#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>

int EOF_flag = 0;

char* get_input(FILE *file)
{
    char *input = NULL;
    size_t buf_size = 0;
    EOF_flag = getline(&input, &buf_size, file);
    return input;
}


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

    short opcode;
    int argcode;
    FILE *input;
    FILE *output;
    char *line = NULL;
    char *commandName;
    char *commandArg;
    size_t bufSize = 0;
    const int tabSize = 13;
    char *commands[] = {"JNS", "LOAD", "STORE", "ADD", "SUBT", "INPUT", "OUTPUT", "HALT", "SKIPCOND", "JUMP", "CLEAR", "ADDI", "JUMPI"};


    input = fopen(argv[1], "r");
    if(input == NULL) {
        printf("Błąd podczas otwierania pliku źródłowego\n");
        exit(EXIT_FAILURE);
    }

    output = fopen(argv[2], "w");
    if(output == NULL) {
        printf("Błąd podczas tworzenia pliku docelowego\n");
        exit(EXIT_FAILURE);
    }


    while(getline(&line, &bufSize, input) != -1) {
        char *temp;

        int p = 0;

        commandName = strtok(line, " ");
        commandArg = strtok(NULL, " \n");

        for(int i = 0; i < tabSize; i++) {
            if(strcmp(commandName, commands[i]) == 0) {
                opcode = i;
                if(commandArg != NULL) {
                    argcode = strtol(commandArg, NULL, 16);
                    short opcode_number = opcode << 12;
                    short arg_number = (short) argcode;
                    short result = opcode_number + arg_number;
                    fwrite(&result, sizeof result, 1, output);
                }
            }
        }
    }

}