Ordered requirements and name placeholders

src/main/java/sh/okx/rankup/placeholders/RankupExpansion.java

@@ -92,12 +92,26 @@ public class RankupExpansion implements Expansion {
                 } else {
                     return prestige.getRank();
                 }
+            case "current_prestige_name":
+                requirePrestiging(prestiges, params);
+                if (prestige == null || prestige.getRank() == null) {
+                    return getPlaceholder("no-prestige");
+                } else {
+                    return prestige.getDisplayName();
+                }
             case "next_prestige":
                 requirePrestiging(prestiges, params);
                 if (prestigeElement != null && !prestigeElement.hasNext()) {
                     return getPlaceholder("highest-rank");
                 }
-                return orElse(prestige, Prestige::getNext, prestiges.getFirst().getNext());
+                return orElse(prestigeElement, e -> e.getNext().getRank().getRank(), prestiges.getTree().getFirst().getNext().getRank().getRank());
+            case "next_prestige_name":
+                requirePrestiging(prestiges, params);
+                if (prestigeElement != null && !prestigeElement.hasNext()) {
+                    return getPlaceholder("highest-rank");
+                } else {
+                    return orElse(prestigeElement, e -> e.getNext().getRank().getDisplayName(), prestiges.getTree().getFirst().getNext().getRank().getDisplayName());
+                }
             case "prestige_money":
                 requirePrestiging(prestiges, params);
                 return String.valueOf(simplify(orElse(prestige, r -> r.isIn(player) ? r.getRequirement(player, "money").getValueDouble() : 0, 0)));
@@ -105,16 +119,21 @@ public class RankupExpansion implements Expansion {
                 requirePrestiging(prestiges, params);
                 return plugin.formatMoney(orElse(prestige, r -> r.isIn(player) ? r.getRequirement(player, "money").getValueDouble() : 0, 0D));
             case "current_rank":
-                if (rank == null) {
-                    return getPlaceholder("not-in-ladder");
-                } else {
-                    return rank.getRank();
-                }
+                return orElse(rank, Rank::getRank, getPlaceholder("not-in-ladder"));
+            case "current_rank_name":
+                return orElse(rank, Rank::getDisplayName, getPlaceholder("not-in-ladder"));
             case "next_rank":
                 if (rankElement != null && !rankElement.hasNext()) {
                     return getPlaceholder("highest-rank");
+                } else {
+                    return orElsePlaceholder(rankElement, e -> e.getNext().getRank().getRank(), "not-in-ladder");
+                }
+            case "next_rank_name":
+                if (rankElement != null && !rankElement.hasNext()) {
+                    return getPlaceholder("highest-rank");
+                } else {
+                    return orElsePlaceholder(rankElement, e -> e.getNext().getRank().getDisplayName(), "not-in-ladder");
                 }
-                return orElsePlaceholder(rank, r -> orElsePlaceholder(rank, Rank::getNext, "highest-rank"), "not-in-ladder");
             case "money":
                 return String.valueOf(getMoney(player, rank));
             case "money_formatted":

src/main/java/sh/okx/rankup/prestige/Prestige.java

@@ -1,5 +1,6 @@
 package sh.okx.rankup.prestige;
 
+import java.util.List;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.ToString;
@@ -14,9 +15,6 @@ import sh.okx.rankup.ranks.requirements.ListRankRequirements;
 import sh.okx.rankup.ranks.requirements.RankRequirements;
 import sh.okx.rankup.requirements.Requirement;
 
-import java.util.List;
-import java.util.Set;
-
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)
 public class Prestige extends Rank {
@@ -33,7 +31,7 @@ public class Prestige extends Rank {
 
   public static Prestige deserialize(RankupPlugin plugin, ConfigurationSection section) {
     List<String> requirementsList = section.getStringList("requirements");
-    Set<Requirement> requirements = plugin.getRequirements().getRequirements(requirementsList);
+    List<Requirement> requirements = plugin.getRequirements().getRequirements(requirementsList);
 
     return new Prestige(section, plugin,
         section.getString("next"),

src/main/java/sh/okx/rankup/ranks/requirements/LastRankRequirements.java

@@ -1,15 +1,14 @@
 package sh.okx.rankup.ranks.requirements;
 
 import java.util.Collections;
-import java.util.Set;
 import org.bukkit.entity.Player;
 import sh.okx.rankup.requirements.Requirement;
 
 public class LastRankRequirements implements RankRequirements {
 
   @Override
-  public Set<Requirement> getRequirements(Player player) {
-    return Collections.emptySet();
+  public Iterable<Requirement> getRequirements(Player player) {
+    return Collections.emptyList();
   }
 
   @Override

src/main/java/sh/okx/rankup/ranks/requirements/ListRankRequirements.java

@@ -1,19 +1,19 @@
 package sh.okx.rankup.ranks.requirements;
 
-import java.util.Set;
+import java.util.List;
 import org.bukkit.entity.Player;
 import sh.okx.rankup.requirements.DeductibleRequirement;
 import sh.okx.rankup.requirements.Requirement;
 
 public class ListRankRequirements implements RankRequirements {
-  private final Set<Requirement> requirements;
+  private final List<Requirement> requirements;
 
-  public ListRankRequirements(Set<Requirement> requirements) {
+  public ListRankRequirements(List<Requirement> requirements) {
     this.requirements = requirements;
   }
 
   @Override
-  public Set<Requirement> getRequirements(Player player) {
+  public Iterable<Requirement> getRequirements(Player player) {
     return requirements;
   }
 

src/main/java/sh/okx/rankup/ranks/requirements/PrestigeListRankRequirements.java

@@ -1,15 +1,13 @@
 package sh.okx.rankup.ranks.requirements;
 
+import java.util.Map;
+import java.util.Objects;
 import org.bukkit.entity.Player;
 import sh.okx.rankup.RankupPlugin;
 import sh.okx.rankup.prestige.Prestige;
 import sh.okx.rankup.prestige.Prestiges;
 import sh.okx.rankup.requirements.Requirement;
 
-import java.util.Map;
-import java.util.Objects;
-import java.util.Set;
-
 public class PrestigeListRankRequirements implements RankRequirements {
   private final RankupPlugin plugin;
   private final RankRequirements defaultRequirements;
@@ -25,7 +23,7 @@ public class PrestigeListRankRequirements implements RankRequirements {
   }
 
   @Override
-  public Set<Requirement> getRequirements(Player player) {
+  public Iterable<Requirement> getRequirements(Player player) {
     return getRankRequirements(player).getRequirements(player);
   }
 

src/main/java/sh/okx/rankup/ranks/requirements/RankRequirements.java

@@ -1,11 +1,10 @@
 package sh.okx.rankup.ranks.requirements;
 
-import java.util.Set;
 import org.bukkit.entity.Player;
 import sh.okx.rankup.requirements.Requirement;
 
 public interface RankRequirements {
-  Set<Requirement> getRequirements(Player player);
+  Iterable<Requirement> getRequirements(Player player);
 
   boolean hasRequirements(Player player);
   Requirement getRequirement(Player player, String name);

src/main/java/sh/okx/rankup/ranks/requirements/RankRequirementsFactory.java

@@ -3,8 +3,8 @@ package sh.okx.rankup.ranks.requirements;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import org.bukkit.configuration.ConfigurationSection;
 import sh.okx.rankup.RankupPlugin;
 import sh.okx.rankup.requirements.Requirement;
@@ -33,12 +33,12 @@ public class RankRequirementsFactory {
     }
   }
 
-  private static Set<Requirement> stringsToRequirements(RankupPlugin plugin, Iterable<String> strings) {
+  private static List<Requirement> stringsToRequirements(RankupPlugin plugin, Iterable<String> strings) {
     return plugin.getRequirements().getRequirements(strings);
   }
 
   private static RankRequirements getListRequirements(RankupPlugin plugin, Iterable<String> list) {
-    Set<Requirement> requirements = stringsToRequirements(plugin, list);
+    List<Requirement> requirements = stringsToRequirements(plugin, list);
     return new ListRankRequirements(requirements);
   }
 

src/main/java/sh/okx/rankup/requirements/RequirementRegistry.java

@@ -1,7 +1,9 @@
 package sh.okx.rankup.requirements;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Objects;
 import java.util.Set;
 
@@ -29,8 +31,8 @@ public class RequirementRegistry {
     return null;
   }
 
-  public Set<Requirement> getRequirements(Iterable<String> list) {
-    Set<Requirement> requirements = new HashSet<>();
+  public List<Requirement> getRequirements(Iterable<String> list) {
+    List<Requirement> requirements = new ArrayList<>();
 
     for (String req : list) {
       String[] parts = req.split(" ", 2);

src/main/resources/prestiges.yml

@@ -1,4 +1,3 @@
-
 first:
   # the rank people must be to use this prestige
   from: 'D'