from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session

from app.core.response import ApiResponse, ok
from app.core.user_context import UserContext, get_user_context
from app.db.session import get_db
from app.schemas.teaching import CreateTeachingEvaluationRequest, TeachingEvaluationResponse, TeachingItemsResponse
from app.services.teaching_service import TeachingService

router = APIRouter()


@router.get("/cases/{case_id}/items", response_model=ApiResponse[TeachingItemsResponse])
def get_teaching_items(
    case_id: int,
    ctx: UserContext = Depends(get_user_context),
    db: Session = Depends(get_db),
):
    """教学列表：返回病例、题目、选项、答案、解析文本和教学视频。"""
    return ok(TeachingService(db).list_items(ctx, case_id))


@router.post("/evaluation", response_model=ApiResponse[TeachingEvaluationResponse])
async def create_teaching_evaluation(
    payload: CreateTeachingEvaluationRequest,
    ctx: UserContext = Depends(get_user_context),
    db: Session = Depends(get_db),
):
    """教学评价：根据教学互动作答生成 AI 评价并写入训练记录。"""
    result = await TeachingService(db).create_evaluation(ctx, payload)
    db.commit()
    return ok(result)