package com.pahimar.ee3.command;

import java.util.List;

import com.pahimar.ee3.api.blacklist.BlacklistRegistryProxy;
import com.pahimar.ee3.api.exchange.EnergyValue;
import com.pahimar.ee3.api.exchange.EnergyValueRegistryProxy;
import com.pahimar.ee3.exchange.EnergyValueRegistry;
import com.pahimar.ee3.exchange.WrappedStack;
import com.pahimar.ee3.network.PacketHandler;
import com.pahimar.ee3.network.message.MessageSetBlacklistEntry;
import com.pahimar.ee3.network.message.MessageSetEnergyValue;
import com.pahimar.ee3.reference.Messages;
import com.pahimar.ee3.reference.Names;
import net.minecraft.command.CommandBase;
import net.minecraft.command.ICommandSender;
import net.minecraft.command.WrongUsageException;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;

public class CommandSetEnergyValueCurrentItem extends CommandBase {
    @Override
    public String getCommandName() {
        return Names.Commands.SET_ENERGY_VALUE_CURRENT_ITEM;
    }

    @Override
    public int getRequiredPermissionLevel() {
        return 2;
    }

    @Override
    public String getCommandUsage(ICommandSender commandSender) {
        return Messages.Commands.SET_ENERGY_VALUE_CURRENT_ITEM_USAGE;
    }

    @Override
    public void processCommand(ICommandSender commandSender, String[] args) {
        if (args.length < 3) {
            throw new WrongUsageException(
                Messages.Commands.SET_ENERGY_VALUE_CURRENT_ITEM_USAGE
            );
        } else {
            float energyValue = 0;

            if (args.length >= 3) {
                energyValue = (float) parseDoubleWithMin(commandSender, args[2], 0);
            }

            ItemStack itemStack = ((EntityPlayer) commandSender).getCurrentEquippedItem();

            if (itemStack != null) {
                WrappedStack wrappedStack = WrappedStack.wrap(itemStack);
                EnergyValue newEnergyValue = new EnergyValue(energyValue);

                if (wrappedStack != null && newEnergyValue != null) {
                    if (Float.compare(newEnergyValue.getValue(), 0) > 0) {
                        if (args[1].equalsIgnoreCase("pre")) {
                            EnergyValueRegistryProxy.setEnergyValue(
                                wrappedStack,
                                newEnergyValue,
                                EnergyValueRegistryProxy.Phase.PRE_CALCULATION
                            );
                        } else if (args[1].equalsIgnoreCase("post")) {
                            EnergyValueRegistryProxy.setEnergyValue(
                                wrappedStack, newEnergyValue
                            );
                            PacketHandler.INSTANCE.sendToAll(
                                new MessageSetEnergyValue(wrappedStack, newEnergyValue)
                            );
                        } else {
                            throw new WrongUsageException(
                                Messages.Commands.SET_ENERGY_VALUE_CURRENT_ITEM_USAGE
                            );
                        }

                        // Notify admins and log the value change
                        func_152373_a(
                            commandSender,
                            this,
                            Messages.Commands.SET_ENERGY_VALUE_CURRENT_ITEM_SUCCESS,
                            new Object[] { commandSender.getCommandSenderName(),
                                           args[1],
                                           itemStack.func_151000_E(),
                                           newEnergyValue.getChatComponent() }
                        );
                    } else if (Float.compare(newEnergyValue.getValue(), 0) == 0) {
                        BlacklistRegistryProxy.setAsNotLearnable(wrappedStack);
                        BlacklistRegistryProxy.setAsNotExchangeable(wrappedStack);
                        // TODO Remove energy value from EnergyValueRegistry
                        // TODO Sync change with client
                        PacketHandler.INSTANCE.sendToAll(new MessageSetBlacklistEntry(
                            itemStack, BlacklistRegistryProxy.Blacklist.KNOWLEDGE
                        ));
                        PacketHandler.INSTANCE.sendToAll(new MessageSetBlacklistEntry(
                            itemStack, BlacklistRegistryProxy.Blacklist.EXCHANGE
                        ));
                        func_152373_a(
                            commandSender,
                            this,
                            "%s set %s as not learnable and not exchangeable",
                            new Object[] { commandSender.getCommandSenderName(),
                                           itemStack.func_151000_E() }
                        );
                    }
                } else {
                    throw new WrongUsageException(
                        Messages.Commands.SET_ENERGY_VALUE_CURRENT_ITEM_USAGE
                    );
                }

                EnergyValueRegistry.INSTANCE.save();
            } else {
                throw new WrongUsageException(Messages.Commands.NO_ITEM);
            }
        }
    }

    @Override
    public List addTabCompletionOptions(ICommandSender commandSender, String[] args) {
        if (args.length == 2) {
            return getListOfStringsMatchingLastWord(args, "pre", "post");
        }

        return null;
    }
}