import sys
import salome

salome.salome_init()

import GEOM
from salome.geom import geomBuilder
import math
import SALOMEDS

geompy = geomBuilder.New()

def simpleCubic(alpha, fillet = False):
    O = geompy.MakeVertex(0, 0, 0)
    OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
    OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
    OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)

    r0 = 1.0
    L = 2*r0
    h = L
    h2 = 2*h
    d1 = L*math.sqrt(2)
    d2 = L*math.sqrt(3)
    d = r0/math.sqrt(3)
    pi_4 = 45*math.pi/180.0
    pi_2 = 90*math.pi/180.0
    n = 3                                                             # number of cubes in line

    Box_1 = geompy.MakeBoxDXDYDZ(d1, d1, h)
    Rotation_1 = geompy.MakeRotation(Box_1, OZ, pi_4)
    Translation_2 = geompy.MakeTranslation(Rotation_1, h, 0, 0)
    Vertex_1 = geompy.MakeVertex(h, 0, 0)
    Vertex_2 = geompy.MakeVertex(h, h, 0)
    Vertex_3 = geompy.MakeVertex(h, h, h)
    Line_1 = geompy.MakeLineTwoPnt(Vertex_2, Vertex_3)

    sk = geompy.Sketcher3D()
    sk.addPointsAbsolute(0, 0, h2)                                    #             Rombus
    sk.addPointsAbsolute(h, 0, h)                                     # Vertex_2 of Rombus
    sk.addPointsAbsolute(h, h, 0)                                     # Vertex_3 of Rombus
    sk.addPointsAbsolute(0, h, h)                                     # Vertex_4 of Rombus
    sk.addPointsAbsolute(0, 0, h2)                                    # Vertex_1 of Rombus
    a3D_Sketcher_1 = sk.wire()
    Face_1 = geompy.MakeFaceWires([a3D_Sketcher_1], 1)
    Vector_1 = geompy.MakeVectorDXDYDZ(1, 1, 0)
    Extrusion_1 = geompy.MakePrismVecH(Face_1, Vector_1, d1)

    sk_2 = geompy.Sketcher3D()                                        #             Hexagon
    sk_2.addPointsAbsolute(L, L, L)                                   # Vertex_1 of Hexagon
    sk_2.addPointsAbsolute(5*L/3, 2*L/3, 2*L/3)                       # Vertex_2 of Hexagon
    sk_2.addPointsAbsolute(2*L, L, 0)                                 # Vertex_3 of Hexagon
    sk_2.addPointsAbsolute(5*L/3, 5*L/3, -L/3)                        # Vertex_4 of Hexagon
    sk_2.addPointsAbsolute(L, 2*L, 0)                                 # Vertex_5 of Hexagon
    sk_2.addPointsAbsolute(2*L/3, 5*L/3, 2*L/3)                       # Vertex_6 of Hexagon
    sk_2.addPointsAbsolute(L, L, L)                                   # Vertex_1 of Hexagon
    a3D_Sketcher_2 = sk_2.wire()
    Face_2 = geompy.MakeFaceWires([a3D_Sketcher_2], 1)
    Vector_2 = geompy.MakeVectorDXDYDZ(1, 1, 1)
    Extrusion_2 = geompy.MakePrismVecH(Face_2, Vector_2, d2/3)

    Translation_3 = geompy.MakeTranslation(a3D_Sketcher_2, -L-L/6, -L-L/6, 0-L/6)
    Face_3 = geompy.MakeFaceWires([Translation_3], 1)
    Vector_2 = geompy.MakeVectorDXDYDZ(1, 1, 1)
    #Extrusion_3 = geompy.MakePrismVecH(Face_3, Vector_2, (n-4.0/3)*d2)    # Extrusion_3Direction
    Extrusion_3 = geompy.MakePrismVecH(Face_3, Vector_2, (n-2.0)*d2)    # Extrusion_3Direction

    geompy.addToStudy( O, 'O' )
    geompy.addToStudy( OX, 'OX' )
    geompy.addToStudy( OY, 'OY' )
    geompy.addToStudy( OZ, 'OZ' )
    geompy.addToStudy( Vertex_1, 'Vertex_1' )
    geompy.addToStudy( Vertex_2, 'Vertex_2' )
    geompy.addToStudy( Vertex_3, 'Vertex_3' )
    geompy.addToStudy( Line_1, 'Line_1' )
    geompy.addToStudy( Box_1, 'Box_1' )
    geompy.addToStudy( Rotation_1, 'Rotation_1' )
    geompy.addToStudy( Translation_2, 'Translation_2' )

    geompy.addToStudy( a3D_Sketcher_1, 'a3D_Sketcher_1' )
    geompy.addToStudy( Face_1, 'Face_1' )
    geompy.addToStudy( Vector_1, 'Vector_1' )
    geompy.addToStudy( Extrusion_1, 'Extrusion_1' )
    geompy.addToStudy( a3D_Sketcher_2, 'a3D_Sketcher_2' )
    geompy.addToStudy( Face_2, 'Face_2' )
    geompy.addToStudy( Vector_2, 'Vector_2' )
    geompy.addToStudy( Extrusion_2, 'Extrusion_2' )
    geompy.addToStudy( Translation_3, 'a3D_Sketcher_3' )
    geompy.addToStudy( Extrusion_3, 'Extrusion_3' )

    Sphere_1 = geompy.MakeSphereR(r0/(1-alpha))
    Multi_Translation_2 = geompy.MakeMultiTranslation2D(Sphere_1, OX, L, n, OY, L, n)
    Multi_Translation_3 = geompy.MakeMultiTranslation1D(Multi_Translation_2, OZ, L, n)
    Cut_1 = geompy.MakeCutList(Translation_2, [Multi_Translation_3])
    Cut_2 = geompy.MakeCutList(Extrusion_1, [Multi_Translation_3])
    Cut_3 = geompy.MakeCutList(Extrusion_2, [Multi_Translation_3])
    Cut_V = geompy.MakeCutList(Cut_1, [Cut_3])
    #Cut_2.SetColor(SALOMEDS.Color(0,0,1))
    Cut_4 = geompy.MakeCutList(Extrusion_3, [Multi_Translation_3])

    geompy.addToStudy( Sphere_1, 'Sphere_' )
    geompy.addToStudy( Multi_Translation_2, 'Multi-Translation_2_'  )
    geompy.addToStudy( Multi_Translation_3, 'Multi-Translation_3_'  )
    geompy.addToStudy( Cut_1, 'Pore1_' )
    geompy.addToStudy( Cut_2, 'Pore2_' )
    geompy.addToStudy( Cut_3, 'Pore3_' )
    geompy.addToStudy( Cut_V, 'Cut_V_' )
    geompy.addToStudy( Cut_4, 'Pore4_' )

    if salome.sg.hasDesktop():
        salome.sg.updateObjBrowser()

    # Preparation
    grains = geompy.ExtractShapes(Multi_Translation_3, geompy.ShapeType["SOLID"], True)
    grains = geompy.MakeFuseList(grains, False, False)
    geometry1 = Cut_1
    geometry2 = Cut_4

    if fillet:
        R = r0 / (1 - alpha)
        C1 = 0.8
        C2 = 0.05
        alpha1 = 0.01
        alpha2 = 0.28
        
        Cf = C1 + (C2 - C1) / (alpha2 - alpha1) * (alpha - alpha1)
        R_fillet = Cf * (R - r0)
        
        # Scaling up
        scale = 100
        grains = geompy.MakeScaleTransform(grains, O, scale)
        geometry1 = geompy.MakeScaleTransform(geometry1, O, scale)
        geometry2 = geompy.MakeScaleTransform(geometry2, O, scale)
        
        # 
        grains = geompy.MakeFilletAll(grains, R_fillet * scale)
        geometry1 = geompy.MakeCutList(geometry1, [grains], True)
        geometry2 = geompy.MakeCutList(geometry2, [grains], True)
        
        # Scaling down
        grains = geompy.MakeScaleTransform(grains, O, 1 / scale)
        geometry1 = geompy.MakeScaleTransform(geometry1, O, 1 / scale)
        geometry2 = geompy.MakeScaleTransform(geometry2, O, 1 / scale)

    #
    geompy.addToStudy(grains, "grains")
    geompy.addToStudy(geometry1, "geometry1")
    geompy.addToStudy(geometry2, "geometry2")

    return grains, geometry1, geometry2