#ifndef NEWSBOAT_FEEDCONTAINER_H_
#define NEWSBOAT_FEEDCONTAINER_H_

#include <memory>
#include <mutex>
#include <string>
#include <vector>

#include "configcontainer.h"

namespace newsboat {

class RssFeed;

class FeedContainer {
public:
	FeedContainer() = default;

	void sort_feeds(const FeedSortStrategy& sort_strategy);
	std::shared_ptr<RssFeed> get_feed(const unsigned int pos);
	void add_feed(const std::shared_ptr<RssFeed> feed);
	void mark_all_feed_items_read(std::shared_ptr<RssFeed> feed);
	void mark_all_feeds_read();
	unsigned int get_feed_count_per_tag(const std::string& tag);

	/// Count feeds tagged with `tag` that have unread items
	unsigned int get_unread_feed_count_per_tag(const std::string& tag);

	/// Count unread items in feeds tagged with `tag`
	unsigned int get_unread_item_count_per_tag(const std::string& tag);

	std::shared_ptr<RssFeed> get_feed_by_url(const std::string& feedurl);
	void populate_query_feeds();
	unsigned int get_pos_of_next_unread(unsigned int pos);
	unsigned int feeds_size();
	void reset_feeds_status();
	void set_feeds(const std::vector<std::shared_ptr<RssFeed>> new_feeds);
	std::vector<std::shared_ptr<RssFeed>> get_all_feeds() const;
	unsigned int unread_feed_count() const;
	unsigned int unread_item_count() const;

	void replace_feed(unsigned int pos, std::shared_ptr<RssFeed> feed);

private:
	std::vector<std::shared_ptr<RssFeed>> feeds;
	mutable std::mutex feeds_mutex;
};
} // namespace newsboat

#endif /* NEWSBOAT_FEEDCONTAINER_H_ */