#include "input.h"
#include <string.h>
#include <ctype.h>

// Read words from file and store in 'words' array
int readWords(FILE *file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
{
    unsigned int wordCount = 0;
    char line[MAX_LINE_LEN];
    
    // Read file line by line
    while (fgets(line, MAX_LINE_LEN, file) != NULL && wordCount < maxWordCount)
    {
        // Process each line to extract words separated by delimiters
        char *token = strtok(line, " ,;\n\t\r");
        
        while (token != NULL && wordCount < maxWordCount)
        {
            // Convert word to uppercase and store it
            unsigned int i = 0;
            while (token[i] != '\0' && i < MAX_WORD_LEN - 1)
            {
                words[wordCount][i] = toupper((unsigned char)token[i]);
                i++;
            }
            words[wordCount][i] = '\0';
            
            // Only count non-empty words
            if (i > 0)
            {
                wordCount++;
            }
            
            token = strtok(NULL, " ,;\n\t\r");
        }
    }
    
    return wordCount;
}