#!/usr/bin/env python
# -*- coding: utf-8 -*-

import GEOM
from salome.geom import geomBuilder
geompy = geomBuilder.New()

import math
import logging

def getGeom():
    return geompy

def rotate(gobj, ang):
    x = geompy.MakeVectorDXDYDZ(1, 0, 0)
    y = geompy.MakeVectorDXDYDZ(0, 1, 0)
    z = geompy.MakeVectorDXDYDZ(0, 0, 1)

    # yaw
    rotated = geompy.MakeRotation(gobj, z, ang[2])
    # pitch
    rotated = geompy.MakeRotation(rotated, y, ang[1])
    # roll
    rotated = geompy.MakeRotation(rotated, x, ang[0])

    return rotated

def createGroup(gobj, planelist, grains, name):
    gr = geompy.CreateGroup(gobj, geompy.ShapeType["FACE"], name)

    grcomp = geompy.MakeCompound(planelist)
    #grcut = geompy.MakeCutList(grcomp, [grains], False)

    gip = geompy.GetInPlace(gobj, grcomp, True)
    faces = geompy.SubShapeAll(gip, geompy.ShapeType["FACE"])
    geompy.UnionList(gr, faces)

    return gr

def boundaryCreate(gobj, dvec, grains):

    xvec = geompy.MakeVector(
        geompy.MakeVertex(0, 0, 0),
        geompy.MakeVertex(dvec.x[0], dvec.x[1], dvec.x[2]))
    #xvec = rotate(xvec, [0, 0, 0.25 * math.pi])

    #yvec = rotate(xvec, [0.5 * math.pi, 0, 0])
    #zvec = rotate(xvec, [0, 0.5 * math.pi, 0])
    
    yvec = geompy.MakeVector(
        geompy.MakeVertex(0, 0, 0),
        geompy.MakeVertex(dvec.y[0], dvec.y[1], dvec.y[2]))
    zvec = geompy.MakeVector(
        geompy.MakeVertex(0, 0, 0),
        geompy.MakeVertex(dvec.z[0], dvec.z[1], dvec.z[2]))

    geompy.addToStudy(xvec, "xvec")
    geompy.addToStudy(yvec, "yvec")
    geompy.addToStudy(zvec, "zvec")

    logging.info("boundaryCreate: dvec = {}".format(dvec))

    planes = geompy.ExtractShapes(gobj, geompy.ShapeType["FACE"], False)
    planes = geompy.MakeCompound(planes)
    planes = geompy.MakeCutList(planes, [grains], False)
    planes = geompy.ExtractShapes(planes, geompy.ShapeType["FACE"], False)

    inletplanes = []
    outletplanes = []
    #uplanes = []

    fwplanes = []
    bwplanes = []
    lplanes = []
    rplanes = []

    for plane in planes:
        nvec = geompy.GetNormal(plane)
        xang = round(geompy.GetAngle(nvec, xvec), 0)
        yang = round(geompy.GetAngle(nvec, yvec), 0)
        zang = round(geompy.GetAngle(nvec, zvec), 0)
        print(xang, yang, zang, sep="\t")

        if xang == 0:
            inletplanes.append(plane)

        elif xang == 180:
            outletplanes.append(plane)

        elif yang == 0:
            fwplanes.append(plane)

        elif yang == 180:
            bwplanes.append(plane)

        elif zang == 0:
            lplanes.append(plane)

        elif zang == 180:
            rplanes.append(plane)

    logging.info(
        "boundaryCreate: planes = {}, inletplanes = {}, outletplanes = {}".format(
            len(planes), len(inletplanes), len(outletplanes)))

    logging.info(
        "boundaryCreate: fwplanes = {}, bwplanes = {}, lplanes = {}, rplanes = {}".format(
            len(fwplanes), len(bwplanes), len(lplanes), len(rplanes)))

    # Main groups
    inlet = createGroup(gobj, inletplanes, grains, "inlet")
    outlet = createGroup(gobj, outletplanes, grains, "outlet")

    symetryPlaneFW = createGroup(gobj, fwplanes, grains, "symetryPlaneFW")
    symetryPlaneBW = createGroup(gobj, bwplanes, grains, "symetryPlaneBW")
    symetryPlaneL = createGroup(gobj, lplanes, grains, "symetryPlaneL")
    symetryPlaneR = createGroup(gobj, rplanes, grains, "symetryPlaneR")

    # wall
    allgroup = geompy.CreateGroup(gobj, geompy.ShapeType["FACE"])
    faces = geompy.SubShapeAllIDs(gobj, geompy.ShapeType["FACE"])
    geompy.UnionIDs(allgroup, faces)
    wall = geompy.CutListOfGroups([allgroup],
        [inlet, outlet, symetryPlaneFW, symetryPlaneBW, symetryPlaneL, symetryPlaneR], "wall")

    boundary = {
        "inlet": inlet,
        "outlet": outlet,
        "symetryPlaneFW": symetryPlaneFW,
        "symetryPlaneBW": symetryPlaneBW,
        "symetryPlaneL": symetryPlaneL,
        "symetryPlaneR": symetryPlaneR,
        "wall": wall
    }

    return boundary