#include "../include/distime.h"

#include <algorithm>
#include <iomanip>
#include <iostream>

namespace distime {
    void parseTimeInput(std::tm &resultTime, const std::tm &currentTime) {
        std::string timeInput{};
        bool continueLoop{true};
        while (continueLoop) {
            // Unique formatting of 'cout' should make the output easier to predict
            std::cout
            //blank
            << "\nCurrent time: " << std::put_time(&currentTime, "%d-%m-%Y %H:%M\n")
            //blank
            << "Day (dd) Month (mm) Year(yyyy) 24 Hour (HH) Minute (MM)\n"
            << ">: ";

            std::getline(std::cin, timeInput);

            if (std::ranges::any_of(timeInput.cbegin(), timeInput.cend(), [] (char input) {return !isdigit(input) && !isspace(input);})) {
                std::cout << "Cannot contain non-numbers";
                continue;
            }

            int spaceCheck = static_cast<int>(std::ranges::count(timeInput.cbegin(), timeInput.cend(), ' '));

            if (spaceCheck != 4) {
                if (spaceCheck < 4)
                    std::cout << "Too few spaces\n";
                else if (spaceCheck > 4)
                    std::cout << "Too many spaces\n";
                std::cout << "Example of a working input: '25 02 2015 06 00' \n";
                std::cout << "Press enter to continue...";
                std::cin.get();
                continue;
            }
            continueLoop = false;
        }


        std::istringstream timeStream {timeInput};

        int day, month, year, hour, minute;

        timeStream >> day >> month >> year >> hour >> minute;

        // Assign the values to resultTime
        resultTime.tm_mday = day;
        resultTime.tm_mon = month - 1;
        resultTime.tm_year = year - 1900;
        resultTime.tm_hour = hour;
        resultTime.tm_min = minute;
        resultTime.tm_sec = 0;
    }
}