<?php

declare(strict_types=1);

namespace OCA\RePod\Controller;

use OCA\GPodderSync\Core\PodcastData\PodcastDataReader;
use OCA\GPodderSync\Core\PodcastData\PodcastMetrics;
use OCA\GPodderSync\Core\PodcastData\PodcastMetricsReader;
use OCA\RePod\AppInfo\Application;
use OCA\RePod\Service\UserService;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\Attribute\FrontpageRoute;
use OCP\AppFramework\Http\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
use OCP\AppFramework\Http\JSONResponse;
use OCP\IRequest;

class MetricsController extends Controller
{
	public function __construct(
		IRequest $request,
		private PodcastDataReader $podcastDataReader,
		private PodcastMetricsReader $podcastMetricsReader,
		private UserService $userService
	) {
		parent::__construct(Application::APP_ID, $request);
	}

	#[NoAdminRequired]
	#[NoCSRFRequired]
	#[FrontpageRoute(verb: 'GET', url: '/metrics')]
	public function index(): JSONResponse {
		$metrics = $this->podcastMetricsReader->metrics($this->userService->getUserUID());
		usort($metrics, fn (PodcastMetrics $a, PodcastMetrics $b) => $b->getListenedSeconds() <=> $a->getListenedSeconds());
		$subscriptions = [];

		foreach ($metrics as $metric) {
			$subscription = $metric->toArray();

			try {
				$subscription['data'] = $this->podcastDataReader->getCachedOrFetchPodcastData($metric->getUrl(), $this->userService->getUserUID());
			} catch (\Exception $e) {
			}

			$subscriptions[] = $subscription;
		}

		return new JSONResponse($subscriptions);
	}
}