/*
 * RenameModuleCmd.cpp
 *
 *  Created on: 2012-10-10
 *      Author: limengzhuo
 */
#include <QDebug>
#include "RenameModuleCmd.h"
#include "ModuleGraphicsItem.h"
#include "ModuleConnectGraphicsItem.h"
#include "PaiWorkflowDataModel.h"
#include "GlobalModuleBackup.h"
#include "ModuleConnection.h"
#include "ModuleInformation.h"
#include "GlobalWorkflowItems.h"
#include "WorkflowSceneManager.h"
#include "WorkFlowFile.h"

using namespace pai;
using namespace pai::graphics2d;
using namespace pai::workflow;

namespace pai
{
	RenameModuleCmd::RenameModuleCmd(pai::graphics2d::WorkflowSceneManager *pSceneManager,
									 pai::objectmodel::PaiWorkflowDataModel *pWorkflow,
									 QList<QGraphicsItem*> /*list*/,
									 QGraphicsItem* pItem,
									 QString newName,
									 QUndoCommand *parent) :
		QUndoCommand(parent)
	{
		m_pSceneManager = pSceneManager;
		m_pWorkflow = pWorkflow;
		m_sNewName = newName;
		ModuleGraphicsItem *pModuleItem = dynamic_cast<ModuleGraphicsItem *>(pItem);
		if (pModuleItem)
		{
			m_stepId = pModuleItem->GetModule()->GetStepID();
			if (pModuleItem->GetModule()->IsBlankModule())
			{
				m_originalName = "";
			}
			else
			{
				m_originalName = QString::fromStdString(pModuleItem->GetModule()->GetClassName());
			}
			m_connectionList = GetRemovedModuleConnections(m_stepId);
		}
		else
		{
			m_stepId = 0;
		}
	}

	RenameModuleCmd::~RenameModuleCmd()
	{
		qDeleteAll(m_connectionList);
		m_connectionList.clear();
	}

	void RenameModuleCmd::undo()
	{
		if(!m_pSceneManager)
		{
			return;
		}

		rename(m_sNewName, m_originalName);
	}

	void RenameModuleCmd::redo()
	{
		if(!m_pSceneManager)
		{
			return;
		}

		rename(m_originalName, m_sNewName);
	}

	void RenameModuleCmd::rename(QString originalName, QString newName)
	{
		m_pSceneManager->SetFocusViewport();

		if (m_stepId > 0)
		{
			//在做重命名之前先清理掉模块相关所有连线
			foreach(CModuleConnection *pConnection,m_connectionList)
			{
				CModuleConnection* pConnectNeedRemove = m_pWorkflow->GetConnection(pConnection);
				if(pConnectNeedRemove)
				{
					m_pSceneManager->DeleteConnection(pConnectNeedRemove);
					m_pWorkflow->RemoveConnection(pConnectNeedRemove);
				}
			}
			ModuleGraphicsItem *pModuleItem = GlobalWorkflowItems::GetInstance()->FindModule(m_pSceneManager, m_stepId);
			GlobalModuleBackup *moduleBackup = ::GetGlobalModuleBackup();
			moduleBackup->RemoveBackupModule(m_pWorkflow->GetID(),pModuleItem->GetModule());
			workflow::CModuleInformation* pNewModule = m_pWorkflow->ReplaceModule(pModuleItem->GetModule(), newName.toStdString());
			pModuleItem->SetModule(pNewModule);
			moduleBackup->InsertBackupModule(m_pWorkflow->GetID(),pNewModule);

			//更新模块名称以后，根据模块输入端口决定是否添加连线
			if(pModuleItem->GetInputPortCount() > 0)
			{
				foreach(CModuleConnection *pConnection,m_connectionList)
				{
					if(pConnection->GetDestId() == m_stepId)
					{
						CModuleConnection* pNewConnection = new CModuleConnection();
						pConnection->CopyTo(*pNewConnection);
						m_pWorkflow->AddConnection(pNewConnection);
						m_pSceneManager->AddConnection(pNewConnection);
					}
				}
			}
			//更新模块名称以后，根据模块输出端口决定是否添加连线
			if(pModuleItem->GetOutputPortCount() > 0)
			{
				foreach(CModuleConnection *pConnection,m_connectionList)
				{
					if(pConnection->GetSourceId() == m_stepId)
					{
						CModuleConnection* pNewConnection = new CModuleConnection();
						pConnection->CopyTo(*pNewConnection);
						m_pWorkflow->AddConnection(pNewConnection);
						m_pSceneManager->AddConnection(pNewConnection);
					}
				}
			}

			//保证改名后进行一次模块验证的结果能进行模块颜色和submit按钮的状态的设置
			if (pNewModule->IsBlankModule())
			{
				pai::graphics2d::PaiModuleStyle* pStyle = new PaiModuleStyle();
				pModuleItem->SetStyle(pStyle);
				pModuleItem->SetInitialValidated(false);
			}

			if (originalName != newName)
			{
				pModuleItem->SetDisable(false);
			}
			pModuleItem->update();

			if(pModuleItem && pModuleItem->GetModule())
			{
				m_pSceneManager->SelectModuleItem(pModuleItem->GetModule()->GetStepID());
			}

			if (pNewModule->IsBlankModule())
			{
				pai::graphics2d::ModuleGraphicsItem::m_EventAgent.ItemSetName(pModuleItem);
			}
		}
	}

	QList<workflow::CModuleConnection*> RenameModuleCmd::GetRemovedModuleConnections(int stepId)
	{
		QList<workflow::CModuleConnection *> connectionList;
		connectionList.clear();

		for (unsigned int i = 0; i < m_pWorkflow->GetWorkflowFile()->GetModuleConnections()->size(); i++)
		{
			workflow::CModuleConnection* pConnection = m_pWorkflow->GetWorkflowFile()->GetModuleConnections()->at(i);

			if (pConnection->GetDestId() == stepId || pConnection->GetSourceId() == stepId)
			{
				workflow::CModuleConnection* pConnectionBackup = new workflow::CModuleConnection();
				pConnection->CopyTo(*pConnectionBackup);
				connectionList << pConnectionBackup;
			}
		}
		return connectionList;
	}
}