"""
Rhino module parses rhino files and import the geometry into the city model structure
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
"""
from rhino3dm import *
from rhino3dm._rhino3dm import MeshType
import numpy as np

import helpers.configuration_helper
from city_model_structure.attributes.polygon import Polygon
from city_model_structure.building import Building
from city_model_structure.city import City
from city_model_structure.building_demand.surface import Surface as LibsSurface
from imports.geometry.helpers.geometry_helper import GeometryHelper
from helpers.configuration_helper import ConfigurationHelper


class Rhino:
  def __init__(self, path):
    self._model = File3dm.Read(str(path))
    max_float = 1.7976931348623157e+308
    min_float = -1.7976931348623157e+308
    self._min_x = self._min_y = self._min_z = max_float
    self._max_x = self._max_y = self._max_z = min_float
    print('init')

  @staticmethod
  def _solid_points(coordinates) -> np.ndarray:
    solid_points = np.fromstring(coordinates, dtype=float, sep=' ')
    solid_points = GeometryHelper.to_points_matrix(solid_points)
    return solid_points

  def _lower_corner(self, x, y, z):
    if x < self._min_x:
      self._min_x = x
    if y < self._min_y:
      self._min_y = y
    if z < self._min_z:
      self._min_z = z
    if x > self._max_x:
      self._max_x = x
    if y > self._max_y:
      self._max_y = y
    if z > self._max_z:
      self._max_z = z

  @property
  def city(self) -> City:
    buildings = []
    print('city')
    for obj in self._model.Objects:
      name = obj.Attributes.Id
      surfaces = []
      for face in obj.Geometry.Faces:
        if face is None:
          break
        _mesh = face.GetMesh(MeshType.Default)
        for i in range(0, len(_mesh.Faces)):
          faces = _mesh.Faces[i]
          _points = ''

          for index in faces:
            self._lower_corner(_mesh.Vertices[index].X, _mesh.Vertices[index].Y, _mesh.Vertices[index].Z)
            _points = _points + f'{_mesh.Vertices[index].X} {_mesh.Vertices[index].Y} {_mesh.Vertices[index].Z} '
          polygon_points = Rhino._solid_points(_points.strip())
          print(_points)
        surfaces.append(LibsSurface(Polygon(polygon_points), Polygon(polygon_points)))
      buildings.append(Building(name, 3, surfaces, 'unknown', 'unknown', (self._min_x, self._min_y, self._min_z), []))
    lower_corner = (self._min_x, self._min_y, self._min_z)
    upper_corner = (self._max_x, self._max_y, self._max_z)
    city = City(lower_corner, upper_corner, 'Montreal')
    for building in buildings:
      city.add_city_object(building)
    return city