#include "LCS.h"


int main(int argc, char * argv[])
{

    /*
    if (argc < 3) {
        printf("Incorret number of arguments!\n");
        exit(1);
    }
    printf("argc = %d\n", argc);
    for (int i=1; i<argc; i++) {
        fputs(argv[i], stdout);
        printf("\n");
    }
    */


    //Creating struct variables to store the files
    struct file file_1, file_2;
    //Opening the files
    file_1.content = fopen("file21.ll", "r");
    file_2.content = fopen("file22.ll", "r");
    //Returns error if some file fails to open
    if (file_1.content == NULL) {
        perror("Error opening file\n");
    }
    if (file_2.content == NULL) {
        perror("Error opening file\n");
    }
    //Uses the function to format input for file_1 and file_2
    format_input (&file_1);
    format_input (&file_2);
    //Uses the function to return the lcs_matrix
    int ** algorithm_matrix = lcs_matrix(&file_1, &file_2);
    //Creates a int variable that will store the size of the lcs
    int lcs_size = 0;
    //Uses the function to return the LCS
    char ** common_code = get_common_subsequence (&file_1, &file_2, algorithm_matrix, &lcs_size);
    //Prints the LCS
    for (int i =0; i<lcs_size; i++)
    {
        fputs(common_code[i], stdout);
    }
    printf("\n");
    //Uses functions to free the dynamically allocated elements
    free_lcs_matrix(algorithm_matrix, file_1, file_2);
    free_struct_file (file_1);
    free_struct_file (file_2);
    free_lcs(common_code, lcs_size);

    //CLOSES THE FILES

    int close_1 = fclose(file_1.content);
    if (close_1 != 0)
    {
        printf("error closing the file\n");
    }

    int close_2 = fclose(file_2.content);
    if (close_2 != 0)
    {
        printf("error closing the file\n");
    }


    system("pause");
    return 0;
}