#include <cstdio>
#include <cstring>
#include <cerrno>
#include <cstdint>
#include <memory>
#include <limits>

#include <unistd.h>

#include "common.hh"
#include "util.hh"
#include "TreFile.hh"
#include "IffFile.hh"
#include "ObjDecoder.hh"
#include "PaletteDecoder.hh"
#include "render/Renderer.hh"
#include "game/GSShowObject.hh"

void usage(char *argv0) {
  fprintf(stderr, "Usage: %s [-h] [-ppalt] resource-path\n", argv0);
  fprintf(stderr, "\tAttempt to decode the object stored in the resource\n");
  fprintf(stderr, "\t-p palt\tUse palette \"palt\"");
  fprintf(stderr, "\t-h\tPrint this help\n");
}

int main(int argc, char *argv[]) {
  std::string inPath, paltFile = "tmp/1DC61F50";
  
  {
    int opt;
    while ((opt = getopt(argc, argv, "hp:")) != -1) {
      switch (opt) {
      case 'h':
	usage(argv[0]);
	return 0;
      case 'p':
	paltFile = optarg;
	break;
      default:
	usage(argv[0]);
	return 1;
      }
    }

    if (optind != argc-1) {
      usage(argv[0]);
      return 1;
    }

    inPath = argv[optind];
  }

  try {
    PaletteDecoder palt{paltFile};
    
    auto obj = std::make_unique<ObjDecoder>(inPath);

    render::Renderer renderer;
    renderer.pushGS(std::make_unique<game::GSShowObject>(renderer, *obj, palt));

    renderer.run();
  } catch (POSIXException &ex) {
    fflush(stdout);
    fprintf(stderr, "%s\n", ex.toString().c_str());
    return 2;
  } catch (Exception &ex) {
    fflush(stdout);
    fprintf(stderr, "%s\n", ex.toString().c_str());
    return 3;
  }
  
  return 0;
}