from django.test import TestCase
from RIGS import models
from datetime import date, timedelta
from decimal import *


class ProfileTestCase(TestCase):
    def test_str(self):
        profile = models.Profile(first_name='Test', last_name='Case')
        self.assertEqual(profile.name, 'Test Case')
        profile.initials = 'TC'
        self.assertEqual(profile.name, 'Test Case "TC"')


class VatRateTestCase(TestCase):
    def setUp(self):
        models.VatRate.objects.create(start_at='2014-03-01', rate=0.20, comment='test1')
        models.VatRate.objects.create(start_at='2016-03-01', rate=0.15, comment='test2')

    def test_find_correct(self):
        r = models.VatRate.objects.find_rate('2015-03-01')
        self.assertEqual(r.comment, 'test1')
        r = models.VatRate.objects.find_rate('2016-03-01')
        self.assertEqual(r.comment, 'test2')

    def test_percent_correct(self):
        r = models.VatRate.objects.get(rate=0.20)
        self.assertEqual(r.as_percent, 20)


class EventTestCase(TestCase):
    def setUp(self):
        self.all_events = set(range(1, 18))
        self.current_events = (1, 2, 3, 6, 7, 8, 10, 11, 12, 14, 15, 16, 18)
        self.not_current_events = set(self.all_events) - set(self.current_events)

        self.vatrate = models.VatRate.objects.create(start_at='2014-03-05', rate=0.20, comment='test1')
        self.profile = models.Profile.objects.create(username="testuser1", email="1@test.com")

        # produce 7 normal events - 5 current
        models.Event.objects.create(name="TE E1", start_date=date.today() + timedelta(days=6),
                                    description="start future no end")
        models.Event.objects.create(name="TE E2", start_date=date.today(), description="start today no end")
        models.Event.objects.create(name="TE E3", start_date=date.today(), end_date=date.today(),
                                    description="start today with end today")
        models.Event.objects.create(name="TE E4", start_date='2014-03-20', description="start past no end")
        models.Event.objects.create(name="TE E5", start_date='2014-03-20', end_date='2014-03-21',
                                    description="start past with end past")
        models.Event.objects.create(name="TE E6", start_date=date.today() - timedelta(days=2),
                                    end_date=date.today() + timedelta(days=2), description="start past, end future")
        models.Event.objects.create(name="TE E7", start_date=date.today() + timedelta(days=2),
                                    end_date=date.today() + timedelta(days=2), description="start + end in future")

        # 2 cancelled - 1 current
        models.Event.objects.create(name="TE E8", start_date=date.today() + timedelta(days=2),
                                    end_date=date.today() + timedelta(days=2), status=models.Event.CANCELLED,
                                    description="cancelled in future")
        models.Event.objects.create(name="TE E9", start_date=date.today() - timedelta(days=1),
                                    end_date=date.today() + timedelta(days=2), status=models.Event.CANCELLED,
                                    description="cancelled and started")

        # 5 dry hire - 3 current
        models.Event.objects.create(name="TE E10", start_date=date.today(), dry_hire=True, description="dryhire today")
        models.Event.objects.create(name="TE E11", start_date=date.today(), dry_hire=True, checked_in_by=self.profile,
                                    description="dryhire today, checked in")
        models.Event.objects.create(name="TE E12", start_date=date.today() - timedelta(days=1), dry_hire=True,
                                    status=models.Event.BOOKED, description="dryhire past")
        models.Event.objects.create(name="TE E13", start_date=date.today() - timedelta(days=2), dry_hire=True,
                                    checked_in_by=self.profile, description="dryhire past checked in")
        models.Event.objects.create(name="TE E14", start_date=date.today(), dry_hire=True,
                                    status=models.Event.CANCELLED, description="dryhire today cancelled")

        # 4 non rig - 3 current
        models.Event.objects.create(name="TE E15", start_date=date.today(), is_rig=False, description="non rig today")
        models.Event.objects.create(name="TE E16", start_date=date.today() + timedelta(days=1), is_rig=False,
                                    description="non rig tomorrow")
        models.Event.objects.create(name="TE E17", start_date=date.today() - timedelta(days=1), is_rig=False,
                                    description="non rig yesterday")
        models.Event.objects.create(name="TE E18", start_date=date.today(), is_rig=False, status=models.Event.CANCELLED,
                                    description="non rig today cancelled")

    def test_count(self):
        # Santiy check we have the expected events created
        self.assertEqual(models.Event.objects.count(), 18, "Incorrect number of events, check setup")

    def test_rig_count(self):
        # by my count this is 7
        self.assertEqual(models.Event.objects.rig_count(), 8)

    def test_current_events(self):
        current_events = models.Event.objects.current_events()
        self.assertEqual(len(current_events), len(self.current_events))
        for eid in self.current_events:
            self.assertIn(models.Event.objects.get(name="TE E%d" % eid), current_events)

        for eid in self.not_current_events:
            self.assertNotIn(models.Event.objects.get(name="TE E%d" % eid), current_events)

    def test_related_venue(self):
        v1 = models.Venue.objects.create(name="TE V1")
        v2 = models.Venue.objects.create(name="TE V2")
        events = models.Event.objects.all()
        for event in events[:2]:
            event.venue = v1
            event.save()
        for event in events[3:4]:
            event.venue = v2
            event.save()

        events = models.Event.objects.all()
        self.assertItemsEqual(events[:2], v1.latest_events)
        self.assertItemsEqual(events[3:4], v2.latest_events)

    def test_related_vatrate(self):
        self.assertEqual(self.vatrate, models.Event.objects.all()[0].vat_rate)

    def test_related_person(self):
        p1 = models.Person.objects.create(name="TE P1")
        p2 = models.Person.objects.create(name="TE P2")

        events = models.Event.objects.all()
        for event in events[:2]:
            event.person = p1
            event.save()
        for event in events[3:4]:
            event.person = p2
            event.save()

        events = models.Event.objects.all()
        self.assertItemsEqual(events[:2], p1.latest_events)
        self.assertItemsEqual(events[3:4], p2.latest_events)

    def test_related_organisation(self):
        o1 = models.Organisation.objects.create(name="TE O1")
        o2 = models.Organisation.objects.create(name="TE O2")

        events = models.Event.objects.all()
        for event in events[:2]:
            event.organisation = o1
            event.save()
        for event in events[3:4]:
            event.organisation = o2
            event.save()

        events = models.Event.objects.all()
        self.assertItemsEqual(events[:2], o1.latest_events)
        self.assertItemsEqual(events[3:4], o2.latest_events)

    def test_organisation_person_join(self):
        p1 = models.Person.objects.create(name="TE P1")
        p2 = models.Person.objects.create(name="TE P2")
        o1 = models.Organisation.objects.create(name="TE O1")
        o2 = models.Organisation.objects.create(name="TE O2")

        events = models.Event.objects.all()
        # p1 in o1 + o2, p2 in o1
        for event in events[:2]:
            event.person = p1
            event.organisation = o1
            event.save()
        for event in events[3:4]:
            event.person = p1
            event.organisation = o2
            event.save()
        for event in events[5:7]:
            event.person = p2
            event.organisation = o1
            event.save()

        events = models.Event.objects.all()

        # Check person's organisations
        self.assertIn((o1, 2), p1.organisations)
        self.assertIn((o2, 1), p1.organisations)
        self.assertIn((o1, 2), p2.organisations)
        self.assertEqual(len(p2.organisations), 1)

        # Check organisation's persons
        self.assertIn((p1, 2), o1.persons)
        self.assertIn((p2, 2), o1.persons)
        self.assertIn((p1, 1), o2.persons)
        self.assertEqual(len(o2.persons), 1)

    def test_cancelled_property(self):
        event = models.Event.objects.all()[0]
        event.status = models.Event.CANCELLED
        event.save()
        event = models.Event.objects.all()[0]
        self.assertEqual(event.status, models.Event.CANCELLED)
        self.assertTrue(event.cancelled)
        event.status = models.Event.PROVISIONAL
        event.save()

    def test_confirmed_property(self):
        event = models.Event.objects.all()[0]
        event.status = models.Event.CONFIRMED
        event.save()
        event = models.Event.objects.all()[0]
        self.assertEqual(event.status, models.Event.CONFIRMED)
        self.assertTrue(event.confirmed)
        event.status = models.Event.PROVISIONAL
        event.save()


class EventItemTestCase(TestCase):
    def setUp(self):
        self.e1 = models.Event.objects.create(name="TI E1", start_date=date.today())
        self.e2 = models.Event.objects.create(name="TI E2", start_date=date.today())

    def test_item_cost(self):
        item = models.EventItem.objects.create(event=self.e1, name="TI I1", quantity=1, cost=1.00, order=1)
        self.assertEqual(item.total_cost, 1.00)

        item.cost = 2.50
        self.assertEqual(item.total_cost, 2.50)

        item.quantity = 4
        self.assertEqual(item.total_cost, 10.00)

        # need to tidy up
        item.delete()

    def test_item_order(self):
        i1 = models.EventItem.objects.create(event=self.e1, name="TI I1", quantity=1, cost=1.00, order=1)
        i2 = models.EventItem.objects.create(event=self.e1, name="TI I2", quantity=1, cost=1.00, order=2)

        items = self.e1.items.all()
        self.assertListEqual([i1, i2], list(items))


class EventPricingTestCase(TestCase):
    def setUp(self):
        models.VatRate.objects.create(rate=0.20, comment="TP V1", start_at='2013-01-01')
        models.VatRate.objects.create(rate=0.10, comment="TP V2", start_at=date.today() - timedelta(days=1))
        self.e1 = models.Event.objects.create(name="TP E1", start_date=date.today() - timedelta(days=2))
        self.e2 = models.Event.objects.create(name="TP E2", start_date=date.today())

        # Create some items E1, total 70.40
        # Create some items E2, total 381.20
        self.i1 = models.EventItem.objects.create(event=self.e1, name="TP I1", quantity=1, cost=50.00, order=1)
        self.i2 = models.EventItem.objects.create(event=self.e1, name="TP I2", quantity=2, cost=3.20, order=2)
        self.i3 = models.EventItem.objects.create(event=self.e1, name="TP I3", quantity=7, cost=2.00, order=3)
        self.i4 = models.EventItem.objects.create(event=self.e2, name="TP I4", quantity=2, cost=190.60, order=1)

    # Decimal type is needed here as that is what is returned from the model.
    # Using anything else results in a failure due to floating point arritmetic
    def test_sum_totals(self):
        self.assertEqual(self.e1.sum_total, Decimal('70.40'))
        self.assertEqual(self.e2.sum_total, Decimal('381.20'))

    def test_vat_rate(self):
        self.assertEqual(self.e1.vat_rate.rate, Decimal('0.20'))
        self.assertEqual(self.e2.vat_rate.rate, Decimal('0.10'))

    def test_vat_ammount(self):
        self.assertEqual(self.e1.vat, Decimal('14.08'))
        self.assertEqual(self.e2.vat, Decimal('38.12'))

    def test_grand_total(self):
        self.assertEqual(self.e1.total, Decimal('84.48'))
        self.assertEqual(self.e2.total, Decimal('419.32'))