"""Router: aspectos de ajuste y ajustes por curso (course_adjustments)."""

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, StoreCourseAdjustment, UpdateCourseAdjustment
from app.backend.classes.course_adjustment_class import CourseAdjustmentClass
from sqlalchemy.orm import Session

course_adjustments = APIRouter(
    prefix="/course_adjustments",
    tags=["Course Adjustments"],
)


# ---------------------------------------------------------------------------
# Catálogo de aspectos (adjustment_aspects)
# ---------------------------------------------------------------------------

@course_adjustments.get("/aspects")
def get_aspects(
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Lista aspectos de ajuste (materiales de acceso, tiempo, tarea, otro) para construir el formulario."""
    try:
        result = CourseAdjustmentClass(db).get_aspects()
        if result.get("status") == "error":
            return JSONResponse(
                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
                content={"status": 500, "message": result.get("message", "Error al listar"), "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": []},
        )


# ---------------------------------------------------------------------------
# Ajustes por curso (course_adjustments)
# ---------------------------------------------------------------------------

@course_adjustments.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),
):
    """Estructura completa para el curso: cada aspecto con value, other_aspect_text y student_ids."""
    try:
        result = CourseAdjustmentClass(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_adjustments.get("/{id}")
def get_by_id(
    id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Obtiene un ajuste por id (incluye student_ids)."""
    try:
        result = CourseAdjustmentClass(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_adjustments.post("/store")
def store(
    data: StoreCourseAdjustment,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Crea o actualiza un ajuste para (course_id, adjustment_aspect_id). Incluye other_aspect_text, value y student_ids."""
    try:
        payload = data.model_dump() if hasattr(data, "model_dump") else data.dict()
        result = CourseAdjustmentClass(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 guardado"), "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_adjustments.put("/{id}")
def update(
    id: int,
    data: UpdateCourseAdjustment,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Actualiza un ajuste por id (opcional: other_aspect_text, value, 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 = CourseAdjustmentClass(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_adjustments.delete("/{id}")
def delete(
    id: int,
    session_user: UserLogin = Depends(get_current_active_user),
    db: Session = Depends(get_db),
):
    """Borrado lógico del ajuste (deleted_date)."""
    try:
        result = CourseAdjustmentClass(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},
        )