#pragma once

#include <extra2d/core/types.h>
#include <squirrel.h>
#include <string>

namespace extra2d {

class ScriptEngine {
public:
  static ScriptEngine &getInstance();

  ScriptEngine(const ScriptEngine &) = delete;
  ScriptEngine &operator=(const ScriptEngine &) = delete;

  bool initialize();
  void shutdown();

  bool executeString(const std::string &code);
  bool executeFile(const std::string &filepath);

  HSQUIRRELVM getVM() const { return vm_; }
  bool isInitialized() const { return vm_ != nullptr; }

private:
  ScriptEngine() = default;
  ~ScriptEngine();

  bool compileAndRun(const std::string &source, const std::string &sourceName);

  static void printFunc(HSQUIRRELVM vm, const SQChar *fmt, ...);
  static void errorFunc(HSQUIRRELVM vm, const SQChar *fmt, ...);
  static SQInteger errorHandler(HSQUIRRELVM vm);
  static void compilerError(HSQUIRRELVM vm, const SQChar *desc,
                            const SQChar *source, SQInteger line,
                            SQInteger column);

  HSQUIRRELVM vm_ = nullptr;
};

} // namespace extra2d