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/*******************************************************************************
 * Name		: PythonClientProgress.cpp
 *
 * Author	: Sven Erik Knop <sknop@perforce.com>
 *
 * Description	: C++ Subclass for ClientProgress used by Python ClientProgress.
 * 		  Allows Perforce API to indicate progress of calls to P4Python
 *
 * 		  $Id: //depot/r26.1/p4-python/PythonClientProgress.cpp#1 $
 *
 ******************************************************************************/

#include <Python.h>
#include <bytesobject.h>
#include "undefdups.h"
#include "python2to3.h"
#include <clientapi.h>
#include <clientprog.h>
#include <strtable.h>

#include <iostream>
#include <iomanip>

#include "P4PythonDebug.h"
#include "SpecMgr.h"
#include "P4Result.h"
#include "PythonClientUser.h"
#include "P4PythonDebug.h"
#include "PythonThreadGuard.h"
#include "PythonClientProgress.h"
#include "PythonMessage.h"
#include "PythonTypes.h"

using namespace std;

PythonClientProgress::PythonClientProgress(PyObject * prog, int type)
    :	progress(prog)
{
    EnsurePythonLock guard;

    PyObject * res = PyObject_CallMethod( this->progress , (char*) "init", (char*)"i", type );
    if( res ) {
	Py_DECREF( res );
    }
    else {
	cout << "Exception thrown in init" << endl;
	PyErr_PrintEx(0);
    }
}

PythonClientProgress::~PythonClientProgress()
{
    this->progress = NULL;
}

void PythonClientProgress::Description( const StrPtr *desc, int units )
{
    EnsurePythonLock guard;

    PyObject * res = PyObject_CallMethod( this->progress , (char*) "setDescription", (char*)"si", desc->Text(), units );
    if( res ) {
	Py_DECREF( res );
    }
    else {
	cout << "Exception thrown in setDescription" << endl;
    }
}

void PythonClientProgress::Total( long total )
{
    EnsurePythonLock guard;

    PyObject * res = PyObject_CallMethod( this->progress , (char*) "setTotal", (char*)"i", total );
    if( res ) {
	Py_DECREF( res );
    }
    else {
	cout << "Exception thrown in setTotal" << endl;
    }

}

int PythonClientProgress::Update( long pos )
{
    EnsurePythonLock guard;

    PyObject * result = PyObject_CallMethod( this->progress , (char*) "update", (char*)"l", pos );
    if( result == NULL ) { // exception thrown
	cout << "Exception thrown in update" << endl;
	return 1; // TODO: Is this the correct value to return in case of an error?
    }
    else {
	Py_DECREF( result );
    }

    return 0;
}

void PythonClientProgress::Done( int fail )
{
    EnsurePythonLock guard;

    PyObject * res = PyObject_CallMethod( this->progress , (char*) "done", (char*)"i", fail );
    if( res ) {
	Py_DECREF( res );
    }
    else {
	    cout << "Exception thrown in Done" << endl;
    }
}

