from rest_framework import serializers

from apps.workflows.models import Workflow, WorkflowStep, WorkflowTransition, WorkflowVersion


class WorkflowStepSerializer(serializers.ModelSerializer):
    class Meta:
        model = WorkflowStep
        fields = "__all__"
        read_only_fields = ["id"]


class WorkflowTransitionSerializer(serializers.ModelSerializer):
    class Meta:
        model = WorkflowTransition
        fields = "__all__"
        read_only_fields = ["id"]


class WorkflowVersionSerializer(serializers.ModelSerializer):
    steps = WorkflowStepSerializer(many=True, read_only=True)
    transitions = WorkflowTransitionSerializer(many=True, read_only=True)

    class Meta:
        model = WorkflowVersion
        fields = "__all__"


class WorkflowSerializer(serializers.ModelSerializer):
    active_version = WorkflowVersionSerializer(read_only=True)

    class Meta:
        model = Workflow
        fields = "__all__"