from rest_framework import serializers

from adventrues.models import AdventureOffering
from equipment.models import EquipmentItem

from .models import ListingClick


class ListingClickSerializer(serializers.ModelSerializer):
    class Meta:
        model = ListingClick
        fields = (
            "id",
            "listing_type",
            "traffic_type",
            "utm_source",
            "utm_medium",
            "utm_campaign",
            "utm_term",
            "utm_content",
            "gclid",
            "fbclid",
            "equipment_item",
            "adventure_offering",
            "created_at",
        )
        read_only_fields = fields


class TrackListingClickSerializer(serializers.Serializer):
    listing_type = serializers.ChoiceField(choices=ListingClick.ListingType.choices)
    public_id = serializers.CharField(max_length=64)
    utm_source = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    utm_medium = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    utm_campaign = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    utm_term = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    utm_content = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    gclid = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    fbclid = serializers.CharField(required=False, allow_blank=True, default="", max_length=255)
    referrer = serializers.CharField(required=False, allow_blank=True, default="", max_length=2048)

    def validate(self, attrs):
        listing_type = attrs["listing_type"]
        public_id = attrs["public_id"]
        if listing_type == ListingClick.ListingType.EQUIPMENT:
            item = EquipmentItem.objects.filter(public_id=public_id, is_active=True).select_related("vendor").first()
            if not item:
                raise serializers.ValidationError({"public_id": "No active equipment listing with this public_id."})
            attrs["_equipment_item"] = item
        else:
            offering = AdventureOffering.objects.filter(public_id=public_id, is_active=True).select_related("vendor").first()
            if not offering:
                raise serializers.ValidationError({"public_id": "No active adventure offering with this public_id."})
            attrs["_adventure_offering"] = offering
        return attrs