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import FreeCAD
import Path.Op.Vcarve as PathVcarve
import Path.Tool.Bit as PathToolBit
import math

from PathTests.PathTestUtils import PathTestBase


class VbitTool(object):
    """Faked out vcarve tool"""

    def __init__(self, dia, angle, tipDia):
        self.Diameter = FreeCAD.Units.Quantity(dia, FreeCAD.Units.Length)
        self.CuttingEdgeAngle = FreeCAD.Units.Quantity(angle, FreeCAD.Units.Angle)
        self.TipDiameter = FreeCAD.Units.Quantity(tipDia, FreeCAD.Units.Length)


Scale45 = 2.414214
Scale60 = math.sqrt(3)


class TestPathVcarve(PathTestBase):
    """Test Vcarve milling basics."""

    def test00(self):
        """Verify 90 deg depth calculation"""
        tool = VbitTool(10, 90, 0)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -10)
        self.assertRoughly(geom.start, 0)
        self.assertRoughly(geom.stop, -5)
        self.assertRoughly(geom.scale, 1)

    def test01(self):
        """Verify 90 deg depth limit"""
        tool = VbitTool(10, 90, 0)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -3)
        self.assertRoughly(geom.start, 0)
        self.assertRoughly(geom.stop, -3)
        self.assertRoughly(geom.scale, 1)

    def test02(self):
        """Verify 60 deg depth calculation"""
        tool = VbitTool(10, 60, 0)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -10)
        self.assertRoughly(geom.start, 0)
        self.assertRoughly(geom.stop, -5 * Scale60)
        self.assertRoughly(geom.scale, Scale60)

    def test03(self):
        """Verify 60 deg depth limit"""
        tool = VbitTool(10, 60, 0)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -3)
        self.assertRoughly(geom.start, 0)
        self.assertRoughly(geom.stop, -3)
        self.assertRoughly(geom.scale, Scale60)

    def test10(self):
        """Verify 90 deg with tip dia depth calculation"""
        tool = VbitTool(10, 90, 2)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -10)
        # in order for the width to be correct the height needs to be shifted
        self.assertRoughly(geom.start, 1)
        self.assertRoughly(geom.stop, -4)
        self.assertRoughly(geom.scale, 1)

    def test11(self):
        """Verify 90 deg with tip dia depth limit calculation"""
        tool = VbitTool(10, 90, 2)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -3)
        # in order for the width to be correct the height needs to be shifted
        self.assertRoughly(geom.start, 1)
        self.assertRoughly(geom.stop, -3)
        self.assertRoughly(geom.scale, 1)

    def test12(self):
        """Verify 45 deg with tip dia depth calculation"""
        tool = VbitTool(10, 45, 2)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -10)
        # in order for the width to be correct the height needs to be shifted
        self.assertRoughly(geom.start, Scale45)
        self.assertRoughly(geom.stop, -4 * Scale45)
        self.assertRoughly(geom.scale, Scale45)

    def test13(self):
        """Verify 45 deg with tip dia depth limit calculation"""
        tool = VbitTool(10, 45, 2)
        geom = PathVcarve._Geometry.FromTool(tool, 0, -3)
        # in order for the width to be correct the height needs to be shifted
        self.assertRoughly(geom.start, Scale45)
        self.assertRoughly(geom.stop, -3)
        self.assertRoughly(geom.scale, Scale45)
