#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../includes/list.h"
#include "../includes/lexer.h"
#include "../includes/parser.h"

typedef struct {
    char *opcode;
    unsigned char count;
    char** parameters;
} Instruction;

List* get_strings(const char*);

int main(int argc, char* args[]) {
    if (argc == 1) {
        printf("Input files required.\n");
        return -1;
    }

    FILE *file;
    int line_count = 1;
    char* line = NULL;
    size_t len = 0;
    ssize_t bytes_read;
    int line_number = 1;

    file = fopen(args[1], "r");

    if (!file) {
        printf("Failed to open '%s' for reading.\n", args[1]);
        return 1;
    }
    
    //getline() uses realloc() for the line parameter, so there shouldn't
    //be any issue with memory leaks as long as the last time this function
    //is called, line gets free()ed.
    while((bytes_read = getline(&line, &len, file)) != -1) {
        List* tokens = GetTokensFromLine(line);

        if (line_number == 1 || line_number == 2) {
            ParseTokens(tokens);
        }

        for (int i = 0; i < tokens->size; i++) {
            Token* t = (Token*) tokens->content[i];

            printf("Token Type: '%d' Value: '%s' (%d)\n", t->type, t->value, line_number);

            free(t->value);
        }

        DestroyList(tokens);

        line_number++;
    }

    fclose(file);

    if (line) free(line);
}