# Generated by Django 3.2.15 on 2022-10-01 08:44

import datetime
from django.db import migrations, models
import django.db.models.deletion
from django.db.models import F
from django.utils import timezone

import seminar.models as m


def vytvor_deadliny(apps, schema_editor):
    Cislo = apps.get_model('seminar', 'Cislo')
    Deadline = apps.get_model('seminar', 'Deadline')
    Hodnoceni = apps.get_model('seminar', 'Hodnoceni')

    for cislo in Cislo.objects.all():
        if not (cislo.datum_deadline or cislo.datum_deadline_soustredeni or cislo.datum_preddeadline):
            h = Hodnoceni.objects.filter(problem__uloha__cislo_zadani=cislo).order_by(F("reseni__cas_doruceni")).last()

            if h is None:
                h = Hodnoceni.objects.filter(cislo_body=cislo).order_by(F("reseni__cas_doruceni")).last()

            if h is not None:
                cislo.datum_deadline = h.reseni.cas_doruceni.date()
                cislo.save()

        if cislo.datum_deadline_soustredeni and cislo.datum_deadline_soustredeni == cislo.datum_preddeadline:
            d = Deadline()
            d.cislo = cislo
            d.typ = m.Deadline.TYP_PRVNI_A_SOUS
            d.deadline = timezone.make_aware(datetime.datetime.combine(cislo.datum_deadline_soustredeni, datetime.time.min)) + datetime.timedelta(days=1)
            d.verejna_vysledkovka = cislo.verejna_vysledkovka
            d.save()
        else:
            if cislo.datum_deadline_soustredeni:
                d = Deadline()
                d.cislo = cislo
                d.typ = m.Deadline.TYP_SOUS
                d.deadline = timezone.make_aware(datetime.datetime.combine(cislo.datum_deadline_soustredeni, datetime.time.min)) + datetime.timedelta(days=1)
                d.verejna_vysledkovka = cislo.verejna_vysledkovka
                d.save()
            if cislo.datum_preddeadline:
                d = Deadline()
                d.cislo = cislo
                d.typ = m.Deadline.TYP_PRVNI
                d.deadline = timezone.make_aware(datetime.datetime.combine(cislo.datum_preddeadline, datetime.time.min)) + datetime.timedelta(days=1)
                d.verejna_vysledkovka = cislo.verejna_vysledkovka
                d.save()

        if cislo.datum_deadline:
            d = Deadline()
            d.cislo = cislo
            d.typ = m.Deadline.TYP_CISLA
            d.deadline = timezone.make_aware(datetime.datetime.combine(cislo.datum_deadline, datetime.time.min)) + datetime.timedelta(days=1)
            d.verejna_vysledkovka = cislo.verejna_vysledkovka
            d.save()


class Migration(migrations.Migration):

    dependencies = [
        ('seminar', '0102_osoba_jak_se_dozvedeli'),
    ]

    operations = [
        migrations.CreateModel(
            name='Deadline',
            fields=[
                ('id', models.AutoField(primary_key=True, serialize=False)),
                ('deadline', models.DateTimeField(default=timezone.make_aware(datetime.datetime.combine(timezone.now(), datetime.time.max)))),
                ('typ', models.CharField(choices=[('cisla', 'Deadline celého čísla'), ('prvni', 'První deadline'), ('prvniasous', 'Sousový a první deadline'), ('sous', 'Sousový deadline')], max_length=32, verbose_name='typ deadlinu')),
                ('verejna_vysledkovka', models.BooleanField(db_column='verejna_vysledkovka', default=False, verbose_name='veřejná výsledkovka')),
                ('cislo', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='deadline_v_cisle', to='seminar.cislo', verbose_name='deadline v čísle')),
            ],
            options={
                'verbose_name': 'Deadline',
                'verbose_name_plural': 'Deadliny',
                'db_table': 'seminar_deadliny',
                'ordering': ['deadline'],
            },
        ),
        migrations.RunPython(vytvor_deadliny, migrations.RunPython.noop),
    ]