from fastapi import APIRouter, HTTPException
from schemas.schemas import LaptopCreate, TVCreate, PredictPriceResponse
from services.service import LaptopService, TVService
import os

router = APIRouter()

LAPTOP_MODEL_PATH = "services/ml/laptopML/laptop_price_model.pkl"
LAPTOP_FEATURE_COLUMNS_PATH = "services/ml/laptopML/feature_columns.pkl"
LAPTOP_POLY_PATH = "services/ml/laptopML/poly_transformer.pkl"
LAPTOP_SCALER_PATH = "services/ml/laptopML/scaler.pkl"

laptop_service = LaptopService(
    model_path=LAPTOP_MODEL_PATH,
    feature_columns_path=LAPTOP_FEATURE_COLUMNS_PATH,
    poly_path=LAPTOP_POLY_PATH,
    scaler_path=LAPTOP_SCALER_PATH,
)

TV_MODEL_PATH = "services/ml/tvML/tv_price_model.pkl"
TV_FEATURE_COLUMNS_PATH = "services/ml/tvML/feature_columns.pkl"
TV_POLY_PATH = "services/ml/tvML/poly_transformer.pkl"
TV_SCALER_PATH = "services/ml/tvML/scaler.pkl"

tv_service = TVService(
    model_path=TV_MODEL_PATH,
    feature_columns_path=TV_FEATURE_COLUMNS_PATH,
    poly_path=TV_POLY_PATH,
    scaler_path=TV_SCALER_PATH,
)


@router.post("/predict_price/laptop/", response_model=PredictPriceResponse, summary="Predict laptop price", description="Predict the price of a laptop based on its specifications.", response_description="The predicted price of the laptop.")
def predict_price(data: LaptopCreate):
    """
    Predict the price of a laptop given its specifications.

    - **processor**: Type of processor (e.g., i5, i7)
    - **ram**: Amount of RAM in GB
    - **os**: Operating system (e.g., Windows, MacOS)
    - **ssd**: Size of SSD in GB
    - **display**: Size of the display in inches
    """
    try:
        return laptop_service.predict_price(data.dict())
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))

@router.post("/predict_price/tv/", response_model=PredictPriceResponse, summary="Predict TV price", description="Predict the price of a TV based on its specifications.", response_description="The predicted price of the TV.")
def predict_price(data: TVCreate):
    try:
        return tv_service.predict_price(data.dict())
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))


@router.get('/get_unique_data_laptop', summary="Get unique data for laptops species")
def get_unique_laptops():
    try:
        return laptop_service.get_unique_data()
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))

@router.get('/get_unique_data_tv', summary="Get unique data for tvs species")
def get_unique_tvs():
    try:
        return tv_service.get_unique_data()
    except Exception as e:
        raise HTTPException(status_code=400, detail=str(e))