<?php

namespace App\Http\Controllers;

use App\Models\Customer;
use App\Support\ApiDataTransformer;
use Pest\ArchPresets\Custom;

class CustomerController extends Controller
{
    public function index()
    {
        $customers = Customer::with(['contacts' => function ($query) {
            $query->orderBy('is_primary', 'desc');
        }, 'paymentTerms'])->get();

        return $customers->map(function ($customer) {
            $customerArray = $customer->toArray();
            $customerArray['payment_terms'] = $customer->paymentTerms->toArray();
            unset($customerArray['payment_terms_id']);
            return ApiDataTransformer::snakeToCamel($customerArray);
        });
    }

    public function single($id)
    {
        $customer = Customer::with(['contacts' => function ($query) {
            $query->orderBy('is_primary', 'desc');
        }, 'paymentTerms'])->findOrFail($id);

        $customerArray = $customer->toArray();
        if ($customer->paymentTerms) {
            $customerArray['payment_terms'] = $customer->paymentTerms->toArray();
            unset($customerArray['payment_terms_id']);
        }
        return ApiDataTransformer::snakeToCamel($customerArray);
    }

    /**
     * Generate a random available customer number
     */
    public static function generateCustomerNumber()
    {
        $newNumber = null;
        while (!$newNumber) {
            // DATEV standard
            $randomNumber = rand(10000, 69999);
            $customer = Customer::firstWhere('customer_nr', $randomNumber);
            if ($customer) {
                return $randomNumber;
            }
        }
    }
}