""" What you need in the database to make it work """
from django.core.management.base import BaseCommand
from django.contrib.auth.models import Group, Permission
from django.contrib.contenttypes.models import ContentType

from bookwyrm import models


def init_groups():
    """permission levels"""
    groups = ["admin", "moderator", "editor"]
    for group in groups:
        Group.objects.create(name=group)


def init_permissions():
    """permission types"""
    permissions = [
        {
            "codename": "edit_instance_settings",
            "name": "change the instance info",
            "groups": [
                "admin",
            ],
        },
        {
            "codename": "set_user_group",
            "name": "change what group a user is in",
            "groups": ["admin", "moderator"],
        },
        {
            "codename": "control_federation",
            "name": "control who to federate with",
            "groups": ["admin", "moderator"],
        },
        {
            "codename": "create_invites",
            "name": "issue invitations to join",
            "groups": ["admin", "moderator"],
        },
        {
            "codename": "moderate_user",
            "name": "deactivate or silence a user",
            "groups": ["admin", "moderator"],
        },
        {
            "codename": "moderate_post",
            "name": "delete other users' posts",
            "groups": ["admin", "moderator"],
        },
        {
            "codename": "edit_book",
            "name": "edit book info",
            "groups": ["admin", "moderator", "editor"],
        },
    ]

    content_type = models.ContentType.objects.get_for_model(User)
    for permission in permissions:
        permission_obj = Permission.objects.create(
            codename=permission["codename"],
            name=permission["name"],
            content_type=content_type,
        )
        # add the permission to the appropriate groups
        for group_name in permission["groups"]:
            Group.objects.get(name=group_name).permissions.add(permission_obj)

    # while the groups and permissions shouldn't be changed because the code
    # depends on them, what permissions go with what groups should be editable


def init_connectors():
    """access book data sources"""
    models.Connector.objects.create(
        identifier="bookwyrm.social",
        name="BookWyrm dot Social",
        connector_file="bookwyrm_connector",
        base_url="https://bookwyrm.social",
        books_url="https://bookwyrm.social/book",
        covers_url="https://bookwyrm.social/images/",
        search_url="https://bookwyrm.social/search?q=",
        isbn_search_url="https://bookwyrm.social/isbn/",
        priority=2,
    )

    models.Connector.objects.create(
        identifier="inventaire.io",
        name="Inventaire",
        connector_file="inventaire",
        base_url="https://inventaire.io",
        books_url="https://inventaire.io/api/entities",
        covers_url="https://inventaire.io",
        search_url="https://inventaire.io/api/search?types=works&types=works&search=",
        isbn_search_url="https://inventaire.io/api/entities?action=by-uris&uris=isbn%3A",
        priority=3,
    )

    models.Connector.objects.create(
        identifier="openlibrary.org",
        name="OpenLibrary",
        connector_file="openlibrary",
        base_url="https://openlibrary.org",
        books_url="https://openlibrary.org",
        covers_url="https://covers.openlibrary.org",
        search_url="https://openlibrary.org/search?q=",
        isbn_search_url="https://openlibrary.org/api/books?jscmd=data&format=json&bibkeys=ISBN:",
        priority=3,
    )


def init_federated_servers():
    """big no to nazis"""
    built_in_blocks = ["gab.ai", "gab.com"]
    for server in built_in_blocks:
        models.FederatedServer.objects.create(
            server_name=server,
            status="blocked",
        )


def init_settings():
    """info about the instance"""
    models.SiteSettings.objects.create(
        support_link="https://www.patreon.com/bookwyrm",
        support_title="Patreon",
    )


def init_link_domains(*_):
    """safe book links"""
    domains = [
        ("standardebooks.org", "Standard EBooks"),
        ("www.gutenberg.org", "Project Gutenberg"),
        ("archive.org", "Internet Archive"),
        ("openlibrary.org", "Open Library"),
        ("theanarchistlibrary.org", "The Anarchist Library"),
    ]
    for domain, name in domains:
        models.LinkDomain.objects.create(
            domain=domain,
            name=name,
            status="approved",
        )


class Command(BaseCommand):
    help = "Initializes the database with starter data"

    def add_arguments(self, parser):
        parser.add_argument(
            "--limit",
            default=None,
            help="Limit init to specific table",
        )

    def handle(self, *args, **options):
        limit = options.get("limit")
        tables = [
            "group",
            "permission",
            "connector",
            "federatedserver",
            "settings",
            "linkdomain",
        ]
        if limit not in tables:
            raise Exception("Invalid table limit:", limit)

        if not limit or limit == "group":
            init_groups()
        if not limit or limit == "permission":
            init_permissions()
        if not limit or limit == "connector":
            init_connectors()
        if not limit or limit == "federatedserver":
            init_federated_servers()
        if not limit or limit == "settings":
            init_settings()
        if not limit or limit == "linkdomain":
            init_link_domains()