//
//  main.m
//  ls6objc
//
//  Created by Юрий Новокрещенов on 11/11/2018.
//  Copyright © 2018 Yuri Novokreschenov. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Arithmetic.h"
#import "Operation.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        int a = 40;
        int b = 10;

//        dispatch_queue_t mainQueue = dispatch_get_main_queue();

        dispatch_group_t group = dispatch_group_create();
        dispatch_queue_t queue = dispatch_get_global_queue(QOS_CLASS_UTILITY, 0);

        __block int resultSum;
        __block int resultSubstraction;
        __block int resultMultiplication;

        dispatch_group_async(group, queue, ^{
            resultSum = [Arithmetic beginWithAction:ActionTypeSum firstNumber:a secondNumber:b];
        });

        dispatch_group_async(group, queue, ^{
            resultSubstraction = [Arithmetic beginWithAction:ActionTypeSubstraction firstNumber:a secondNumber:b];
        });

        dispatch_group_notify(group, queue, ^{
            NSLog(@"Сумма = %i", resultSum);
            NSLog(@"Разность = %i", resultSubstraction);
        });

        NSLog(@"Исходные данные: a = %i, b = %i", a, b);

        //ставим барьер
        dispatch_queue_t queue1 = dispatch_queue_create("my.first.queue", NULL);
        dispatch_async(queue1, ^{
            resultMultiplication = [Arithmetic beginWithAction:ActionTypeMultiplication firstNumber:a secondNumber:b];
        });

        dispatch_barrier_async(queue1, ^{
            NSLog(@"Произведение = %i", resultMultiplication);
        });

        // NSOperationQueue
        __block int resultDivision;
        NSOperationQueue *queue2 = [[NSOperationQueue alloc] init];

        //создади блок в котором запишем операцию
        int(^op0)(void) = ^int()
        {
            NSLog(@"Выполнился блок 0");
            return [Arithmetic beginWithAction:ActionTypeDivision firstNumber:a secondNumber:b];
        };

        int(^op1)(void) = ^int{
            int resultRemainderOfTheDivision = [Arithmetic beginWithAction:ActionTypeRemainderOfTheDivision firstNumber:a secondNumber:b];
            NSLog(@"Выполнился блок 1 %i", resultRemainderOfTheDivision);
            return resultRemainderOfTheDivision;
        };

        // хочу в operation передать действие через замыкание (то есть замыкание это написать в main, а в operation его отправить как переменную).

        Operation *operation0 = [[Operation alloc] init];
        operation0.someBlock = op0;
        [operation0 someBlock];
        Operation *operation1 = [[Operation alloc] init];
        operation1.someBlock = op1;

        [operation0 addDependency:operation1];
        [queue2 addOperation:operation0];
        [queue2 addOperation:operation1];

        [queue2 addOperationWithBlock:^{
            resultDivision = [Arithmetic beginWithAction:ActionTypeDivision firstNumber:a secondNumber:b];
            NSLog(@"Целочисленное деление = %i", resultDivision);
        }];

        int resultRemainderOfTheDivision = [Arithmetic beginWithAction:ActionTypeRemainderOfTheDivision firstNumber:a secondNumber:b];
        NSLog(@"ActionTypeRemainderOfTheDivision = %i", resultRemainderOfTheDivision);
    }
    return 0;
}