from django.conf import settings
from django.core.files import File
from wagtail.models import Page


def find_available_slug(requested_slug, ignore_page_id=None):
    """
    Finds an available slug within the specified parent.

    If the requested slug is not available, this adds a number on the end, for example:

     - 'requested-slug'
     - 'requested-slug-1'
     - 'requested-slug-2'

    And so on, until an available slug is found.

    The `ignore_page_id` keyword argument is useful for when you are updating a page,
    you can pass the page being updated here so the page's current slug is not
    treated as in use by another page.
    """

    pages = Page.objects.filter(slug__startswith=requested_slug)

    if ignore_page_id:
        pages = pages.exclude(id=ignore_page_id)

    existing_slugs = set(pages.values_list("slug", flat=True))
    slug = requested_slug
    number = 1

    while slug in existing_slugs:
        slug = requested_slug + "-" + str(number)
        number += 1

    return slug


orgs = {
    1: {"de": "andere Broker", "fr": "autres Broker", "it": "altre Broker"},
    2: {
        "de": "andere Krankenversicherer",
        "fr": "autres assureurs santé",
        "it": "altre assicurazioni sanitarie",
    },
    3: {
        "de": "andere Privatversicherer",
        "fr": "autres Assurance privée",
        "it": "altre Assicurazione privato",
    },
    4: {"de": "Allianz Suisse", "fr": "Allianz Suisse", "it": "Allianz Suisse"},
    5: {"de": "AON", "fr": "AON", "it": "AON"},
    6: {
        "de": "AXA Winterthur",
        "fr": "AXA Assurances SA",
        "it": "AXA Assicurazioni SA",
    },
    7: {"de": "Baloise", "fr": "Baloise", "it": "Baloise"},
    8: {
        "de": "CAP Rechtsschutz",
        "fr": "CAP Protection juridique",
        "it": "CAP Protezione giuridica",
    },
    9: {
        "de": "Coop Rechtsschutz",
        "fr": "Coop Protection juridique",
        "it": "Coop Protezione giuridica",
    },
    10: {"de": "CSS", "fr": "CSS", "it": "CSS"},
    11: {"de": "Die Mobiliar", "fr": "La Mobilière", "it": "La Mobiliare"},
    12: {
        "de": "Emmental Versicherung",
        "fr": "Emmental Assurance",
        "it": "Emmental Assicurazione",
    },
    13: {
        "de": "GENERALI Versicherungen",
        "fr": "Generali Assurances",
        "it": "Generali Assicurazioni",
    },
    14: {"de": "Groupe Mutuel", "fr": "GROUPE MUTUEL", "it": "GROUPE MUTUEL"},
    15: {"de": "Helsana", "fr": "Helsana", "it": "Helsana"},
    16: {"de": "Helvetia", "fr": "Helvetia", "it": "Helvetia"},
    17: {"de": "Kessler & Co AG", "fr": "Kessler & Co AG", "it": "Kessler & Co AG"},
    18: {
        "de": "Orion Rechtsschutz Versicherung",
        "fr": "Orion Protection juridique",
        "it": "Orion Protezione giuridica",
    },
    19: {"de": "PAX", "fr": "PAX", "it": "PAX"},
    20: {"de": "Sanitas", "fr": "Sanitas", "it": "Sanitas"},
    21: {"de": "SUVA", "fr": "SUVA", "it": "SUVA"},
    22: {"de": "Swica", "fr": "Swica", "it": "Swica"},
    23: {"de": "Swiss Life", "fr": "Swiss Life", "it": "Swiss Life"},
    24: {"de": "Swiss Re", "fr": "Swiss Re", "it": "Swiss Re"},
    25: {
        "de": "Visana Services AG",
        "fr": "Visana Services SA",
        "it": "Visana Services SA",
    },
    26: {
        "de": "VZ VermögensZentrum AG",
        "fr": "VZ VermögensZentrum AG",
        "it": "VZ VermögensZentrum AG",
    },
    27: {
        "de": "Würth Financial Services AG",
        "fr": "Würth Financial Services SA",
        "it": "Würth Financial Services SA",
    },
    28: {"de": "Zürich", "fr": "Zurich", "it": "Zurigo"},
    29: {"de": "VBV", "fr": "AFA", "it": "AFA"},
    30: {"de": "Vaudoise", "fr": "Vaudoise", "it": "Vaudoise"},
    31: {
        "de": "Keine Firmenzugehörigkeit",
        "fr": "Pas d'appartenance à une entreprise",
        "it": "Nessuna affiliazione aziendale",
    },
}


def add_organisations(apps=None, schema_editor=None):
    if apps is None:
        # pylint: disable=import-outside-toplevel
        from vbv_lernwelt.core.models import Organisation
    else:
        Organisation = apps.get_model("core", "Organisation")

    for org_id, org_data in orgs.items():
        Organisation.objects.get_or_create(
            organisation_id=org_id,
            name_de=org_data["de"],
            name_fr=org_data["fr"],
            name_it=org_data["it"],
        )


def remove_organisations(apps=None, schema_editor=None):
    if apps is None:
        # pylint: disable=import-outside-toplevel
        from vbv_lernwelt.core.models import Organisation
    else:
        Organisation = apps.get_model("core", "Organisation")

    for org_id in orgs.keys():
        Organisation.objects.filter(
            organisation_id=org_id,
        ).delete()


def migrate_avatars(apps=None, schema_editor=None):
    # pylint: disable=import-outside-toplevel
    if apps is None:
        from vbv_lernwelt.core.models import User
        from vbv_lernwelt.media_files.models import UserImage
    else:
        User = apps.get_model("core", "User")
        UserImage = apps.get_model("media_files", "UserImage")

    # Models created by Django migration don't contain methods of the parent model.
    # We need to add them manually.
    from wagtail.images.models import AbstractImage

    UserImage.get_upload_to = AbstractImage.get_upload_to

    avatar_dir = settings.APPS_DIR / "static" / "avatars"

    for user in User.objects.all().exclude(
        avatar_url="/static/avatars/myvbv-default-avatar.png"
    ):
        if not user.avatar_url:
            continue

        avatar_file = user.avatar_url.split("/")[-1]

        try:
            with open(avatar_dir / avatar_file, "rb") as f:
                image = UserImage.objects.create(
                    file=File(f),
                )
                user.avatar = image
                user.save()
        except FileNotFoundError:
            pass