from typing import Optional, List

from pydantic import BaseModel, ConfigDict
from pydantic.alias_generators import to_camel


class WorkflowNodeCreate(BaseModel):
    model_config = ConfigDict(populate_by_name=True, alias_generator=to_camel)

    node_name: str
    node_order: int
    approver_id: Optional[int] = None
    approver_name: Optional[str] = None


class WorkflowNodeUpdate(BaseModel):
    model_config = ConfigDict(populate_by_name=True, alias_generator=to_camel)

    node_name: Optional[str] = None
    node_order: Optional[int] = None
    approver_id: Optional[int] = None


class WorkflowNodeOut(BaseModel):
    model_config = ConfigDict(from_attributes=True, populate_by_name=True, alias_generator=to_camel)

    id: int
    node_name: str
    node_order: int
    approver_id: Optional[int] = None
    approver_name: Optional[str] = None


class WorkflowDefCreate(BaseModel):
    model_config = ConfigDict(populate_by_name=True, alias_generator=to_camel)

    biz_type: str
    wf_name: str
    status: int = 1
    nodes: Optional[List[WorkflowNodeCreate]] = None


class WorkflowDefUpdate(BaseModel):
    model_config = ConfigDict(populate_by_name=True, alias_generator=to_camel)

    biz_type: Optional[str] = None
    wf_name: Optional[str] = None
    status: Optional[int] = None
    nodes: Optional[List[WorkflowNodeCreate]] = None


class WorkflowDefOut(BaseModel):
    model_config = ConfigDict(from_attributes=True, populate_by_name=True, alias_generator=to_camel)

    id: int
    biz_type: str
    wf_name: str
    status: int
    nodes: List[WorkflowNodeOut] = []