//
// Copyright (C) 2007 Refractions Research, Inc. 
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of version 2.1 of the GNU Lesser
// General Public License as published by the Free Software Foundation.
// 
// This library 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
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//
#include <vld.h>
#include <Fdo.h>
#include <cassert>
#include <iomanip>
#include <iostream>
#include <string>
#include <utility>
#include "fdoutility.h"
using namespace fdoutility;

int main(int argc, char* argv[])
{
    try
    {
        std::wstring provider(L"OSGeo.PostGIS.3.2");

        // Connection string with datastore specified
        std::wstring ds(L"myds");
        std::wstring connStr(L"service=fdo_test;username=mloskot;password=pantera;");

        // Create connection
        FdoPtr<FdoIConnection> conn = fdoutility::create_connection(provider);
        connStr += L"datastore=" + ds;
        conn->SetConnectionString(connStr.c_str());

        // Open connection
        FdoConnectionState state = conn->Open();
        std::wcout <<  "Connection state: " << state << std::endl;

        // Create command
        FdoPtr<FdoIGetSpatialContexts> cmd;
        cmd = static_cast<FdoIGetSpatialContexts*>(conn->CreateCommand(FdoCommandType_GetSpatialContexts));
        assert(0 != cmd);

        // Configure command
        cmd->SetActiveOnly(true);

        // Execute command
        FdoPtr<FdoISpatialContextReader> reader = cmd->Execute();

        FdoPtr<FdoFgfGeometryFactory> gf(FdoFgfGeometryFactory::GetInstance());

        // Read command execution results
        int cnt = 0;
        while (reader->ReadNext())
        {
            FdoPtr<FdoIGeometry> env = NULL;
            env = gf->CreateGeometryFromFgf(reader->GetExtent());

            ++cnt;
            std::wcout << std::setw(2) << cnt << L". "
                << reader->GetName() << std::endl
                << std::make_pair("Description", reader->GetDescription())
                << std::make_pair("CoordSysName", reader->GetCoordinateSystem())
                << std::make_pair("WKT", reader->GetCoordinateSystemWkt())
                << L"\nExtent:\n"
                << L"\tMin X: " << env->GetEnvelope()->GetMinX()
                << L"\tMin Y: " << env->GetEnvelope()->GetMinY()
                << L"\tMax X: " << env->GetEnvelope()->GetMaxX()
                << L"\tMax Y: " << env->GetEnvelope()->GetMaxY()
                << std::endl;
        }

        std::cout << "Number of contexts: " << cnt << std::endl;

        // Close connection (optional)
        conn->Close();
    }
    catch (FdoException* ex)
    {
        std::wcout << L"*** FDO Error:\n";
        int i = 5;
        FdoException* nex = ex;
        while (NULL != nex)
        {
            const wchar_t* msg = nex->GetExceptionMessage();
            if (NULL == msg)
            {
                msg = L"NO MESSAGE";
            }
            std::wcout << std::setw(++i) << L"*** " << msg << std::endl;
            
            FdoException* p = nex;
            nex = nex->GetCause();
            p->Release();
        }
    }
    catch(std::exception& ex)
    {
        std::cout << "*** Std Error: " << ex.what() << std::endl;
    }
    catch(...)
    {
        std::cout << "*** Undefined error!\n" << std::endl;
    }

    return 0;
}