1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/design/model/statistics/LeagueStats.java b/src/main/java/design/model/statistics/LeagueStats.java
new file mode 100644
index 0000000..c80df07
--- /dev/null
+++ b/src/main/java/design/model/statistics/LeagueStats.java
@@ -0,0 +1,50 @@
+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();
+    }
+}