from fastapi import APIRouter, Depends, HTTPException, status, Query
from sqlalchemy.orm import Session
from typing import List
from app.db.session import get_db
from app.services.customer_service import CustomerService
from app.schemas.customer import Customer, CustomerCreate, CustomerUpdate
from app.core.deps import get_current_user
from app.models.user import User

router = APIRouter()


@router.get("/", response_model=List[Customer])
def get_customers(
    skip: int = Query(0, ge=0),
    limit: int = Query(100, ge=1, le=100),
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    customer_service = CustomerService(db)
    return customer_service.get_customers(current_user.id, skip, limit)


@router.post("/", response_model=Customer, status_code=status.HTTP_201_CREATED)
def create_customer(
    customer_data: CustomerCreate,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    customer_service = CustomerService(db)
    return customer_service.create_customer(customer_data, current_user.id)


@router.get("/{customer_id}", response_model=Customer)
def get_customer(
    customer_id: int,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    customer_service = CustomerService(db)
    customer = customer_service.get_customer(customer_id, current_user.id)

    if not customer:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND, detail="Customer not found"
        )

    return customer


@router.put("/{customer_id}", response_model=Customer)
def update_customer(
    customer_id: int,
    customer_data: CustomerUpdate,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    customer_service = CustomerService(db)
    customer = customer_service.update_customer(
        customer_id, customer_data, current_user.id
    )

    if not customer:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND, detail="Customer not found"
        )

    return customer


@router.delete("/{customer_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_customer(
    customer_id: int,
    current_user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
):
    customer_service = CustomerService(db)
    success = customer_service.delete_customer(customer_id, current_user.id)

    if not success:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND, detail="Customer not found"
        )