#pragma once #include #include #include #include #include "web_client/web_client.h" /// @brief Provides cached Wikipedia summary lookups for city and country pairs. class WikipediaService { public: /// @brief Creates a new Wikipedia service with the provided web client. explicit WikipediaService(std::shared_ptr client); /// @brief Returns the Wikipedia summary extract for city and country. [[nodiscard]] std::string GetSummary(std::string_view city, std::string_view country); private: std::string FetchExtract(std::string_view query); std::shared_ptr client_; std::unordered_map cache_; };