""" database schema for info about authors """
import re
from typing import Tuple, Any

from django.contrib.postgres.indexes import GinIndex
from django.db import models

from bookwyrm import activitypub
from bookwyrm.settings import DOMAIN

from .book import BookDataModel
from . import fields


class Author(BookDataModel):
    """basic biographic info"""

    wikipedia_link = fields.CharField(
        max_length=255, blank=True, null=True, deduplication_field=True
    )
    isni = fields.CharField(
        max_length=255, blank=True, null=True, deduplication_field=True
    )
    gutenberg_id = fields.CharField(
        max_length=255, blank=True, null=True, deduplication_field=True
    )
    isfdb = fields.CharField(
        max_length=255, blank=True, null=True, deduplication_field=True
    )

    website = fields.CharField(
        max_length=255, blank=True, null=True, deduplication_field=True
    )
    # idk probably other keys would be useful here?
    born = fields.DateTimeField(blank=True, null=True)
    died = fields.DateTimeField(blank=True, null=True)
    name = fields.CharField(max_length=255)
    aliases = fields.ArrayField(
        models.CharField(max_length=255), blank=True, default=list
    )
    bio = fields.HtmlField(null=True, blank=True)

    def save(self, *args: Tuple[Any, ...], **kwargs: dict[str, Any]) -> None:
        """normalize isni format"""
        if self.isni:
            self.isni = re.sub(r"\s", "", self.isni)

        return super().save(*args, **kwargs)

    @property
    def isni_link(self):
        """generate the url from the isni id"""
        clean_isni = re.sub(r"\s", "", self.isni)
        return f"https://isni.org/isni/{clean_isni}"

    @property
    def openlibrary_link(self):
        """generate the url from the openlibrary id"""
        return f"https://openlibrary.org/authors/{self.openlibrary_key}"

    @property
    def isfdb_link(self):
        """generate the url from the isni id"""
        return f"https://www.isfdb.org/cgi-bin/ea.cgi?{self.isfdb}"

    def get_remote_id(self):
        """editions and works both use "book" instead of model_name"""
        return f"https://{DOMAIN}/author/{self.id}"

    activity_serializer = activitypub.Author

    class Meta:
        """sets up postgres GIN index field"""

        indexes = (GinIndex(fields=["search_vector"]),)