# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import unittest
import copy

from nose.tools import eq_, ok_

from sys import maxint

from socorro.lib.util import DotDict, SilentFakeLogger
from socorro.processor.support_classifiers import (
    SupportClassificationRule,
    BitguardClassifier,
    OutOfDateClassifier,
)

from socorro.processor.signature_utilities import CSignatureTool
from socorro.unittest.processor.test_breakpad_pipe_to_json import (
    cannonical_json_dump,
)

csig_config = DotDict()
csig_config.irrelevant_signature_re = ''
csig_config.prefix_signature_re = ''
csig_config.signatures_with_line_numbers_re = ''
csig_config.signature_sentinels = []
c_signature_tool = CSignatureTool(csig_config)


def create_basic_fake_processor():
    fake_processor = DotDict()
    fake_processor.c_signature_tool = c_signature_tool
    fake_processor.config = DotDict()
    # need help figuring out failures? switch to FakeLogger and read stdout
    fake_processor.config.logger = SilentFakeLogger()
    #fake_processor.config.logger = FakeLogger()
    return fake_processor


class TestSupportClassificationRule(unittest.TestCase):

    def test_predicate(self):
        rc = DotDict()
        pc = DotDict()
        pc.classifications = DotDict()
        processor = None

        support_rule = SupportClassificationRule()
        ok_(support_rule.predicate(rc, pc, processor))

        pc.classifications.support = DotDict()
        ok_(support_rule.predicate(rc, pc, processor))

    def test_action(self):
        rc = DotDict()
        pc = DotDict()
        processor = None

        support_rule = SupportClassificationRule()
        ok_(support_rule.action(rc, pc, processor))

    def test_version(self):
        support_rule = SupportClassificationRule()
        eq_(support_rule.version(), '0.0')

    def test_add_classification_to_processed_crash(self):
        pc = DotDict()
        pc.classifications = DotDict()

        support_rule = SupportClassificationRule()
        support_rule._add_classification(
            pc,
            'stupid',
            'extra stuff'
        )
        ok_('classifications' in pc)
        ok_('support' in pc.classifications)
        eq_(
            'stupid',
            pc.classifications.support.classification
        )
        eq_(
            'extra stuff',
            pc.classifications.support.classification_data
        )
        eq_(
            '0.0',
            pc.classifications.support.classification_version
        )


class TestBitguardClassfier(unittest.TestCase):

    def test_action_success(self):
        jd = copy.deepcopy(cannonical_json_dump)
        jd['modules'].append({'filename': 'bitguard.dll'})
        pc = DotDict()
        pc.json_dump = jd

        fake_processor = create_basic_fake_processor()

        rc = DotDict()

        rule = BitguardClassifier()
        action_result = rule.action(rc, pc, fake_processor)

        ok_(action_result)
        ok_('classifications' in pc)
        ok_('support' in pc.classifications)
        eq_(
            'bitguard',
            pc.classifications.support.classification
        )

    def test_action_fail(self):
        jd = copy.deepcopy(cannonical_json_dump)
        pc = DotDict()
        pc.json_dump = jd

        fake_processor = create_basic_fake_processor()

        rc = DotDict()

        rule = BitguardClassifier()
        action_result = rule.action(rc, pc, fake_processor)

        ok_(not action_result)
        ok_('classifications' not in pc)


class TestOutOfDateClassifier(unittest.TestCase):

    def test_predicate(self):
        jd = copy.deepcopy(cannonical_json_dump)
        processed_crash = DotDict()
        processed_crash.json_dump = jd
        raw_crash = DotDict()
        raw_crash.ProductName = 'Firefox'
        raw_crash.Version = '16'

        fake_processor = create_basic_fake_processor()
        fake_processor.config.firefox_out_of_date_version = '17'

        classifier = OutOfDateClassifier()
        ok_(classifier._predicate(
            raw_crash,
            processed_crash,
            fake_processor
        ))

        raw_crash.Version = '19'
        ok_(not classifier._predicate(
            raw_crash,
            processed_crash,
            fake_processor
        ))

        raw_crash.Version = '12'
        raw_crash.ProductName = 'NotFireFox'
        ok_(not classifier._predicate(
            raw_crash,
            processed_crash,
            fake_processor
        ))

    def test_normalize_windows_version(self):
        classifier = OutOfDateClassifier()

        eq_(
            classifier._normalize_windows_version("5.1.2600 Service Pack 3"),
            (5, 1, 3)
        )
        eq_(
            classifier._normalize_windows_version("5.1.2600"),
            (5, 1)
        )
        eq_(
            classifier._normalize_windows_version(
                "5.1.2600 Dwight Wilma"
            ),
            (5, 1)
        )
        eq_(
            classifier._normalize_windows_version(
                "5"
            ),
            (5, )
        )

    def test_windows_action(self):
        jd = copy.deepcopy(cannonical_json_dump)
        processed_crash = DotDict()
        processed_crash.json_dump = jd
        raw_crash = DotDict()
        raw_crash.ProductName = 'Firefox'
        raw_crash.Version = '16'

        fake_processor = create_basic_fake_processor()

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Windows NT'
        processed_crash.json_dump['system_info']['os_ver'] = \
            '5.1.2600 Service Pack 2'
        ok_(classifier._windows_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'firefox-no-longer-works-some-versions-windows-xp'
        )

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Windows NT'
        processed_crash.json_dump['system_info']['os_ver'] = \
            '5.0 Service Pack 23'
        ok_(classifier._windows_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'firefox-no-longer-works-windows-2000'
        )

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Windows NT'
        processed_crash.json_dump['system_info']['os_ver'] = \
            '5.1.2600 Service Pack 3'
        ok_(classifier._windows_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'update-firefox-latest-version'
        )

    def test_normalize_osx_version(self):
            classifier = OutOfDateClassifier()

            eq_(
                classifier._normalize_osx_version("10.4.5"),
                (10, 4)
            )
            eq_(
                classifier._normalize_osx_version("10"),
                (10, )
            )
            eq_(
                classifier._normalize_osx_version(
                    "10.dwight"
                ),
                (10, maxint)
            )

    def test_osx_action(self):
        jd = copy.deepcopy(cannonical_json_dump)
        processed_crash = DotDict()
        processed_crash.json_dump = jd
        raw_crash = DotDict()
        raw_crash.ProductName = 'Firefox'
        raw_crash.Version = '16'

        fake_processor = create_basic_fake_processor()

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Mac OS X'
        processed_crash.json_dump['system_info']['os_ver'] = '10.1'
        processed_crash.json_dump['system_info']['cpu_arch'] = 'ppc'
        ok_(classifier._osx_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'firefox-no-longer-works-mac-os-10-4-or-powerpc'
        )

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Mac OS X'
        processed_crash.json_dump['system_info']['os_ver'] = '10.5'
        processed_crash.json_dump['system_info']['cpu_arch'] = 'ppc'
        ok_(classifier._osx_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'firefox-no-longer-works-mac-os-10-4-or-powerpc'
        )

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Mac OS X'
        processed_crash.json_dump['system_info']['os_ver'] = '10.5'
        processed_crash.json_dump['system_info']['cpu_arch'] = 'x86'
        ok_(classifier._osx_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'firefox-no-longer-works-mac-os-x-10-5'
        )

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)
        processed_crash.json_dump['system_info']['os'] = 'Mac OS X'
        processed_crash.json_dump['system_info']['os_ver'] = '10.99'
        ok_(classifier._osx_action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'update-firefox-latest-version'
        )

    def test_action(self):
        jd = copy.deepcopy(cannonical_json_dump)
        processed_crash = DotDict()
        processed_crash.json_dump = jd
        raw_crash = DotDict()
        raw_crash.ProductName = 'Firefox'
        raw_crash.Version = '16'

        fake_processor = create_basic_fake_processor()

        classifier = OutOfDateClassifier()
        classifier.out_of_date_threshold = ('17',)

        processed_crash.json_dump['system_info']['os'] = 'Mac OS X'
        processed_crash.json_dump['system_info']['os_ver'] = '10.1'
        processed_crash.json_dump['system_info']['cpu_arch'] = 'ppc'
        ok_(classifier._action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'firefox-no-longer-works-mac-os-10-4-or-powerpc'
        )
        processed_crash.json_dump['system_info']['os'] = 'Windows NT'
        processed_crash.json_dump['system_info']['os_ver'] = \
            '5.1.2600 Service Pack 3'
        ok_(classifier._action(
            raw_crash,
            processed_crash,
            fake_processor
        ))
        eq_(
            processed_crash.classifications.support.classification,
            'update-firefox-latest-version'
        )
