"""工具审批 REST API — 前端提交审批决定"""

from __future__ import annotations

import logging

from fastapi import APIRouter, HTTPException
from pydantic import BaseModel, Field

from app.services.approval_manager import approval_manager

logger = logging.getLogger(__name__)

router = APIRouter(prefix="/api/v1/approval", tags=["approval"])


class ApprovalDecisionRequest(BaseModel):
    decision: str = Field(..., description="审批决定: approved | denied | skip")


@router.post("/{approval_id}/resolve")
async def resolve_approval(approval_id: str, req: ApprovalDecisionRequest):
    """提交工具审批决定。

    - **approved**: 批准执行
    - **denied**: 拒绝执行（Agent 会收到拒绝提示）
    - **skip**: 跳过该工具（Agent 会跳过继续）
    """
    ok = approval_manager.resolve(approval_id, req.decision)
    if not ok:
        raise HTTPException(status_code=404, detail=f"审批请求不存在或已完成: {approval_id}")
    return {"success": True, "approval_id": approval_id, "decision": req.decision}


@router.get("/{approval_id}")
async def get_approval(approval_id: str):
    """查询待审批请求详情（用于前端展示工具名和参数）。"""
    req = approval_manager.get_pending(approval_id)
    if not req:
        raise HTTPException(status_code=404, detail=f"审批请求不存在或已完成: {approval_id}")
    return {
        "approval_id": req.approval_id,
        "tool_name": req.tool_name,
        "args": req.args,
        "decision": req.decision,
    }