from rest_framework import serializers

from django.urls import reverse

from misago.threads.models import PostLike


__all__ = ["PostLikeSerializer"]


class PostLikeSerializer(serializers.ModelSerializer):
    avatars = serializers.SerializerMethodField()
    liker_id = serializers.SerializerMethodField()
    username = serializers.SerializerMethodField()

    url = serializers.SerializerMethodField()

    class Meta:
        model = PostLike
        fields = ["id", "avatars", "liked_on", "liker_id", "username", "url"]

    def get_liker_id(self, obj):
        return obj["liker_id"]

    def get_username(self, obj):
        return obj["liker_name"]

    def get_avatars(self, obj):
        return obj.get("liker__avatars")

    def get_url(self, obj):
        if obj["liker_id"]:
            return reverse(
                "misago:user", kwargs={"slug": obj["liker_slug"], "pk": obj["liker_id"]}
            )
        else:
            return None