# coding=utf-8

from safe.common.exceptions import (
    MetadataLayerConstraintError)
from safe.definitions import layer_mode_continuous, layer_geometry_raster, \
    layer_mode_classified
from safe.impact_functions.base import ImpactFunction
from safe.impact_functions.bases.layer_types.classified_raster_hazard import \
    ClassifiedRasterHazardMixin
from safe.impact_functions.bases.layer_types.continuous_raster_exposure \
    import ContinuousRasterExposureMixin
from safe.impact_functions.bases.utilities import (
    check_layer_constraint)

__author__ = 'Rizky Maulana Nugraha "lucernae" <lana.pcfre@gmail.com>'
__date__ = '28/05/15'


class ClassifiedRHContinuousRE(
        ImpactFunction,
        ClassifiedRasterHazardMixin,
        ContinuousRasterExposureMixin):
    """Classified Raster Hazard, Continuous Raster Exposure base class.

    """

    def __init__(self):
        """Constructor"""
        super(ClassifiedRHContinuousRE, self).__init__()
        # check constraint
        valid = check_layer_constraint(
            self.metadata(),
            layer_mode_classified,
            [layer_geometry_raster],
            layer_mode_continuous,
            [layer_geometry_raster])
        if not valid:
            raise MetadataLayerConstraintError()

    @ImpactFunction.hazard.setter
    # pylint: disable=W0221
    def hazard(self, value):
        ImpactFunction.hazard.fset(self, value)

    @ImpactFunction.exposure.setter
    # pylint: disable=W0221
    def exposure(self, value):
        ImpactFunction.exposure.fset(self, value)
