// Lab05_2.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include <vector>
#include <random>

int main()
{
    cv::Mat I = cv::imread("C:/Users/student/Downloads/foggy.jpg", 1);

    cv::Mat hsv;
    cv::Mat splitted[3];
    cv::Mat result;

    float brightness = 0;
    int hue = 0;

    std::cin >> brightness >> hue;

    cv::cvtColor(I, hsv, cv::COLOR_RGB2HSV);
    cv::split(hsv, splitted);
    splitted[0].convertTo(splitted[0], CV_32FC1);
    splitted[0] += hue;
    splitted[0].convertTo(splitted[0], CV_8UC1);

    splitted[2].convertTo(splitted[2], CV_32FC1);
    splitted[2] += brightness/100;
    splitted[2].convertTo(splitted[2], CV_8UC1);

    

    
    cv::merge(splitted, 3, result);

    for (int i = 0; i < result.rows; i++) {
        for (int j = 0; j < result.cols - 1; j += 2) {
            cv::Vec3b temp = result.at<cv::Vec3b>(i, j);
            result.at<cv::Vec3b>(i, j) = result.at<cv::Vec3b>(i, j + 1);
            result.at<cv::Vec3b>(i, j + 1) = temp;
        }
    }

    for (int i = 0; i < result.rows; i++) {
        for (int j = 0; j < result.cols - 1; j += 2) {
            cv::Vec3b clear;
            clear[0] = 0;
            clear[1] = 0;
            clear[2] = 0;

            int isNeedtoClear = std::rand() % 2;
            if (isNeedtoClear)
                result.at<cv::Vec3b>(i, j + 1) = clear;
        }
    }

    cv::cvtColor(result, result, cv::COLOR_HSV2RGB);

    cv::imshow("test", result);
    cv::waitKey();

    std::cout << "Hello World!\n";
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file