<?php
declare(strict_types=1);

namespace App\Controller\Api;

use Cake\Http\Response;

/**
 * Customers CRUD - available to every authenticated user.
 *
 * @property \App\Model\Table\CustomersTable $Customers
 */
class CustomersController extends ApiController
{
    /**
     * GET /api/customers
     *
     * Query: page, limit, sort, direction, q (name/email/phone/company/city/tax id),
     * type, city, country, with_cars (1 = embed cars)
     *
     * @return \Cake\Http\Response
     */
    public function index(): Response
    {
        $query = $this->Customers->find();

        $q = trim((string)$this->request->getQuery('q', ''));
        if ($q !== '') {
            $like = '%' . $q . '%';
            $query->where(['OR' => [
                'Customers.first_name LIKE' => $like,
                'Customers.last_name LIKE' => $like,
                'Customers.email LIKE' => $like,
                'Customers.phone LIKE' => $like,
                'Customers.company_name LIKE' => $like,
                'Customers.city LIKE' => $like,
                'Customers.tax_id LIKE' => $like,
            ]]);
        }
        foreach (['type', 'city', 'country'] as $field) {
            $value = $this->request->getQuery($field);
            if ($value !== null && $value !== '') {
                $query->where(["Customers.{$field}" => $value]);
            }
        }
        if (filter_var($this->request->getQuery('with_cars'), FILTER_VALIDATE_BOOLEAN)) {
            $query->contain(['Cars']);
        }

        $result = $this->paginate($query, $this->paginationSettings(
            ['id', 'type', 'first_name', 'last_name', 'email', 'company_name', 'city', 'country', 'created', 'modified'],
            ['Customers.id' => 'asc'],
        ));

        return $this->respondPaginated($result);
    }

    /**
     * GET /api/customers/{id} - customer with cars.
     *
     * @param string $id Customer id
     * @return \Cake\Http\Response
     */
    public function view(string $id): Response
    {
        return $this->respond($this->Customers->get($id, contain: ['Cars']));
    }

    /**
     * POST /api/customers
     *
     * @return \Cake\Http\Response
     */
    public function add(): Response
    {
        $this->request->allowMethod(['post']);
        $customer = $this->Customers->newEntity((array)$this->request->getData());
        $customer->created_by = $this->currentUser()->id;
        if (!$this->Customers->save($customer)) {
            return $this->respondValidationError($customer);
        }

        return $this->respond($customer, 201)
            ->withLocation('/api/customers/' . $customer->id);
    }

    /**
     * PUT|PATCH /api/customers/{id}
     *
     * @param string $id Customer id
     * @return \Cake\Http\Response
     */
    public function edit(string $id): Response
    {
        $this->request->allowMethod(['put', 'patch']);
        $customer = $this->Customers->get($id);
        $customer = $this->Customers->patchEntity($customer, (array)$this->request->getData());
        if (!$this->Customers->save($customer)) {
            return $this->respondValidationError($customer);
        }

        return $this->respond($customer);
    }

    /**
     * DELETE /api/customers/{id} - also deletes the customer's cars.
     *
     * @param string $id Customer id
     * @return \Cake\Http\Response
     */
    public function delete(string $id): Response
    {
        $this->request->allowMethod(['delete']);
        $this->Customers->deleteOrFail($this->Customers->get($id));

        return $this->respond(null, 204);
    }
}