from rest_framework import serializers
from .models import Ticket, Message, Attachment
from django.utils.timezone import localtime
from account.serializers import ProfileSerializer



class MessageSerializer(serializers.ModelSerializer):
    class Meta:
        model = Message
        fields = '__all__'

class TicketSerializer(serializers.ModelSerializer):
    messages = MessageSerializer(many=True, read_only=True)
    admin = ProfileSerializer(read_only=True)
    class Meta:
        model = Ticket
        exclude = ('customer', )
        read_only_fields = ('status', 'admin', )


class TicketListSerializer(serializers.ModelSerializer):
    class Meta:
        model = Ticket
        exclude = ('customer', 'admin', 'order', 'content')
        read_only_fields = ('status',)


class AttachmentSerializer(serializers.ModelSerializer):
    file = serializers.FileField(write_only=True)
    link = serializers.SerializerMethodField()

    class Meta:
        model = Attachment
        fields = ['id', 'name', 'file','link' , 'created_at', 'size']
        read_only_fields = ('size', 'name', )
        
    def get_link(self, obj):
        request = self.context.get('request')
        if request is not None:
            return request.build_absolute_uri(obj.file.url)
        return obj.file.url