wikiscraper.h

#ifndef WIKISCRAPER_H
#define WIKISCRAPER_H

#include <cpr/cpr.h>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <iterator>
#include <iostream>     	// for cout, cin
#include <fstream>      	// for ifstream
#include <sstream>      	// for stringstream
#include <filesystem>   	// making inputting files easier
#include <vector>
#include <queue>

using std::cout;            using std::endl;
using std::ifstream;        using std::stringstream;
using std::string;          using std::vector;
using std::priority_queue;  using std::unordered_map;
using std::unordered_set;   using std::cin;

class WikiScraper {

public:
    WikiScraper();

    /*
     * This method takes the page name of a Wikipedia page and
     * returns an unordered_set containing all the links on this page.
     */
    std::unordered_set<std::string> getLinkSet(const std::string& page_name);


private:
    std::string getPageSource(const std::string& page_name);
    std::unordered_map<std::string, std::string> page_cache;
    std::unordered_map<std::string, std::unordered_set<std::string>> linkset_cache;
};

vector<string> findWikiLadder(const string& start_page, const string& end_page);
bool valid_wikilink(const string& link);
unordered_set<string> findWikiLinks(const string& inp);



#endif // WIKISCRAPER_H