#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2015-2017 Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

import datetime

from django.conf import settings
from django.contrib.auth.models import User
from django.core.files.uploadedfile import SimpleUploadedFile
from django.core.urlresolvers import reverse
from django.test import TestCase
from django.test.client import Client
from ishtar_common.models import ImporterType, IshtarUser, ImporterColumn,\
    FormaterType, ImportTarget

from ishtar_common.models import Person
from archaeological_context_records.models import Period
from archaeological_finds import models, views
from archaeological_warehouse.models import Warehouse, WarehouseType

from archaeological_context_records.tests import ImportContextRecordTest, \
    ContextRecordInit

from ishtar_common import forms_common
from ishtar_common.tests import WizardTest, WizardTestFormData as FormData


class FindInit(ContextRecordInit):
    test_context_records = False

    def create_finds(self, user=None, data_base={}, data={}, force=False):
        if not getattr(self, 'finds', None):
            self.finds = []
        if not getattr(self, 'base_finds', None):
            self.base_finds = []

        default = {'label': "Base find"}
        if not data_base.get('history_modifier'):
            data_base['history_modifier'] = self.get_default_user()
        if force or not data_base.get('context_record'):
            data_base['context_record'] = self.get_default_context_record(
                force=force)
        default.update(data_base)
        base_find = models.BaseFind.objects.create(**default)
        self.base_finds.append(base_find)

        data["history_modifier"] = data_base["history_modifier"]
        find = models.Find.objects.create(**data)
        find.base_finds.add(base_find)
        self.finds.append(find)
        return self.finds, self.base_finds

    def get_default_find(self, force=False):
        finds, base_finds = self.create_finds(force=force)
        if force:
            return finds[-1], base_finds[-1]
        return finds[0], base_finds[0]

    def tearDown(self):
        super(FindInit, self).tearDown()
        if hasattr(self, 'finds'):
            for f in self.finds:
                try:
                    f.delete()
                except:
                    pass
            self.finds = []
        if hasattr(self, 'base_finds'):
            for f in self.base_finds:
                try:
                    f.delete()
                except:
                    pass
            self.base_find = []


class AFindWizardCreationTest(WizardTest, FindInit, TestCase):
    # TODO: first to be run because of strange init things...
    fixtures = [settings.ROOT_PATH +
                '../fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../ishtar_common/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_files/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_operations/fixtures/initial_data-fr.json',
                settings.ROOT_PATH +
                '../archaeological_finds/fixtures/initial_data-fr.json',
                settings.ROOT_PATH +
                '../archaeological_warehouse/fixtures/initial_data-fr.json',
                ]
    url_name = 'find_creation'
    wizard_name = 'find_wizard'
    steps = views.find_creation_steps
    form_datas = [
        FormData(
            'Find creation',
            form_datas={
                'selecrecord-find_creation': {'pk': 1},
                'find-find_creation': {
                    'label': 'hop',
                    'checked': 'NC',
                    'check_date': '2016-01-01'
                },
                'dating-find_creation': [
                    {
                        'period': None,
                        'start_date': '0',
                        'end_date': '200',
                    }
                ]
            },
        )
    ]

    def pre_wizard(self):
        cr = self.create_context_record(
            data={'parcel': self.create_parcel()[-1]}, force=True)[-1]

        self.form_datas[0].form_datas['selecrecord-find_creation']['pk'] = cr.pk
        self.form_datas[0].form_datas['dating-find_creation'][0]['period'] = \
            Period.objects.all()[0].pk
        self.find_number = models.Find.objects.count()
        self.basefind_number = models.BaseFind.objects.count()
        super(AFindWizardCreationTest, self).pre_wizard()

    def post_wizard(self):
        self.assertEqual(models.BaseFind.objects.count(),
                         self.basefind_number + 1)
        self.assertEqual(models.Find.objects.count(),
                         self.find_number + 1)


class ATreatmentWizardCreationTest(WizardTest, FindInit, TestCase):
    # TODO: first to be run because of strange init things...
    fixtures = [settings.ROOT_PATH +
                '../fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../ishtar_common/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_files/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_operations/fixtures/initial_data-fr.json',
                settings.ROOT_PATH +
                '../archaeological_finds/fixtures/initial_data-fr.json',
                settings.ROOT_PATH +
                '../archaeological_warehouse/fixtures/initial_data-fr.json',
                ]
    url_name = 'treatment_creation'
    wizard_name = 'treatment_wizard'
    steps = views.treatment_wizard_steps
    form_datas = [
        FormData(
            'Move treament',
            form_datas={
                'file-treatment_creation': {},
                'basetreatment-treatment_creation': {
                    'treatment_type': 4,  # move
                    'person': 1,  # doer
                    'location': 1,  # associated warehouse
                    'year': 2016,
                    'target_is_basket': False
                },
                'selecfind-treatment_creation': {
                    'pk': 1,
                    'resulting_pk': 1
                }
            },
            ignored=('resultfind-treatment_creation',
                     'selecbasket-treatment_creation',
                     'resultfinds-treatment_creation'))
    ]

    def pre_wizard(self):
        q = Warehouse.objects.filter(pk=1)
        if not q.count():
            warehouse = Warehouse.objects.create(
                name="default", warehouse_type=WarehouseType.objects.all()[0])
            warehouse.id = 1
            warehouse.save()
        q = Person.objects.filter(pk=1)
        if not q.count():
            person = Person.objects.create(name="default")
            person.id = 1
            person.save()
        self.find, base_find = self.get_default_find(force=True)
        self.form_datas[0].form_datas['selecfind-treatment_creation'][
            'pk'] = self.find.pk
        self.form_datas[0].form_datas['selecfind-treatment_creation'][
            'resulting_pk'] = self.find.pk
        self.treatment_number = models.Treatment.objects.count()
        super(ATreatmentWizardCreationTest, self).pre_wizard()

    def post_wizard(self):
        self.assertEqual(models.Treatment.objects.count(),
                         self.treatment_number + 1)
        treat = models.Treatment.objects.order_by('-pk').all()[0]
        self.find = models.Find.objects.get(pk=self.find.pk)
        self.assertEqual(models.Find.objects.filter(
            upstream_treatment=treat).count(), 1)
        self.assertEqual(self.find.downstream_treatment,
                         treat)


class ImportFindTest(ImportContextRecordTest):
    test_operations = False
    test_context_records = False

    fixtures = ImportContextRecordTest.fixtures + [
        settings.ROOT_PATH +
        '../archaeological_finds/fixtures/initial_data-fr.json',
    ]

    def testMCCImportFinds(self, test=True):
        self.testMCCImportContextRecords(test=False)

        old_nb = models.BaseFind.objects.count()
        old_nb_find = models.Find.objects.count()
        MCC = ImporterType.objects.get(name=u"MCC - Mobilier")

        col = ImporterColumn.objects.create(col_number=25,
                                            importer_type_id=MCC.pk)
        formater = FormaterType.objects.filter(
            formater_type='FileFormater').all()[0]
        ImportTarget.objects.create(target='find__image',
                                    formater_type_id=formater.pk,
                                    column_id=col.pk)
        mcc_file = open(
            settings.ROOT_PATH +
            '../archaeological_finds/tests/MCC-finds-example.csv', 'rb')
        mcc_images = open(
            settings.ROOT_PATH +
            '../archaeological_finds/tests/images.zip', 'rb')
        file_dict = {'imported_file': SimpleUploadedFile(mcc_file.name,
                                                         mcc_file.read()),
                     'imported_images': SimpleUploadedFile(mcc_images.name,
                                                           mcc_images.read())}
        post_dict = {'importer_type': MCC.pk, 'skip_lines': 1,
                     "encoding": 'utf-8'}
        form = forms_common.NewImportForm(data=post_dict, files=file_dict,
                                          instance=None)
        form.is_valid()
        if test:
            self.assertTrue(form.is_valid())
        impt = form.save(self.ishtar_user)
        impt.initialize()

        # doing manual connections
        ceram = models.MaterialType.objects.get(txt_idx='ceramic').pk
        glass = models.MaterialType.objects.get(txt_idx='glass').pk
        self.setTargetKey('find__material_types', 'terre-cuite', ceram)
        self.setTargetKey('find__material_types', 'verre', glass)
        impt.importation()
        if not test:
            return
        # new finds has now been imported
        current_nb = models.BaseFind.objects.count()
        self.assertEqual(current_nb, (old_nb + 4))
        current_nb = models.Find.objects.count()
        self.assertEqual(current_nb, (old_nb_find + 4))
        self.assertEqual(
            models.Find.objects.filter(material_types__pk=ceram).count(), 4)
        self.assertEqual(
            models.Find.objects.filter(material_types__pk=glass).count(), 1)
        images = [f.image for f in models.Find.objects.all() if f.image.name]
        self.assertEqual(len(images), 1)


class FindTest(FindInit, TestCase):
    fixtures = [settings.ROOT_PATH +
                '../fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../ishtar_common/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_files/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_operations/fixtures/initial_data-fr.json',
                settings.ROOT_PATH +
                '../archaeological_finds/fixtures/initial_data-fr.json',
                ]
    model = models.Find

    def setUp(self):
        self.create_finds(force=True)
        password = 'mypassword'
        my_admin = User.objects.create_superuser(
            'myuser', 'myemail@test.com', password)
        self.client = Client()
        self.client.login(username=my_admin.username, password=password)

    def testExternalID(self):
        find = self.finds[0]
        base_find = find.base_finds.all()[0]
        self.assertEqual(
            find.external_id,
            u"{}-{}".format(
                find.get_first_base_find().context_record.external_id,
                find.label))
        self.assertEqual(
            base_find.external_id,
            u"{}-{}".format(
                base_find.context_record.external_id,
                base_find.label))

    def testShowFind(self):
        find = self.finds[0]
        response = self.client.get(reverse('display-find', args=[find.pk]))
        self.assertEqual(response.status_code, 200)
        self.assertIn('load_window("/show-find/{}/");'.format(find.pk),
                      response.content)


class PackagingTest(FindInit, TestCase):
    fixtures = [settings.ROOT_PATH +
                '../fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../ishtar_common/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_files/fixtures/initial_data.json',
                settings.ROOT_PATH +
                '../archaeological_operations/fixtures/initial_data-fr.json',
                settings.ROOT_PATH +
                '../archaeological_finds/fixtures/initial_data-fr.json',
                ]
    model = models.Find

    def setUp(self):
        self.create_finds({"label": u"Find 1"}, force=True)
        self.create_finds({"label": u"Find 2"}, force=True)
        self.basket = models.FindBasket.objects.create(
            label="My basket", user=IshtarUser.objects.get(
                pk=self.get_default_user().pk))
        self.other_basket = models.FindBasket.objects.create(
            label="My other basket", user=IshtarUser.objects.get(
                pk=self.get_default_user().pk))
        for find in self.finds:
            self.basket.items.add(find)
            self.other_basket.items.add(find)

    def testPackaging(self):
        treatment_type = models.TreatmentType.objects.get(txt_idx='packaging')
        treatment = models.Treatment()
        items_nb = models.Find.objects.count()
        treatment.save(user=self.get_default_user(), items=self.basket)
        self.assertEqual(items_nb + self.basket.items.count(),
                         models.Find.objects.count(),
                         msg="Packaging doesn't generate enough new finds")
        treatment.treatment_types.add(treatment_type)
        # new version of the find is in the basket
        for item in self.basket.items.all():
            self.assertNotIn(
                item, self.finds,
                msg="Original basket have not been upgraded after packaging")
        for item in self.other_basket.items.all():
            self.assertNotIn(
                item, self.finds,
                msg="Other basket have not been upgraded after packaging")
