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%Module gromacs.TrajectoryAnalysis

%DefaultEncoding "UTF-8"

%Import options/Options.sip
%Import topology/Topology.sip

%Include definitions.sip

%Include analysissettings.sip
%Include analysismodule.sip

%ModuleCode
#include "gromacs/trajectoryanalysis/analysismodule.h"
#include "gromacs/trajectoryanalysis/cmdlinerunner.h"
#include "gromacs/utility/exceptions.h"

class PyFactory : public gmx::TrajectoryAnalysisCommandLineRunner::ModuleFactoryFunctor {
public:
    PyFactory(PyObject *mod) : mod(mod) {} ;
    gmx::TrajectoryAnalysisModulePointer operator () () {
        int iserr = 0;
        int can = sipCanConvertToType(mod, sipType_TrajectoryAnalysisModule, 0);
        // TODO: throw if can't
        gmx::TrajectoryAnalysisModule *module = (gmx::TrajectoryAnalysisModule*) sipConvertToType(
            mod, sipType_TrajectoryAnalysisModule, NULL, 0, NULL, &iserr);
        return TrajectoryAnalysisModulePointer(module);
    }
private:
    PyObject *mod;
};

void runAsMain(PyObject *mod, PyObject *py_argv) {
    int argc = PyList_GET_SIZE(py_argv);

    char **argv = new char *[argc + 1];

    // Convert the list.
    for (int a = 0; a < argc; ++a)
    {
        PyObject *arg_obj = PyList_GET_ITEM(py_argv, a);
        const char *arg = sipString_AsLatin1String(&arg_obj);

        if (arg)
        {
            arg = strdup(arg);
            Py_DECREF(arg_obj);
        }
        else
        {
            arg = "unknown";
        }

        argv[a] = const_cast<char *>(arg);
    }

    argv[argc] = NULL;

    PyFactory factory(mod);
    TrajectoryAnalysisCommandLineRunner::runAsMain(argc, argv, &factory);
}

%End

void runAsMain(SIP_PYOBJECT mod, SIP_PYLIST argv);