/*

BSD 3-Clause License

Copyright (c) Alliance for Energy Innovation, LLC. See also https://github.com/NREL/SAM/blob/develop/LICENSE

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this

list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,

this list of conditions and the following disclaimer in the documentation

and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its

contributors may be used to endorse or promote products derived from

this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#include <algorithm>

#include <iostream>

#include <fstream>

#include <wx/datstrm.h>

#include <wx/gauge.h>

#include <wx/progdlg.h>

#include <wx/thread.h>

#include <wx/statline.h>

#include <wx/stattext.h>

#include <wx/file.h>

#include <wx/ffile.h>

#include <wx/filedlg.h>

#include <wx/filefn.h>

#include <wex/metro.h>

#include <wex/utils.h>

#include <lk/absyn.h>

#include <lk/stdlib.h>

#include <lk/eval.h>

#include <ssc/sscapi.h>

#include "simulation.h"

#include "main.h"

#include "equations.h"

#include "case.h"

#include "codegenerator.h" // write out ssc inputs for generating tests from SAM simulations

bool VarValueToSSC( VarValue *vv, ssc_data_t pdata, const wxString &sscname, bool match_case )

{

auto var = ssc_var_create();

if (!vv->AsSSCVar(var)){

ssc_var_free(var);

return false;

}

if (match_case)

ssc_data_set_var_match_case(pdata, sscname.c_str(), var);

else

ssc_data_set_var(pdata, sscname.c_str(), var);

ssc_var_free(var);

return true;

}

Simulation::Simulation( Case *cc, const wxString &name )

: m_case( cc ), m_name( name )

{

m_totalElapsedMsec = 0;

m_sscElapsedMsec = 0;

m_bSscTestsGeneration = false;

}

static void write_array_string( wxDataOutputStream &out, wxArrayString &list )

{

out.Write32( list.size() );

for( size_t i=0;i<list.size();i++ )

out.WriteString( list[i] );

}

static void read_array_string( wxDataInputStream &in, wxArrayString &list )

{

list.Clear();

size_t n = in.Read32();

for( size_t i=0;i<n;i++ )

list.Add( in.ReadString() );

}

void Simulation::Write( wxOutputStream &os )

{

size_t i;

wxDataOutputStream out( os );

out.Write8( 0x9c );

out.Write8( 4 ); // version - update to 4 for hybrids m_inputs and m_overrides

out.WriteString( m_name );

out.Write8(m_overrides.size());

for (i = 0; i < m_overrides.size(); i++)

write_array_string( out, m_overrides[i]);

out.Write8(m_inputs.size());

for (i=0; i < m_inputs.size(); i++)

m_inputs[i].Write(os);

m_outputs.Write( os, SamApp::Project().GetSaveHourlyData() ? 0 : 1024 );

write_array_string( out, m_errors );

write_array_string( out, m_warnings );

write_array_string( out, m_notices );

m_outputLabels.Write( os );

m_outputUnits.Write( os );

m_uiHints.Write(os);

out.Write8( 0x9c );

}

bool Simulation::Read(wxInputStream& is)

{

size_t i;

Clear();

wxDataInputStream in(is);

wxUint8 code = in.Read8(); // code

wxUint8 ver = in.Read8(); // ver

m_name = in.ReadString();

if (ver > 3) {

size_t n = in.Read8();

m_overrides.resize(n);

for (i = 0; i < m_overrides.size(); i++)

read_array_string(in, m_overrides[i]);

n = in.Read8();

m_inputs.resize(n);

for (i = 0; i < m_inputs.size(); i++)

m_inputs[i].Read(is);

}

else {

m_overrides.resize(1);

read_array_string(in, m_overrides[0]);

m_inputs.resize(1);

m_inputs[0].Read(is);

}

m_outputs.Read(is);

read_array_string( in, m_errors );

read_array_string( in, m_warnings );

if ( ver > 1 ) read_array_string( in, m_notices );

m_outputLabels.Read( is );

m_outputUnits.Read( is );

if (ver > 2)

m_uiHints.Read( is );

return ( code == in.Read8() );

}

void Simulation::Copy( const Simulation &rh )

{

Clear();

m_name = rh.m_name;

m_overrides = rh.m_overrides;

m_inputs = rh.m_inputs;

m_outputs = rh.m_outputs;

m_errors = rh.m_errors;

m_warnings = rh.m_warnings;

m_notices = rh.m_notices;

m_outputLabels = rh.m_outputLabels;

m_outputUnits = rh.m_outputUnits;

m_uiHints = rh.m_uiHints;

}

void Simulation::Clear()

{

size_t i;

for (i = 0; i < m_overrides.size(); i++)

m_overrides[i].clear();

m_overrides.clear();

for (i = 0; i < m_inputs.size(); i++)

m_inputs[i].clear();

m_inputs.clear();

m_outputList.clear();

m_outputs.clear();

m_errors.clear();

m_warnings.clear();

m_notices.clear();

m_outputLabels.clear();

m_outputUnits.clear();

m_uiHints.clear();

Setup(); // resize after clearing

}

void Simulation::Override( const wxString &name, const VarValue &val, size_t ndxHybrid)

{

if ( VarValue *vv = m_inputs[ndxHybrid].Create(name, val.Type()))

{

m_overrides[ndxHybrid].Add(name);

vv->Copy( val );

}

}

wxString Simulation::GetOverridesLabel(size_t ndxHybrid, bool with_labels )

{

wxString tag;

for( size_t i=0;i<m_overrides[ndxHybrid].size(); i++)

{

if ( VarValue *vv = m_inputs[ndxHybrid].Get(m_overrides[ndxHybrid][i]))

{

wxString label = m_overrides[ndxHybrid][i];

if ( with_labels )

if ( VarInfo *vi = m_case->Variables(ndxHybrid).Lookup( m_overrides[ndxHybrid][i] ) )

if ( !vi->Label.IsEmpty() )

label = vi->Label;

tag += label + "=" + vv->AsString();

if ( i < m_overrides.size()-1 )

tag += ";";

}

}

return tag;

}

VarValue *Simulation::GetInput( const wxString &name, size_t ndxHybrid)

{

if ( VarValue *val = m_inputs[ndxHybrid].Get(name))

return val;

if (VarValue* val = m_case->Values(ndxHybrid).Get(name))

return val;

return NULL;

}

void Simulation::SetInput(const wxString & , lk::vardata_t) {

//if (VarValue *vv = m_inputs.Get(name)) {

// if (vv->Type == VV_NUMBER && val.type == 3) {

// }

// else if (vv->Type == VV_STRING && val.type == 4) {

// }

// else if (vv->Type == VV_ARRAY && val.type == 5) {

// }

//}

}

bool Simulation::Ok()

{

return m_errors.size() == 0;

}

wxArrayString &Simulation::GetErrors()

{

return m_errors;

}

void Simulation::SetErrors(wxArrayString &_errors)

{

m_errors = _errors;

}

wxArrayString &Simulation::GetWarnings()

{

return m_warnings;

}

wxArrayString &Simulation::GetNotices()

{

return m_notices;

}

VarTable &Simulation::Outputs()

{

return m_outputs;

}

wxArrayString Simulation::ListOutputs()

{

return m_outputList;

}

VarValue *Simulation::GetOutput( const wxString &var )

{

return Outputs().Get( var );

}

VarValue *Simulation::GetValue( const wxString &name )

{

if ( VarValue *vv = Outputs().Get( name ) )

return vv;

else {

// search from last to first vartable for hybrids i=ndxHybrid and name is variable name in vorrect vartable - may report incorrect value for same names in different vartables

bool found = false;

for (int i = m_inputs.size() - 1; i>=0 && !found; i--) {

if (vv = GetInput(name, i))

found = true;

}

if (!found) {

for (int i = m_case->GetConfiguration()->Technology.size() - 1; i >= 0 && !found; i--) {

if (vv = m_case->Values(i).Get(name))

found = true;

}

}

return vv;

}

}

wxString Simulation::GetLabel( const wxString &var )

{

if ( m_outputLabels.find( var ) != m_outputLabels.end() )

return m_outputLabels[ var ];

else {

bool found = false;

wxString label = wxEmptyString;

for (int i = m_inputs.size() - 1; i >= 0 && !found; i--) {

label = m_case->Variables(i).Label(var);

found = (label.Left(11) != "<not found:");

}

return label;

}

}

wxString Simulation::GetUnits( const wxString &var )

{

if ( m_outputUnits.find( var ) != m_outputUnits.end() )

return m_outputUnits[ var ];

else {

bool found = false;

wxString units = wxEmptyString;

for (int i = m_inputs.size() - 1; i >= 0 && !found; i--) {

units = m_case->Variables(i).Units(var);

found = (units != wxEmptyString);

}

return units;

}

}

StringHash Simulation::GetUIHints(const wxString &var)

{

StringHash tmp;

if (m_uiHints.find(var) != m_uiHints.end())

{

wxString value = m_uiHints[var];

value.UpperCase();

tmp.Split(value, ',', '=');

}

return tmp;

}

class SingleThreadHandler : public ISimulationHandler

{

wxProgressDialog *progdlg;

wxString save_folder;

public:

SingleThreadHandler() {

progdlg = 0;

save_folder = wxGetHomeDir();

};

void SetProgressDialog( wxProgressDialog *d ) { progdlg = d; }

virtual void Update( float percent, const wxString &s ) {

if( progdlg) progdlg->Update( (int)percent, s );

}

virtual bool IsCancelled() {

if ( progdlg) return progdlg->WasCancelled();

else return false;

}

virtual bool WriteDebugFile( const wxString &sim, ssc_module_t p_mod, ssc_data_t p_data )

{

return Simulation::WriteDebugFile(sim, p_mod, p_data);

}

};

class SingleThreadHandlerWithDebugOutput : public ISimulationHandler

{

wxProgressDialog* progdlg;

wxString save_folder;

public:

SingleThreadHandlerWithDebugOutput() {

progdlg = 0;

save_folder = wxGetHomeDir();

};

void SetProgressDialog(wxProgressDialog* d) { progdlg = d; }

virtual void Update(float percent, const wxString& s) {

if (progdlg) progdlg->Update((int)percent, s);

}

virtual bool IsCancelled() {

if (progdlg) return progdlg->WasCancelled();

else return false;

}

virtual bool WriteDebugFile(const wxString& sim, ssc_module_t p_mod, ssc_data_t p_data)

{

// folder prompting

wxString fn = "ssc-" + sim + ".lk";

wxFileDialog dlg(SamApp::Window(), "Save inputs as...",

save_folder,

fn,

"SAM Script Files (*.lk)|*.lk", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);

if (dlg.ShowModal() == wxID_OK)

{

save_folder = wxPathOnly(dlg.GetPath());

return Simulation::WriteDebugFile(dlg.GetPath(), p_mod, p_data);

}

else

return false;

}

};

static ssc_bool_t ssc_invoke_handler( ssc_module_t , ssc_handler_t ,

int action_type, float f0, float ,

const char *s0, const char *,

void *user_data )

{

ISimulationHandler *hh = (ISimulationHandler*) user_data;

if (!hh) return 0;

if (action_type == SSC_LOG)

{

switch( (int)f0 )

{

case SSC_NOTICE:

hh->Notice( s0 );

break;

case SSC_WARNING:

hh->Warn( s0 );

break;

case SSC_ERROR:

hh->Error( s0 );

break;

}

return hh->IsCancelled() ? 0 : 1;

}

else if (action_type == SSC_UPDATE)

{

hh->Update( f0, s0 );

return hh->IsCancelled() ? 0 : 1;

}

else

return 0;

}

bool Simulation::InvokeSSC(bool silent, const wxString& fn)

{

SingleThreadHandler sc;

wxProgressDialog* prog = 0;

ConfigInfo* cfg = m_case->GetConfiguration();

if (!cfg)

{

m_errors.Add("no valid configuration for this case");

return false;

}

m_simlist = cfg->Simulations;

if (!silent)

{

prog = new wxProgressDialog("Simulation", "in progress", 100,

SamApp::GetMainTopWindow(),

wxPD_SMOOTH | wxPD_AUTO_HIDE );

prog->Show();

sc.SetProgressDialog(prog);

}

// Warning - be careful here if threading!

std::ifstream test(fn.ToStdString().c_str());

std::string json_str((std::istreambuf_iterator<char>(test)), std::istreambuf_iterator<char>());

auto p_data = json_to_ssc_data(json_str.c_str());

bool ok = InvokeSSCWithHandler(&sc, p_data);

if (!ok) {

wxMessageBox("ssc simulation failed " + wxJoin(m_errors, '\n'));

}

ssc_data_free(p_data);

if (prog) prog->Destroy();

return ok;

}

bool Simulation::Invoke( bool silent, bool prepare, wxString folder )

{

SingleThreadHandler sc;

// SingleThreadHandlerWithDebugOutput sc;

wxProgressDialog *prog = 0;

if (!folder.IsEmpty())

{

// set folder before progress dialog to prevent hiding

}

if ( !silent )

{

prog = new wxProgressDialog("SAM Simulation", "Simulation running...", 100,

SamApp::CurrentActiveWindow(), // progress dialog parent is current active window - works better when invoked scripting

wxPD_APP_MODAL | wxPD_SMOOTH | wxPD_CAN_ABORT | wxPD_AUTO_HIDE );

prog->Show();

sc.SetProgressDialog( prog );

}

if ( prepare && !Prepare() )

return false;

bool ok = InvokeWithHandler( &sc, folder );

if ( prog ) prog->Destroy();

return ok;

}

bool Simulation::Setup()

{

ConfigInfo* cfg = m_case->GetConfiguration();

if (!cfg)

{

m_errors.Add("no valid configuration for this case");

return false;

}

// resize vectors

size_t nHybrids = cfg->Technology.size();

m_inputs.resize(nHybrids);

m_overrides.resize(nHybrids);

return true;

}

bool Simulation::Prepare()

{

ConfigInfo *cfg = m_case->GetConfiguration();

if ( !cfg )

{

m_errors.Add("no valid configuration for this case");

return false;

}

m_simlist = cfg->Simulations;

m_outputList.clear();

m_outputLabels.clear();

m_outputUnits.clear();

m_uiHints.clear();

size_t nHybrids = cfg->Technology.size();

for (size_t ndx_hybrid = 0; ndx_hybrid < nHybrids; ndx_hybrid++) {

// transfer all the values except for ones that have been 'overriden'

for (VarTableBase::const_iterator it = m_case->Values(ndx_hybrid).begin();

it != m_case->Values(ndx_hybrid).end();

++it)

if (0 == m_inputs[ndx_hybrid].Get(it->first))

m_inputs[ndx_hybrid].Set(it->first, *(it->second));

// recalculate all the equations

CaseEvaluator eval(m_case, m_inputs[ndx_hybrid], m_case->Equations(ndx_hybrid));// update m_inputs for hybrids

int n = eval.CalculateAll(ndx_hybrid);

if (n < 0)

{

wxArrayString& errs = eval.GetErrors();

for (size_t i = 0; i < errs.size(); i++)

m_errors.Add(errs[i]);

return false;

}

//wxLogStatus("Simulation preparation time: %d copy, %d eval", (int)time_copy, (int)time_eval);

}

return true;

}

static void dump_variable( FILE *fp, ssc_data_t p_data, const char *name )

{ // .17g to .17g for full double precision.

ssc_number_t value;

ssc_number_t *p;

int len, nr, nc;

wxString str_value;

double dbl_value;

int type = ::ssc_data_query( p_data, name );

switch( type )

{

case SSC_STRING:

str_value = wxString::FromUTF8(::ssc_data_get_string( p_data, name ));

str_value.Replace("\\", "/" );

fprintf(fp, "var( '%s', '%s' );\n", name, (const char*)str_value.c_str() );

break;

case SSC_NUMBER:

::ssc_data_get_number( p_data, name, &value );

dbl_value = (double)value;

if ( dbl_value > 1e38 ) dbl_value = 1e38;

fprintf(fp, "var( '%s', %.17g );\n", name, dbl_value );

break;

case SSC_ARRAY:

p = ::ssc_data_get_array( p_data, name, &len );

fprintf(fp, "var( '%s', [", name);

for ( int i=0;i<(len-1);i++ )

{

dbl_value = (double)p[i];

if ( dbl_value > 1e38 ) dbl_value = 1e38;

fprintf(fp, " %.17g,", dbl_value );

}

dbl_value = (double)p[len-1];

if ( dbl_value > 1e38 ) dbl_value = 1e38;

fprintf(fp, " %.17g ] );\n", dbl_value );

break;

case SSC_MATRIX:

p = ::ssc_data_get_matrix( p_data, name, &nr, &nc );

len = nr*nc;

fprintf( fp, "var( '%s', \n[ [", name );

for (int k=0;k<(len-1);k++)

{

dbl_value = (double)p[k];

if ( dbl_value > 1e38 ) dbl_value = 1e38;

if ( (k+1)%nc == 0 )

fprintf(fp, " %.17g ], \n[", dbl_value);

else

fprintf(fp, " %.17g,", dbl_value);

}

dbl_value = (double)p[len-1];

if ( dbl_value > 1e38 ) dbl_value = 1e38;

fprintf(fp, " %.17g ] ] );\n", dbl_value);

}

}

bool Simulation::WriteDebugFile( const wxString &file, ssc_module_t p_mod, ssc_data_t p_data )

{

if( FILE *fp = fopen( file.c_str(), "w" ) )

{

fprintf(fp, "clear();\n");

int dbgidx = 0;

while( const ssc_info_t p_inf = ssc_module_var_info( p_mod, dbgidx++ ) )

{

const char *name = ::ssc_info_name( p_inf );

dump_variable( fp, p_data, name );

}

wxString name = wxFileName(file).GetName();

name = name.Right(name.length() - 4); // skip "ssc-"

fprintf(fp, "run('%s');\n", (const char *)name.c_str());

fclose(fp);

return true;

}

else

return false;

}

bool Simulation::WriteDebugFile( const wxString &file, ssc_data_t p_data )

{

if( FILE *fp = fopen( file.c_str(), "w" ) )

{

const char *name = ssc_data_first( p_data );

while( name )

{

dump_variable( fp, p_data, name );

name = ssc_data_next( p_data );

}

fclose( fp );

return true;

}

else

return false;

}

bool Simulation::Generate_lk(FILE *fp)

{

SingleThreadHandler ih;

if (!Prepare())

return false;

ssc_data_t p_data = ssc_data_create();

if (m_simlist.size() == 0)

ih.Error("No simulation compute modules defined for this configuration.");

for (size_t kk = 0; kk < m_simlist.size(); kk++)

{

ssc_module_t p_mod = ssc_module_create(m_simlist[kk].c_str());

if (!p_mod)

{

ih.Error("could not create ssc module: " + m_simlist[kk]);

continue;

}

int pidx = 0;

while (const ssc_info_t p_inf = ssc_module_var_info(p_mod, pidx++))

{

int var_type = ssc_info_var_type(p_inf); // SSC_INPUT, SSC_OUTPUT, SSC_INOUT

int data_type = ssc_info_data_type(p_inf); // SSC_STRING, SSC_NUMBER, SSC_ARRAY, SSC_MATRIX

wxString name(ssc_info_name(p_inf)); // assumed to be non-null

wxString reqd(ssc_info_required(p_inf));

if (var_type == SSC_INPUT || var_type == SSC_INOUT)

{

// handle ssc variable names

// that are explicit field accesses"shading:mxh"

wxString field;

int pos = name.Find(':');

if (pos != wxNOT_FOUND)

{

field = name.Mid(pos + 1);

name = name.Left(pos);

}

int existing_type = ssc_data_query(p_data, ssc_info_name(p_inf));

if (existing_type != data_type)

{

if (VarValue *vv = GetInput(name, 0)) // TODO: hybrid update

{

if (!field.IsEmpty())

{

if (vv->Type() != VV_TABLE)

ih.Error("SSC variable has table:field specification, but '" + name + "' is not a table in SAM");

bool do_copy_var = false;

if (reqd.Left(1) == "?")

{

// if the SSC variable is optional, check for the 'en_<field>' element in the table

if (VarValue *en_flag = vv->Table().Get("en_" + field))

if (en_flag->Boolean())

do_copy_var = true;

}

else do_copy_var = true;

if (do_copy_var)

{

if (VarValue *vv_field = vv->Table().Get(field))

{

if (!VarValueToSSC(vv_field, p_data, name + ":" + field))

ih.Error("Error translating table:field variable from SAM UI to SSC for '" + name + "':" + field);

}

}

}

if (!VarValueToSSC(vv, p_data, name))

ih.Error("Error translating data from SAM UI to SSC for " + name);

}

else if (reqd == "*")

ih.Error("SSC requires input '" + name + "', but was not found in the SAM UI or from previous simulations");

}

}

}

const char *name = ssc_data_first(p_data);

while (name)

{

dump_variable(fp, p_data, name);

name = ssc_data_next(p_data);

}

fprintf(fp, "run('%s');\n", (const char*)m_simlist[kk].c_str());

}

return true;

}

bool Simulation::WriteSSCTestInputs(wxString& cmod_name, ssc_module_t p_mod, ssc_data_t p_data) {

// can filter on compute module name

// if (cmod_name != "cashloan") return false;

if (std::find(std::begin(m_asSscTestsComputeModules),std::end(m_asSscTestsComputeModules), cmod_name) == std::end(m_asSscTestsComputeModules))

return false;

auto cfg = m_case->GetConfiguration();

wxString casename = SamApp::Project().GetCaseName( m_case );

wxString fn = m_sSscTestsJSONFolder; //SamApp::GetUserLocalDataDir();

wxString tech = cfg->TechnologyFullName;

tech.Replace(" ", "_");

wxString fin = cfg->Financing;

fin.Replace(" ", "_");

fn += "/" + casename + "_" + tech + "_" + fin + "_" + "cmod_" + cmod_name + ".json";

auto cg = std::make_shared<CodeGen_json>(m_case, fn);

cg->Header();

int pidx = 0;

while (const ssc_info_t p_inf = ssc_module_var_info(p_mod, pidx++)) {

int var_type = ssc_info_var_type(p_inf); // SSC_INPUT, SSC_OUTPUT, SSC_INOUT

wxString name(ssc_info_name(p_inf)); // assumed to be non-null

// wxString reqd(ssc_info_required(p_inf)); // optional if want required inputs only

if (var_type == SSC_INPUT || var_type == SSC_INOUT) { // all SSC_INPUT and SSC_INOUT without checking required

if (!cg->Input(p_data, name.c_str(), "", 0)) {

wxString err = "SSC requires input '" + name +

"', but was not found in the SAM UI or from previous simulations";

ssc_data_set_string(p_data, "error", err.c_str());

return false;

}

}

}

cg->Footer();

return true;

}

bool Simulation::WriteSSCTestOutputs(wxString& cmod_name, ssc_module_t p_mod, ssc_data_t p_data) {

// can filter on compute module name

// if (cmod_name != "cashloan") return false;

if (std::find(std::begin(m_asSscTestsComputeModules),std::end(m_asSscTestsComputeModules), cmod_name) == std::end(m_asSscTestsComputeModules))

return false;

auto cfg = m_case->GetConfiguration();

wxString casename = SamApp::Project().GetCaseName( m_case );

wxString fn = m_sSscTestsJSONFolder; //SamApp::GetUserLocalDataDir();

wxString tech = cfg->TechnologyFullName;

tech.Replace(" ", "_");

wxString fin = cfg->Financing;

fin.Replace(" ", "_");

fn += "/" + casename + "_" + tech + "_" + fin + "_" + "cmod_" + cmod_name + "_outputs.json";

auto cg = std::make_shared<CodeGen_json>(m_case, fn);

cg->Header();

int pidx = 0;

while (const ssc_info_t p_inf = ssc_module_var_info(p_mod, pidx++)) {

int var_type = ssc_info_var_type(p_inf); // SSC_INPUT, SSC_OUTPUT, SSC_INOUT

wxString name(ssc_info_name(p_inf)); // assumed to be non-null

// wxString reqd(ssc_info_required(p_inf)); // optional if want required inputs only

if (var_type == SSC_OUTPUT || var_type == SSC_INOUT) { // all SSC_OUTPUT and SSC_INOUT without checking required

if (!cg->Input(p_data, name.c_str(), "", 0)) {

// if (!cg->Output(p_data)) {

wxString err = "SSC requires output '" + name +

"', but was not found in the SAM UI or from previous simulations";

ssc_data_set_string(p_data, "error", err.c_str());

return false;

}

}

}

cg->Footer();

return true;

}

bool Simulation::JSONInputsToSSCData(wxString& fn, ssc_data_t p_data) {

bool ret = false;

std::ifstream test(fn.ToStdString().c_str());

std::string json_str((std::istreambuf_iterator<char>(test)), std::istreambuf_iterator<char>());

p_data = json_to_ssc_data(json_str.c_str());

ret = true;

return ret;

}

bool Simulation::CmodInputsToSSCData(ssc_module_t p_mod, ssc_data_t p_data) {

int pidx = 0;

while (const ssc_info_t p_inf = ssc_module_var_info(p_mod, pidx++)) {

int var_type = ssc_info_var_type(p_inf); // SSC_INPUT, SSC_OUTPUT, SSC_INOUT

int data_type = ssc_info_data_type(p_inf); // SSC_STRING, SSC_NUMBER, SSC_ARRAY, SSC_MATRIX

wxString name(ssc_info_name(p_inf)); // assumed to be non-null

wxString reqd(ssc_info_required(p_inf));

if (var_type == SSC_INPUT || var_type == SSC_INOUT) {

// handle ssc variable names

// that are explicit field accesses"shading:mxh"

wxString field;

int pos = name.Find(':');

if (pos != wxNOT_FOUND) {

field = name.Mid(pos + 1);

name = name.Left(pos);

wxLogStatus("Table value, table %s, field %s", name.c_str(), field.c_str());

}

int existing_type = ssc_data_query(p_data, ssc_info_name(p_inf));

if (existing_type != data_type) {

if (VarValue *vv = GetInput(name, 0)) { // TODO:hybrids

if (!field.IsEmpty()) {

if (vv->Type() != VV_TABLE) {

wxString err = "SSC variable has table:field specification, but '" + name +

"' is not a table in SAM";

ssc_data_set_string(p_data, "error", err.c_str());

return false;

}

bool do_copy_var = false;

if (reqd.Left(1) == "?") {

// if the SSC variable is optional, check for the 'en_<field>' element in the table

if (VarValue *en_flag = vv->Table().Get("en_" + field))

if (en_flag->Boolean())

do_copy_var = true;

} else do_copy_var = true;

if (do_copy_var) {

if (VarValue *vv_field = vv->Table().Get(field)) {

if (!VarValueToSSC(vv_field, p_data, name + ":" + field)) {

wxString err =

"Error translating table:field variable from SAM UI to SSC for '" +

name + "':" + field;

ssc_data_set_string(p_data, "error", err.c_str());

return false;

}

}

}

}

if (!VarValueToSSC(vv, p_data, name)) {

wxString err = "Error translating data from SAM UI to SSC for " + name;

ssc_data_set_string(p_data, "error", err.c_str());

return false;

}

} else if (reqd == "*") {

wxString err = "SSC requires input '" + name +

"', but was not found in the SAM UI or from previous simulations";

ssc_data_set_string(p_data, "error", err.c_str());

return false;

}

}

}

}

return true;

}

bool Simulation::SetModels()

{

ConfigInfo* cfg = m_case->GetConfiguration();

if (!cfg)

{

m_errors.Add("no valid configuration for this case");

return false;

}

m_simlist = cfg->Simulations;

return true;

}

bool Simulation::InvokeSSCWithHandler(ISimulationHandler* ih, ssc_data_t p_data)

{

assert(0 != ih);

m_totalElapsedMsec = 0;

m_sscElapsedMsec = 0;

wxStopWatch sw;

if (m_simlist.size() == 0)

ih->Error("No simulation compute modules defined for this configuration.");

// // Warning - be careful here if threading!

// std::ifstream test(fn.ToStdString().c_str());

// std::string json_str((std::istreambuf_iterator<char>(test)), std::istreambuf_iterator<char>());

// auto p_data = json_to_ssc_data(json_str.c_str());

// if (!JSONInputsToSSCData(fn, p_data)) {

// ih->Error(ssc_data_get_string(p_data, "error"));

// }

for (size_t kk = 0; kk < m_simlist.size(); kk++)

{

ssc_module_t p_mod = ssc_module_create(m_simlist[kk].c_str());

if (!p_mod) {

wxString err = "could not create ssc module: " + m_simlist[kk];

ssc_data_set_string(p_data, "error", err.c_str());