"""Router: Registro de acciones del profesor - Observaciones (1 por course_id, subject_id)."""

from fastapi import APIRouter, Depends, status
from fastapi.responses import JSONResponse
from app.backend.db.database import get_db
from app.backend.auth.auth_user import get_current_active_user
from app.backend.schemas import (
    UserLogin,
    StoreCourseTeacherRecordObservation,
    UpdateCourseTeacherRecordObservation,
)
from app.backend.classes.course_teacher_record_observation_class import CourseTeacherRecordObservationClass
from sqlalchemy.orm import Session

course_teacher_record_observations = APIRouter(
    prefix="/course_teacher_record_observations",
    tags=["Course Teacher Record Observations"],
)


@course_teacher_record_observations.get("/by_course/{course_id}")
def get_by_course_id(
    course_id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Lista observaciones del curso (una por asignatura)."""
    try:
        result = CourseTeacherRecordObservationClass(db).get_by_course_id(course_id=course_id)
        if result.get("status") == "error":
            return JSONResponse(
                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                content={"status": 500, "message": result.get("message", "Error"), "data": []},
            )
        return JSONResponse(
            status_code=status.HTTP_200_OK,
            content={"status": 200, "message": "OK", "data": result.get("data", [])},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": []},
        )


@course_teacher_record_observations.get("/by_course/{course_id}/subject/{subject_id}")
def get_by_course_subject(
    course_id: int,
    subject_id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Obtiene la observación para (course_id, subject_id)."""
    try:
        result = CourseTeacherRecordObservationClass(db).get_by_course_subject(course_id=course_id, subject_id=subject_id)
        if result.get("status") == "error":
            return JSONResponse(
                status_code=status.HTTP_404_NOT_FOUND,
                content={"status": 404, "message": result.get("message", "No encontrado"), "data": None},
            )
        return JSONResponse(
            status_code=status.HTTP_200_OK,
            content={"status": 200, "message": "OK", "data": result.get("data")},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": None},
        )


@course_teacher_record_observations.get("/{id}")
def get_by_id(
    id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Obtiene una observación por id."""
    try:
        result = CourseTeacherRecordObservationClass(db).get_by_id(id)
        if result.get("status") == "error":
            return JSONResponse(
                status_code=status.HTTP_404_NOT_FOUND,
                content={"status": 404, "message": result.get("message", "Registro no encontrado"), "data": None},
            )
        return JSONResponse(
            status_code=status.HTTP_200_OK,
            content={"status": 200, "message": "OK", "data": result.get("data")},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": None},
        )


@course_teacher_record_observations.post("/store")
def store(
    data: StoreCourseTeacherRecordObservation,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Crea o actualiza observación por (course_id, subject_id). Una sola fila por (curso, asignatura)."""
    try:
        payload = data.model_dump() if hasattr(data, "model_dump") else data.dict()
        result = CourseTeacherRecordObservationClass(db).store(payload)
        if result.get("status") == "error":
            return JSONResponse(
                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                content={"status": 500, "message": result.get("message", "Error al guardar"), "data": None},
            )
        data_out = result.get("data") if result.get("data") is not None else {"id": result.get("id")}
        return JSONResponse(
            status_code=status.HTTP_201_CREATED,
            content={"status": 201, "message": result.get("message", "OK"), "data": data_out},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": None},
        )


@course_teacher_record_observations.put("/{id}")
def update(
    id: int,
    data: UpdateCourseTeacherRecordObservation,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Actualiza observación por id (solo observations)."""
    try:
        payload = data.model_dump(exclude_unset=True) if hasattr(data, "model_dump") else {k: v for k, v in data.dict().items() if v is not None}
        result = CourseTeacherRecordObservationClass(db).update(id, payload)
        if result.get("status") == "error":
            return JSONResponse(
                status_code=status.HTTP_404_NOT_FOUND,
                content={"status": 404, "message": result.get("message", "Registro no encontrado"), "data": None},
            )
        return JSONResponse(
            status_code=status.HTTP_200_OK,
            content={"status": 200, "message": result.get("message", "OK"), "data": result.get("data")},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": None},
        )