#include <cassert>
#include <cstdint>
#include <engine/core/engine.hpp>
#include <engine/core/engine_module.hpp>
#include <engine/utils/rev_range.hpp>
#include <memory>
#include <stdexcept>
#include <string>
#include <unordered_map>

class FirstTestModuleR1 : public MscEngineModule
{
public:
  std::string getName() const override { return "first_tmod"; };

  std::uint16_t getRev() const override { return 1; }

  const std::unordered_map<std::string, MscRevisionRange> &
  getDependencies() const override
  {
    static const std::unordered_map<std::string, MscRevisionRange> deps{};
    return deps;
  }

  void onInitialize(IMscEngineModuleAPI &engine) override {}
  void onStart(IMscEngineModuleAPI &engine) override {}
  void onUpdate(IMscEngineModuleAPI &engine,
                IMscEngineModuleAPI::clock::duration dt) override
  {
  }
  void onStop(IMscEngineModuleAPI &engine) override {}
  void onDestory(IMscEngineModuleAPI &engine) override {}
};

class FirstTestModuleR2 : public MscEngineModule
{
public:
  std::string getName() const override { return "first_tmod"; };

  std::uint16_t getRev() const override { return 2; }

  const std::unordered_map<std::string, MscRevisionRange> &
  getDependencies() const override
  {
    static const std::unordered_map<std::string, MscRevisionRange> deps{};
    return deps;
  }

  void onInitialize(IMscEngineModuleAPI &engine) override {}
  void onStart(IMscEngineModuleAPI &engine) override {}
  void onUpdate(IMscEngineModuleAPI &engine,
                IMscEngineModuleAPI::clock::duration dt) override
  {
  }
  void onStop(IMscEngineModuleAPI &engine) override {}
  void onDestory(IMscEngineModuleAPI &engine) override {}
};

class SecondTestModuleE1 : public MscEngineModule
{
public:
  std::string getName() const override { return "second_tmod"; }

  std::uint16_t getRev() const override { return 1; }

  const std::unordered_map<std::string, MscRevisionRange> &
  getDependencies() const override
  {
    static const std::unordered_map<std::string, MscRevisionRange> deps{
        {"first_tmod", MscRevisionRange{1, 1}}};
    return deps;
  }

  void onInitialize(IMscEngineModuleAPI &engine) override {}
  void onStart(IMscEngineModuleAPI &engine) override {}
  void onUpdate(IMscEngineModuleAPI &engine,
                IMscEngineModuleAPI::clock::duration dt) override
  {
  }
  void onStop(IMscEngineModuleAPI &engine) override {}
  void onDestory(IMscEngineModuleAPI &engine) override {}
};

class SecondTestModuleE2 : public MscEngineModule
{
public:
  std::string getName() const override { return "second_tmod"; }

  std::uint16_t getRev() const override { return 1; }

  const std::unordered_map<std::string, MscRevisionRange> &
  getDependencies() const override
  {
    static const std::unordered_map<std::string, MscRevisionRange> deps{
        {"first_tmod", MscRevisionRange{1, 2}}};
    return deps;
  }

  void onInitialize(IMscEngineModuleAPI &engine) override {}
  void onStart(IMscEngineModuleAPI &engine) override {}
  void onUpdate(IMscEngineModuleAPI &engine,
                IMscEngineModuleAPI::clock::duration dt) override
  {
  }
  void onStop(IMscEngineModuleAPI &engine) override {}
  void onDestory(IMscEngineModuleAPI &engine) override {}
};

void testSatisfiedModules()
{
  MscEngine engine({std::make_shared<FirstTestModuleR1>(),
                    std::make_shared<SecondTestModuleE1>()});
}

void testDuplicatedModules()
{
  try
  {
    MscEngine engine({
        std::make_shared<FirstTestModuleR1>(),
        std::make_shared<FirstTestModuleR2>(),
    });
    assert(false);
  }
  catch (const std::runtime_error &error)
  {
  }
}

void testUnsatisfiedModules()
{
  try
  {
    MscEngine engine({std::make_shared<FirstTestModuleR2>(),
                      std::make_shared<SecondTestModuleE1>()});
    assert(false);
  }
  catch (const std::runtime_error &error)
  {
  }
}

void testSatisfiedMultiversionModule()
{
  MscEngine engine({std::make_shared<FirstTestModuleR2>(),
                    std::make_shared<SecondTestModuleE2>()});
}

int main()
{
  testSatisfiedModules();
  testDuplicatedModules();
  testUnsatisfiedModules();
  testSatisfiedMultiversionModule();

  return 0;
}