#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "transition.h"
#include "game.h"
#include "util.h"

void load_transition(Game *g, char *line) {
  char *token = strtok(line, "|");
  g->transitions->transitions[g->transitions->count].from = find_room(g->rooms, token);

  token = strtok(NULL, "|");
  g->transitions->transitions[g->transitions->count].via = command_from_string(token);

  token = strtok(NULL, "|");
  g->transitions->transitions[g->transitions->count].to = find_room(g->rooms, token);

  token = strtok(NULL, "\n");
  g->transitions->transitions[g->transitions->count].description = malloc(strlen(token) + 1);
  strcpy(g->transitions->transitions[g->transitions->count].description, token);
    
  g->transitions->count++;
}

#include "data/transitions.c"
void game_load_transitions(Game *g) {
  parse_multiline_string(g, data_transitions_txt, &load_transition);
}

Transition *find_transition(Transitions *t, Room *from, Command via) {
  for (int i = 0; i < t->count; i++) {
    Transition *candidate = &t->transitions[i];
    if (candidate->from == from && candidate->via == via) return candidate;
  }

  return NULL;
}