"""STIX 2.0 Domain Objects."""

from collections import OrderedDict
import itertools

from stix2patterns.validator import run_validator

from ..custom import _custom_object_builder
from ..exceptions import InvalidValueError
from ..properties import (
    BooleanProperty, IDProperty, IntegerProperty, ListProperty,
    ObservableProperty, OpenVocabProperty, PatternProperty, ReferenceProperty,
    StringProperty, TimestampProperty, TypeProperty,
)
from ..utils import NOW
from .base import _DomainObject
from .common import ExternalReference, GranularMarking, KillChainPhase
from .vocab import (
    ATTACK_MOTIVATION, ATTACK_RESOURCE_LEVEL, IDENTITY_CLASS, INDICATOR_LABEL,
    INDUSTRY_SECTOR, MALWARE_LABEL, REPORT_LABEL, THREAT_ACTOR_LABEL,
    THREAT_ACTOR_ROLE, THREAT_ACTOR_SOPHISTICATION, TOOL_LABEL,
)


class AttackPattern(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714302>`__.
    """

    _type = 'attack-pattern'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('kill_chain_phases', ListProperty(KillChainPhase)),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Campaign(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714305>`__.
    """

    _type = 'campaign'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('aliases', ListProperty(StringProperty)),
        ('first_seen', TimestampProperty()),
        ('last_seen', TimestampProperty()),
        ('objective', StringProperty()),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class CourseOfAction(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714308>`__.
    """

    _type = 'course-of-action'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Identity(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714311>`__.
    """

    _type = 'identity'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('identity_class', OpenVocabProperty(IDENTITY_CLASS, required=True)),
        ('sectors', ListProperty(OpenVocabProperty(INDUSTRY_SECTOR))),
        ('contact_information', StringProperty()),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Indicator(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714314>`__.
    """

    _type = 'indicator'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty()),
        ('description', StringProperty()),
        ('pattern', PatternProperty(required=True)),
        ('valid_from', TimestampProperty(default=lambda: NOW)),
        ('valid_until', TimestampProperty()),
        ('kill_chain_phases', ListProperty(KillChainPhase)),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(OpenVocabProperty(INDICATOR_LABEL), required=True)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])

    def _check_object_constraints(self):
        errors = run_validator(self.get('pattern'), '2.0')
        if errors:
            raise InvalidValueError(self.__class__, 'pattern', str(errors[0]))


class IntrusionSet(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714317>`__.
    """

    _type = 'intrusion-set'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('aliases', ListProperty(StringProperty)),
        ('first_seen', TimestampProperty()),
        ('last_seen', TimestampProperty()),
        ('goals', ListProperty(StringProperty)),
        ('resource_level', StringProperty()),
        ('primary_motivation', OpenVocabProperty(ATTACK_MOTIVATION)),
        ('secondary_motivations', ListProperty(OpenVocabProperty(ATTACK_MOTIVATION))),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Malware(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714320>`__.
    """

    _type = 'malware'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('kill_chain_phases', ListProperty(KillChainPhase)),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(OpenVocabProperty(MALWARE_LABEL), required=True)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class ObservedData(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714323>`__.
    """

    _type = 'observed-data'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('first_observed', TimestampProperty(required=True)),
        ('last_observed', TimestampProperty(required=True)),
        ('number_observed', IntegerProperty(min=1, max=999999999, required=True)),
        ('objects', ObservableProperty(spec_version="2.0", required=True)),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Report(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714326>`__.
    """

    _type = 'report'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('published', TimestampProperty(required=True)),
        ('object_refs', ListProperty(ReferenceProperty(invalid_types=[], spec_version='2.0'), required=True)),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(OpenVocabProperty(REPORT_LABEL), required=True)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class ThreatActor(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714329>`__.
    """

    _type = 'threat-actor'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('aliases', ListProperty(StringProperty)),
        ('roles', ListProperty(OpenVocabProperty(THREAT_ACTOR_ROLE))),
        ('goals', ListProperty(StringProperty)),
        ('sophistication', OpenVocabProperty(THREAT_ACTOR_SOPHISTICATION)),
        ('resource_level', OpenVocabProperty(ATTACK_RESOURCE_LEVEL)),
        ('primary_motivation', OpenVocabProperty(ATTACK_MOTIVATION)),
        ('secondary_motivations', ListProperty(OpenVocabProperty(ATTACK_MOTIVATION))),
        ('personal_motivations', ListProperty(OpenVocabProperty(ATTACK_MOTIVATION))),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(OpenVocabProperty(THREAT_ACTOR_LABEL), required=True)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Tool(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714332>`__.
    """

    _type = 'tool'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('kill_chain_phases', ListProperty(KillChainPhase)),
        ('tool_version', StringProperty()),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(OpenVocabProperty(TOOL_LABEL), required=True)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


class Vulnerability(_DomainObject):
    """For more detailed information on this object's properties, see
    `the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714335>`__.
    """

    _type = 'vulnerability'
    _properties = OrderedDict([
        ('type', TypeProperty(_type, spec_version='2.0')),
        ('id', IDProperty(_type, spec_version='2.0')),
        ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
        ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
        ('name', StringProperty(required=True)),
        ('description', StringProperty()),
        ('revoked', BooleanProperty(default=lambda: False)),
        ('labels', ListProperty(StringProperty)),
        ('external_references', ListProperty(ExternalReference)),
        ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
        ('granular_markings', ListProperty(GranularMarking)),
    ])


def CustomObject(type='x-custom-type', properties=None):
    """Custom STIX Object type decorator.

    Example:
        >>> from stix2.v20 import CustomObject
        >>> from stix2.properties import IntegerProperty, StringProperty
        >>> @CustomObject('x-type-name', [
        ...     ('property1', StringProperty(required=True)),
        ...     ('property2', IntegerProperty()),
        ... ])
        ... class MyNewObjectType():
        ...     pass

    Supply an ``__init__()`` function to add any special validations to the custom
    type. Don't call ``super().__init__()`` though - doing so will cause an error.

    Example:
        >>> from stix2.v20 import CustomObject
        >>> from stix2.properties import IntegerProperty, StringProperty
        >>> @CustomObject('x-type-name', [
        ...     ('property1', StringProperty(required=True)),
        ...     ('property2', IntegerProperty()),
        ... ])
        ... class MyNewObjectType():
        ...     def __init__(self, property2=None, **kwargs):
        ...         if property2 and property2 < 10:
        ...             raise ValueError("'property2' is too small.")

    """
    def wrapper(cls):
        _properties = list(
            itertools.chain.from_iterable([
                [
                    ('type', TypeProperty(type, spec_version='2.0')),
                    ('id', IDProperty(type, spec_version='2.0')),
                    ('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
                    ('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
                    ('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
                ],
                [x for x in properties if not x[0].startswith('x_')],
                [
                    ('revoked', BooleanProperty(default=lambda: False)),
                    ('labels', ListProperty(StringProperty)),
                    ('external_references', ListProperty(ExternalReference)),
                    ('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
                    ('granular_markings', ListProperty(GranularMarking)),
                ],
                sorted([x for x in properties if x[0].startswith('x_')], key=lambda x: x[0]),
            ]),
        )
        return _custom_object_builder(cls, type, _properties, '2.0', _DomainObject)
    return wrapper