"""
Sync serializers for KeepItGoing API.
"""

from rest_framework import serializers
from .models import SyncLog, SyncConflict


class SyncLogSerializer(serializers.ModelSerializer):
    """Serializer for sync logs."""

    class Meta:
        model = SyncLog
        fields = ['id', 'device_id', 'last_sync_at', 'sync_token', 'created_at']
        read_only_fields = ['id', 'created_at']


class SyncConflictSerializer(serializers.ModelSerializer):
    """Serializer for sync conflicts."""

    class Meta:
        model = SyncConflict
        fields = [
            'id', 'entity_type', 'entity_id', 'local_data', 'server_data',
            'status', 'resolved_at', 'created_at'
        ]
        read_only_fields = ['id', 'created_at']