// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C) 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021 Eduardo Aguiar
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option) any later
// version.
//
// This program 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 General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \file log.cc C++ API <i>mobius.core.event.log</i> class wrapper
//! \author Eduardo Aguiar
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <pymobius.h>
#include "log.h"
#include "api_dataholder.h"
#include <mobius/exception.inc>
#include <stdexcept>

namespace
{
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Create dataholder from event object
//! \param event Event object
//! \return New Python object
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
PyObject *
_event_as_dataholder (const mobius::core::event& event)
{
  api_dataholder_o *pyobj = api_dataholder_new ();

  if (pyobj)
    {
      api_dataholder_setattr (pyobj, "type", static_cast <int> (event.get_type ()));
      api_dataholder_setattr (pyobj, "timestamp", event.get_timestamp ());
      api_dataholder_setattr (pyobj, "filename", event.get_filename ());
      api_dataholder_setattr (pyobj, "funcname", event.get_funcname ());
      api_dataholder_setattr (pyobj, "line_number", event.get_line_number ());
      api_dataholder_setattr (pyobj, "text", event.get_text ());
    }
  
  return reinterpret_cast <PyObject *> (pyobj);
}

} // namespace

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Check if value is an instance of <i>log</i>
//! \param value Python value
//! \return true/false
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
bool
PyMobius_Core_Log_Check (PyObject *value)
{
  return PyObject_IsInstance (value, reinterpret_cast<PyObject *> (&core_log_t));
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Create <i>log</i> Python object from C++ object
//! \param obj C++ object
//! \return New log object
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
PyObject *
PyMobius_Core_Log_from_cpp (const mobius::core::log& obj)
{
  PyObject *ret = _PyObject_New (&core_log_t);

  if (ret)
    ((core_log_o *) ret)->obj = new mobius::core::log (obj);

  return ret;
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Create <i>log</i> C++ object from Python object
//! \param value Python value
//! \return Log object
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
mobius::core::log
PyMobius_Core_Log_as_cpp (PyObject *value)
{
  if (!PyMobius_Core_Log_Check (value))
    throw std::invalid_argument (mobius::MOBIUS_EXCEPTION_MSG ("object must be an instance of mobius.core.event.log"));

  return * (reinterpret_cast <core_log_o *>(value)->obj);
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>error</i> method implementation
//! \param self Object
//! \param args Argument list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_error (core_log_o *self, PyObject *args)
{
  // Parse input args
  std::string arg_text;

  try
    {
      arg_text = mobius::py::get_arg_as_std_string (args, 0);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_TypeError, e.what ());
      return nullptr;
    }

  // Execute C++ function
  try
    {
      self->obj->error (mobius::py::get_line_number (), arg_text);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
      return nullptr;
    }

  // return None
  return mobius::py::pynone ();
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>warning</i> method implementation
//! \param self Object
//! \param args Argument list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_warning (core_log_o *self, PyObject *args)
{
  // Parse input args
  std::string arg_text;

  try
    {
      arg_text = mobius::py::get_arg_as_std_string (args, 0);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_TypeError, e.what ());
      return nullptr;
    }

  // Execute C++ function
  try
    {
      self->obj->warning (mobius::py::get_line_number (), arg_text);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
      return nullptr;
    }

  // return None
  return mobius::py::pynone ();
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>info</i> method implementation
//! \param self Object
//! \param args Argument list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_info (core_log_o *self, PyObject *args)
{
  // Parse input args
  std::string arg_text;

  try
    {
      arg_text = mobius::py::get_arg_as_std_string (args, 0);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_TypeError, e.what ());
      return nullptr;
    }

  // Execute C++ function
  try
    {
      self->obj->info (mobius::py::get_line_number (), arg_text);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
      return nullptr;
    }

  // return None
  return mobius::py::pynone ();
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>development</i> method implementation
//! \param self Object
//! \param args Argument list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_development (core_log_o *self, PyObject *args)
{
  // Parse input args
  std::string arg_text;

  try
    {
      arg_text = mobius::py::get_arg_as_std_string (args, 0);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_TypeError, e.what ());
      return nullptr;
    }

  // Execute C++ function
  try
    {
      self->obj->development (mobius::py::get_line_number (), arg_text);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
      return nullptr;
    }

  // return None
  return mobius::py::pynone ();
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>debug</i> method implementation
//! \param self Object
//! \param args Argument list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_debug (core_log_o *self, PyObject *args)
{
  // Parse input args
  std::string arg_text;

  try
    {
      arg_text = mobius::py::get_arg_as_std_string (args, 0);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_TypeError, e.what ());
      return nullptr;
    }

  // Execute C++ function
  try
    {
      self->obj->debug (mobius::py::get_line_number (), arg_text);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
      return nullptr;
    }

  // return None
  return mobius::py::pynone ();
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>has_errors</i> method implementation
//! \param self Object
//! \param args Argument list
//! \return true/false
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_has_errors (core_log_o *self, PyObject *)
{
  // Execute C++ function
  PyObject *ret = nullptr;

  try
    {
      ret = mobius::py::pybool_from_bool (self->obj->has_errors ());
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
    }

  // Return value
  return ret;
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>set_debug</i> method implementation
//! \param self Object
//! \param args Argument list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_set_debug (core_log_o *self, PyObject *args)
{
  // Parse input args
  bool arg_flag;

  try
    {
      arg_flag = mobius::py::get_arg_as_bool (args, 0);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_TypeError, e.what ());
      return nullptr;
    }

  // Execute C++ function
  try
    {
      self->obj->set_debug (arg_flag);
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
      return nullptr;
    }

  // return None
  return mobius::py::pynone ();
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>get_events</i> method implementation
//! \param self object
//! \param args argument list
//! \return category list
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_f_get_events (core_log_o *self, PyObject *)
{
  PyObject *ret = nullptr;

  try
    {
      ret = mobius::py::pylist_from_cpp_container (
               self->obj->get_events (),
               _event_as_dataholder
            );
    }
  catch (const std::exception& e)
    {
      PyErr_SetString (PyExc_Exception, e.what ());
    }

  return ret;
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Methods structure
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyMethodDef tp_methods[] =
{
  {
    (char *) "error",
    (PyCFunction) tp_f_error,
    METH_VARARGS,
    "Add error event"
  },
  {
    (char *) "warning",
    (PyCFunction) tp_f_warning,
    METH_VARARGS,
    "Add warning event"
  },
  {
    (char *) "info",
    (PyCFunction) tp_f_info,
    METH_VARARGS,
    "Add info event"
  },
  {
    (char *) "development",
    (PyCFunction) tp_f_development,
    METH_VARARGS,
    "Add development event"
  },
  {
    (char *) "debug",
    (PyCFunction) tp_f_debug,
    METH_VARARGS,
    "Add debug event"
  },
  {
    (char *) "has_errors",
    (PyCFunction) tp_f_has_errors,
    METH_VARARGS,
    "Check if an error occurred"
  },
  {
    (char *) "set_debug",
    (PyCFunction) tp_f_set_debug,
    METH_VARARGS,
    "Set debug mode on/off"
  },
  {
    (char *) "get_events",
    (PyCFunction) tp_f_get_events,
    METH_VARARGS,
    "Get events"
  },
  {NULL, NULL, 0, NULL} // sentinel
};

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>log</i> Constructor
//! \param type Type object
//! \param args Argument list
//! \param kwds Keywords dict
//! \return new <i>log</i> object
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyObject *
tp_new (PyTypeObject *type, PyObject *, PyObject *)
{
  // Create object
  core_log_o *ret = reinterpret_cast <core_log_o *> (type->tp_alloc (type, 0));

  if (ret)
    {
      try
        {
          ret->obj = new mobius::core::log (
                            mobius::py::get_filename (),
                            mobius::py::get_funcname ()
                     );
        }
      catch (const std::exception& e)
        {
          Py_DECREF (ret);
          PyErr_SetString (PyExc_Exception, e.what ());
          ret = nullptr;
        }
    }

  return reinterpret_cast <PyObject *> (ret);
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief <i>log</i> deallocator
//! \param self Object
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static void
tp_dealloc (core_log_o *self)
{
  delete self->obj;
  self->ob_type->tp_free ((PyObject*) self);
}

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Type structure
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
PyTypeObject core_log_t =
{
  PyVarObject_HEAD_INIT (NULL, 0)
  "mobius.core.log",    	             		// tp_name
  sizeof (core_log_o),          	     		// tp_basicsize
  0,                                       		// tp_itemsize
  (destructor) tp_dealloc,                 		// tp_dealloc
  0,                                       		// tp_print
  0,                                       		// tp_getattr
  0,                                       		// tp_setattr
  0,                                       		// tp_compare
  0,                                       		// tp_repr
  0,                                       		// tp_as_number
  0,                                       		// tp_as_sequence
  0,                                       		// tp_as_mapping
  0,                                       		// tp_hash
  0,                                       		// tp_call
  0,                                       		// tp_str
  0,                                       		// tp_getattro
  0,                                       		// tp_setattro
  0,                                       		// tp_as_buffer
  Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,		// tp_flags
  "Log class",                       			// tp_doc
  0,                                       		// tp_traverse
  0,                                       		// tp_clear
  0,                                       		// tp_richcompare
  0,                                       		// tp_weaklistoffset
  0,                                       		// tp_iter
  0,                                       		// tp_iternext
  tp_methods,                              		// tp_methods
  0,                                       		// tp_members
  0,                                       		// tp_getset
  0,                                       		// tp_base
  0,                                       		// tp_dict
  0,                                       		// tp_descr_get
  0,                                       		// tp_descr_set
  0,                                       		// tp_dictoffset
  0,                                       		// tp_init
  0,                                       		// tp_alloc
  tp_new,                                  		// tp_new
  0,                                       		// tp_free
  0,                                       		// tp_is_gc
  0,                                       		// tp_bases
  0,                                       		// tp_mro
  0,                                       		// tp_cache
  0,                                       		// tp_subclasses
  0,                                       		// tp_weaklist
  0,                                       		// tp_del
  0,                                       		// tp_version_tag
};
