/* SPDX-License-Identifier: GPL-2.0-or-later */

/** \file
 * \ingroup freestyle
 */

#include "BPy_UnaryFunction1DVectorViewShape.h"

#include "../BPy_Convert.h"
#include "../BPy_IntegrationType.h"
#include "../BPy_Interface1D.h"

#include "UnaryFunction1D_vector_ViewShape/BPy_GetOccludeeF1D.h"
#include "UnaryFunction1D_vector_ViewShape/BPy_GetOccludersF1D.h"
#include "UnaryFunction1D_vector_ViewShape/BPy_GetShapeF1D.h"

#include "BLI_sys_types.h"

#ifdef __cplusplus
extern "C" {
#endif

using namespace Freestyle;

///////////////////////////////////////////////////////////////////////////////////////////

//-------------------MODULE INITIALIZATION--------------------------------

int UnaryFunction1DVectorViewShape_Init(PyObject *module)
{
  if (module == nullptr) {
    return -1;
  }

  if (PyType_Ready(&UnaryFunction1DVectorViewShape_Type) < 0) {
    return -1;
  }
  Py_INCREF(&UnaryFunction1DVectorViewShape_Type);
  PyModule_AddObject(
      module, "UnaryFunction1DVectorViewShape", (PyObject *)&UnaryFunction1DVectorViewShape_Type);

  if (PyType_Ready(&GetOccludeeF1D_Type) < 0) {
    return -1;
  }
  Py_INCREF(&GetOccludeeF1D_Type);
  PyModule_AddObject(module, "GetOccludeeF1D", (PyObject *)&GetOccludeeF1D_Type);

  if (PyType_Ready(&GetOccludersF1D_Type) < 0) {
    return -1;
  }
  Py_INCREF(&GetOccludersF1D_Type);
  PyModule_AddObject(module, "GetOccludersF1D", (PyObject *)&GetOccludersF1D_Type);

  if (PyType_Ready(&GetShapeF1D_Type) < 0) {
    return -1;
  }
  Py_INCREF(&GetShapeF1D_Type);
  PyModule_AddObject(module, "GetShapeF1D", (PyObject *)&GetShapeF1D_Type);

  return 0;
}

//------------------------INSTANCE METHODS ----------------------------------

static char UnaryFunction1DVectorViewShape___doc__[] =
    "Class hierarchy: :class:`UnaryFunction1D` > :class:`UnaryFunction1DVectorViewShape`\n"
    "\n"
    "Base class for unary functions (functors) that work on\n"
    ":class:`Interface1D` and return a list of :class:`ViewShape`\n"
    "objects.\n"
    "\n"
    ".. method:: __init__()\n"
    "            __init__(integration_type)\n"
    "\n"
    "   Builds a unary 1D function using the default constructor\n"
    "   or the integration method given as an argument.\n"
    "\n"
    "   :arg integration_type: An integration method.\n"
    "   :type integration_type: :class:`IntegrationType`\n";

static int UnaryFunction1DVectorViewShape___init__(BPy_UnaryFunction1DVectorViewShape *self,
                                                   PyObject *args,
                                                   PyObject *kwds)
{
  static const char *kwlist[] = {"integration", nullptr};
  PyObject *obj = nullptr;

  if (!PyArg_ParseTupleAndKeywords(
          args, kwds, "|O!", (char **)kwlist, &IntegrationType_Type, &obj)) {
    return -1;
  }

  if (!obj) {
    self->uf1D_vectorviewshape = new UnaryFunction1D<std::vector<ViewShape *>>();
  }
  else {
    self->uf1D_vectorviewshape = new UnaryFunction1D<std::vector<ViewShape *>>(
        IntegrationType_from_BPy_IntegrationType(obj));
  }

  self->uf1D_vectorviewshape->py_uf1D = (PyObject *)self;

  return 0;
}

static void UnaryFunction1DVectorViewShape___dealloc__(BPy_UnaryFunction1DVectorViewShape *self)
{
  delete self->uf1D_vectorviewshape;
  UnaryFunction1D_Type.tp_dealloc((PyObject *)self);
}

static PyObject *UnaryFunction1DVectorViewShape___repr__(BPy_UnaryFunction1DVectorViewShape *self)
{
  return PyUnicode_FromFormat(
      "type: %s - address: %p", Py_TYPE(self)->tp_name, self->uf1D_vectorviewshape);
}

static PyObject *UnaryFunction1DVectorViewShape___call__(BPy_UnaryFunction1DVectorViewShape *self,
                                                         PyObject *args,
                                                         PyObject *kwds)
{
  static const char *kwlist[] = {"inter", nullptr};
  PyObject *obj = nullptr;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!", (char **)kwlist, &Interface1D_Type, &obj)) {
    return nullptr;
  }

  if (typeid(*(self->uf1D_vectorviewshape)) == typeid(UnaryFunction1D<std::vector<ViewShape *>>)) {
    PyErr_SetString(PyExc_TypeError, "__call__ method not properly overridden");
    return nullptr;
  }
  if (self->uf1D_vectorviewshape->operator()(*(((BPy_Interface1D *)obj)->if1D)) < 0) {
    if (!PyErr_Occurred()) {
      string class_name(Py_TYPE(self)->tp_name);
      PyErr_SetString(PyExc_RuntimeError, (class_name + " __call__ method failed").c_str());
    }
    return nullptr;
  }

  const uint list_len = self->uf1D_vectorviewshape->result.size();
  PyObject *list = PyList_New(list_len);
  for (uint i = 0; i < list_len; i++) {
    ViewShape *v = self->uf1D_vectorviewshape->result[i];
    PyList_SET_ITEM(list, i, v ? BPy_ViewShape_from_ViewShape(*v) : (Py_INCREF(Py_None), Py_None));
  }

  return list;
}

/*----------------------UnaryFunction1DVectorViewShape get/setters ----------------------------*/

PyDoc_STRVAR(integration_type_doc,
             "The integration method.\n"
             "\n"
             ":type: :class:`IntegrationType`");

static PyObject *integration_type_get(BPy_UnaryFunction1DVectorViewShape *self, void * /*closure*/)
{
  return BPy_IntegrationType_from_IntegrationType(
      self->uf1D_vectorviewshape->getIntegrationType());
}

static int integration_type_set(BPy_UnaryFunction1DVectorViewShape *self,
                                PyObject *value,
                                void * /*closure*/)
{
  if (!BPy_IntegrationType_Check(value)) {
    PyErr_SetString(PyExc_TypeError, "value must be an IntegrationType");
    return -1;
  }
  self->uf1D_vectorviewshape->setIntegrationType(IntegrationType_from_BPy_IntegrationType(value));
  return 0;
}

static PyGetSetDef BPy_UnaryFunction1DVectorViewShape_getseters[] = {
    {"integration_type",
     (getter)integration_type_get,
     (setter)integration_type_set,
     integration_type_doc,
     nullptr},
    {nullptr, nullptr, nullptr, nullptr, nullptr} /* Sentinel */
};

/*-----------------------BPy_UnaryFunction1DVectorViewShape type definition ---------------------*/

PyTypeObject UnaryFunction1DVectorViewShape_Type = {
    PyVarObject_HEAD_INIT(nullptr, 0)
    /*tp_name*/ "UnaryFunction1DVectorViewShape",
    /*tp_basicsize*/ sizeof(BPy_UnaryFunction1DVectorViewShape),
    /*tp_itemsize*/ 0,
    /*tp_dealloc*/ (destructor)UnaryFunction1DVectorViewShape___dealloc__,
    /*tp_vectorcall_offset*/ 0,
    /*tp_getattr*/ nullptr,
    /*tp_setattr*/ nullptr,
    /*tp_as_async*/ nullptr,
    /*tp_repr*/ (reprfunc)UnaryFunction1DVectorViewShape___repr__,
    /*tp_as_number*/ nullptr,
    /*tp_as_sequence*/ nullptr,
    /*tp_as_mapping*/ nullptr,
    /*tp_hash*/ nullptr,
    /*tp_call*/ (ternaryfunc)UnaryFunction1DVectorViewShape___call__,
    /*tp_str*/ nullptr,
    /*tp_getattro*/ nullptr,
    /*tp_setattro*/ nullptr,
    /*tp_as_buffer*/ nullptr,
    /*tp_flags*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
    /*tp_doc*/ UnaryFunction1DVectorViewShape___doc__,
    /*tp_traverse*/ nullptr,
    /*tp_clear*/ nullptr,
    /*tp_richcompare*/ nullptr,
    /*tp_weaklistoffset*/ 0,
    /*tp_iter*/ nullptr,
    /*tp_iternext*/ nullptr,
    /*tp_methods*/ nullptr,
    /*tp_members*/ nullptr,
    /*tp_getset*/ BPy_UnaryFunction1DVectorViewShape_getseters,
    /*tp_base*/ &UnaryFunction1D_Type,
    /*tp_dict*/ nullptr,
    /*tp_descr_get*/ nullptr,
    /*tp_descr_set*/ nullptr,
    /*tp_dictoffset*/ 0,
    /*tp_init*/ (initproc)UnaryFunction1DVectorViewShape___init__,
    /*tp_alloc*/ nullptr,
    /*tp_new*/ nullptr,
};

///////////////////////////////////////////////////////////////////////////////////////////

#ifdef __cplusplus
}
#endif