Hbm-s-Nuclear-Tech-GIT/src/main/java/com/hbm/commands/CommandSatellites.java

package com.hbm.commands;

import com.hbm.items.ISatChip;
import com.hbm.items.ModItems;
import com.hbm.saveddata.SatelliteSavedData;
import com.hbm.saveddata.satellites.Satellite;
import net.minecraft.command.CommandBase;
import net.minecraft.command.ICommandSender;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.ChatComponentTranslation;
import net.minecraft.util.ChatStyle;
import net.minecraft.util.EnumChatFormatting;

import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.stream.Collectors;

public class CommandSatellites extends CommandBase {
    @Override
    public String getCommandName() {
        return "ntmsatellites";
    }

    @Override
    public String getCommandUsage(ICommandSender iCommandSender) {
        return String.format(Locale.US, 
                "%s/%s orbit %s- Launch the held satellite\n" +
                "%s/%s descend <frequency> %s- Deletes satellite by frequency.",
                EnumChatFormatting.GREEN, getCommandName(), EnumChatFormatting.LIGHT_PURPLE,
                EnumChatFormatting.GREEN, getCommandName(), EnumChatFormatting.LIGHT_PURPLE
        );
    }

    @Override
    public void processCommand(ICommandSender sender, String[] args) {
        if(!(sender instanceof EntityPlayer)) {
            sender.addChatMessage(new ChatComponentTranslation( "commands.satellite.should_be_run_as_player").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.RED)));
            return;
        }
        switch (args[0]) {
            case "orbit":
                EntityPlayer player = getCommandSenderAsPlayer(sender);
                if(player.getHeldItem().getItem() instanceof ISatChip && player.getHeldItem().getItem() != ModItems.sat_chip) {
                    Satellite.orbit(
                            player.worldObj,
                            Satellite.getIDFromItem(player.getHeldItem().getItem()),
                            ISatChip.getFreqS(player.getHeldItem()),
                            player.posX, player.posY, player.posZ
                    );
                    player.getHeldItem().stackSize -= 1;
                    sender.addChatMessage(new ChatComponentTranslation("commands.satellite.satellite_orbited").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.GREEN)));
                } else {
                    sender.addChatMessage(new ChatComponentTranslation("commands.satellite.not_a_satellite").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.RED)));
                }
                break;
            case "descend":
                int freq = parseInt(sender, args[1]);
                SatelliteSavedData data = SatelliteSavedData.getData(sender.getEntityWorld());
                if(data.sats.containsKey(freq)) {
                    data.sats.remove(freq);
                    data.markDirty();
                    sender.addChatMessage(new ChatComponentTranslation( "commands.satellite.satellite_descended").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.GREEN)));
                } else {
                    sender.addChatMessage(new ChatComponentTranslation( "commands.satellite.no_satellite").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.RED)));
                }
                break;
        }
    }

    @SuppressWarnings("rawtypes")
    @Override
    public List addTabCompletionOptions(ICommandSender sender, String[] args) {
        if(!(sender instanceof EntityPlayer)) {
            return Collections.emptyList();
        }
        if(args.length < 1) {
            return Collections.emptyList();
        }
        if(args.length == 1) {
            return getListOfStringsMatchingLastWord(args, "orbit", "descend");
        }
        if (args[0].equals("descend")) {
            return getListOfStringsFromIterableMatchingLastWord(args, SatelliteSavedData.getData(sender.getEntityWorld()).sats.keySet().stream().map(String::valueOf).collect(Collectors.toList()));
        }
        return Collections.emptyList();
    }
}