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import logging
import time
from concurrent.futures import ThreadPoolExecutor

from fastapi import APIRouter, Query, Request

from mappingservice.constants import DEFAULT_LABEL, DEFAULT_SCORE
from mappingservice.dependencies import (
    mc,
)
from mappingservice.models import (
    AllPredictionsResponse,
    PredictionResponse,
    Predictions,
    RoomData,
)
from mappingservice.ms.ml_models.bed_type import BedType as BedTypeModel
from mappingservice.ms.ml_models.environment import Environment
from mappingservice.ms.ml_models.room_category import RoomCategory
from mappingservice.ms.ml_models.room_features import RoomFeatures
from mappingservice.ms.ml_models.room_type import RoomType
from mappingservice.ms.ml_models.room_view import RoomView
from mappingservice.utils import (
    get_bed_predictions,
    process_predictions,
    safe_round,
)

logging.basicConfig(
    level=logging.DEBUG, format="%(asctime)s - %(levelname)s - %(message)s"
)
logger = logging.getLogger(__name__)

router = APIRouter(
    prefix="/predict/room", tags=["room"], responses={404: {"description": "Not found"}}
)


def get_room_type_prediction(room_description: str, language: str = "en"):
    pipeline = mc['room_type'][language]
    model = BedTypeModel()
    return {"msg": model.predict(room_description, pipeline, language)}


def get_view_prediction(room_description: str, language: str = "en"):
    pipeline = mc['room_view'][language]
    model = RoomView()
    return {"view_prediction": model.predict(room_description, pipeline, language)}


def get_room_category_prediction(room_description: str, language: str = "en"):
    pipeline = mc['room_category'][language]
    model = RoomCategory()
    return {"msg": model.predict(room_description, pipeline, language)}


def get_feature_prediction(room_description: str, language: str = "en"):
    pipeline = mc['room_features'][language]
    model = RoomFeatures()
    return {"feature_prediction": model.predict(room_description, pipeline, language)}


def get_room_environment_prediction(room_description: str, language: str = "en"):
    pipeline = mc['environment'][language]
    model = Environment()
    return {"msg": model.predict(room_description, pipeline, language)}


@router.post("/predict/beds")
async def predict_beds(request: Request, room_description: str = Query(...)):  # noqa: E501
    language = request.state.predicted_language
    pipeline = mc['bed_type'][language]
    model = BedTypeModel()
    prediction = model.predict(room_description, pipeline, language)

    return prediction


@router.get("/type")
async def predict_room_type_endpoint(request: Request, room_description: str = Query(...)):  # noqa: E501
    language = request.state.predicted_language
    pipeline = mc['room_type'][language]
    model = RoomType()
    prediction = model.predict(room_description, pipeline, language)

    return prediction


@router.get("/category")
async def predict_room_category_endpoint(request: Request, room_description: str = Query(...)):  # noqa: E501
    prediction = mc['room_category']['en'].predict(room_description)
    return prediction


@router.get("/environment")
async def predict_room_environment_endpoint(request: Request, room_description: str = Query(...)):  # noqa: E501
    prediction = mc['environment']['en'].predict(room_description)
    return prediction


@router.get("/view")
async def predict_view_endpoint(request: Request, room_description: str = Query(...)):  # noqa: E501
    prediction = mc['room_view']['en'].predict(room_description)
    return prediction


@router.get("/feature")
async def predict_feature_endpoint(request: Request, room_description: str = Query(...)):  # noqa: E501
    prediction = mc['room_features']['en'].predict(room_description)
    return prediction


@router.post("/predict/all", response_model=AllPredictionsResponse)
async def predict_all(request: Request, room_data: RoomData):
    start_time = time.time()
    room_data = RoomData(**await request.json())
    language = request.state.predicted_language

    with ThreadPoolExecutor() as executor:
        type_future = executor.submit(
            get_room_type_prediction, room_data.room_description, language
        )
        category_future = executor.submit(
            get_room_category_prediction, room_data.room_description, language
        )
        environment_future = executor.submit(
            get_room_environment_prediction, room_data.room_description, language
        )
        feature_future = executor.submit(
            get_feature_prediction, room_data.room_description, language
        )
        view_future = executor.submit(
            get_view_prediction, room_data.room_description, language
        )

    type_pred = type_future.result()["msg"]
    category_pred = category_future.result()["msg"]
    environment_pred_results = environment_future.result()["msg"]
    feature_pred_results = feature_future.result()["feature_prediction"]
    view_pred_results = view_future.result()["view_prediction"]

    bed_predictions = room_data.beds

    if not room_data.beds:
        logger.debug("No bed data provided or valid; extracting from description.")
        extracted_beds = get_bed_predictions(room_data.room_description)
        if extracted_beds:
            bed_predictions.extend(extracted_beds)

    if not isinstance(bed_predictions, list):
        bed_predictions = [bed_predictions]

    end_time = time.time()
    total_time = end_time - start_time
    logger.info(f"Total processing time: {total_time:.3f} seconds")

    formatted_predictions = {
        "type": {
            "label": type_pred.get("label", DEFAULT_LABEL),
            "score": safe_round(type_pred.get("score", DEFAULT_SCORE), 3),
        },
        "category": {
            "label": category_pred.get("label", DEFAULT_LABEL),
            "score": safe_round(category_pred.get("score", DEFAULT_SCORE), 3),
        },
    }

    env_preds = process_predictions(environment_pred_results)
    feat_preds = process_predictions(
        feature_pred_results.get("features", []), label_key="word"
    )
    view_preds = process_predictions(
        view_pred_results.get("views", []), label_key="word"
    )

    predictions = Predictions(
        type=PredictionResponse(**formatted_predictions["type"]),
        category=PredictionResponse(**formatted_predictions["category"]),
        environment=[PredictionResponse(**pred) for pred in env_preds] if env_preds else [],  # noqa: E501
        feature=[PredictionResponse(**pred) for pred in feat_preds] if feat_preds else [],  # noqa: E501
        view=[PredictionResponse(**pred) for pred in view_preds] if view_preds else [],
        language_detected=language,
        beds=bed_predictions,
    )

    return AllPredictionsResponse(predictions=predictions)