<?php

namespace Modules\MMFRestrictedCustomers\Providers;

use Illuminate\Support\ServiceProvider;
use Illuminate\Database\Eloquent\Factory;
use Eventy;
use App\User;
use Modules\MMFRestrictedCustomers\Console\Commands\FetchEmails;

class MMFRestrictedCustomersServiceProvider extends ServiceProvider {
	/**
	 * Indicates if loading of the provider is deferred.
	 *
	 * @var bool
	 */
	protected $defer = false;

	/**
	 * Boot the application events.
	 *
	 * @return void
	 */
	public function boot() {
		$this->registerConfig();
		$this->registerViews();
		$this->registerFactories();
		$this->loadMigrationsFrom(__DIR__ . '/../Database/Migrations');
		$this->commands([
			FetchEmails::class,
		]);
		$this->hooks();
	}

	/**
	 * Module hooks.
	 */
	public function hooks() {
		// When searching for customers, restrict the list to the ones the current user is allowed to see.
		Eventy::addFilter('search.customers.apply_filters', function($query_customers) {
			$user = auth()->user();
			// Do not restrict the query if the current user is an admin.
			if ( $user->role != User::ROLE_ADMIN ) {
				// Get IDs of mailboxes the current user is allowed to access.
				$mailboxes = $user->mailboxesIdsCanView();
				// Restrict the query to the Customers the current user is allowed to access.
				$query_customers->whereIn('customers.mailbox_id', $mailbox_ids);
			}
			return $query_customers;
		});

		// When creating or updating a customer, ensure its mailbox id is set.
		Eventy::addAction(
			'customer.set_data',
			function($customer, $data, $replace_data) {
				if ( isset($data['mailbox']) ) {
					// TODO: Check that the current user is allowed to access this Mailbox.
					$data['mailbox_id'] = $data['mailbox'];
					unset($data['mailbox']);
				}
				// TODO: Throw an error if the Mailbox is not set.
				$customer->mailbox_id = $data['mailbox_id'];
			},
			$priority = 20,
			$arguments = 3
		);
	}

	/**
	 * Register the service provider.
	 *
	 * @return void
	 */
	public function register() {
		$this->registerTranslations();
	}

	/**
	 * Register config.
	 *
	 * @return void
	 */
	protected function registerConfig() {
		$this->publishes([
			__DIR__.'/../Config/config.php' => config_path('mmfrestrictedcustomers.php'),
		], 'config');
		$this->mergeConfigFrom(
			__DIR__.'/../Config/config.php', 'mmfrestrictedcustomers'
		);
	}

	/**
	 * Register views.
	 *
	 * @return void
	 */
	public function registerViews() {
		$viewPath = resource_path('views/modules/mmfrestrictedcustomers');

		$sourcePath = __DIR__.'/../Resources/views';

		$this->publishes([
			$sourcePath => $viewPath,
			// Override the application view for the Conversations search results.
			$sourcePath . '/conversations/search.blade.php' => resource_path('views') . '/conversations/search.blade.php',
		],'views');

		$this->loadViewsFrom(array_merge(array_map(function ($path) {
			return $path . '/modules/mmfrestrictedcustomers';
		}, \Config::get('view.paths')), [$sourcePath]), 'mmfrestrictedcustomers');
	}

	/**
	 * Register translations.
	 *
	 * @return void
	 */
	public function registerTranslations() {
		$this->loadJsonTranslationsFrom(__DIR__ .'/../Resources/lang');
	}

	/**
	 * Register an additional directory of factories.
	 * @source https://github.com/sebastiaanluca/laravel-resource-flow/blob/develop/src/Modules/ModuleServiceProvider.php#L66
	 */
	public function registerFactories() {
		if (! app()->environment('production')) {
			app(Factory::class)->load(__DIR__ . '/../Database/factories');
		}
	}

	/**
	 * Get the services provided by the provider.
	 *
	 * @return array
	 */
	public function provides() {
		return [];
	}
}