/***
    mockcpp is a generic C/C++ mock framework.
    Copyright (C) <2009>  <Darwin Yuan: darwin.yuan@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
***/

#ifndef __MOCKCPP_CHAINABLE_MOCK_METHOD_H
#define __MOCKCPP_CHAINABLE_MOCK_METHOD_H

#include <mockcpp/mockcpp.h>
#include <mockcpp/types/Any.h>
#include <mockcpp/types/AnyCast.h>
#include <mockcpp/Invocation.h>
#include <mockcpp/Invokable.h>
#include <mockcpp/Result.h>
#include <mockcpp/Asserter.h>
#include <mockcpp/ReportFailure.h>

MOCKCPP_NS_START

struct SelfDescribe;

template <typename RT>
struct ChainableMockMethodBase
{
  ChainableMockMethodBase(Invokable* invokable_)
    : invokable(invokable_)
  {}

  RT operator()(const std::string& nameOfCaller
    , const RefAny& pThisPointer = RefAny()
    , const RefAny& p01 = RefAny()
    , const RefAny& p02 = RefAny()
    , const RefAny& p03 = RefAny()
    , const RefAny& p04 = RefAny()
    , const RefAny& p05 = RefAny()
    , const RefAny& p06 = RefAny()
    , const RefAny& p07 = RefAny()
    , const RefAny& p08 = RefAny()
    , const RefAny& p09 = RefAny()
    , const RefAny& p10 = RefAny()
    , const RefAny& p11 = RefAny()
    , const RefAny& p12 = RefAny()
    )
  {
    SelfDescribe* resultProvider = 0;

    try {
      const Any& result = \
        invokable->invoke(nameOfCaller, pThisPointer
          , p01, p02, p03, p04, p05, p06
          , p07, p08, p09, p10, p11, p12
          , resultProvider);
      return getResult(result, resultProvider);
    } catch (std::exception& ex)
    {
      MOCKCPP_REPORT_FAILURE(ex.what());
    }
    const Any& dummyResult = Any();
    return getResult(dummyResult, resultProvider);
  }

  virtual ~ChainableMockMethodBase() {}

protected:

  virtual RT getResult(const Any& result, SelfDescribe*) = 0;

private:

  Invokable* invokable;
};


//////////////////////////////////////////////////////////////////
template <typename RT>
struct ChainableMockMethod : public ChainableMockMethodBase<RT>
{
  RT getResult(const Any& anyResult, SelfDescribe* resultProvider)
  {
    const Any& result = \
      Result(any_castable<RT>(anyResult)
        , typeid(RT)
        , TypeString<RT>::value()
        , resultProvider).getResult(anyResult);

    MOCKCPP_ASSERT_FALSE_MESSAGE(
      "The return value for a non-void method was not specified",
      result.empty());

    return any_cast<RT>(result);
  }

public:

  ChainableMockMethod(Invokable* invokable)
    : ChainableMockMethodBase<RT>(invokable)
  {}
};

//////////////////////////////////////////////////////////////////
template <>
struct ChainableMockMethod<void> : public ChainableMockMethodBase<void>
{
  void getResult(const Any& result, SelfDescribe*)
  {
  }

public:

  ChainableMockMethod(Invokable* invokable)
    : ChainableMockMethodBase<void>(invokable)
  {}
};

//////////////////////////////////////////////////////////////////

MOCKCPP_NS_END

#endif