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

/** \file
 * \ingroup freestyle
 */

#include "BPy_ViewMap.h"

#include "BPy_BBox.h"
#include "BPy_Convert.h"
#include "Interface1D/BPy_FEdge.h"
#include "Interface1D/BPy_ViewEdge.h"

#ifdef __cplusplus
extern "C" {
#endif

using namespace Freestyle;

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

//-------------------MODULE INITIALIZATION--------------------------------
int ViewMap_Init(PyObject *module)
{
  if (module == nullptr) {
    return -1;
  }

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

  return 0;
}

/*----------------------ViewMap methods----------------------------*/

PyDoc_STRVAR(ViewMap_doc,
             "Class defining the ViewMap.\n"
             "\n"
             ".. method:: __init__()\n"
             "\n"
             "   Default constructor.");

static int ViewMap_init(BPy_ViewMap *self, PyObject *args, PyObject *kwds)
{
  static const char *kwlist[] = {nullptr};

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "", (char **)kwlist)) {
    return -1;
  }
  self->vm = new ViewMap();
  return 0;
}

static void ViewMap_dealloc(BPy_ViewMap *self)
{
  delete self->vm;
  Py_TYPE(self)->tp_free((PyObject *)self);
}

static PyObject *ViewMap_repr(BPy_ViewMap *self)
{
  return PyUnicode_FromFormat("ViewMap - address: %p", self->vm);
}

PyDoc_STRVAR(ViewMap_get_closest_viewedge_doc,
             ".. method:: get_closest_viewedge(x, y)\n"
             "\n"
             "   Gets the ViewEdge nearest to the 2D point specified as arguments.\n"
             "\n"
             "   :arg x: X coordinate of a 2D point.\n"
             "   :type x: float\n"
             "   :arg y: Y coordinate of a 2D point.\n"
             "   :type y: float\n"
             "   :return: The ViewEdge nearest to the specified 2D point.\n"
             "   :rtype: :class:`ViewEdge`");

static PyObject *ViewMap_get_closest_viewedge(BPy_ViewMap *self, PyObject *args, PyObject *kwds)
{
  static const char *kwlist[] = {"x", "y", nullptr};
  double x, y;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "dd", (char **)kwlist, &x, &y)) {
    return nullptr;
  }
  ViewEdge *ve = const_cast<ViewEdge *>(self->vm->getClosestViewEdge(x, y));
  if (ve) {
    return BPy_ViewEdge_from_ViewEdge(*ve);
  }
  Py_RETURN_NONE;
}

PyDoc_STRVAR(ViewMap_get_closest_fedge_doc,
             ".. method:: get_closest_fedge(x, y)\n"
             "\n"
             "   Gets the FEdge nearest to the 2D point specified as arguments.\n"
             "\n"
             "   :arg x: X coordinate of a 2D point.\n"
             "   :type x: float\n"
             "   :arg y: Y coordinate of a 2D point.\n"
             "   :type y: float\n"
             "   :return: The FEdge nearest to the specified 2D point.\n"
             "   :rtype: :class:`FEdge`");

static PyObject *ViewMap_get_closest_fedge(BPy_ViewMap *self, PyObject *args, PyObject *kwds)
{
  static const char *kwlist[] = {"x", "y", nullptr};
  double x, y;

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "dd", (char **)kwlist, &x, &y)) {
    return nullptr;
  }
  FEdge *fe = const_cast<FEdge *>(self->vm->getClosestFEdge(x, y));
  if (fe) {
    return Any_BPy_FEdge_from_FEdge(*fe);
  }
  Py_RETURN_NONE;
}

// static ViewMap *getInstance ();

static PyMethodDef BPy_ViewMap_methods[] = {
    {"get_closest_viewedge",
     (PyCFunction)ViewMap_get_closest_viewedge,
     METH_VARARGS | METH_KEYWORDS,
     ViewMap_get_closest_viewedge_doc},
    {"get_closest_fedge",
     (PyCFunction)ViewMap_get_closest_fedge,
     METH_VARARGS | METH_KEYWORDS,
     ViewMap_get_closest_fedge_doc},
    {nullptr, nullptr, 0, nullptr},
};

/*----------------------ViewMap get/setters ----------------------------*/

PyDoc_STRVAR(ViewMap_scene_bbox_doc,
             "The 3D bounding box of the scene.\n"
             "\n"
             ":type: :class:`BBox`");

static PyObject *ViewMap_scene_bbox_get(BPy_ViewMap *self, void * /*closure*/)
{
  return BPy_BBox_from_BBox(self->vm->getScene3dBBox());
}

static int ViewMap_scene_bbox_set(BPy_ViewMap *self, PyObject *value, void * /*closure*/)
{
  if (!BPy_BBox_Check(value)) {
    PyErr_SetString(PyExc_TypeError, "value must be a BBox");
    return -1;
  }
  self->vm->setScene3dBBox(*(((BPy_BBox *)value)->bb));
  return 0;
}

static PyGetSetDef BPy_ViewMap_getseters[] = {
    {"scene_bbox",
     (getter)ViewMap_scene_bbox_get,
     (setter)ViewMap_scene_bbox_set,
     ViewMap_scene_bbox_doc,
     nullptr},
    {nullptr, nullptr, nullptr, nullptr, nullptr} /* Sentinel */
};

/*-----------------------BPy_ViewMap type definition ------------------------------*/

PyTypeObject ViewMap_Type = {
    PyVarObject_HEAD_INIT(nullptr, 0)
    /*tp_name*/ "ViewMap",
    /*tp_basicsize*/ sizeof(BPy_ViewMap),
    /*tp_itemsize*/ 0,
    /*tp_dealloc*/ (destructor)ViewMap_dealloc,
    /*tp_vectorcall_offset*/ 0,
    /*tp_getattr*/ nullptr,
    /*tp_setattr*/ nullptr,
    /*tp_as_async*/ nullptr,
    /*tp_repr*/ (reprfunc)ViewMap_repr,
    /*tp_as_number*/ nullptr,
    /*tp_as_sequence*/ nullptr,
    /*tp_as_mapping*/ nullptr,
    /*tp_hash*/ nullptr,
    /*tp_call*/ nullptr,
    /*tp_str*/ nullptr,
    /*tp_getattro*/ nullptr,
    /*tp_setattro*/ nullptr,
    /*tp_as_buffer*/ nullptr,
    /*tp_flags*/ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
    /*tp_doc*/ ViewMap_doc,
    /*tp_traverse*/ nullptr,
    /*tp_clear*/ nullptr,
    /*tp_richcompare*/ nullptr,
    /*tp_weaklistoffset*/ 0,
    /*tp_iter*/ nullptr,
    /*tp_iternext*/ nullptr,
    /*tp_methods*/ BPy_ViewMap_methods,
    /*tp_members*/ nullptr,
    /*tp_getset*/ BPy_ViewMap_getseters,
    /*tp_base*/ nullptr,
    /*tp_dict*/ nullptr,
    /*tp_descr_get*/ nullptr,
    /*tp_descr_set*/ nullptr,
    /*tp_dictoffset*/ 0,
    /*tp_init*/ (initproc)ViewMap_init,
    /*tp_alloc*/ nullptr,
    /*tp_new*/ PyType_GenericNew,
};

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

#ifdef __cplusplus
}
#endif