Adds most of the code necessary for #11

src/main/java/net/knarcraft/blacksmith/config/GlobalSetting.java

@@ -31,7 +31,12 @@ public enum GlobalSetting {
     /**
      * Whether the cost should increase for damage taken, as opposed to increase for durability present
      */
-    NATURAL_COST("global.useNaturalCost", SettingValueType.BOOLEAN, true, "useNaturalCost");
+    NATURAL_COST("global.useNaturalCost", SettingValueType.BOOLEAN, true, "useNaturalCost"),
+
+    /**
+     * Whether to show exact time when displaying the wait time for a reforging or the cool-down
+     */
+    SHOW_EXACT_TIME("global.showExactTime", SettingValueType.BOOLEAN, false, "showExactTime");
 
     private final String path;
     private final String parent;

src/main/java/net/knarcraft/blacksmith/config/GlobalSettings.java

@@ -180,6 +180,15 @@ public class GlobalSettings {
         return asBoolean(GlobalSetting.NATURAL_COST);
     }
 
+    /**
+     * Gets whether to show exact time for reforging wait-time, and for wait-time between sessions
+     *
+     * @return <p>Whether to show exact time</p>
+     */
+    public boolean getShowExactTime() {
+        return asBoolean(GlobalSetting.SHOW_EXACT_TIME);
+    }
+
     /**
      * Gets the base price for the given material
      *

src/main/java/net/knarcraft/blacksmith/config/NPCSetting.java

@@ -70,13 +70,14 @@ public enum NPCSetting {
      * The message displayed when the blacksmith is already reforging something for the player
      */
     BUSY_WITH_REFORGE_MESSAGE("messages.busyReforgeMessage", SettingValueType.STRING,
-            "&cI'm working on it. Be patient!", "busyReforgeMessage"),
+            "&cI'm working on it. Be patient! I'll finish {time}!", "busyReforgeMessage"),
 
     /**
      * The message displayed if the player has to wait for the cool-down to expire
      */
     COOL_DOWN_UNEXPIRED_MESSAGE("messages.coolDownUnexpiredMessage", SettingValueType.STRING,
-            "&cYou've already had your chance! Give me a break!", "coolDownUnexpiredMessage"),
+            "&cYou've already had your chance! Give me a break! I'll be ready {time}!",
+            "coolDownUnexpiredMessage"),
 
     /**
      * The message displayed when displaying the cost of reforging the held item to the player

src/main/java/net/knarcraft/blacksmith/formatting/TimeFormatter.java

@@ -0,0 +1,126 @@
+package net.knarcraft.blacksmith.formatting;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static net.knarcraft.blacksmith.formatting.StringFormatter.replacePlaceholder;
+
+/**
+ * A utility for formatting a string specifying an amount of time
+ */
+public final class TimeFormatter {
+
+    private static Map<Double, TranslatableMessage[]> timeUnits;
+    private static List<Double> sortedUnits;
+
+    private TimeFormatter() {
+
+    }
+
+    /**
+     * Formats the given number of remaining seconds to the appropriate string
+     *
+     * @param exact   <p>Whether to display the exact number of seconds, or some unclear expression</p>
+     * @param seconds <p>The number of seconds remaining</p>
+     * @return <p>The time formatted correctly</p>
+     */
+    public static String formatTime(boolean exact, int seconds) {
+        if (exact) {
+            return getDurationString(seconds);
+        } else {
+            return formatUnclearTime(seconds);
+        }
+    }
+
+    /**
+     * Gets a time format using vague wording to specify a known interval
+     *
+     * @param seconds <p>The number of seconds to format</p>
+     * @return <p>Text describing approximate time remaining</p>
+     */
+    private static String formatUnclearTime(int seconds) {
+        List<TimeInterval> intervals = Arrays.stream(TimeInterval.values()).sorted().toList();
+        for (TimeInterval interval : intervals) {
+            if (seconds < interval.getIntervalMax()) {
+                //Use the set message, or use the default
+                //TODO: Check for commas in the message. If present, split on the comma and choose a random expression
+                String text = Translator.getTranslatedMessage(TranslatableMessage.valueOf(interval.name()));
+                if (text != null && !text.trim().isEmpty()) {
+                    return text;
+                } else {
+                    return interval.getDefaultText();
+                }
+            }
+        }
+        return TimeInterval.INTERVAL_MORE_THAN_5_MINUTES.getDefaultText();
+    }
+
+    /**
+     * Gets the string used for displaying this sign's duration
+     *
+     * @return <p>The string used for displaying this sign's duration</p>
+     */
+    public static String getDurationString(int duration) {
+        if (duration == 0) {
+            return Translator.getTranslatedMessage(TranslatableMessage.UNIT_NOW);
+        } else {
+            if (sortedUnits == null) {
+                initializeUnits();
+            }
+            for (Double unit : sortedUnits) {
+                if (duration / unit >= 1) {
+                    double units = round(duration / unit);
+                    return formatDurationString(units, timeUnits.get(unit)[units == 1 ? 0 : 1],
+                            (units * 10) % 10 == 0);
+                }
+            }
+            return formatDurationString(duration, TranslatableMessage.UNIT_SECONDS, false);
+        }
+    }
+
+    /**
+     * Rounds a number to its last two digits
+     *
+     * @param number <p>The number to round</p>
+     * @return <p>The rounded number</p>
+     */
+    private static double round(double number) {
+        return Math.round(number * 100.0) / 100.0;
+    }
+
+    /**
+     * Formats a duration string
+     *
+     * @param duration            <p>The duration to display</p>
+     * @param translatableMessage <p>The time unit to display</p>
+     * @param castToInt           <p>Whether to cast the duration to an int</p>
+     * @return <p>The formatted duration string</p>
+     */
+    private static String formatDurationString(double duration, TranslatableMessage translatableMessage, boolean castToInt) {
+        String durationFormat = Translator.getTranslatedMessage(TranslatableMessage.DURATION_FORMAT);
+        durationFormat = replacePlaceholder(durationFormat, "{unit}",
+                Translator.getTranslatedMessage(translatableMessage));
+        return replacePlaceholder(durationFormat, "{duration}", castToInt ? String.valueOf((int) duration) :
+                String.valueOf(duration));
+    }
+
+    /**
+     * Initializes the mapping of available time units for formatting permission sign duration
+     */
+    private static void initializeUnits() {
+        double minute = 60;
+
+        timeUnits = new HashMap<>();
+        timeUnits.put(minute, new TranslatableMessage[]{TranslatableMessage.UNIT_MINUTE, TranslatableMessage.UNIT_MINUTES});
+        timeUnits.put(1D, new TranslatableMessage[]{TranslatableMessage.UNIT_SECOND, TranslatableMessage.UNIT_SECONDS});
+
+        sortedUnits = new ArrayList<>(timeUnits.keySet());
+        Collections.sort(sortedUnits);
+        Collections.reverse(sortedUnits);
+    }
+
+}

src/main/java/net/knarcraft/blacksmith/formatting/TimeInterval.java

@@ -0,0 +1,65 @@
+package net.knarcraft.blacksmith.formatting;
+
+/**
+ * The important intervals when not using exact wait times
+ */
+public enum TimeInterval {
+
+    /**
+     * Less than 10 seconds left
+     */
+    INTERVAL_LESS_THAN_10_SECONDS("momentarily", 10),
+
+    /**
+     * Less than 30 seconds left
+     */
+    INTERVAL_LESS_THAN_30_SECONDS("in a little while", 30),
+
+    /**
+     * Less than 1 minute left
+     */
+    INTERVAL_LESS_THAN_1_MINUTE("in a while", 60),
+
+    /**
+     * Less than 5 minutes left
+     */
+    INTERVAL_LESS_THAN_5_MINUTES("after some time", 300),
+
+    /**
+     * More than 5 minutes left
+     */
+    INTERVAL_MORE_THAN_5_MINUTES("in quite a while", Integer.MAX_VALUE);
+
+    private final String defaultText;
+    private final int maxSeconds;
+
+    /**
+     * Instantiates a new time interval
+     *
+     * @param defaultText <p>The default text used to describe the time interval</p>
+     * @param maxSeconds  <p>The maximum number of seconds to fall within this interval</p>
+     */
+    TimeInterval(String defaultText, int maxSeconds) {
+        this.defaultText = defaultText;
+        this.maxSeconds = maxSeconds;
+    }
+
+    /**
+     * Gets the default text to display for this interval
+     *
+     * @return <p>The default text to display for this interval</p>
+     */
+    public String getDefaultText() {
+        return this.defaultText;
+    }
+
+    /**
+     * Gets the maximum number of seconds before exceeding this interval
+     *
+     * @return <p>The max seconds of this interval</p>
+     */
+    public int getIntervalMax() {
+        return maxSeconds;
+    }
+
+}

src/main/java/net/knarcraft/blacksmith/formatting/TranslatableMessage.java

@@ -10,25 +10,155 @@ import static net.knarcraft.blacksmith.formatting.StringFormatter.replacePlaceho
  */
 public enum TranslatableMessage {
 
+    /**
+     * The message displayed when a configuration value has been successfully changed
+     */
     VALUE_CHANGED,
+
+    /**
+     * The message displayed when a configuration value for one material or enchantment has been successfully changed
+     */
     VALUE_FOR_ITEM_CHANGED,
+
+    /**
+     * The message displayed when showing the current value of a configuration option
+     */
     CURRENT_VALUE,
+
+    /**
+     * The message displayed when showing the current value of a configuration option for one material or enchantment
+     */
     CURRENT_VALUE_FOR_ITEM,
+
+    /**
+     * The translation of enchantment
+     */
     ITEM_TYPE_ENCHANTMENT,
+
+    /**
+     * The translation of material
+     */
     ITEM_TYPE_MATERIAL,
+
+    /**
+     * The message displayed when showing the "raw" value of messages
+     */
     RAW_VALUE,
+
+    /**
+     * The message displayed when trying to change a blacksmith value before selecting a blacksmith
+     */
     NO_NPC_SELECTED,
+
+    /**
+     * The message displayed if trying to change the default value of reforge-able item using commands
+     */
     DEFAULT_REFORGE_ABLE_ITEMS_UNCHANGEABLE,
+
+    /**
+     * The message displayed if a string list is required, but something else is given
+     */
     INPUT_STRING_LIST_REQUIRED,
+
+    /**
+     * The message displayed if a value between 0 and 100 is required, but something else is given
+     */
     INPUT_PERCENTAGE_REQUIRED,
+
+    /**
+     * The message displayed if a string is required, but something else is given
+     */
     INPUT_STRING_REQUIRED,
+
+    /**
+     * The message displayed if a positive double is required, but something else is given
+     */
     INPUT_POSITIVE_DOUBLE_REQUIRED,
+
+    /**
+     * The message displayed if a positive integer is required, but something else is given
+     */
     INPUT_POSITIVE_INTEGER_REQUIRED,
+
+    /**
+     * The message displayed if a player is missing the required permission for an action
+     */
     PERMISSION_DENIED,
+
+    /**
+     * The message displayed if this plugin is successfully reloaded
+     */
     PLUGIN_RELOADED,
+
+    /**
+     * The message displayed if a filter is specified which isn't supported by the specified preset
+     */
     INVALID_FILTER_FOR_PRESET,
+
+    /**
+     * The message displayed if an invalid preset or an invalid filter is specified
+     */
     INVALID_PRESET_OR_FILTER,
-    PRESET_MATERIALS;
+
+    /**
+     * The message displayed when showing which materials are included in a preset
+     */
+    PRESET_MATERIALS,
+
+    /**
+     * The format for displaying the exact duration of a blacksmith's cool-down or delay
+     */
+    DURATION_FORMAT,
+
+    /**
+     * The text to display for 0 seconds
+     */
+    UNIT_NOW,
+
+    /**
+     * The text to display for 1 second
+     */
+    UNIT_SECOND,
+
+    /**
+     * The text to display for a number of seconds
+     */
+    UNIT_SECONDS,
+
+    /**
+     * The text to display for 1 minute
+     */
+    UNIT_MINUTE,
+
+    /**
+     * The text to display for a number of minutes
+     */
+    UNIT_MINUTES,
+
+    /**
+     * The text to display when describing less than 10 seconds remaining
+     */
+    INTERVAL_LESS_THAN_10_SECONDS,
+
+    /**
+     * The text to display when describing less than 30 seconds remaining
+     */
+    INTERVAL_LESS_THAN_30_SECONDS,
+
+    /**
+     * The text to display when describing less than 1 minute remaining
+     */
+    INTERVAL_LESS_THAN_1_MINUTE,
+
+    /**
+     * The text to display when describing less than 5 minutes remaining
+     */
+    INTERVAL_LESS_THAN_5_MINUTES,
+
+    /**
+     * The text to display when describing more than 5 minutes remaining
+     */
+    INTERVAL_MORE_THAN_5_MINUTES;
 
     /**
      * Gets the message to display when displaying the raw value of messages

src/main/java/net/knarcraft/blacksmith/trait/BlacksmithTrait.java

@@ -5,7 +5,7 @@ import net.citizensnpcs.api.trait.Trait;
 import net.citizensnpcs.api.util.DataKey;
 import net.knarcraft.blacksmith.BlacksmithPlugin;
 import net.knarcraft.blacksmith.config.NPCSettings;
-import net.knarcraft.blacksmith.formatting.StringFormatter;
+import net.knarcraft.blacksmith.formatting.TimeFormatter;
 import net.knarcraft.blacksmith.manager.EconomyManager;
 import net.knarcraft.blacksmith.util.ItemHelper;
 import org.bukkit.Bukkit;
@@ -23,6 +23,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.UUID;
 
+import static net.knarcraft.blacksmith.formatting.StringFormatter.replacePlaceholder;
 import static net.knarcraft.blacksmith.formatting.StringFormatter.sendNPCMessage;
 
 /**
@@ -107,9 +108,10 @@ public class BlacksmithTrait extends Trait {
      * @return <p>True if preparations were successful. False if a session shouldn't be started</p>
      */
     public boolean prepareForSession(Player player) {
+        UUID playerId = player.getUniqueId();
         //If cool-down has been disabled after it was set for this player, remove the cool-down
-        if (config.getDisableCoolDown() && coolDowns.get(player.getUniqueId()) != null) {
+        if (config.getDisableCoolDown() && coolDowns.get(playerId) != null) {
-            coolDowns.remove(player.getUniqueId());
+            coolDowns.remove(playerId);
         }
         //Deny if permission is missing
         if (!player.hasPermission("blacksmith.reforge")) {
@@ -117,17 +119,21 @@ public class BlacksmithTrait extends Trait {
         }
 
         //Deny if on cool-down, or remove cool-down if expired
-        if (coolDowns.get(player.getUniqueId()) != null) {
+        if (coolDowns.get(playerId) != null) {
-            if (!Calendar.getInstance().after(coolDowns.get(player.getUniqueId()))) {
+            Calendar calendar = Calendar.getInstance();
-                sendNPCMessage(this.npc, player, config.getCoolDownUnexpiredMessage());
+            if (!calendar.after(coolDowns.get(playerId))) {
+                int secondDifference = (int) ((calendar.getTimeInMillis() - coolDowns.get(playerId).getTimeInMillis()) * 1000);
+                boolean exactTime = BlacksmithPlugin.getInstance().getSettings().getShowExactTime();
+                sendNPCMessage(this.npc, player, replacePlaceholder(config.getCoolDownUnexpiredMessage(),
+                        "{time}", TimeFormatter.formatTime(exactTime, secondDifference)));
                 return false;
             }
-            coolDowns.remove(player.getUniqueId());
+            coolDowns.remove(playerId);
         }
 
-        //If already in a session, but the player has failed to interact, or left the blacksmith, allow a new session
+        //If already in a session, but the player has failed to interact, and left the blacksmith, allow a new session
         if (session != null) {
-            if (System.currentTimeMillis() > _sessionStart + 10 * 1000 ||
+            if (System.currentTimeMillis() > _sessionStart + 10 * 1000 &&
                     this.npc.getEntity().getLocation().distance(session.getPlayer().getLocation()) > 20) {
                 session = null;
             }
@@ -149,7 +155,10 @@ public class BlacksmithTrait extends Trait {
 
         //The blacksmith is already reforging for the player
         if (session.isRunning()) {
-            sendNPCMessage(this.npc, player, config.getBusyReforgingMessage());
+            int timeRemaining = (int) ((session.getFinishTime() - System.currentTimeMillis()) / 1000);
+            boolean showExactTime = BlacksmithPlugin.getInstance().getSettings().getShowExactTime();
+            sendNPCMessage(this.npc, player, replacePlaceholder(config.getBusyReforgingMessage(), "{time}",
+                    TimeFormatter.formatTime(showExactTime, timeRemaining)));
             return;
         }
         if (session.endSession()) {
@@ -171,7 +180,7 @@ public class BlacksmithTrait extends Trait {
         //Refuse if not repairable, or if reforge-able items is set, but doesn't include the held item
         List<Material> reforgeAbleItems = config.getReforgeAbleItems();
         if (!isRepairable(hand) || (!reforgeAbleItems.isEmpty() && !reforgeAbleItems.contains(hand.getType()))) {
-            String invalidMessage = StringFormatter.replacePlaceholder(config.getInvalidItemMessage(),
+            String invalidMessage = replacePlaceholder(config.getInvalidItemMessage(),
                     "{title}", config.getBlacksmithTitle());
             sendNPCMessage(this.npc, player, invalidMessage);
             return;
@@ -189,7 +198,8 @@ public class BlacksmithTrait extends Trait {
         //Tell the player the cost of repairing the item
         String cost = EconomyManager.formatCost(player);
         String itemName = hand.getType().name().toLowerCase().replace('_', ' ');
-        sendNPCMessage(this.npc, player, config.getCostMessage().replace("{cost}", cost).replace("{item}", itemName));
+        sendNPCMessage(this.npc, player, config.getCostMessage().replace("{cost}", cost).replace("{item}",
+                itemName));
     }
 
     /**

src/main/java/net/knarcraft/blacksmith/trait/ReforgeSession.java

@@ -12,6 +12,7 @@ import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.Damageable;
 import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.scheduler.BukkitScheduler;
 
 import java.util.ArrayList;
 import java.util.Calendar;
@@ -32,6 +33,7 @@ public class ReforgeSession implements Runnable {
     private final NPC npc;
     private final ItemStack itemToReforge;
     private int taskId;
+    private long finishTime = 0;
     private final NPCSettings config;
     private static final String[] enchantments = new String[Enchantment.values().length];
     private static final Random random = new Random();
@@ -48,15 +50,27 @@ public class ReforgeSession implements Runnable {
         this.blacksmithTrait = blacksmithTrait;
         this.player = player;
         this.npc = npc;
-        itemToReforge = player.getInventory().getItemInMainHand();
+        this.itemToReforge = player.getInventory().getItemInMainHand();
         this.config = config;
 
-        int i = 0;
+        //Populate enchantments the first time this is run
-        for (Enchantment enchantment : Enchantment.values()) {
+        if (enchantments[0] == null) {
-            enchantments[i++] = enchantment.getKey().toString();
+            int i = 0;
+            for (Enchantment enchantment : Enchantment.values()) {
+                enchantments[i++] = enchantment.getKey().toString();
+            }
         }
     }
 
+    /**
+     * Gets the time in milliseconds when this reforging session will finish
+     *
+     * @return <p>The time the reforging will finish</p>
+     */
+    public long getFinishTime() {
+        return this.finishTime;
+    }
+
     /**
      * Runs the actual reforge which fixes the item and gives it back to the player
      */
@@ -237,16 +251,17 @@ public class ReforgeSession implements Runnable {
      * Begins the actual item reforging
      */
     public void beginReforge() {
+        BukkitScheduler scheduler = BlacksmithPlugin.getInstance().getServer().getScheduler();
+        int reforgeDelay;
         if (!config.getDisableCoolDown()) {
             //Finish the reforging after a random delay between the max and min
-            taskId = BlacksmithPlugin.getInstance().getServer().getScheduler().scheduleSyncDelayedTask(
+            reforgeDelay = new Random().nextInt(config.getMaxReforgeDelay()) + config.getMinReforgeDelay();
-                    BlacksmithPlugin.getInstance(), this, (new Random().nextInt(config.getMaxReforgeDelay()) +
-                            config.getMinReforgeDelay()) * 20L);
         } else {
             //Finish the reforging as soon as possible
-            taskId = BlacksmithPlugin.getInstance().getServer().getScheduler().scheduleSyncDelayedTask(
+            reforgeDelay = 0;
-                    BlacksmithPlugin.getInstance(), this, 0);
         }
+        this.finishTime = System.currentTimeMillis() + (reforgeDelay * 1000L);
+        taskId = scheduler.scheduleSyncDelayedTask(BlacksmithPlugin.getInstance(), this, reforgeDelay * 20L);
     }
 
     /**

src/main/resources/config.yml

@@ -21,6 +21,10 @@ global:
   #  blacksmith behavior instead
   useNaturalCost: true
 
+  # Exact time displays the exact number of seconds and minutes remaining as part of the reforging cool-down and
+  #  reforging delay messages, instead of just vaguely hinting at the remaining time.
+  showExactTime: false
+
 # The settings which are set to any new NPC. To change any of these settings for an existing NPC, you must change the 
 #  Citizens NPC file, or use the /blacksmith command
 defaults:
@@ -61,10 +65,10 @@ defaults:
     busyPlayerMessage: "&cI'm busy at the moment. Come back later!"
 
     # The message to display when the blacksmith is working on the reforging
-    busyReforgeMessage: "&cI'm working on it. Be patient!"
+    busyReforgeMessage: "&cI'm working on it. Be patient! I'll finish {time}!"
 
     # The message to display when the blacksmith is still on a cool-down from the previous re-forging
-    coolDownUnexpiredMessage: "&cYou've already had your chance! Give me a break!"
+    coolDownUnexpiredMessage: "&cYou've already had your chance! Give me a break! I'll be ready {time}!"
 
     # The message to display when informing a player about the reforging cost
     costMessage: "&eIt will cost &a{cost}&e to reforge that &a{item}&e! Click again to reforge!"

src/main/resources/strings.yml

@@ -17,4 +17,15 @@ en:
   PLUGIN_RELOADED: "Blacksmith config reloaded!"
   INVALID_FILTER_FOR_PRESET: "The specified filter is not valid for that preset"
   INVALID_PRESET_OR_FILTER: "You specified an invalid preset or an invalid filter"
-  PRESET_MATERIALS: "Materials in preset: {materials}"
+  PRESET_MATERIALS: "Materials in preset: {materials}"
+  DURATION_FORMAT: "{time} {unit}"
+  UNIT_NOW: "imminently"
+  UNIT_SECOND: "second"
+  UNIT_SECONDS: "seconds"
+  UNIT_MINUTE: "minute"
+  UNIT_MINUTES: "minutes"
+  INTERVAL_LESS_THAN_10_SECONDS: "momentarily"
+  INTERVAL_LESS_THAN_30_SECONDS: "in a little while"
+  INTERVAL_LESS_THAN_1_MINUTE: "in a while"
+  INTERVAL_LESS_THAN_5_MINUTES: "after some time"
+  INTERVAL_MORE_THAN_5_MINUTES: "in quite a while"