Add farm, sleep and trade

5 files changed, 782 insertions, 0 deletions

diff --git a/src/main/java/net/uomc/mineshaft/farm/CompostCommand.java b/src/main/java/net/uomc/mineshaft/farm/CompostCommand.java
new file mode 100644
index 0000000..0da607d
--- /dev/null
+++ b/src/main/java/net/uomc/mineshaft/farm/CompostCommand.java
@@ -0,0 +1,136 @@
+package net.uomc.mineshaft.farm;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.atomic.AtomicLong;
+
+import com.mouldycheerio.dbot.commands.CommandDetails;
+import com.mouldycheerio.dbot.commands.cooldowns.CooldownCommand;
+import com.mouldycheerio.dbot.util.PeelingUtils;
+
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.uomc.mineshaft.Mineshaft;
+import net.uomc.mineshaft.MineshaftItem;
+
+public class CompostCommand extends CooldownCommand {
+
+    private static final Color COMMAND_COLOUR = PeelingUtils.hex2Rgb("#603a19");
+    private static final String COMMAND_IMAGE = "https://minecraft.wiki/images/Composter_JE1.png";
+    public static final int COMPOST_LEVEL = 7;
+    private static final String COMMAND_TITLE = "Composter";
+
+    Mineshaft bot;
+    List<MineshaftItem> compostable;
+
+    public CompostCommand(Mineshaft bot) {
+        super(bot);
+        setCommandDetails(CommandDetails.from("compost,compostor,composter", "access your compostor", "farm"));
+
+        setCooldown(1000l * 30l);
+
+        compostable = new ArrayList<>();
+        compostable.add(MineshaftItem.CARROT);
+        compostable.add(MineshaftItem.FISH);
+        compostable.add(MineshaftItem.POTATO);
+        compostable.add(MineshaftItem.CANE);
+
+        this.bot = bot;
+    }
+
+    @Override
+    public boolean trigger(MessageReceivedEvent e) {
+        long composters = bot.getItem(e.getMember(), MineshaftItem.COMPOSTER);
+        String[] args = e.getMessage().getContentRaw().split("\\s+");
+
+        if (composters < 1) {
+            bot.sendErrorMessage(e, ":x: You need to have at least **"
+                    + bot.getItem(MineshaftItem.COMPOSTER).prettyValue(1)
+                    + "** to use this!");
+            return false;
+        }
+
+        if (args.length > 1) {
+            List<String> argList = Arrays.asList(Arrays.copyOfRange(args, 1, args.length));
+
+            return compost(e, argList, composters);
+        }
+
+        StringBuilder description = new StringBuilder();
+        description.append(String.format("This is your compostor, level `%s`.\nUse `%scompost [item]` to compost your items\n\n", composters, bot.getPrefixManager().getPrefix(e.getGuild()), bot.getPrefixManager().getPrefix(e.getGuild())));
+
+        AtomicLong amount = new AtomicLong();
+        compostable.forEach(i -> {
+            long q = bot.getItem(e.getMember(), i);
+            if (q < 1) {
+                return;
+            }
+
+            long itemAmount = getMaxCompostable(e.getMember(), composters, i);
+            long bonemealAmount = (long) (itemAmount / COMPOST_LEVEL);
+
+            description.append(String.format("%s->%s\n", bot.getItem(i).prettyValue(itemAmount), bot.getItem(MineshaftItem.BONEMEAL).prettyValue(bonemealAmount)));
+        });
+
+        if (amount.get() == 0) {
+            description.append("*You have nothing that can be composted*");
+        }
+
+        EmbedBuilder em = new EmbedBuilder();
+        em.setTitle(COMMAND_TITLE);
+        em.setDescription(description);
+        em.setColor(COMMAND_COLOUR);
+        em.setThumbnail(COMMAND_IMAGE);
+
+        e.getMessage().replyEmbeds(em.build()).queue();
+        return false;
+    }
+
+    private boolean compost(MessageReceivedEvent e, List<String> argList, long composters) {
+        Optional<String> resourceName = argList.stream().findFirst();
+        if (resourceName.isEmpty())
+            return false;
+
+        MineshaftItem item = MineshaftItem.valueOf(resourceName.get().toUpperCase());
+        if (item == null) {
+            bot.sendErrorMessage(e, ":x: Please provide a valid item! `m!compost [item]`");
+            return false;
+        }
+
+        if (!compostable.contains(item)) {
+            bot.sendErrorMessage(e, ":x: This item cannot be composted");
+            return false;
+        }
+
+        long itemAmount = getMaxCompostable(e.getMember(), composters, item);
+
+        // should never happen technically
+        if (itemAmount > bot.getItem(item).get(e.getMember())) {
+            bot.sendErrorMessage(e, ":x: You dont have enough " + bot.getItem(item).getSymbol());
+            return true;
+        }
+
+        long bonemealAmount = (long) (itemAmount / COMPOST_LEVEL);
+
+        bot.removeItem(e.getMember(), item, itemAmount);
+        bot.addItem(e.getMember(), MineshaftItem.BONEMEAL, bonemealAmount);
+
+        String content = String.format(":white_check_mark: You turned %s into %s", bot.getItem(item).prettyValue(itemAmount), bot.getItem(MineshaftItem.BONEMEAL).prettyValue(bonemealAmount));
+        if (bot.getPickaxes().getFarmLevel(e.getMember()) < 1) {
+            content += "\nUse your bonemeal to expand your `m!farm`";
+        }
+        bot.sendSuccessMessage(e, content);
+
+        return true;
+
+    }
+
+    public long getMaxCompostable(Member m, long composters, MineshaftItem i) {
+        return Math.min(bot.getItem(m, i), composters*COMPOST_LEVEL);
+    }
+
+}
diff --git a/src/main/java/net/uomc/mineshaft/farm/Crop.java b/src/main/java/net/uomc/mineshaft/farm/Crop.java
new file mode 100644
index 0000000..7418fee
--- /dev/null
+++ b/src/main/java/net/uomc/mineshaft/farm/Crop.java
@@ -0,0 +1,21 @@
+package net.uomc.mineshaft.farm;
+
+import net.uomc.mineshaft.MineshaftItem;
+
+public enum Crop {
+    CANE(new String[]{ "<:cane_crop1:1426729699455012995>", "<:cane_crop2:1426729697999327242>", " <:cane_crop3:1426729696812601524>" }),
+    POTATO(new String[]{"<:potato_crop1:1426727443837878374>", "<:potato_crop2:1426727441816358983>", "<:potato_crop3:1426727440641953944>"}),
+    CARROT(new String[]{"<:carrot_crop1:1426727275511939174>", "<:carrot_crop2:1426727274270687382>", "<:carrot_crop3:1426727272471068888>"})
+    ;
+
+    private String[] emoji;
+
+    Crop(String[] emoji) {
+        this.emoji = emoji;
+        MineshaftItem.valueOf(this.toString());
+    }
+
+    String[] getEmoji() {
+        return emoji;
+    }
+}
diff --git a/src/main/java/net/uomc/mineshaft/farm/Farm.java b/src/main/java/net/uomc/mineshaft/farm/Farm.java
new file mode 100644
index 0000000..d990216
--- /dev/null
+++ b/src/main/java/net/uomc/mineshaft/farm/Farm.java
@@ -0,0 +1,109 @@
+package net.uomc.mineshaft.farm;
+
+import java.io.File;
+import java.sql.SQLException;
+
+import com.mouldycheerio.dbot.util.DatabaseUtils;
+
+import net.dv8tion.jda.api.entities.Member;
+import net.uomc.mineshaft.Mineshaft;
+import net.uomc.mineshaft.MineshaftItem;
+
+class Farm{
+
+    private MineshaftItem item;
+
+    private String farmsDbPath;
+    private Mineshaft bot;
+
+    public Farm(Mineshaft bot, MineshaftItem item) {
+        this.item = item;
+        this.farmsDbPath = (new File(bot.getDatadir(), "farms.db")).getPath();
+        this.bot = bot;
+
+        initDB();
+    }
+
+    private void initDB() {
+        try {
+            DatabaseUtils.createSimpleKVtable(farmsDbPath, item.toString() + "_access");
+        } catch (SQLException e) {
+        }
+        try {
+            DatabaseUtils.createSimpleKVtable(farmsDbPath, item.toString() + "_planted");
+        } catch (SQLException e) {
+        }
+        try {
+            DatabaseUtils.createSimpleKVtable(farmsDbPath, item.toString());
+        } catch (SQLException e) {
+        }
+    }
+
+    public void setPlanted(Member member, long value) {
+        try {
+            DatabaseUtils.putInKVtable(farmsDbPath, item.toString() + "_planted", member.getId() + ":" + member.getGuild().getId(), value);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public long getPlanted(Member member) {
+        try {
+            return DatabaseUtils.getInKVtable(farmsDbPath, item.toString() + "_planted", member.getId() + ":" + member.getGuild().getId());
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return 0l;
+    }
+
+    public void setQuantity(Member member, long value) {
+        try {
+            DatabaseUtils.putInKVtable(farmsDbPath, item.toString(), member.getId() + ":" + member.getGuild().getId(), value);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public long getQuantity(Member member) {
+        try {
+            return DatabaseUtils.getInKVtable(farmsDbPath, item.toString(), member.getId() + ":" + member.getGuild().getId());
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return 0l;
+    }
+
+    public void setNextUpdate(Member member, long value) {
+        try {
+            DatabaseUtils.putInKVtable(farmsDbPath, item.toString() + "_access", member.getId() + ":" + member.getGuild().getId(), value);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public long getNextUpdate(Member member) {
+        try {
+            return DatabaseUtils.getInKVtable(farmsDbPath, item.toString() + "_access", member.getId() + ":" + member.getGuild().getId());
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+        return 0l;
+    }
+
+    public void incrementPlanted(Member member, long d) {
+        long q = getPlanted(member);
+
+        setPlanted(member, q + d);
+    }
+
+    public long extractAll(Member member) {
+        long q = getQuantity(member);
+
+        bot.addItem(member, item, q);
+        return q;
+    }
+
+    public MineshaftItem getItem() {
+        return item;
+    }
+}
diff --git a/src/main/java/net/uomc/mineshaft/farm/FarmCommand.java b/src/main/java/net/uomc/mineshaft/farm/FarmCommand.java
new file mode 100644
index 0000000..43b7576
--- /dev/null
+++ b/src/main/java/net/uomc/mineshaft/farm/FarmCommand.java
@@ -0,0 +1,277 @@
+package net.uomc.mineshaft.farm;
+
+import static java.util.stream.Collectors.toMap;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.stream.IntStream;
+
+import com.mouldycheerio.dbot.CustomBot;
+import com.mouldycheerio.dbot.commands.CommandDetails;
+import com.mouldycheerio.dbot.commands.CommandFail;
+import com.mouldycheerio.dbot.commands.DetailedCommand;
+import com.mouldycheerio.dbot.util.PeelingUtils;
+import com.vdurmont.emoji.EmojiParser;
+
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.uomc.mineshaft.Mineshaft;
+import net.uomc.mineshaft.MineshaftItem;
+
+public class FarmCommand extends DetailedCommand {
+
+    private static final Color COMMAND_COLOUR = PeelingUtils.hex2Rgb("#589430");
+    public static final long TIME_BETWEEN_UPDATES = 1000l * 60l * 10l;
+    public static final int MAX_CROP_LEVEL = 2;
+    private static final String COMMAND_TITLE = "Farm";
+    public static final long XP_PER_ITEM = 5000l;
+
+    Mineshaft bot;
+    List<Farm> farms;
+
+    public FarmCommand(Mineshaft bot) {
+        setCommandDetails(CommandDetails.from("farm", "access your farm", "farm"));
+        this.bot = bot;
+
+        farms = new ArrayList<>();
+        farms.add(new Farm(bot, MineshaftItem.CANE));
+        farms.add(new Farm(bot, MineshaftItem.CARROT));
+        farms.add(new Farm(bot, MineshaftItem.POTATO));
+    }
+
+    @Override
+    public void execute(MessageReceivedEvent e, CustomBot b, String[] args) throws CommandFail {
+        List<String> argList = Arrays.asList(args);
+
+        if (bot.getPickaxes().isNether(e.getMember())) {
+            bot.sendErrorMessage(e, ":x: You cannot access your farm from the nether");
+            return;
+        }
+        update(e.getMember());
+
+        if (args.length > 0 && "harvest".equalsIgnoreCase(args[0])) {
+            harvest(e, args);
+            return;
+        }
+
+        if (args.length > 0 && "expand".equalsIgnoreCase(args[0])) {
+            expand(e, argList);
+            return;
+        }
+
+        if (args.length > 0 && "plant".equalsIgnoreCase(args[0])) {
+            if (!plant(e, argList))
+                bot.sendErrorMessage(e, String.format(":x: Usage `%sfarm plant [amount] [carrot|potato|cane]`", bot.getPrefixManager().getPrefix(e.getGuild())));
+            return;
+        }
+
+        long farmLevel = bot.getPickaxes().getFarmLevel(e.getMember());
+        StringBuilder description = new StringBuilder();
+        description.append(String.format("This is your farm.\nUse `%sfarm plant [carrot|potato|cane] [amount]` to plant\nUse `%sfarm harvest` to harvest your crops\nUse %s to expand your farm with `%sfarm expand`\n\n",
+                    bot.getPrefixManager().getPrefix(e.getGuild()),
+                    bot.getPrefixManager().getPrefix(e.getGuild()),
+                    bot.getItem(MineshaftItem.BONEMEAL).getSymbol(),
+                    bot.getPrefixManager().getPrefix(e.getGuild())));
+
+        description.append(String.format("Your farm current can currently hold `%s` crops\n\n", PeelingUtils.amountToString(farmLevel)));
+
+        AtomicLong amount = new AtomicLong();
+        farms.forEach(farm -> {
+            long level = Math.min(farm.getQuantity(e.getMember()), MAX_CROP_LEVEL);
+            long planted = farm.getPlanted(e.getMember());
+            amount.addAndGet(planted);
+
+            String emoji = getCropEmoji(farm.getItem(), (int) level);
+
+            if (planted < 1)
+            return;
+
+            IntStream.range(0, (int) Math.min(planted,12)).forEach(i -> {
+                description.append(emoji);
+            });
+
+            description.append(String.format("(%sx%s)\n", bot.getItem(farm.getItem()).getSymbol(), planted));
+        });
+
+        if (amount.get() == 0) {
+            description.append("*You have no crops*");
+        }
+
+        EmbedBuilder em = new EmbedBuilder();
+        em.setTitle(COMMAND_TITLE);
+        em.setDescription(description);
+        em.setColor(COMMAND_COLOUR);
+
+        if (farmLevel == 0) {
+            em.setFooter(EmojiParser.parseToUnicode(":bulb:") +"Use bonemeal to expand your farm with m!farm expand");
+        }
+
+        e.getMessage().replyEmbeds(em.build()).queue();
+    }
+
+    private boolean expand(MessageReceivedEvent e, List<String> args) {
+        MineshaftItem item = MineshaftItem.BONEMEAL;
+
+        long q = getItemAmountFromArgs(e, args, item);
+        if (q > bot.getItem(e.getMember(), item) || q < 1) {
+            bot.sendErrorMessage(e, ":x: You do not have enough " + bot.getItem(item).getSymbol());
+            return false;
+        }
+
+        bot.removeItem(e.getMember(), item, q);
+        long farmLevel = bot.getPickaxes().getFarmLevel(e.getMember());
+        bot.getPickaxes().setFarmLevel(e.getMember(), farmLevel + q);
+        farmLevel = bot.getPickaxes().getFarmLevel(e.getMember());
+
+        bot.sendSuccessMessage(e, ":white_check_mark: You expanded your farm. Now it can hold " + farmLevel + " crops");
+        return true;
+    }
+
+    private long getItemAmountFromArgs(MessageReceivedEvent e, List<String> args, MineshaftItem item) {
+        Optional<String> all = args.stream().filter(s -> s.equals("all")).findFirst();
+        if (all.isEmpty()) {
+            Optional<Long> quantity = args.stream().filter(s -> PeelingUtils.isLong(s)).map(s -> Long.parseLong(s)).findFirst();
+            if (quantity.isPresent())
+                return Math.abs(quantity.get());
+        }
+
+        return bot.getItem(item).get(e.getMember());
+    }
+
+    public String getCropEmoji(MineshaftItem item, int level) {
+        return Crop.valueOf(item.toString().toUpperCase()).getEmoji()[(int)Math.max(0, Math.min(2, level))];
+    }
+
+    public void update(Member m) {
+        farms.forEach(farm -> {
+            update(farm, m);
+        });
+    }
+
+    public void update(Farm farm, Member m) {
+        long next = farm.getNextUpdate(m);
+        long now = System.currentTimeMillis();
+        if (next == 0) {
+            next = now;
+        }
+
+        if (next > now)
+            return;
+
+        long since = now - next;
+        long updates = since / TIME_BETWEEN_UPDATES;
+
+        farm.setQuantity(m, Math.min(farm.getQuantity(m) + updates, MAX_CROP_LEVEL));
+        farm.setNextUpdate(m, next + TIME_BETWEEN_UPDATES*updates);
+    }
+
+    public void harvest(MessageReceivedEvent e, String[] args) {
+        Map<MineshaftItem, Long> award  = new HashMap<>();
+        AtomicLong total = new AtomicLong();
+        farms.forEach( f -> {
+            long amount = harvest(f, e.getMember());
+            total.addAndGet(amount);
+            if (amount > 0)
+                award.put(f.getItem(), amount);
+        });
+
+        String description = String.format("You harvested your crops: %s\nDon't forget to replant your farm!", bot.createItemList(award, "+%s", ","));
+
+        if (total.get() == 0) {
+            bot.sendErrorMessage(e, ":x: You have no crops!");
+            return;
+        }
+
+        EmbedBuilder em = new EmbedBuilder();
+        em.setTitle(COMMAND_TITLE);
+        em.setDescription(description);
+        em.setColor(COMMAND_COLOUR);
+
+        e.getMessage().replyEmbeds(em.build()).queue();
+    }
+
+    public boolean plant(MessageReceivedEvent e, List<String> args) {
+        if (args.size() > 3)
+            return false;
+
+        Optional<String> resourceName = args.stream().filter(s -> !s.equalsIgnoreCase("all") && !s.equalsIgnoreCase("plant") && !PeelingUtils.isLong(s)).findFirst();
+        if (resourceName.isEmpty())
+            return false;
+
+        MineshaftItem item = MineshaftItem.valueOf(resourceName.get().toUpperCase());
+        if (item == null) {
+            bot.sendErrorMessage(e, ":x: Please provide a valid item!");
+            return true;
+        }
+
+        long q = 0;
+        Optional<String> all = args.stream().filter(s -> s.equals("all")).findFirst();
+        if (all.isEmpty()) {
+            Optional<Long> quantity = args.stream().filter(s -> PeelingUtils.isLong(s)).map(s -> Long.parseLong(s)).findFirst();
+            if (quantity.isEmpty())
+                return false;
+
+            q = Math.abs(quantity.get());
+        } else {
+            q = bot.getItem(item).get(e.getMember());
+        }
+
+
+        Optional<Farm> farm = farms.stream().filter(f -> f.getItem() == item).findFirst();
+        if (farm.isEmpty()) {
+            bot.sendErrorMessage(e, ":x: This item cannot be planted");
+            return true;
+        }
+
+        if (q > bot.getItem(item).get(e.getMember())) {
+            bot.sendErrorMessage(e, ":x: You dont have enough " + bot.getItem(item).getSymbol());
+            return true;
+        }
+
+        long planted = plant(farm.get(), e.getMember(), q);
+        if (planted > 0)
+            bot.sendSuccessMessage(e, String.format("You planted %s in your farm", bot.getItem(item).prettyValue(planted)));
+        else
+            bot.sendErrorMessage(e, ":x: You have no more space in your farm!\n Expand with `m!farm expand [amount]`");
+        return true;
+    }
+
+    public long harvest(Farm farm, Member member) {
+        long toGive = ((1+farm.getQuantity(member))) * farm.getPlanted(member);
+        farm.setQuantity(member, 0);
+        farm.setPlanted(member, 0);
+
+        bot.addItem(member, farm.getItem(), toGive);
+        bot.addItem(member, MineshaftItem.XP, (long) (Math.random() * XP_PER_ITEM * toGive));
+        return toGive;
+    }
+
+    public long plant(Farm farm, Member member, long amount) {
+        long farmLevel = bot.getPickaxes().getFarmLevel(member);
+        long totalPlanted = getTotalPlanted(member);
+        if (totalPlanted + amount > farmLevel) {
+            amount = farmLevel - totalPlanted;
+        }
+
+        if (amount <= 0) {
+            return 0;
+        }
+
+        farm.incrementPlanted(member, amount);
+        farm.setQuantity(member, 0);
+
+        bot.removeItem(member, farm.getItem(), amount);
+        return amount;
+    }
+
+    public long getTotalPlanted(Member m) {
+        return farms.stream().mapToLong(f -> f.getPlanted(m)).sum();
+    }
+}
diff --git a/src/main/java/net/uomc/mineshaft/farm/TradeCommand.java b/src/main/java/net/uomc/mineshaft/farm/TradeCommand.java
new file mode 100644
index 0000000..f512afe
--- /dev/null
+++ b/src/main/java/net/uomc/mineshaft/farm/TradeCommand.java
@@ -0,0 +1,239 @@
+package net.uomc.mineshaft.farm;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Consumer;
+
+import com.mouldycheerio.dbot.commands.CommandDetails;
+import com.mouldycheerio.dbot.commands.cooldowns.CooldownCommand;
+import com.mouldycheerio.dbot.util.EventWaiter;
+import com.mouldycheerio.dbot.util.PeelingUtils;
+import com.vdurmont.emoji.EmojiParser;
+
+import net.dv8tion.jda.api.EmbedBuilder;
+import net.dv8tion.jda.api.entities.Member;
+import net.dv8tion.jda.api.entities.Message;
+import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
+import net.dv8tion.jda.api.entities.emoji.Emoji;
+import net.dv8tion.jda.api.entities.emoji.UnicodeEmoji;
+import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
+import net.dv8tion.jda.api.events.message.react.MessageReactionAddEvent;
+import net.uomc.mineshaft.Mineshaft;
+import net.uomc.mineshaft.MineshaftItem;
+import net.uomc.mineshaft.resources.Resource;
+
+public class TradeCommand extends CooldownCommand {
+
+    private static final UnicodeEmoji EXCLAIM = Emoji.fromUnicode(EmojiParser.parseToUnicode(":grey_exclamation:"));
+    private static final UnicodeEmoji YES = Emoji.fromUnicode(EmojiParser.parseToUnicode(":white_check_mark:"));
+    private static final UnicodeEmoji NO = Emoji.fromUnicode(EmojiParser.parseToUnicode(":x:"));
+    private static final Color COMMAND_COLOR = PeelingUtils.hex2Rgb("#375482");
+    private static final String COMMAND_IMAGE = "https://minecraft.wiki/images/thumb/Wandering_Trader_JE1_BE1.png/270px-Wandering_Trader_JE1_BE1.png?62e9e";
+    private static final String COMMAND_TITLE = "A wandering trader has spawned";
+    private static final String ACCEPT_STRING = "accept";
+    private static final double VALUE_MULTIPLIER = 1.1;
+    private static final double NEW_ITEM_ITEM_VALUE = 0.3;
+    private static final long TRADE_DURATION_SECONDS = 90;
+
+    private static final double MAX_AMOUNT_PERCENT = 0.2;
+
+    public static MineshaftItem[] traderItems = {
+        MineshaftItem.CARROT,
+        MineshaftItem.CANE,
+        MineshaftItem.POTATO,
+        MineshaftItem.BOOK,
+        MineshaftItem.LAPIS,
+        MineshaftItem.COAL,
+    };
+
+    public static MineshaftItem[] buyingItems = {
+        MineshaftItem.CARROT,
+        MineshaftItem.CANE,
+        MineshaftItem.POTATO
+    };
+
+    Mineshaft bot;
+
+    public TradeCommand(Mineshaft bot) {
+        super(bot);
+        setCommandDetails(CommandDetails.from("trade,trader,wanderingtrader", "trade with the wandering trader", "trade"));
+        this.bot = bot;
+
+        setCooldown(90l * 60l * 1000l);
+    }
+
+
+    @Override
+    public boolean trigger(MessageReceivedEvent e) {
+
+        long villagers = bot.getItem(e.getMember(), MineshaftItem.VILLAGER);
+
+        if (villagers < 1) {
+            bot.sendErrorMessage(e, ":x: You need to have at least **"
+                    + bot.getItem(MineshaftItem.VILLAGER).prettyValue(1)
+                    + "** to use this!");
+            return false;
+        }
+
+        String description = "The trader has a deal for you:\n\n";
+
+        MineshaftItem trade = newTrade();
+        boolean inverse = isInverseTrade(e.getMember(), trade);
+
+        MineshaftItem giveItem;
+        MineshaftItem getItem;
+
+        if (inverse) {
+            giveItem = trade;
+            getItem = MineshaftItem.EMERALD;
+        } else {
+            getItem = trade;
+            giveItem = MineshaftItem.EMERALD;
+        }
+
+        long q = getTradeQuantity(e.getMember(), getItem);
+        long p = getPrice(giveItem, getItem, q);
+
+        long userGive = bot.getItem(e.getMember(), giveItem);
+        long userGet = bot.getItem(e.getMember(), getItem);
+
+        description += String.format("**%s**->**%s**", bot.getItem(giveItem).prettyValue(p), bot.getItem(getItem).prettyValue(q));
+
+        description += String.format(
+                "\n\n:warning:Warning this offer expires in %s and you will need to wait `%s` before trading again",
+                PeelingUtils.formatTimeRelativeFromNow(TRADE_DURATION_SECONDS * 1000l),
+                PeelingUtils.formatTime(getCooldown(), false)
+                );
+
+        description += String.format("\n\nYou have **%s**", bot.getItem(giveItem).prettyValue(userGive));
+        if (userGet > 0) {
+            description += String.format(", **%s**", bot.getItem(getItem).prettyValue(userGet));
+        }
+
+        EmbedBuilder em = new EmbedBuilder();
+        em.setTitle(COMMAND_TITLE);
+        em.setDescription(description);
+        em.setThumbnail(COMMAND_IMAGE);
+        em.setColor(COMMAND_COLOR);
+
+        e.getMessage().replyEmbeds(em.build()).queue(m -> {
+            m.addReaction(YES).queue(m1 -> {
+                m.addReaction(NO).queue(m2 -> {
+                    EventWaiter eventWaiter = new EventWaiter();
+                    e.getMessage().getJDA().addEventListener(eventWaiter);
+
+                    eventWaiter.waitForEvent(MessageReactionAddEvent.class,
+                            e1 -> {
+                                if (!e1.getMessageId().equals(m.getId()))
+                                    return false;
+
+                                if (!e1.getMember().getId().equals(e.getMember().getId()))
+                                    return false;
+
+
+                                if (e1.getEmoji().asUnicode().getFormatted().equals(YES.getFormatted()))
+                                    return true;
+
+                                if (e1.getEmoji().asUnicode().getFormatted().equals(NO.getFormatted()))
+                                    return true;
+
+                                return false;
+                            }, e1 -> {
+                                if (e1.getEmoji().asUnicode().getFormatted().equals(YES.getFormatted())) {
+                                    acceptTrade(e.getMember(), giveItem, getItem, q, p, m);
+                                } else {
+                                    m.delete().queue();
+                                }
+                            }, TRADE_DURATION_SECONDS, TimeUnit.SECONDS, () -> {
+                                m.delete().queue();
+                            });
+                });
+            });
+
+        });
+
+        e.getMessage().addReaction(EXCLAIM).queue();
+        return true;
+    }
+
+    private void acceptTrade(Member member, MineshaftItem giveItem, MineshaftItem getItem, long quantity, long price, Message message) {
+        String description = "";
+        long userGive = bot.getItem(member, giveItem);
+
+        if (userGive >= price) {
+            bot.removeItem(member, giveItem, price);
+            bot.addItem(member, getItem, quantity);
+
+            description = String.format("You accepted the trade! +**%s**, -**%s**", bot.getItem(getItem).prettyValue(quantity), bot.getItem(giveItem).prettyValue(price));
+        } else {
+            description = String.format("You don't have enough! You have **%s**", bot.getItem(giveItem).prettyValue(userGive));
+        }
+
+        description += "\nThe trader leaves, for now...";
+
+        EmbedBuilder em = new EmbedBuilder();
+        em.setTitle(COMMAND_TITLE);
+        em.setDescription(description);
+        em.setThumbnail(COMMAND_IMAGE);
+        em.setColor(COMMAND_COLOR);
+
+        message.clearReactions().queue(m -> {
+            message.editMessageEmbeds(em.build()).queue(m2 -> {
+                //m2.delete().queueAfter(10, TimeUnit.SECONDS);
+            });
+        });
+    }
+
+    public void cleanup(MessageChannel channel, Message message) {
+        message.delete().queue(a -> {}, x -> {});
+
+        channel.getHistoryAfter(message, 100).queueAfter(5, TimeUnit.SECONDS, h -> {
+            ArrayList<Message> msgs = new ArrayList<Message>();
+            h.getRetrievedHistory().forEach(m -> {
+                if (m.getContentRaw().equalsIgnoreCase(ACCEPT_STRING)) {
+                    msgs.add(m);
+                }
+            });
+            PeelingUtils.bulkDelte(channel, msgs);
+        });
+        ;
+    }
+
+
+    public MineshaftItem newTrade() {
+        return traderItems[(int) (traderItems.length * Math.random())];
+    }
+
+    public long getTradeQuantity(Member m, MineshaftItem item) {
+        return (long) ((Math.random() * MAX_AMOUNT_PERCENT * bot.getItem(m, item)) + 1);
+    }
+
+    public long getPrice(MineshaftItem giveItem, MineshaftItem getItem, long quantity) {
+        long giveValue = bot.getItem(giveItem).getValue();
+        if (giveValue <= 0) {
+            giveValue = (long) (bot.getResourceManager().getTotalResources() * NEW_ITEM_ITEM_VALUE * Math.random());
+        }
+
+        long getValue = bot.getItem(getItem).getValue();
+        if (getValue <= 0) {
+            getValue = (long) (bot.getResourceManager().getTotalResources() * NEW_ITEM_ITEM_VALUE * Math.random());
+        }
+
+        return (long) (quantity * getValue * VALUE_MULTIPLIER / giveValue) + 1;
+    }
+
+    public boolean isInverseTrade(Member member, MineshaftItem item) {
+        boolean isBuying = false;
+        for (int i = 0; i < buyingItems.length; i++) {
+            if (buyingItems[i] == item) {
+                isBuying = true;
+                break;
+            }
+        }
+        if (isBuying)
+            return bot.getItem(member, item) > 0;
+
+        return false;
+    }
+}