//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2013, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// dlgRepListen.cpp - PostgreSQL Slony-I Listen Property
//
//////////////////////////////////////////////////////////////////////////

// wxWindows headers
#include <wx/wx.h>

// App headers
#include "pgAdmin3.h"

#include "slony/dlgRepListen.h"
#include "slony/slCluster.h"
#include "slony/slNode.h"
#include "slony/slListen.h"
#include "schema/pgDatatype.h"

// pointer to controls

#define cbOrigin        CTRL_COMBOBOX("cbOrigin")
#define txtReceiver     CTRL_TEXT("txtReceiver")
#define cbProvider      CTRL_COMBOBOX("cbProvider")




BEGIN_EVENT_TABLE(dlgRepListen, dlgProperty)
	EVT_COMBOBOX(XRCID("cbOrigin"),       dlgRepListen::OnChange)
	EVT_COMBOBOX(XRCID("cbProvider"),     dlgRepListen::OnChange)
END_EVENT_TABLE();


dlgProperty *slListenFactory::CreateDialog(frmMain *frame, pgObject *node, pgObject *parent)
{
	return new dlgRepListen(this, frame, (slListen *)node, (slNode *)parent);
}

dlgRepListen::dlgRepListen(pgaFactory *f, frmMain *frame, slListen *l, slNode *n)
	: dlgRepProperty(f, frame, n->GetCluster(), wxT("dlgRepListen"))
{
	listen = l;
	node = n;
}


pgObject *dlgRepListen::GetObject()
{
	return listen;
}


int dlgRepListen::Go(bool modal)
{
	txtReceiver->SetValue(IdAndName(node->GetSlId(), node->GetName()));
	txtReceiver->Disable();

	if (listen)
	{
		// edit mode
		cbOrigin->Append(IdAndName(listen->GetSlId(), listen->GetName()));
		cbOrigin->SetSelection(0);
		cbProvider->Append(IdAndName(listen->GetProviderId(), listen->GetProviderName()));
		cbProvider->SetSelection(0);
		cbOrigin->Disable();
		cbProvider->Disable();
	}
	else
	{
		// create mode

		pgSet *nodes = connection->ExecuteSet(
		                   wxT("SELECT no_id, no_comment, pa_server\n")
		                   wxT("  FROM ") + cluster->GetSchemaPrefix() + wxT("sl_node\n")
		                   wxT("  LEFT JOIN ") + cluster->GetSchemaPrefix() + wxT("sl_path ON pa_server=no_id")
		                   wxT(" AND pa_client=") + NumToStr(node->GetSlId()) + wxT("\n")
		                   wxT(" WHERE no_id <> ") + NumToStr(node->GetSlId()) + wxT("\n")
		                   wxT(" ORDER BY no_id")
		               );

		if (nodes)
		{
			while (!nodes->Eof())
			{
				long id = nodes->GetLong(wxT("no_id"));
				wxString name = IdAndName(id, nodes->GetVal(wxT("no_comment")));

				cbOrigin->Append(name, (void *)id);

				if (nodes->GetLong(wxT("pa_server")) > 0)
					cbProvider->Append(name, (void *)id);

				nodes->MoveNext();
			}
			delete nodes;
		}
	}

	return dlgProperty::Go(modal);
}


pgObject *dlgRepListen::CreateObject(pgCollection *collection)
{
	pgObject *obj = listenFactory.CreateObjects(collection, 0,
	                wxT(" WHERE li_origin = ") + NumToStr((OID)cbOrigin->wxItemContainer::GetClientData(cbOrigin->GetCurrentSelection())) +
	                wxT("   AND li_receiver = ") + NumToStr(node->GetSlId()) +
	                wxT("   AND li_provider = ") + NumToStr((OID)cbProvider->wxItemContainer::GetClientData(cbProvider->GetCurrentSelection()))
	                                           );

	return obj;
}




void dlgRepListen::CheckChange()
{
	if (listen)
	{
	}
	else
	{
		bool enable = true;
		CheckValid(enable, cbProvider->GetCount() > 0, _("No path to any provider node; add proper path."));
		CheckValid(enable, cbOrigin->GetCurrentSelection() >= 0, _("Please select origin node of replication events."));
		CheckValid(enable, cbProvider->GetCurrentSelection() >= 0, _("Please select provider node for replication events."));

		EnableOK(enable);
	}
}



wxString dlgRepListen::GetSql()
{
	wxString sql;

	if (listen)
	{
		// edit mode
	}
	else
	{
		// create mode

		sql = wxT("SELECT ") + cluster->GetSchemaPrefix() + wxT("storelisten(")
		      + NumToStr((OID)cbOrigin->wxItemContainer::GetClientData(cbOrigin->GetCurrentSelection())) + wxT(", ")
		      + NumToStr((OID)cbProvider->wxItemContainer::GetClientData(cbProvider->GetCurrentSelection())) + wxT(", ")
		      + NumToStr(node->GetSlId()) + wxT(");");
	}

	return sql;
}
