"""
Customers Router
API endpoints for customer management
"""

from fastapi import APIRouter, HTTPException
from typing import List

from app.models.schemas import Customer, CustomerCreate
from app.core.database import execute_query

router = APIRouter()


@router.get("/customers", response_model=List[Customer])
async def list_customers():
    """List all customers"""
    query = "SELECT * FROM customers ORDER BY created_at DESC"
    customers = execute_query(query)
    return customers


@router.get("/customers/{customer_id}", response_model=Customer)
async def get_customer(customer_id: int):
    """Get a specific customer"""
    query = "SELECT * FROM customers WHERE id = %s"
    customers = execute_query(query, (customer_id,))
    
    if not customers:
        raise HTTPException(status_code=404, detail="Customer not found")
    
    return customers[0]


@router.post("/customers", response_model=Customer)
async def create_customer(customer: CustomerCreate):
    """Create a new customer"""
    query = """
        INSERT INTO customers (name, email, phone, address)
        VALUES (%s, %s, %s, %s)
        RETURNING *
    """
    result = execute_query(
        query,
        (customer.name, customer.email, customer.phone, customer.address)
    )
    return result[0]