import React from 'react'
import { CURRENT } from './renderAuthorize' // eslint-disable-next-line import/no-cycle

import PromiseRender from './PromiseRender'

/**
 * 通用权限检查方法
 * Common check permissions method
 * @param { 权限判定 | Permission judgment } authority
 * @param { 你的权限 | Your permission description } currentAuthority
 * @param { 通过的组件 | Passing components } target
 * @param { 未通过的组件 | no pass components } Exception
 */
const checkPermissions = (authority, currentAuthority, target, Exception) => {
  // 没有判定权限.默认查看所有
  // Retirement authority, return target;
  if (!authority) {
    return target
  } // 数组处理

  if (Array.isArray(authority)) {
    if (currentAuthority instanceof Promise) {
      return currentAuthority.then(Authority => {
        if (Authority.some(item => authority.includes(item))) {
          return target
        }
        return Exception
      })
    }
    if (Array.isArray(currentAuthority)) {
      if (currentAuthority.some(item => authority.includes(item))) {
        return target
      }
    } else if (authority.includes(currentAuthority)) {
      return target
    }

    return Exception
  } // string 处理

  if (typeof authority === 'string') {
    if (Array.isArray(currentAuthority)) {
      if (currentAuthority.some(item => authority === item)) {
        return target
      }
    } else if (authority === currentAuthority) {
      return target
    }

    return Exception
  } // Promise 处理

  if (authority instanceof Promise) {
    return <PromiseRender ok={target} error={Exception} promise={authority} />
  } // Function 处理

  if (typeof authority === 'function') {
    const bool = authority(currentAuthority) // 函数执行后返回值是 Promise

    if (bool instanceof Promise) {
      return <PromiseRender ok={target} error={Exception} promise={bool} />
    }

    if (bool) {
      return target
    }

    return Exception
  }

  throw new Error('unsupported parameters')
}

export { checkPermissions }

function check(authority, target, Exception) {
  return checkPermissions(authority, CURRENT, target, Exception)
}

export default check