import { isFunction, isObject } from '@vben/utils';

const toString = Object.prototype.toString;

export function is(val: unknown, type: string) {
  return toString.call(val) === `[object ${type}]`;
}

export function isDef<T = unknown>(val?: T): val is T {
  return val !== undefined;
}

export function isUnDef<T = unknown>(val?: T): val is T {
  return !isDef(val);
}

export function isNull(val: unknown): val is null {
  return val === null;
}

export function isNullOrUnDef(val: unknown): val is null | undefined {
  return isUnDef(val) || isNull(val);
}

export function isPromise<T = any>(val: unknown): val is Promise<T> {
  return is(val, 'Promise') && isObject(val) && isFunction(val.then) && isFunction(val.catch);
}

export function isRegExp(val: unknown): val is RegExp {
  return is(val, 'RegExp');
}

export function isArray(val: any): val is Array<any> {
  return val && Array.isArray(val);
}

export function isElement(val: unknown): val is Element {
  return isObject(val) && !!val.tagName;
}

export function isMap(val: unknown): val is Map<any, any> {
  return is(val, 'Map');
}

export const isServer = typeof window === 'undefined';

export const isClient = !isServer;

export function isUrl(path: string): boolean {
  // eslint-disable-next-line regexp/no-unused-capturing-group, regexp/strict
  const reg = /^http(s)?:\/\/([\w-]+(\.)?)+[\w-](\/[\w- ./?%&=]*)?/;
  return reg.test(path);
}