
    if(errorNotifyText)
      notify(errorNotifyText, 'error')
  } finally{
    if(setShowLoader)
      setShowLoader(false)
  }
}

export const download = async (url:string, fileName?:string) => {
  const response = await fetch(url, {
    headers: {
      Authorization: 'Bearer ' + localStorage['token']
    },
    method: 'Get'
  })
  const requestFileName = decodeURI(fileName
    ??response.headers
      .get('content-disposition')
      ?.split(';')
      .splice(-1)[0]
      .split("'")
      .splice(-1)[0]
      ?? url.replace('\\','/')
      .split('/')
      .splice(-1)[0]
      ?? 'file')
  const blob = await response.blob()
  const reader = new FileReader();
  reader.readAsDataURL(blob);
  reader.onload = function (e) {
    let a = document.createElement('a');
    a.href = (e.target?.result?.toString() ?? '');
    a.download = requestFileName;
    document.body.appendChild(a); // we need to append the element to the dom -> otherwise it will not work in firefox
    a.click();    
    a.remove();
  };
}

export const upload = async (url:string, formData: FormData) => {
  await fetch(url, {
    headers: {
      Authorization: 'Bearer ' + localStorage['token']
    },
    method: 'Post',
    body: formData,
  })
}