<?php namespace Clockwork\Support\Laravel;

use Clockwork\Clockwork;
use Clockwork\Authentication\AuthenticatorInterface;
use Clockwork\DataSource\EloquentDataSource;
use Clockwork\DataSource\LaravelCacheDataSource;
use Clockwork\DataSource\LaravelDataSource;
use Clockwork\DataSource\LaravelEventsDataSource;
use Clockwork\DataSource\LaravelNotificationsDataSource;
use Clockwork\DataSource\LaravelQueueDataSource;
use Clockwork\DataSource\LaravelRedisDataSource;
use Clockwork\DataSource\LaravelTwigDataSource;
use Clockwork\DataSource\LaravelViewsDataSource;
use Clockwork\DataSource\SwiftDataSource;
use Clockwork\DataSource\TwigDataSource;
use Clockwork\DataSource\XdebugDataSource;
use Clockwork\Helpers\StackFilter;
use Clockwork\Request\Request;
use Clockwork\Storage\StorageInterface;

use Illuminate\Support\ServiceProvider;

class ClockworkServiceProvider extends ServiceProvider
{
	public function boot()
	{
		if ($this->app['clockwork.support']->isCollectingData()) {
			$this->registerEventListeners();
			$this->registerMiddleware();
		}

		$this->app['clockwork.support']->handleOctaneEvents();

		// If Clockwork is disabled, return before registering middleware or routes
		if (! $this->app['clockwork.support']->isEnabled()) return;

		$this->registerRoutes();

		// register the Clockwork Web UI routes
		if ($this->app['clockwork.support']->isWebEnabled()) {
			$this->registerWebRoutes();
		}
	}

	public function register()
	{
		$this->registerConfiguration();
		$this->registerClockwork();
		$this->registerCommands();
		$this->registerDataSources();
		$this->registerAliases();

		$this->app->make('clockwork.request'); // instantiate the request to have id and time available as early as possible

		$this->app['clockwork.support']
			->configureSerializer()
			->configureShouldCollect()
			->configureShouldRecord();

		if ($this->app['clockwork.support']->getConfig('register_helpers', true)) {
			require __DIR__ . '/helpers.php';
		}
	}

	// Register the configuration file
	protected function registerConfiguration()
	{
		$this->publishes([ __DIR__ . '/config/clockwork.php' => config_path('clockwork.php') ]);
		$this->mergeConfigFrom(__DIR__ . '/config/clockwork.php', 'clockwork');
	}

	// Register core Clockwork components
	protected function registerClockwork()
	{
		$this->app->singleton('clockwork', function ($app) {
			return (new Clockwork)
				->authenticator($app['clockwork.authenticator'])
				->request($app['clockwork.request'])
				->storage($app['clockwork.storage']);
		});

		$this->app->singleton('clockwork.authenticator', function ($app) {
			return $app['clockwork.support']->makeAuthenticator();
		});

		$this->app->singleton('clockwork.request', function ($app) {
			return new Request;
		});

		$this->app->singleton('clockwork.storage', function ($app) {
			return $app['clockwork.support']->makeStorage();
		});

		$this->app->singleton('clockwork.support', function ($app) {
			return new ClockworkSupport($app);
		});
	}

	// Register the artisan commands
	protected function registerCommands()
	{
		$this->commands([
			ClockworkCleanCommand::class
		]);
	}

	// Register Clockwork data sources
	protected function registerDataSources()
	{
		$this->app->singleton('clockwork.cache', function ($app) {
			return (new LaravelCacheDataSource(
				$app['events'],
				$app['clockwork.support']->getConfig('features.cache.collect_queries'),
				$app['clockwork.support']->getConfig('features.cache.collect_values')
			));
		});

		$this->app->singleton('clockwork.eloquent', function ($app) {
			$dataSource = (new EloquentDataSource(
				$app['db'],
				$app['events'],
				$app['clockwork.support']->getConfig('features.database.collect_queries'),
				$app['clockwork.support']->getConfig('features.database.slow_threshold'),
				$app['clockwork.support']->getConfig('features.database.slow_only'),
				$app['clockwork.support']->getConfig('features.database.detect_duplicate_queries'),
				$app['clockwork.support']->getConfig('features.database.collect_models_actions'),
				$app['clockwork.support']->getConfig('features.database.collect_models_retrieved')
			));

			// if we are collecting queue jobs, filter out queries caused by the database queue implementation
			if ($app['clockwork.support']->isCollectingQueueJobs()) {
				$dataSource->addFilter(function ($query, $trace) {
					return ! $trace->first(StackFilter::make()->isClass(\Illuminate\Queue\DatabaseQueue::class));
				}, 'early');
			}

			if ($app->runningUnitTests()) {
				$dataSource->addFilter(function ($query, $trace) {
					return ! $trace->first(StackFilter::make()->isClass([
						\Illuminate\Database\Migrations\Migrator::class,
						\Illuminate\Database\Console\Migrations\MigrateCommand::class
					]));
				});
			}

			return $dataSource;
		});

		$this->app->singleton('clockwork.events', function ($app) {
			return (new LaravelEventsDataSource(
				$app['events'],
				$app['clockwork.support']->getConfig('features.events.ignored_events', [])
			));
		});

		$this->app->singleton('clockwork.laravel', function ($app) {
			return (new LaravelDataSource(
				$app,
				$app['clockwork.support']->isFeatureEnabled('log'),
				$app['clockwork.support']->isFeatureEnabled('routes'),
				$app['clockwork.support']->getConfig('features.routes.only_namespaces', [])
			));
		});

		$this->app->singleton('clockwork.notifications', function ($app) {
			return new LaravelNotificationsDataSource($app['events']);
		});

		$this->app->singleton('clockwork.queue', function ($app) {
			return (new LaravelQueueDataSource($app['queue']->connection()));
		});

		$this->app->singleton('clockwork.redis', function ($app) {
			$dataSource = new LaravelRedisDataSource($app['events']);

			// if we are collecting queue jobs, filter out commands executed by the redis queue implementation
			if ($app['clockwork.support']->isCollectingQueueJobs()) {
				$dataSource->addFilter(function ($query, $trace) {
					return ! $trace->first(StackFilter::make()->isClass([
						\Illuminate\Queue\RedisQueue::class,
						\Laravel\Horizon\Repositories\RedisJobRepository::class,
						\Laravel\Horizon\Repositories\RedisTagRepository::class,
						\Laravel\Horizon\Repositories\RedisMetricsRepository::class
					]));
				});
			}

			return $dataSource;
		});

		$this->app->singleton('clockwork.swift', function ($app) {
			return new SwiftDataSource($app['mailer']->getSwiftMailer());
		});

		$this->app->singleton('clockwork.twig', function ($app) {
			return new TwigDataSource($app['twig']);
		});

		$this->app->singleton('clockwork.views', function ($app) {
			return new LaravelViewsDataSource(
				$app['events'],
				$app['clockwork.support']->getConfig('features.views.collect_data')
			);
		});

		$this->app->singleton('clockwork.xdebug', function ($app) {
			return new XdebugDataSource;
		});
	}

	// Set up aliases for all Clockwork parts so they can be resolved by type-hinting
	protected function registerAliases()
	{
		$this->app->alias('clockwork', Clockwork::class);

		$this->app->alias('clockwork.authenticator', AuthenticatorInterface::class);
		$this->app->alias('clockwork.storage', StorageInterface::class);
		$this->app->alias('clockwork.support', ClockworkSupport::class);

		$this->app->alias('clockwork.cache', LaravelCacheDataSource::class);
		$this->app->alias('clockwork.eloquent', EloquentDataSource::class);
		$this->app->alias('clockwork.events', LaravelEventsDataSource::class);
		$this->app->alias('clockwork.laravel', LaravelDataSource::class);
		$this->app->alias('clockwork.notifications', LaravelNotificationsDataSource::class);
		$this->app->alias('clockwork.queue', LaravelQueueDataSource::class);
		$this->app->alias('clockwork.redis', LaravelRedisDataSource::class);
		$this->app->alias('clockwork.swift', SwiftDataSource::class);
		$this->app->alias('clockwork.xdebug', XdebugDataSource::class);
	}

	// Register event listeners
	protected function registerEventListeners()
	{
		$this->app->booted(function () {
			$this->app['clockwork.support']->addDataSources()->listenToEvents();
		});
	}

	// Register middleware
	protected function registerMiddleware()
	{
		$kernel = $this->app[\Illuminate\Contracts\Http\Kernel::class];

		if (method_exists($kernel, 'hasMiddleware') && $kernel->hasMiddleware(ClockworkMiddleware::class)) return;

		$kernel->prependMiddleware(ClockworkMiddleware::class);
	}

	protected function registerRoutes()
	{
		$this->app['router']->get('/__clockwork/{id}/extended', 'Clockwork\Support\Laravel\ClockworkController@getExtendedData')
			->where('id', '([0-9-]+|latest)');
		$this->app['router']->get('/__clockwork/{id}/{direction?}/{count?}', 'Clockwork\Support\Laravel\ClockworkController@getData')
			->where('id', '([0-9-]+|latest)')->where('direction', '(next|previous)')->where('count', '\d+');
		$this->app['router']->put('/__clockwork/{id}', 'Clockwork\Support\Laravel\ClockworkController@updateData');
		$this->app['router']->post('/__clockwork/auth', 'Clockwork\Support\Laravel\ClockworkController@authenticate');
	}

	protected function registerWebRoutes()
	{
		$this->app['clockwork.support']->webPaths()->each(function ($path) {
			$this->app['router']->get("{$path}", 'Clockwork\Support\Laravel\ClockworkController@webRedirect');
			$this->app['router']->get("{$path}/app", 'Clockwork\Support\Laravel\ClockworkController@webIndex');
			$this->app['router']->get("{$path}/{path}", 'Clockwork\Support\Laravel\ClockworkController@webAsset')
				->where('path', '.+');
		});
	}

	public function provides()
	{
		return [ 'clockwork' ];
	}
}
