//Tylr Taormina
//CST 116
//Dec 3, 2021



#include <iostream>
#include <fstream>
#include <stdio.h>
#include <string>
#include <algorithm>

using std::cin;
using std::cout;
using std::endl;
using std::ifstream;
using std::ofstream;
const int MAX = 10;

int ReadData (ifstream &inFile, std::string data_arr[MAX]);
void CharCount (std::string data_arr[MAX], int length_arr[MAX], int charCount_arr[MAX]);
void FindLength(std::string data_arr[MAX], int length_arr[MAX]);


int main()
{
    //stand alone objects
    std::string input;
    int flag;
    int i;
    int record_counter = 0;

    //arrays
    std::string data[MAX]; //holds strings.
    int length_arr[MAX]; //keeps track of full length of strings. Counts characters including spaces.
    int charCount_arr[MAX]; //


    //display the file choices
    cout << "THE FILES WE HAVE TO CHOOSE FROM: " << endl;
    cout << "===================================================" << endl;
    cout << "data.txt" << endl;
    cout << "data2.txt" << endl;
    cout << "hello.txt\n\n" << endl;


    cout << "Please enter a name for the file to open: ";
    cin >> input;
    
    //modify input to avoid case sensitivity errors
    transform(input.begin(), input.end(), input.begin(), ::tolower);

    ifstream inFile;
    inFile.open (input);

    if ( inFile.is_open ( ) )
    {

        record_counter = ReadData (inFile, data);
        inFile.close ( );
        flag = 1;
    }
    
    else
    {
        cout << "Trouble Opening File: " << input << endl;
        cout << "Check to make sure your spelling is correct for the file you are trying to open. Include .txt or whatever file extension is relevant." << endl;
        cout << "\n\n\t\t ** About to EXIT NOW! ** ";
        flag = 0;
    }

    //Build arrays. See functions below for descriptions.
    FindLength(data, length_arr);
    CharCount(data, length_arr, charCount_arr);
   
    // the flag helps to only display info if we can open the file.
    if (flag == 1) 
    {
        for (i = 0; i < record_counter; i++)
        {
            cout << i+1 << ") " << data[i] << " (" << charCount_arr[i] << " characters not counting spaces)" << endl;

        }
    }
       return 0;

}


int ReadData(ifstream &inFile, std::string data_arr[MAX])
    //Reads data into an array of strings using new lines
    //as the indicator to end the array. 
{
    int counter = 0;

    getline(inFile, data_arr[0],'\n');

    while ( !inFile.eof ( ) )
    {
        counter++;
        getline(inFile, data_arr[counter], '\n'); 
    }

    return counter;
}


void FindLength(std::string data_arr[MAX], int length_arr[])
    //Finds the length of each string in the array
    //counting the number of spaces. This helps 
    //keep us within the scope of our array when 
    //counting characters in the CharCount function.
{
    int i;

    for (i = 0; i < MAX; i++)
    {
        length_arr[i] = data_arr[i].size();
    }

}


void CharCount (std::string data_arr[MAX], int length_arr[], int charCount_arr[MAX])
    //Counts the number of characters not including spaces. If we wanted 
    //to include spaces, we could simply use the length array that is 
    //built in the FindLength function.
{
    int ctr = 0;
    int i, j;

    for (i = 0; i < MAX; i++)
    {
        for (j = 0; j < length_arr[i]; j++)
        {
            if (data_arr[i][j] != ' ')
                ctr++;
        }
        charCount_arr[i] = ctr;
        ctr = 0;
    }
}