// Compiler Includes
#include <stdio.h>


// Project Includes

// Constants
#define MAX_STRING_LENGTH 80
#define TRUE 1
#define HYWORD 2
#define FALSE 0
#define SPACE ' '
#define EOL '\n'
#define TAB '\t'
#define HYPHEN '-'
#define PERIOD '.'
#define EXCLAIM '!'
#define QUESTION '?'


int main(void) {

  // Local Variables
  char inputFileName[MAX_STRING_LENGTH] = {'\0'};
  FILE *inputFileHandle = NULL;                  
  char currentCharacter = '\0';
  int  endOfFileResult = 0;
  int  wordCount = 0;
  int  sentCount = 0;
  int  inWord = 0;
  int  endWord = 0;
  int  sentBegin = 0;
  int  sentEnd = 0;
  
  // Begin
// get input file
  printf("Enter file name: ");
  gets(inputFileName);
  printf("The file name entered is %s!\n", inputFileName);

  //open input file
  inputFileHandle = fopen(inputFileName, "r");

  // If input file does NOT exist then
  if (inputFileHandle == NULL) {
    // THERE IS NO INPUT FILE!!!!
    // Display error message to terminal
    printf("ERROR: The file %s could not be found!\n", inputFileName);
  } // end if
  else {
    // Else
    // THERE IS AN INPUT FILE!!!
    printf("Found the file!\n");
    printf("The file contents are:\n");
    printf("----------------------\n");
    endOfFileResult = fscanf(inputFileHandle, "%c", ¤tCharacter);
    // While not the end of file
    while (endOfFileResult != EOF) {
        
        // set up for word count
        if (currentCharacter >= 'A' && currentCharacter <= 'Z' ||
            currentCharacter >= '0' && currentCharacter <= '9' ||
            currentCharacter >= 'a' && currentCharacter <= 'z' ||
            currentCharacter == PERIOD || currentCharacter == QUESTION ||
            currentCharacter == EXCLAIM){
            inWord = TRUE;
            printf("%c", currentCharacter); }
         // end if for character scan
                           //determine if word  finished if it has a space tab or EOL
        if (inWord == TRUE && currentCharacter == SPACE || currentCharacter == TAB ||
                                 currentCharacter == EOL) {
            endWord = TRUE;
        } // end if of word determine
                                //increase word count if a word has started and ended
        if(inWord == TRUE && endWord == TRUE) {
            inWord = FALSE;
            endWord = FALSE;
            wordCount++;
            printf(" %d\n", wordCount);
        }
                                //designate what a hyphened word is
        if (currentCharacter == HYPHEN) {
            inWord = HYWORD;
        }//end if hyphen words
                                //if word is hyphened and not the EOL it is in a word
        if (inWord == HYWORD && currentCharacter == EOL) {
            inWord = TRUE;
        }//end if
                                 //if word is hyphened and not EOL increase word counter
        else if (inWord == TRUE && currentCharacter == EOL) {
            wordCount ++;
            inWord = FALSE;
        }//end else if

        // Starts sentences
                               // determine if sentence starts with alpha numeric
        if (currentCharacter >= 'A' && currentCharacter <= 'Z' ||
            currentCharacter >= '0' && currentCharacter <= '9' ||
            currentCharacter >= 'a' && currentCharacter <= 'z') {
                sentBegin = TRUE;
                sentEnd = FALSE;
        } // end if
                                  //determine what  defines the end of a sentence
        if (currentCharacter == PERIOD || currentCharacter == QUESTION
            || currentCharacter == EXCLAIM && currentCharacter != HYPHEN
                                  && currentCharacter != EOL) {
                sentEnd = TRUE;
        }//end if senence structure
                               // increase sentence counter if true after sentence begining
        if (sentBegin == TRUE && sentEnd == TRUE) //&& currentCharacter == SPACE ||
                                 currentCharacter == TAB || currentCharacter == EOL)
        {
                sentBegin = FALSE;
                sentEnd = FALSE;
                sentCount++;
                printf("  %d\n", sentCount);
        } //end if
        //end of file
        endOfFileResult = fscanf(inputFileHandle, "%c", ¤tCharacter);
    } // end while

    // Close input file
    fclose(inputFileHandle);

    // Display message that output file was created
    printf("The number of words are %d.\n", wordCount);
      printf("The number of sentences are %d.\n", sentCount);
    printf("\n\nProgram has successfully ended!\n");

  } // end else

} // end function main

        if (currentCharacter >= 'A' && currentCharacter <= 'Z' ||
            currentCharacter >= '0' && currentCharacter <= '9' ||
            currentCharacter >= 'a' && currentCharacter <= 'z' ||
            currentCharacter == PERIOD || currentCharacter == QUESTION ||
            currentCharacter == EXCLAIM) {
            inWord = TRUE;
            printf("%c", currentCharacter);
           }
         //end if for character scan

        //determine if word  finished if it has a space tab or EOL
            if (inWord == TRUE && currentCharacter == SPACE || currentCharacter == TAB ||
               currentCharacter == EOL) {
                   endWord = TRUE;
           }
           // end if of word determining if word has a space, tab, or eol

          //increase word count if a word has started and ended increase the word counter
           if(inWord == TRUE && endWord == TRUE) {
            inWord = FALSE;
            endWord = FALSE;
            wordCount++;
            printf(" %d\n", wordCount);
           }