Broken commit implementing a lot of book-splitting code

src/main/java/net/knarcraft/blacksmith/manager/EconomyManager.java

@@ -5,6 +5,7 @@ import net.knarcraft.blacksmith.config.blacksmith.GlobalBlacksmithSettings;
 import net.knarcraft.blacksmith.config.scrapper.GlobalScrapperSettings;
 import net.knarcraft.blacksmith.property.SalvageMethod;
 import net.knarcraft.blacksmith.util.ItemHelper;
+import net.knarcraft.blacksmith.util.SalvageHelper;
 import net.milkbowl.vault.economy.Economy;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
@@ -54,10 +55,11 @@ public class EconomyManager {
      *
      * @param player        <p>The player holding an item</p>
      * @param salvageMethod <p>The salvage method to check</p>
+     * @param item          <p>The item to be salvaged</p>
      * @return <p>Whether the player cannot pay for the salvage</p>
      */
-    public static boolean cannotPayForSalvage(@NotNull Player player, @NotNull SalvageMethod salvageMethod) {
-        return economy.getBalance(player) - getSalvageCost(salvageMethod) < 0;
+    public static boolean cannotPayForSalvage(@NotNull Player player, @NotNull SalvageMethod salvageMethod, @NotNull ItemStack item) {
+        return economy.getBalance(player) - getSalvageCost(salvageMethod, item) < 0;
     }
 
     /**
@@ -76,11 +78,34 @@ public class EconomyManager {
      * Gets the human-readable cost of salvaging an item
      *
      * @param salvageMethod <p>The salvage method to get the cost for</p>
+     * @param item          <p>The item to be salvaged</p>
      * @return <p>The formatted cost</p>
      */
     @NotNull
-    public static String formatSalvageCost(@NotNull SalvageMethod salvageMethod) {
-        return economy.format(getSalvageCost(salvageMethod));
+    public static String formatSalvageCost(@NotNull SalvageMethod salvageMethod, @NotNull ItemStack item) {
+        return economy.format(getSalvageCost(salvageMethod, item));
+    }
+
+    /**
+     * Gets whether the given player has enough money to pay the given cost
+     * 
+     * @param player <p>The player to check</p>
+     * @param cost <p>The required cost</p>
+     * @return <p>True if the player has enough money to cover the cost</p>
+     */
+    public static boolean hasEnough(@NotNull Player player, double cost) {
+        return economy.getBalance(player) >= cost;
+    }
+
+    /**
+     * Formats a number as an economy cost
+     * 
+     * @param cost <p>The cost to format</p>
+     * @return <p>The formatted cost</p>
+     */
+    @NotNull
+    public static String format(double cost) {
+        return economy.format(cost);
     }
 
     /**
@@ -89,12 +114,13 @@ public class EconomyManager {
      * @param salvageMethod <p>The salvage method to get cost for</p>
      * @return <p>The salvage cost</p>
      */
-    private static double getSalvageCost(@NotNull SalvageMethod salvageMethod) {
+    private static double getSalvageCost(@NotNull SalvageMethod salvageMethod, @NotNull ItemStack item) {
         GlobalScrapperSettings settings = BlacksmithPlugin.getInstance().getGlobalScrapperSettings();
         return switch (salvageMethod) {
             case SALVAGE, EXTENDED_SALVAGE -> settings.getSalvageCost();
             case NETHERITE -> settings.getNetheriteSalvageCost();
             case ARMOR_TRIM -> settings.getArmorTrimSalvageCost();
+            case ENCHANTED_BOOK -> getEnchantedBookSalvageCost(item);
         };
     }
 
@@ -119,7 +145,7 @@ public class EconomyManager {
      * @param salvageMethod <p>The salvage method to withdraw for</p>
      */
     public static void withdrawScrapper(@NotNull Player player, @NotNull SalvageMethod salvageMethod) {
-        double cost = getSalvageCost(salvageMethod);
+        double cost = getSalvageCost(salvageMethod, player.getInventory().getItemInMainHand());
         if (cost > 0) {
             economy.withdrawPlayer(player, cost);
         }
@@ -183,6 +209,21 @@ public class EconomyManager {
         return price;
     }
 
+    /**
+     * Gets the cost of scrapping an enchanted book
+     *
+     * @param item <p>The enchanted book to calculate cost for</p>
+     * @return <p>The cost of scrapping the enchanted book</p>
+     */
+    private static double getEnchantedBookSalvageCost(@NotNull ItemStack item) {
+        GlobalScrapperSettings settings = BlacksmithPlugin.getInstance().getGlobalScrapperSettings();
+        double cost = settings.getEnchantedBookSalvageCost();
+        if (settings.multiplyEnchantedBookSalvageCost()) {
+            cost *= SalvageHelper.getEnchantmentCount(item) - 1;
+        }
+        return SalvageHelper.getEnchantmentCount(item) * cost;
+    }
+
     /**
      * Sets up Vault for economy
      *