#include <iostream>
#include <fstream>
#include <string.h>
#include <ctime>

using namespace std;

int main()
{
    char ignoreSpaces, saveTextInFile, text[256];
    int spaceCounter = 0, lineCounter = 0;
    ofstream file("TriangleText.txt");

    cout << "Enter the text from which you want to make a triangle!" << endl << "> ";
    cin.getline(text, sizeof(text));

    for (unsigned int i = 0; i < strlen(text); ++i)
        if (text[i] == ' ')
            ++spaceCounter;

    if (spaceCounter == 1)
        cout << endl << "The text contains a space character. Do you want to ignore it? (Y/N): ";

    if (spaceCounter > 1)
        cout << endl << "The text contains " << spaceCounter << " space characters. Do you want to ignore them? (Y/N): ";

    while ((spaceCounter >= 1) && (ignoreSpaces != 'y' && ignoreSpaces != 'Y' && ignoreSpaces != 'n' && ignoreSpaces != 'N'))
        cin >> ignoreSpaces;

    cout << endl << "-------------------------------------------------" << endl;;

    clock_t begin = clock();

    for (unsigned int i = 0; i < strlen(text); ++i)
    {
        if (ignoreSpaces == 'y' || ignoreSpaces == 'Y')
            while (text[i] == ' ')
                ++i;

        for (unsigned int j = 0; j <= i; ++j)
        {
            cout << text[j];
            file << text[j];
        }

        cout << endl;
        file << endl;

        ++lineCounter;
    }

    for (int i = strlen(text) - 2; i >= 0; --i)
    {
        if (ignoreSpaces == 'y' || ignoreSpaces == 'Y')
            while (text[i] == ' ')
                --i;

        for (int j = 0; j <= i; ++j)
        {
            cout << text[j];
            file << text[j];
        }

        cout << endl;
        file << endl;

        ++lineCounter;
    }

    clock_t end = clock();
    double elapsedSeconds = double(end - begin) / CLOCKS_PER_SEC;

    cout << "-------------------------------------------------" << endl;
    cout << lineCounter<<" line(s) created in " << elapsedSeconds << " seconds." << endl;
    cout << "To copy the text to clipboard highlight it and press CTRL+C buttons." << endl << endl;

    cout << "Do you want to save the triangle in a text file? (Y/N): ";
    while (saveTextInFile != 'y' && saveTextInFile != 'Y' && saveTextInFile != 'n' && saveTextInFile != 'N')
    {
        cin >> saveTextInFile;
        switch (saveTextInFile)
        {
            case 'Y':
            case 'y': cout << "File saved." << endl << endl; break;
            case 'N':
            case 'n': file.close(); remove("TriangleText.txt"); cout << "File deleted." << endl << endl; break;
        }
    }

    cout << "Press [Enter] to continue . . . ";
    getchar(); getchar();

    return 0;
}