// Shane Davis
// Function of the program is to take an input resume and input keywords and count how many times the keywords appear in the resume
// DOES NOT WORK, the counting portion of the program does not work. See below for more information
#define _CRT_SECURE_NO_DEPRECATE
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#define pause system("pause")
#define clrcmd system("CLS")

// Function Prototypes
void loadTxt(char* resume, char* keywords);

void main()
{
    // Declaring Variables

    char resume[1000] = { '\0' }, keywordInput[1000] = { '\0' }; // Strings that will contain the resume from the resume.txt and the keywords from keywords.txt
    char keywords[100][100]; // 2D character array that stores each individual keyword seperately
                                          //     Keyword
                                          // 0   keyword0
                                          // 1   keyword1
                                          // 100 keyword100
    for (int i = 0; i < 100; i++) // Filling keywords with null characters so that the output isnt a complete mess
    {
        for (int j = 0; j < 100; j++)
        {
            keywords[i][j] = '\0';
        }
    }

    int keywordPos = 0; // Tracks the position of the first part of the entry for keywords[][]
    int keywordInputPos = 0; // Tracks the amount of characters in each keyword so that it can be assigned to the second part in keyword[][]
    int keywordCount = 0; // Total count from the amount of keywords in the resume

    // Import the words from the .txt files
    loadTxt(resume, keywordInput);

    // Seperate keywordInput into individual entries in keywords
    for (int i = 0; keywordInput[i] != '\0'; i++)
    {
        if (keywordInput[i] != ',')
        {
            keywords[keywordPos][keywordInputPos] = keywordInput[i];
            keywordInputPos++;

        } else
        {
            keywordPos++;
            keywordInputPos = 0;
        }

    }

    // The magic
    char* token = { '\0' };
    char tempResume[1000] = { '\0' };
    for (int i = 0; i < 1000; i++)
    {
        tempResume[i] = resume[i];
    }
    token = strtok(tempResume, "., ");
    while (token != NULL)
    {
        for (int i = 0; i < keywordPos+1; i++)
        {
            if (strcmp(token, keywords[i]) == 0)
            {
                keywordCount++;
            }
        }
        token = strtok(NULL, "., ");
    }


    // Display output
    printf("Input from resume: %s\n"
           "Input and separated keywords: "
           ,resume);
    for (int i = 0; i < 100; i++)
    {
        printf("%s ", keywords[i]);
    }
    printf("\nKeywords Counted: %d words", keywordCount);
}

void loadTxt(char* resume, char* keywords)
{
    FILE* resumeTxt, * keywordsTxt; // File pointers to their respective files

    // Open, scan, and close the resume.txt
    resumeTxt = fopen("resume.txt", "r+");
    fread(resume, 1, 1000, resumeTxt);
    fclose(resumeTxt);

    // Open, scan, and close the keywords.txt
    keywordsTxt = fopen("keywords.txt", "r");
    fread(keywords, 1, 1000, keywordsTxt);
    fclose(keywordsTxt);
}