#include ".\updatemanager.h"
#include "LauncherUpdate.h"
#include "ApplicationUpdate.h"
#include "UpdateScriptInfo.h"


HWND	CUpdateManager::m_hWnd = NULL;

CUpdateManager::CUpdateManager(void)
{
	m_pApplicationUpdate = NULL;
	m_pLauncherUpdate = NULL;
	m_hThread = NULL;
}


CUpdateManager::~CUpdateManager(void)
{
}

VOID	CUpdateManager::Release()
{
	if( m_pLauncherUpdate )			m_pLauncherUpdate->StopUpdate();
	if( m_pApplicationUpdate )		m_pApplicationUpdate->StopUpdate();

	WaitForSingleObject( m_hThread, INFINITE );

	if( m_hThread )
	{
		CloseHandle( m_hThread );
		m_hThread = NULL;
	}

	if(	m_pLauncherUpdate )
	{
		delete m_pLauncherUpdate;
		m_pLauncherUpdate = NULL;
	}

	if( m_pApplicationUpdate )
	{
		delete m_pApplicationUpdate;
		m_pApplicationUpdate = NULL;
	}
}

// 여기서는 각각의 Update모듈을 생성하고, 스크립트를 파싱한다.
// 파싱한 스크립의 내용을 각각의 Update모듈에 입력한다.
// bApplyScript : 스크립트의 UpdateNumber를 적용할지, 아니면 뒤에 입력한 값을 적용할지 선택.
BOOL	CUpdateManager::Init( eLAUNCHER_START_TYPE StartType, BOOL bApplyScript, BYTE byAppUpdateNumber, TCHAR* pszSubParam )
{
	//1. INI파일 로드
	if( !CUpdateScriptParser::GetInstance()->IsLoad() )
		return FALSE;

	if(	m_pLauncherUpdate )		delete m_pLauncherUpdate;
	m_pLauncherUpdate = new CLauncherUpdate;

	if( m_pApplicationUpdate )		delete m_pApplicationUpdate;
	m_pApplicationUpdate = new CApplicationUpdate;

	//Init
	/************************************************************************/
	/* Launcher                                                             */
	/************************************************************************/
	//1. Launcher
	if( !m_pLauncherUpdate->Init() )	return FALSE;
	// 다운로드 디렉토리 설정
	m_pLauncherUpdate->SetStartType( StartType );
	std::string strLauncherBasicDownDir, strLauncherBasicExecuteDir;
	strLauncherBasicDownDir = CUpdateScriptParser::GetInstance()->m_LauncherInfo.m_szDownPath;
	strLauncherBasicDownDir += "\\Down";
	m_pLauncherUpdate->SetLocalBasicDownDir( (TCHAR*)strLauncherBasicDownDir.c_str() );
	m_pLauncherUpdate->SetLocalBasicExecuteDir( CUpdateScriptParser::GetInstance()->m_LauncherInfo.m_szExecutePath );
	m_pLauncherUpdate->SetUpdateNumber( CUpdateScriptParser::GetInstance()->m_LauncherInfo.m_nUpdateNumber );
	m_pLauncherUpdate->SetExecuteParameter( pszSubParam );

	//2. 프로세스 정보 설정
	int nLauncherCount = CUpdateScriptParser::GetInstance()->m_LauncherInfo.m_nTotalProcessCount;
	for( int i = 0; i < nLauncherCount; i++ )
	{
		PROCESS_INFO* pProcessInfo = CUpdateScriptParser::GetInstance()->m_LauncherInfo.GetProcessInfo( i + 1 );
		if( !pProcessInfo )	return FALSE;
		m_pLauncherUpdate->InsertProcessInfo( pProcessInfo );
	}

	/************************************************************************/
	/* Application                                                          */
	/************************************************************************/
	if( !m_pApplicationUpdate->Init() )	return FALSE;
	// 다운로드 디렉토리 설정
	m_pApplicationUpdate->SetStartType( StartType );
	m_pApplicationUpdate->SetLocalBasicDownDir( CUpdateScriptParser::GetInstance()->m_ApplicationInfo.m_szDownPath );
	m_pApplicationUpdate->SetLocalBasicExecuteDir( CUpdateScriptParser::GetInstance()->m_ApplicationInfo.m_szExecutePath );
	BYTE byUpdateNumber = 0;
	if( bApplyScript )		byUpdateNumber = CUpdateScriptParser::GetInstance()->m_ApplicationInfo.m_nUpdateNumber;
	else					byUpdateNumber = byAppUpdateNumber;
	m_pApplicationUpdate->SetUpdateNumber( byUpdateNumber );

	//2. 프로세스 정보 설정
	int nApplicationCount = CUpdateScriptParser::GetInstance()->m_ApplicationInfo.m_nTotalProcessCount;
	for( int i = 0; i < nApplicationCount; i++ )
	{
		PROCESS_INFO* pProcessInfo = CUpdateScriptParser::GetInstance()->m_ApplicationInfo.GetProcessInfo( i + 1 );
		if( !pProcessInfo )	return FALSE;
		m_pApplicationUpdate->InsertProcessInfo( pProcessInfo );
	}

	return TRUE;
}

//이함수에서 쓰레드가 생성되며, 이 쓰레드 안에서 패치가 이루어 진다.
VOID	CUpdateManager::StartUpdate()
{
	//Update Thread 가동
	m_unThreadID = 2;
	m_hThread = (HANDLE)_beginthreadex (NULL, NULL, UpdateThread, (void*)this, 0, &m_unThreadID);
	if( m_hThread == INVALID_HANDLE_VALUE )
	{
		MessageBox( NULL, "업데이트 쓰레드 생성 실패", NULL, MB_OK );
		return;
	}

	return;
}

BOOL	CUpdateManager::ExecuteUpdate()
{
	//0. CallBack Msg 정의
	m_pLauncherUpdate->SetMsgCallBack( SendWndMessage );
	m_pApplicationUpdate->SetMsgCallBack( SendWndMessage );

	//1. 런처 FTP 연결 
	CUpdateProcessInfo& rLauncherInfo = CUpdateScriptParser::GetInstance()->m_LauncherInfo;
	if( !m_pLauncherUpdate->ConnectFTP( rLauncherInfo.m_szFtpIP, rLauncherInfo.m_wFtpPort, rLauncherInfo.m_szID, rLauncherInfo.m_szPass ) )
		return FALSE;

	//2. 런처 업데이트는 실패하든 성공하든, 다음으로 넘어간다.
	m_pLauncherUpdate->StartUpdate();

	//3. 런처 업데이트 완료 되었으므로, Disconnect한다.
	m_pLauncherUpdate->DisconnectFTP();

	//4. 어플리케이션 FTP 연결 
	CUpdateProcessInfo& rAppInfo = CUpdateScriptParser::GetInstance()->m_ApplicationInfo;
	if( !m_pApplicationUpdate->ConnectFTP( rAppInfo.m_szFtpIP, rAppInfo.m_wFtpPort, rAppInfo.m_szID, rAppInfo.m_szPass ) )
		return FALSE;

	//5. 어플리 케이션은 업데이트가 하나만 실패해도, 실패하도록 한다.
	if( !m_pApplicationUpdate->StartUpdate() )
		return FALSE;

	return TRUE;
}

BOOL	CUpdateManager::SaveVersion( BYTE byUpdateType, BYTE byUpdateNumber, CVersionInfo& rInfo )
{
	return CUpdateScriptParser::GetInstance()->SaveVersion( byUpdateType, byUpdateNumber, rInfo );
}

VOID	SendWndMessage( UINT unMsgType, VOID* pData )
{
	if( !CUpdateManager::m_hWnd )		return;

	if( unMsgType ==  WM_UPDATE_VERSION_ALARM )
	{
		UPDATE_INFO* pUpdateInfo = (UPDATE_INFO*)pData;
		if( !pUpdateInfo )	return;
		CVersionInfo verInfo;
		verInfo.SetVersionFromString( pUpdateInfo->m_szProcessVer );
		eUPDATE_TYPE type = CUpdateScriptParser::GetInstance()->GetUpdateTypeFromProcName( pUpdateInfo->m_szProcessName );
		CUpdateManager::SaveVersion( type, pUpdateInfo->m_byUpdateNumber, verInfo );
	}

	PostMessage( CUpdateManager::m_hWnd, unMsgType, (WPARAM)unMsgType, (LPARAM)pData );
}


unsigned __stdcall CUpdateManager::UpdateThread( void* pParam )
{
	CUpdateManager* pManager = (CUpdateManager*)pParam;

	pManager->ExecuteUpdate();
	
	SendWndMessage( WM_TERMINATE_PROCESS, "" );

	return 1;
}