import uuid
from datetime import datetime

from pydantic import BaseModel, ConfigDict


class WorkflowNodeRead(BaseModel):
    id: uuid.UUID
    node_order: int
    role: str
    name: str | None = None
    is_required: bool
    created_at: datetime

    model_config = ConfigDict(from_attributes=True)


class WorkflowTemplateRead(BaseModel):
    id: uuid.UUID
    trial_id: uuid.UUID | None = None
    name: str
    description: str | None = None
    is_active: bool
    created_by: uuid.UUID | None = None
    created_at: datetime
    updated_at: datetime
    nodes: list[WorkflowNodeRead] = []

    model_config = ConfigDict(from_attributes=True)