from __future__ import annotations

from .shared import BaseModel, Field, Literal, Optional

class PMOProcessTextRequest(BaseModel):
    message_text: str = Field(..., min_length=1, max_length=4000)
    sender: Optional[str] = Field(default=None, max_length=120)
    source_message_id: Optional[str] = Field(default=None, max_length=128)
    project_id: Optional[int] = Field(default=None)

class PMOCadenceRunRequest(BaseModel):
    cadence_type: str = Field(..., min_length=1, max_length=32)
    project_id: Optional[int] = Field(default=None)

class PMOResumeWorkItemRequest(BaseModel):
    action: Literal["continue", "commit", "refresh", "cancel"] = Field(default="continue")
    project_id: Optional[int] = Field(default=None)
    source_message_id: Optional[str] = Field(default=None, max_length=128)

class PMOWorkItemDecisionRequest(BaseModel):
    action: Literal["approve", "reject"] = Field(..., description="审批动作：approve=继续执行，reject=标记失效")
    project_id: Optional[int] = Field(default=None)
    source_message_id: Optional[str] = Field(default=None, max_length=128)
    reason: Optional[str] = Field(default=None, max_length=500)


class PMODraftDecisionRequest(BaseModel):
    action: Literal["confirm", "revise", "cancel"] = Field(..., description="草稿动作：confirm/revise/cancel")
    revision_note: Optional[str] = Field(default=None, max_length=500)
    source_message_id: Optional[str] = Field(default=None, max_length=128)
    draft_version: Optional[int] = Field(default=None, ge=1)