<?php defined('BASEPATH') or exit('No direct script access allowed');

/* ----------------------------------------------------------------------------
 * Easy!Appointments - Online Appointment Scheduler
 *
 * @package     EasyAppointments
 * @author      A.Tselegidis <alextselegidis@gmail.com>
 * @copyright   Copyright (c) Alex Tselegidis
 * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
 * @link        https://easyappointments.org
 * @since       v1.5.0
 * ---------------------------------------------------------------------------- */

/**
 * Providers API v1 controller.
 *
 * @package Controllers
 */
class Providers_api_v1 extends EA_Controller
{
    /**
     * Providers_api_v1 constructor.
     */
    public function __construct()
    {
        parent::__construct();

        $this->load->library('api');
        $this->load->library('webhooks_client');

        $this->api->auth();

        $this->api->model('providers_model');
    }

    /**
     * Get a provider collection.
     */
    public function index(): void
    {
        try {
            $keyword = $this->api->request_keyword();

            $limit = $this->api->request_limit();

            $offset = $this->api->request_offset();

            $order_by = $this->api->request_order_by();

            $fields = $this->api->request_fields();

            $with = $this->api->request_with();

            $providers = empty($keyword)
                ? $this->providers_model->get(null, $limit, $offset, $order_by)
                : $this->providers_model->search($keyword, $limit, $offset, $order_by);

            foreach ($providers as &$provider) {
                $this->providers_model->api_encode($provider);

                if (!empty($fields)) {
                    $this->providers_model->only($provider, $fields);
                }

                if (!empty($with)) {
                    $this->providers_model->load($provider, $with);
                }
            }

            json_response($providers);
        } catch (Throwable $e) {
            json_exception($e);
        }
    }

    /**
     * Get a single provider.
     *
     * @param int|null $id Provider ID.
     */
    public function show(?int $id = null): void
    {
        try {
            $occurrences = $this->providers_model->get(['id' => $id]);

            if (empty($occurrences)) {
                response('', 404);

                return;
            }

            $fields = $this->api->request_fields();

            $with = $this->api->request_with();

            $provider = $this->providers_model->find($id);

            $this->providers_model->api_encode($provider);

            if (!empty($fields)) {
                $this->providers_model->only($provider, $fields);
            }

            if (!empty($with)) {
                $this->providers_model->load($provider, $with);
            }

            json_response($provider);
        } catch (Throwable $e) {
            json_exception($e);
        }
    }

    /**
     * Store a new provider.
     */
    public function store(): void
    {
        try {
            $provider = request();

            $this->providers_model->api_decode($provider);

            if (array_key_exists('id', $provider)) {
                unset($provider['id']);
            }

            if (!array_key_exists('services', $provider)) {
                throw new InvalidArgumentException('No services property provided.');
            }

            if (!array_key_exists('settings', $provider)) {
                throw new InvalidArgumentException('No settings property provided.');
            }

            if (!array_key_exists('working_plan', $provider['settings'])) {
                $provider['settings']['working_plan'] = setting('company_working_plan');
            }

            if (!array_key_exists('working_plan_exceptions', $provider['settings'])) {
                $provider['settings']['working_plan_exceptions'] = '{}';
            }

            $provider_id = $this->providers_model->save($provider);

            $created_provider = $this->providers_model->find($provider_id);

            $this->webhooks_client->trigger(WEBHOOK_PROVIDER_SAVE, $created_provider);

            $this->providers_model->api_encode($created_provider);

            json_response($created_provider, 201);
        } catch (Throwable $e) {
            json_exception($e);
        }
    }

    /**
     * Update a provider.
     *
     * @param int $id Provider ID.
     */
    public function update(int $id): void
    {
        try {
            $occurrences = $this->providers_model->get(['id' => $id]);

            if (empty($occurrences)) {
                response('', 404);

                return;
            }

            $original_provider = $occurrences[0];

            $provider = request();

            $this->providers_model->api_decode($provider, $original_provider);

            $provider_id = $this->providers_model->save($provider);

            $updated_provider = $this->providers_model->find($provider_id);

            $this->webhooks_client->trigger(WEBHOOK_PROVIDER_SAVE, $updated_provider);

            $this->providers_model->api_encode($updated_provider);

            json_response($updated_provider);
        } catch (Throwable $e) {
            json_exception($e);
        }
    }

    /**
     * Delete a provider.
     *
     * @param int $id Provider ID.
     */
    public function destroy(int $id): void
    {
        try {
            $occurrences = $this->providers_model->get(['id' => $id]);

            if (empty($occurrences)) {
                response('', 404);

                return;
            }

            $deleted_provider = $occurrences[0];

            $this->providers_model->delete($id);

            $this->webhooks_client->trigger(WEBHOOK_PROVIDER_DELETE, $deleted_provider);

            response('', 204);
        } catch (Throwable $e) {
            json_exception($e);
        }
    }
}
