"""Router: Plan de Apoyo Individual por curso (course_individual_supports)."""

from fastapi import APIRouter, Depends, Query, 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, StoreCourseIndividualSupport, UpdateCourseIndividualSupport
from app.backend.classes.course_individual_support_class import CourseIndividualSupportClass
from sqlalchemy.orm import Session

course_individual_supports = APIRouter(
    prefix="/course_individual_supports",
    tags=["Course Individual Supports"],
)


@course_individual_supports.get("/by_course/{course_id}")
def get_by_course_id(
    course_id: int,
    include_deleted: bool = Query(False, description="True = incluir registros con deleted_date"),
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Lista apoyos individuales del curso (área, horario, fechas, student_ids por apoyo)."""
    try:
        result = CourseIndividualSupportClass(db).get_by_course_id(course_id=course_id, include_deleted=include_deleted)
        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_individual_supports.get("/{id}")
def get_by_id(
    id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Obtiene un apoyo individual por id (incluye student_ids)."""
    try:
        result = CourseIndividualSupportClass(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_individual_supports.post("/store")
def store(
    data: StoreCourseIndividualSupport,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Crea un apoyo individual (course_id, support_area_id, horario, fecha_inicio, fecha_termino, student_ids)."""
    try:
        payload = data.model_dump() if hasattr(data, "model_dump") else data.dict()
        result = CourseIndividualSupportClass(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", "Registro creado"), "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_individual_supports.put("/{id}")
def update(
    id: int,
    data: UpdateCourseIndividualSupport,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Actualiza un apoyo individual por id (opcional: support_area_id, horario, fecha_inicio, fecha_termino, student_ids)."""
    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 = CourseIndividualSupportClass(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", "Registro actualizado"), "data": {"id": result.get("id")}},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": None},
        )


@course_individual_supports.delete("/{id}")
def delete(
    id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Borrado lógico del apoyo individual (deleted_date)."""
    try:
        result = CourseIndividualSupportClass(db).delete(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": result.get("message", "Registro eliminado"), "data": None},
        )
    except Exception as e:
        return JSONResponse(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            content={"status": 500, "message": str(e), "data": None},
        )