package polling_station_dashboard.search.VotersFetcher;

import java.util.*;

/**
 * Created by Vladimir Eliezer Tokarev on 18/06/2016.
 * This object used for receiving empty list of object for the logic of add voter could be tested
 * is implemented in this dummy way for testing the normal gui flow
 */
public class DummyVotersFetcher implements VotersFetcher {

    private List<HashMap<String,String>> dummyVoters;

    public DummyVotersFetcher()
    {
        this.dummyVoters = new ArrayList<>();

        // voter that cant vote
        HashMap<String, String> voter1 = new HashMap<>();
        voter1.put("IDNumber", "123123123");
        voter1.put("EligibleToVote", "no");
        voter1.put("Status", "HasNotVoted");
        voter1.put("Channel", "IDCMaths");

        // voter that can vote
        HashMap<String, String> voter2 = new HashMap<>();
        voter2.put("IDNumber", "234234234");
        voter2.put("EligibleToVote", "yes");
        voter2.put("Status", "HasNotVoted");
        voter2.put("Channel", "IDCPhysics");

        this.dummyVoters.add(voter1);
        this.dummyVoters.add(voter2);
    }

    /**
     * Gets list of filters and return all the voters from dummy voters that have those filters
     * @param filters list of strings
     */
    @Override
    public List<HashMap<String,String>> FetchVoters(List<String> filters)
    {
        List<HashMap<String,String>> votersWithFilters = new ArrayList<>();

        for (String filter : filters) {
            for (HashMap<String, String> voter: this.dummyVoters) {
                Iterator it = voter.entrySet().iterator();
                while (it.hasNext()) {
                    Map.Entry pair = (Map.Entry) it.next();
                    if (((String) pair.getKey()).contains(filter) || ((String) pair.getValue()).contains(filter)) {
                        votersWithFilters.add(voter);
                        break;
                    }
                }
            }
        }

        return votersWithFilters;
    }
}