"""
Crée des utilisateurs, des articles et des opérations aléatoires
"""

import os
import random
from datetime import timedelta

from django.utils import timezone
from django.contrib.auth.models import User, Group, Permission, ContentType

from gestioncof.management.base import MyBaseCommand
from gestioncof.models import CofProfile
from kfet.models import Account, Article, OperationGroup, Operation, Transfer, \
    Checkout

# Où sont stockés les fichiers json
DATA_DIR = os.path.join(os.path.dirname(os.path.dirname(__file__)),
                        'data')


class Command(MyBaseCommand):
    help = "Crée des utilisateurs, des articles et des opérations aléatoires"

    def handle(self, *args, **options):
        # ---
        # Groupes
        # ---

        Group.objects.filter(name__icontains='K-Fêt').delete()

        group_chef = Group(name="K-Fêt César")
        group_boy = Group(name="K-Fêt Légionnaire")

        group_chef.save()
        group_boy.save()

        permissions_chef = Permission.objects.filter(
                    content_type__in=ContentType.objects.filter(
                        app_label='kfet'))
        permissions_boy = Permission.objects.filter(
                    codename__in=['is_team', 'perform_deposit'])

        group_chef.permissions.add(*permissions_chef)
        group_boy.permissions.add(*permissions_boy)

        # ---
        # Comptes
        # ---

        gaulois = CofProfile.objects.filter(user__last_name='Gaulois')
        gaulois_trigramme = map('{:03d}'.format, range(50))

        romains = CofProfile.objects.filter(user__last_name='Romain')
        romains_trigramme = map(lambda x: str(100+x), range(99))

        for (profile, trigramme) in zip(gaulois, gaulois_trigramme):
            account, _ = Account.objects.get_or_create(
                trigramme=trigramme,
                cofprofile=profile,
                defaults={'balance': random.randint(1, 999)/10}
            )

            if profile.user.first_name == 'Abraracourcix':
                profile.user.groups.add(group_chef)

        for (profile, trigramme) in zip(romains, romains_trigramme):
            account, _ = Account.objects.get_or_create(
                trigramme=trigramme,
                cofprofile=profile,
                defaults={'balance': random.randint(1, 999)/10}
            )

            if random.random() > 0.75:
                profile.user.groups.add(group_boy)

        # Compte liquide

        liq_user, _ = User.objects.get_or_create(username='liquide')
        liq_profile, _ = CofProfile.objects.get_or_create(user=liq_user)
        liq_account, _ = Account.objects.get_or_create(cofprofile=liq_profile,
                                                       trigramme='LIQ')

        # ---
        # Caisse
        # ---

        checkout, _ = Checkout.objects.get_or_create(
            created_by=Account.objects.get(trigramme='000'),
            name='Chaudron',
            valid_from=timezone.now(),
            valid_to=timezone.now() + timedelta(days=365)
        )

        # ---
        # Opérations
        # ---

        articles = Article.objects.all()
        accounts = Account.objects.exclude(trigramme='LIQ')

        num_op = 100
        # Operations are put uniformly over the span of a week
        past_date = 3600*24*7

        for i in range(num_op):
            if random.random() > 0.25:
                account = random.choice(accounts)
            else:
                account = liq_account

            amount = 0
            at = timezone.now() - timedelta(
                seconds=random.randint(0, past_date))

            opegroup = OperationGroup(
                on_acc=account,
                checkout=checkout,
                at=at,
                is_cof=account.cofprofile.is_cof)

            opegroup.save()

            for j in range(random.randint(1, 4)):
                typevar = random.random()
                if typevar > 0.9 and account != liq_account:
                    ope = Operation(
                        group=opegroup,
                        type=Operation.DEPOSIT,
                        amount=random.randint(1, 99)/10,
                    )
                elif typevar > 0.8 and account != liq_account:
                    ope = Operation(
                        group=opegroup,
                        type=Operation.WITHDRAW,
                        amount=random.randint(1, 99)/10,
                    )
                else:
                    article = random.choice(articles)
                    nb = random.randint(1, 5)

                    ope = Operation(
                        group=opegroup,
                        type=Operation.PURCHASE,
                        amount=-article.price*nb,
                        article=article,
                        article_nb=nb
                    )

                ope.save()
                amount += ope.amount

            opegroup.amount = amount
            opegroup.save()