import { DispatchQoS, DispatchConcurrentQueue, Operation, OperationQueue, Thread,DispatchTime } from "Foundation"
// Operation
class newThreadClassBytmui extends Operation {
	task : () => any | null
	result : any | null
	init(@escaping callback : () => any | null) {
		this.task = callback
		super.init()
	}

	override main() {
		this.result = this.task()
	}
}
/** ios不支持直接传递函数进行多任务直接返回结果 */
export function runWorker(callback : () => any | null, resultCallback : (msg : any | null) => void) {
	resultCallback(callback)
	// DispatchQueue.global().asyncAfter(deadline = DispatchTime.now(),execute = ()=>{
	// 	callback()
	// }) 
	
	// let callcalc = ():Promise<any|null> =>{
	// 	return new Promise((res)=>{
	// 		setTimeout(function() {
	// 			res(callback())
	// 		}, 1500);
	// 	})
	// };
	// Thread.detachNewThread(()=>{
	// 	callcalc().then((result:any|null)=>{
	// 		console.log(result,'---')
	// 		DispatchQueue.main.async(execute = () : void => {
	// 			console.log(result,'***')
	// 			resultCallback(result)
	// 		})
	// 	})
		
	// })
	
	// let thred = new Thread(block = () => {
	// 	let data : any | null = callback();
	// 	console.log(data)
	// 	// DispatchQueue.main.async(execute = () : void => {
	// 	// 	console.log(data)
	// 	// })
	// })
	// thred.isMainThread = true;
	// thred.start()
	// OperationQueue
	// let workerQueue = new OperationQueue()
	// workerQueue.maxConcurrentOperationCount = 30
	// let worker = new newThreadClassBytmui(callback = callback)
	// worker.completionBlock = ()=>{

	// 	DispatchQueue.main.async(execute = () : void => {
	// 	console.log(worker.result)
	// 	})
	// }
	// workerQueue.addOperation(worker)
	// 在后台线程执行
	// DispatchQueue(label = "xtm.omg.td2", qos = DispatchQoS.background, attributes = DispatchQueue.Attributes.concurrent)
	// 	.async(execute = () : void => {
	// 		let data : any | null = callback();
	// 		resultCallback(data)
	// 		// DispatchQueue.main.async(execute = () : void => {

	// 		// })
	// 	})

}