#include <iostream>
#include <map>
#include <string>
#include <sstream>
#include <fstream>


int main()
{
    std::map<char, int> alphabet;
    std::string alphString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    int stringOfNumbers = 1;
    int iterations = 0;
// put every letter of the alphabet into std::map
    for(int i = 0; i != alphString.length(); i ++){
        alphabet.insert(std::pair<char, int>(alphString[i], i+1));
    }
    for(std::map<char, int>::iterator it = alphabet.begin(); it != alphabet.end(); it ++){
        std::cout << it->first << " => " << it->second << std::endl;
    } std::cout << std::endl;

// first file open to read number of lines (there is 7 lines)
    std::fstream file("test.txt");
    int countLines = 0;
    if(file.is_open()){
        std::string word;
        while(getline(file, word)){
            std::istringstream iss(word);
            while(iss){
                std::string s;
                iss >> s;
                countLines++;
            }
        }
        file.close();
    }
// second file open to read character by character and calculate
    std::fstream file2("test.txt");
    if(file2.is_open()){
        char singleLetter;
        int sum = 0;
        while(file2.get(singleLetter)){
            std::cout << alphabet.find(singleLetter)->first << " => " << alphabet.find(singleLetter)->second << std::endl;
// sum the values of the single chars for the whole word
            sum += alphabet.find(singleLetter)->second;
        } std::cout << "Sum: " << sum << std::endl;
// I musted divide by 2, because lines were counted somehow bad
        std::cout << "Lines: " << countLines/2 << std::endl;
        file2.close();
    } std::cout << std::endl;
// first ten elements of the string of numbers
    for(int i = 2; iterations != 10; i ++){
        stringOfNumbers += i;
        std::cout << stringOfNumbers << " ";
        iterations++;
    }



    return 0;
}