import numpy as np

class Solid(object):
    def __init__(self, id, mesh, rotation=np.identity(3), displacement=(0,0,0),
                 material1=None, material2=None, surface1=None, surface2=None,
                 color=0xffffffff):
        self.id = id
        self.mesh = mesh

        if rotation.shape != (3,3):
            raise ValueError('shape mismatch')

        self.rotation = rotation.astype(np.float32)

        displacement = np.asarray(displacement, dtype=np.float32)

        if displacement.shape != (3,):
            raise ValueError('shape mismatch')

        self.displacement = displacement

        if np.iterable(material1):
            if len(material1) != len(mesh):
                raise ValueError('shape mismatch')
            self.material1 = np.array(material1, dtype=np.object)
        else:
            self.material1 = np.tile(material1, len(self.mesh))

        if np.iterable(material2):
            if len(material2) != len(mesh):
                raise ValueError('shape mismatch')
            self.material2 = np.array(material2, dtype=np.object)
        else:
            self.material2 = np.tile(material2, len(self.mesh))

        if np.iterable(surface1):
            if len(surface1) != len(mesh):
                raise ValueError('shape mismatch')
            self.surface1 = np.array(surface1, dtype=np.object)
        else:
            self.surface1 = np.tile(surface1, len(self.mesh))

        if np.iterable(surface2):
            if len(surface2) != len(mesh):
                raise ValueError('shape mismatch')
            self.surface2 = np.array(surface2, dtype=np.object)
        else:
            self.surface2 = np.tile(surface2, len(self.mesh))

        if np.iterable(color):
            if len(color) != len(mesh):
                raise ValueError('shape mismatch')
            self.color = np.array(color, dtype=np.uint32)
        else:
            self.color = np.tile(color, len(self.mesh))

    def __len__(self):
        return len(self.mesh)