"""Personnel recommendation endpoint."""

from __future__ import annotations

from typing import Optional

from fastapi import APIRouter, Depends, Query
from sqlalchemy.ext.asyncio import AsyncSession

from ....core.database import get_db
from ....dependencies import get_current_user, get_tenant_id
from ....models import User
from ....schemas.skill import (
    PersonnelRecommendationItem,
    PersonnelRecommendationResponse,
)
from ....services import skill as skill_service

router = APIRouter()


@router.get("/recommend", response_model=PersonnelRecommendationResponse)
async def recommend_personnel(
    skills: str = Query(..., description="所需技能，逗号分隔，如: python,react,fastapi"),
    task_description: Optional[str] = Query(None),
    task_id: Optional[str] = Query(None),
    limit: int = Query(5, ge=1, le=20),
    tenant_id: int = Depends(get_tenant_id),
    current_user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
):
    _ = current_user
    required_skills = [skill.strip() for skill in skills.split(",") if skill.strip()]
    result = await skill_service.recommend_personnel(
        db,
        tenant_id=tenant_id,
        required_skills=required_skills,
        task_description=task_description,
        task_id=task_id,
        limit=limit,
    )
    return PersonnelRecommendationResponse(
        task_id=result.get("task_id"),
        task_description=result.get("task_description"),
        required_skills=result.get("required_skills", []),
        recommendations=[
            PersonnelRecommendationItem(**item)
            for item in result.get("recommendations", [])
        ],
        total_count=result.get("total_count", 0),
    )