CmdPotionsEnable

package net.risenphoenix.jnk.Commands;

import java.util.ArrayList;

import net.risenphoenix.jnk.ExplodingArrows;
import net.risenphoenix.jnk.PlayerObject;

import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class CmdPotionsEnable {

    private final String potionList = "Valid Potion Types: BLINDNESS, CONFUSION, FAST_DIGGING, FIRE_RESISTANCE, HARM, " +
            "HEAL, HUNGER, INVISIBILITY, JUMP, NIGHT_VISION, POISON, REGENERATION, SLOW, SLOW_DIGGING, SPEED, " +
            "WATER_BREATHING, WEAKNESS, WITHER";

    public CmdPotionsEnable(CommandSender sender, String[] args) {
        execute(sender, args);
    }

    private void execute(CommandSender sender, String[] args) {
        PlayerObject po = ExplodingArrows.instance.getPlayerManager().getPlayerObject((Player) sender);

        if (args.length == 1) {
            if (po != null) {
                ExplodingArrows.tellSender(sender, "Potion Arrows set to: " + po.togglePotionArrows());
                clearConflictions(po);
                po.setEnabled(true);
            }

            return;
        }

        if (args.length == 2) {
            try {
                Integer value = Integer.parseInt(args[1]);

                if (value < ExplodingArrows.instance.getConfigurationManager().maxPotionTime && !sender.hasPermission("explodingarrows.potiontime.override") && !sender.isOp()) {
                    value = ExplodingArrows.instance.getConfigurationManager().maxPotionTime;
                } else if (value < 1) {
                    value = 1;
                }

                po.setPotionTime(value);

                ExplodingArrows.tellSender(sender, "Potion duration set to: " + args[1]);

                if (!po.usingPotionArrows()) po.togglePotionArrows();
                clearConflictions(po);
                po.setEnabled(true);

            } catch (NumberFormatException e) {
                if (isValidPotionType(args[1])) {
                    if (ExplodingArrows.instance.getConfigurationManager().isAllowedPotion(args[1]) || sender.hasPermission("explodingarrows.potionblacklist.override") || sender.isOp()) {
                        po.setPotionEffects(new String[]{ args[1].toUpperCase() });
                        ExplodingArrows.tellSender(sender, "Potion Type set to: " + args[1].toUpperCase());
                        if (!po.usingPotionArrows()) po.togglePotionArrows();
                        clearConflictions(po);
                        po.setEnabled(true);
                    } else {
                        ExplodingArrows.tellSender(sender, "You may not use that potion type.");
                    }
                } else {
                    ExplodingArrows.tellSender(sender, "That is not a valid integer or potion type");
                    ExplodingArrows.tellSender(sender, potionList);
                }
            }

            return;
        }

        if (args.length >= 3) {
            ArrayList<String> effects = new ArrayList<String>();

            if (ExplodingArrows.instance.getConfigurationManager().allowMultiPotions) {
                if (sender.hasPermission("explodingarrows.multiplepotions")) {
                    try {
                        Integer value = Integer.parseInt(args[1]);

                        if (value < ExplodingArrows.instance.getConfigurationManager().maxPotionTime && !sender.hasPermission("explodingarrows.potiontime.override") && !sender.isOp()) {
                            value = ExplodingArrows.instance.getConfigurationManager().maxPotionTime;
                        } else if (value < 1) {
                            value = 1;
                        }

                        po.setPotionTime(value);

                        ExplodingArrows.tellSender(sender, "Potion duration set to: " + args[1]);

                        if (!po.usingPotionArrows()) po.togglePotionArrows();
                        clearConflictions(po);
                        po.setEnabled(true);

                    } catch (NumberFormatException e) {
                        if (isValidPotionType(args[1])) {
                            if (ExplodingArrows.instance.getConfigurationManager().isAllowedPotion(args[1]) || sender.hasPermission("explodingarrows.potionblacklist.override") || sender.isOp()) {
                                effects.add(args[1].toUpperCase());
                            }
                        } else {
                            ExplodingArrows.tellSender(sender, "That is not a valid integer or potion type");
                            ExplodingArrows.tellSender(sender, potionList);
                            return;
                        }
                    }

                    for (int i = 2; i < args.length; i++) {
                        if (isValidPotionType(args[i]) && (ExplodingArrows.instance.getConfigurationManager().isAllowedPotion(args[i])  ||
                                sender.hasPermission("explodingarrows.potionblacklist.override") || sender.isOp())) effects.add(args[i].toUpperCase());
                    }

                    String[] effectsFinal = new String[effects.size()];
                    effectsFinal = effects.toArray(effectsFinal);
                    po.setPotionEffects(effectsFinal);

                    StringBuilder sb = new StringBuilder();
                    sb.append("Potion types set to: ");

                    for (int i = 0; i < effects.size(); i++) {
                        sb.append(effects.get(i));

                        if (i < effects.size() - 1) sb.append(", ");
                    }

                    ExplodingArrows.tellSender(sender, sb.toString());
                    if (!po.usingPotionArrows()) {
                        po.togglePotionArrows();
                        clearConflictions(po);
                    }

                    po.setEnabled(true);

                    return;
                } else {
                    ExplodingArrows.tellSender(sender, "You may not use multiple potions at once");
                }
            } else {
                ExplodingArrows.tellSender(sender, "Multi-potion arrows are not enabled on your server");
            }
        }
    }

    private boolean isValidPotionType(String arg) {
        return (arg.equalsIgnoreCase("BLINDNESS") || arg.equalsIgnoreCase("CONFUSION") || arg.equalsIgnoreCase("FAST_DIGGING") ||
                arg.equalsIgnoreCase("FIRE_RESISTANCE") || arg.equalsIgnoreCase("HARM") || arg.equalsIgnoreCase("HEAL") ||
                arg.equalsIgnoreCase("HUNGER") || arg.equalsIgnoreCase("INVISIBILITY") || arg.equalsIgnoreCase("JUMP") ||
                arg.equalsIgnoreCase("NIGHT_VISION") || arg.equalsIgnoreCase("POISON") || arg.equalsIgnoreCase("REGENERATION") ||
                arg.equalsIgnoreCase("SLOW") || arg.equalsIgnoreCase("SLOW_DIGGING") || arg.equalsIgnoreCase("SPEED") ||
                arg.equalsIgnoreCase("WATER_BREATHING") || arg.equalsIgnoreCase("WEAKNESS") || arg.equalsIgnoreCase("WITHER")) ? true : false;
    }

    private void clearConflictions(PlayerObject po) {
        po.setFireArrows(false);
        po.setFireworkArrows(false);
        po.setLightningArrows(false);
        po.setSpawningArrows(false);
    }
}