package design.model.statistics;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

import design.model.League;
import design.model.Match;
import design.model.Round;

public class LeagueStats implements Statistics{
    private final League league;

    public LeagueStats(League league) {
        this.league = league;
    }

    public List<Match> getMatchesPlayed() {
        return league.getCompletedMatches();
    }

    public Map<?, Integer> getScores() {
        return league.getResults();
    }

    public List<? extends Map.Entry<?, Integer>> getStandings(){
        return league.getResults().entrySet().stream().sorted(Map.Entry.comparingByValue()).<Map.Entry<?, Integer>>map(e -> e).toList();
    }

    public List<?> getWinners(){
        List<? extends Map.Entry<?, Integer>> standings = getStandings();
        int bestScore = standings.get(0).getValue();
        return standings.stream().filter(entry -> entry.getValue() == bestScore).map(Map.Entry::getKey).toList();
    }

    @Override
    public Round[] getRounds(){
        return league.getCompletedMatches().stream().flatMap(match -> Arrays.stream(match.getRounds())).toArray(Round[]::new);
    }

    @Override
    public int get_score(){
        return Arrays.stream(getRounds()).mapToInt(Round::getTotalSwings).sum();
    }

    @Override
    public double get_distance(){
        return Arrays.stream(getRounds()).mapToDouble(Round::getTotalDistance).sum();
    }
}