# -*- coding: utf-8 -*-
# Generated by Django 1.10.4 on 2016-12-11 21:13
from __future__ import unicode_literals

import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models

import openslides.utils.models


def move_custom_slides_to_topics(apps, schema_editor):
    """
    Move all custom slides to new topic model.
    """
    # We get the model from the versioned app registry;
    # if we directly import it, it will be the wrong version.
    ContentType = apps.get_model("contenttypes", "ContentType")
    CustomSlide = apps.get_model("core", "CustomSlide")
    Item = apps.get_model("agenda", "Item")
    Topic = apps.get_model("topics", "Topic")

    # Copy data.
    content_type_custom_slide = ContentType.objects.get_for_model(CustomSlide)
    content_type_topic = ContentType.objects.get_for_model(Topic)
    for custom_slide in CustomSlide.objects.all():
        # This line does not create a new Item because this migration model has
        # no method 'get_agenda_title()'. See agenda/signals.py.
        topic = Topic.objects.create(title=custom_slide.title, text=custom_slide.text)
        topic.attachments.add(*custom_slide.attachments.all())
        item = Item.objects.get(
            object_id=custom_slide.pk, content_type=content_type_custom_slide
        )
        item.object_id = topic.pk
        item.content_type = content_type_topic
        item.save(skip_autoupdate=True)

    # Delete old data.
    CustomSlide.objects.all().delete()
    content_type_custom_slide.delete()


def name_default_projector(apps, schema_editor):
    """
    Set the name of the default projector to 'Defaultprojector'
    """
    Projector = apps.get_model("core", "Projector")
    Projector.objects.filter(pk=1).update(name="Default projector")


def remove_old_countdowns_messages(apps, schema_editor):
    """
    Remove old countdowns and messages created by 2.0 from projector elements which are unusable in 2.1.
    """
    Projector = apps.get_model("core", "Projector")
    projector = Projector.objects.get(pk=1)

    projector_config = projector.config
    for key, value in list(projector.config.items()):
        if value.get("name") in ("core/countdown", "core/message"):
            del projector_config[key]
    projector.config = projector_config
    projector.save(skip_autoupdate=True)


def add_projection_defaults(apps, schema_editor):
    """
    Adds projectiondefaults for messages and countdowns.
    """
    Projector = apps.get_model("core", "Projector")
    ProjectionDefault = apps.get_model("core", "ProjectionDefault")
    # The default projector (pk=1) is always available.
    default_projector = Projector.objects.get(pk=1)

    projectiondefaults = []

    projectiondefaults.append(
        ProjectionDefault(
            name="agenda_all_items", display_name="Agenda", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="topics", display_name="Topics", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="agenda_list_of_speakers",
            display_name="List of speakers",
            projector=default_projector,
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="agenda_current_list_of_speakers",
            display_name="Current list of speakers",
            projector=default_projector,
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="motions", display_name="Motions", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="motionBlocks",
            display_name="Motion blocks",
            projector=default_projector,
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="assignments", display_name="Elections", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="users", display_name="Participants", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="mediafiles", display_name="Files", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="messages", display_name="Messages", projector=default_projector
        )
    )
    projectiondefaults.append(
        ProjectionDefault(
            name="countdowns", display_name="Countdowns", projector=default_projector
        )
    )

    # Create all new projectiondefaults
    ProjectionDefault.objects.bulk_create(projectiondefaults)


class Migration(migrations.Migration):

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
        ("sessions", "0001_initial"),
        ("contenttypes", "0002_remove_content_type_name"),
        ("core", "0001_initial"),
        (
            "agenda",
            "0001_initial",
        ),  # ('agenda', '0002_item_duration') is not required but would be also ok.
        ("topics", "0001_initial"),
    ]

    operations = [
        migrations.CreateModel(
            name="Countdown",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("description", models.CharField(blank=True, max_length=256)),
                ("running", models.BooleanField(default=False)),
                ("default_time", models.PositiveIntegerField(default=60)),
                ("countdown_time", models.FloatField(default=60)),
            ],
            options={"default_permissions": ()},
            bases=(openslides.utils.models.RESTModelMixin, models.Model),
        ),
        migrations.CreateModel(
            name="ProjectionDefault",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("name", models.CharField(max_length=256)),
                ("display_name", models.CharField(max_length=256)),
            ],
            options={"default_permissions": ()},
            bases=(openslides.utils.models.RESTModelMixin, models.Model),
        ),
        migrations.CreateModel(
            name="ProjectorMessage",
            fields=[
                (
                    "id",
                    models.AutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("message", models.TextField(blank=True)),
            ],
            options={"default_permissions": ()},
            bases=(openslides.utils.models.RESTModelMixin, models.Model),
        ),
        migrations.CreateModel(
            name="Session",
            fields=[
                (
                    "session_ptr",
                    models.OneToOneField(
                        auto_created=True,
                        on_delete=django.db.models.deletion.CASCADE,
                        parent_link=True,
                        primary_key=True,
                        serialize=False,
                        to="sessions.Session",
                    ),
                ),
                (
                    "user",
                    models.ForeignKey(
                        null=True,
                        on_delete=django.db.models.deletion.CASCADE,
                        to=settings.AUTH_USER_MODEL,
                    ),
                ),
            ],
            options={"default_permissions": ()},
            bases=("sessions.session",),
        ),
        migrations.RunPython(move_custom_slides_to_topics),
        migrations.RemoveField(model_name="customslide", name="attachments"),
        migrations.DeleteModel(name="CustomSlide"),
        migrations.AlterModelOptions(
            name="chatmessage",
            options={
                "default_permissions": (),
                "permissions": (
                    ("can_use_chat", "Can use the chat"),
                    ("can_manage_chat", "Can manage the chat"),
                ),
            },
        ),
        migrations.AddField(
            model_name="projector",
            name="blank",
            field=models.BooleanField(default=False),
        ),
        migrations.AddField(
            model_name="projector",
            name="height",
            field=models.PositiveIntegerField(default=915),
        ),
        migrations.AddField(
            model_name="projector",
            name="name",
            field=models.CharField(blank=True, max_length=255, unique=True),
        ),
        migrations.AddField(
            model_name="projector",
            name="width",
            field=models.PositiveIntegerField(default=1220),
        ),
        migrations.AddField(
            model_name="projectiondefault",
            name="projector",
            field=models.ForeignKey(
                on_delete=django.db.models.deletion.CASCADE,
                related_name="projectiondefaults",
                to="core.Projector",
            ),
        ),
        migrations.RunPython(name_default_projector),
        migrations.RunPython(remove_old_countdowns_messages),
        migrations.RunPython(add_projection_defaults),
    ]