"""Pydantic schemas - 工作流"""
from typing import Any, Dict, List, Optional

from pydantic import BaseModel, Field


class ProcessDefCreate(BaseModel):
    processCode: str = Field(..., description="流程编码")
    processName: str = Field(..., description="流程名称")
    status: Optional[str] = Field("1", description="1启用 0停用")
    orderNum: Optional[int] = Field(None, description="排序号")
    remark: Optional[str] = Field(None, description="备注")


class ProcessDefUpdate(BaseModel):
    processCode: Optional[str] = Field(None, description="流程编码")
    processName: Optional[str] = Field(None, description="流程名称")
    status: Optional[str] = Field(None, description="1启用 0停用")
    orderNum: Optional[int] = Field(None, description="排序号")
    remark: Optional[str] = Field(None, description="备注")


class ProcessDefResponse(BaseModel):
    id: str
    processCode: str
    processName: str
    status: str
    latestVersion: Optional[int] = None
    tenantNo: Optional[str] = None
    orderNum: Optional[int] = None
    remark: Optional[str] = None
    createTime: Optional[str] = None
    updateTime: Optional[str] = None

    class Config:
        from_attributes = True


class NodeData(BaseModel):
    nodeKey: str = Field(..., description="节点唯一键")
    nodeType: str = Field(..., description="start/end/approval/condition 等")
    nodeName: Optional[str] = Field(None, description="节点名称")
    configJson: Optional[str] = Field(None, description="审批人/SQL/会签策略等配置")


class TransitionData(BaseModel):
    fromNodeKey: str = Field(..., description="起始节点key")
    toNodeKey: str = Field(..., description="目标节点key")
    conditionExpr: Optional[str] = Field(None, description="条件表达式或分支说明")


class PublishVersionRequest(BaseModel):
    graphJson: str = Field(..., description="节点与连线等配置JSON")
    nodes: List[NodeData] = Field(..., description="节点列表")
    transitions: List[TransitionData] = Field(default_factory=list, description="连线列表")
    remark: Optional[str] = Field(None, description="备注")


class VersionResponse(BaseModel):
    id: str
    versionNo: int
    isLatest: Optional[str] = None
    remark: Optional[str] = None
    createTime: Optional[str] = None
    updateTime: Optional[str] = None

    class Config:
        from_attributes = True


class StartInstanceRequest(BaseModel):
    processCode: str = Field(..., description="流程编码")
    businessType: Optional[str] = Field(None, description="业务类型")
    businessId: Optional[str] = Field(None, description="业务主键")
    variables: Optional[Dict[str, Any]] = Field(default_factory=dict, description="流程变量")
    callbackUrl: Optional[str] = Field(None, description="业务回调地址")


class ApproveRequest(BaseModel):
    commentText: Optional[str] = Field(None, description="审批意见")


class TaskResponse(BaseModel):
    id: str
    instanceId: str
    nodeKey: Optional[str] = None
    assigneeUserId: Optional[str] = None
    status: Optional[str] = None
    commentText: Optional[str] = None
    createTime: Optional[str] = None
    updateTime: Optional[str] = None
    processName: Optional[str] = None
    businessType: Optional[str] = None
    businessId: Optional[str] = None
    starterUserId: Optional[str] = None
    instanceStatus: Optional[str] = None
    instanceCreateTime: Optional[str] = None

    class Config:
        from_attributes = True


class InstanceResponse(BaseModel):
    id: str
    processVersionId: str
    businessType: Optional[str] = None
    businessId: Optional[str] = None
    starterUserId: Optional[str] = None
    status: Optional[str] = None
    createTime: Optional[str] = None
    updateTime: Optional[str] = None
    tasks: List[Dict[str, Any]] = Field(default_factory=list)

    class Config:
        from_attributes = True