#include <compiler/fzl_analyzer.h>
#include <compiler/fzl_parser.h>
#include <compiler/utils/fzl_symtable.h>
#include <stdio.h>

// Analyze identifier
fzl_an_res_t analyze_identifier(fzl_analyzer_t *analyzer, fzl_node_t *id)
{
  if (!analyzer)
    return (fzl_an_res_t){.error = true};

  if (!id || id->type != FZL_NODETYPE_IDENTIFIER)
  {
    an_push_error(analyzer, NULL, "node is not an identifier");
    return (fzl_an_res_t){.error = true};
  }

  char *symname = id->token->value;
  fzl_sym_t sym;
  bool sym_found = false;
  for (ssize_t i = analyzer->symbols_top - 1; i >= 0; i--)
  {
    if ((sym_found = fzl_symt_get(analyzer->symbols[i], symname, &sym)))
      break;
  }

  if (!sym_found)
  {
    snprintf(an_problem, sizeof(an_problem), "cannot find symbol '%s'",
             symname);
    an_push_error(analyzer, id->token, an_problem);
    return (fzl_an_res_t){.error = true};
  }

  return (fzl_an_res_t){
      .error = false, .type = sym.type, .classname = sym.classname};
}