#pragma once

#include <filesystem>
#include <optional>
#include <string>
#include <variant>
#include <vector>

#include <SQLiteCpp/Database.h>

namespace Waylight {

struct ApplicationCache {
	enum class Type {
		Application,
		Link,
		Directory,
	};

	struct Action {
		std::string name;
		// May not exist if DBusActivable=true
		std::optional<std::string> exec;
		// Freedesktop Desktop Entry Spec 11.2 Table 3 says:
		//
		//   If the name is an absolute path, the given file will be used.
		//   If the name is not an absolute path, the algorithm described in
		//   the Icon Theme Specification will be used to locate the icon.
		//
		// Thus, when deserializing, we will just check if it starts with /
		// to determine type.
		std::optional<std::variant<std::filesystem::path, std::string>> icon;
	};

	int id;
	std::filesystem::path desktop_entry_path;

	Type type { Type::Application };
	bool terminal { false };
	bool no_display { false };
	std::optional<std::string> path;
	std::optional<std::string> comment;
	std::vector<Action> actions; // There should always be at least 1.
	bool dbus_activatable {};    // Unimplemented for now.
};

struct Cache {
	explicit Cache(std::shared_ptr<SQLite::Database> db);

	void rescan();
	void dump();
	void load();

private:
	std::vector<ApplicationCache> m_apps;
	std::vector<std::filesystem::path> m_app_dirs;
	std::shared_ptr<SQLite::Database> m_db;
};

} // namespace Cache