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);
    }

}