<?php

class WallabagExtension extends Minz_Extension {
	const USE_TAGS_DEFAULT = '1';
	const ADD_TAGS_DEFAULT = 'freshrss';

	public function init(): void {
		$this->registerHook('entry_before_insert', [$this, 'wallabag']);

		$save = false;
		if (is_null(FreshRSS_Context::$user_conf->wallabag_use_tags)) {
			FreshRSS_Context::$user_conf->wallabag_use_tags = self::USE_TAGS_DEFAULT;
			$save = true;
		}
		if (is_null(FreshRSS_Context::$user_conf->wallabag_add_tags)) {
			FreshRSS_Context::$user_conf->wallabag_add_tags = self::ADD_TAGS_DEFAULT;
			$save = true;
		}
		if ($save) {
			FreshRSS_Context::$user_conf->save();
		}
	}

	public function handleConfigureAction() {
		if (Minz_Request::isPost()) {
			FreshRSS_Context::$user_conf->wallabag_endpoint = Minz_Request::param('wallabag_endpoint');
			FreshRSS_Context::$user_conf->wallabag_token = Minz_Request::param('wallabag_token');
			FreshRSS_Context::$user_conf->wallabag_feeds = Minz_Request::param('wallabag_feeds', '');
			FreshRSS_Context::$user_conf->wallabag_use_tags = Minz_Request::param('wallabag_use_tags', '');
			FreshRSS_Context::$user_conf->wallabag_add_tags = Minz_Request::param('wallabag_add_tags', '');
			FreshRSS_Context::$user_conf->save();
		}
	}

	public function wallabag(FreshRSS_Entry $entry): FreshRSS_Entry {
		$endpoint = FreshRSS_Context::$user_conf->wallabag_endpoint;
		$token = FreshRSS_Context::$user_conf->wallabag_token;
		$feeds = explode(',', FreshRSS_Context::$user_conf->wallabag_feeds);
		$use_tags = FreshRSS_Context::$user_conf->wallabag_use_tags;
		$add_tags = explode(',', FreshRSS_Context::$user_conf->wallabag_add_tags);
		if (is_null($endpoint) || is_null($token)) {
			return $entry;
		}

		if (in_array($entry->feedId(), $feeds)) {
			$tags = $add_tags;
			if ($use_tags) {
				$tags = array_merge($tags, $entry->tags());
			}
			$link = $entry->link();

			$ch = curl_init();
			curl_setopt($ch, CURLOPT_URL, join_path($endpoint, 'api/entries'));
			curl_setopt($ch, CURLOPT_POST, true);
			curl_setopt($ch, CURLOPT_HTTPHEADER, [
			    "Authorization:Bearer $token",
			]);
			curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
			    'url' => $link,
			    'tags' => join(',', $tags),
			]));
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			$result = curl_exec($ch);
			curl_close($ch);
		}
		return $entry;
	}
}