#include <stdio.h>
#include <stdlib.h>
#include <cs50.h>
#include "bmp.h"

#define SIZE 5

int main (int argc, char *argv[])
{
    printf("Hello, World\n");
    FILE *file_input = fopen(argv[1], "r");
    if (file_input == NULL)
    {
        printf("Cannot open file\n");
        return 1;
    }
    BYTE buffer[SIZE];
    int count = 0;
    int n = 0;
    char file_name[4];
    sprintf(file_name, "%03i.txt", n);
    FILE *text_file = fopen(file_name, "w");
    while(fread(buffer, sizeof(buffer), 1, file_input) == 1)
    {
        count++;
        printf("The first char is %#02x and second char is %#02x\n",buffer[0],buffer[1]);
        if (buffer[0] == 0x68 && buffer[1] == 0x2c)
        {
            printf("True\n");
            if (n == 0)
            {
                fwrite(buffer, sizeof(buffer), 1, text_file);
                n++;
            } // end of if
            if (n != 0)
            {
                fclose(text_file);
                sprintf(file_name, "%03i.txt", n);
                text_file = fopen(file_name, "w");
                n++;
            }
            fwrite(buffer, sizeof(buffer), 1, text_file);
        }
        if (n > 0)
        {
            fwrite(buffer, sizeof(buffer), 1, text_file);
        }

    } // End of card reading
    int size_buffer = sizeof(buffer);
    printf("The size of buffer is %i\n",size_buffer);
    printf("The number of loop run is %i\n",count);
    fclose(text_file);
    fclose(file_input);
} // End of main