from rest_framework import serializers
from core.apps.evaluation.models import ValuationDocumentModel

class BaseValuationdocumentSerializer(serializers.ModelSerializer):
    document_type_display = serializers.CharField(source="get_document_type_display", read_only=True)
    uploaded_by_name = serializers.CharField(source="uploaded_by.get_full_name", read_only=True)

    class Meta:
        model = ValuationDocumentModel
        fields = [
            "id",
            "valuation",
            "document_type",
            "document_type_display",
            "title",
            "file",
            "uploaded_by",
            "uploaded_by_name",
            "created_at",
        ]

class ListValuationdocumentSerializer(BaseValuationdocumentSerializer):
    class Meta(BaseValuationdocumentSerializer.Meta):
        fields = [
            "id",
            "valuation",
            "document_type_display",
            "title",
            "file",
        ]

class RetrieveValuationdocumentSerializer(BaseValuationdocumentSerializer):
    class Meta(BaseValuationdocumentSerializer.Meta):
        fields = BaseValuationdocumentSerializer.Meta.fields + [
            "description",
            "updated_at",
        ]

class CreateValuationdocumentSerializer(BaseValuationdocumentSerializer):
    class Meta(BaseValuationdocumentSerializer.Meta):
        fields = [
            "valuation",
            "document_type",
            "title",
            "file",
            "description",
        ]