package gq.unurled.raxen.commands.admin;

import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabExecutor;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.util.StringUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import static gq.unurled.raxen.utils.Items.customModelData;
import static gq.unurled.raxen.utils.Utils.*;
public class CustomModelDataCommand implements TabExecutor {

    /**
     * change custom model data of an item
     * @param sender  Source of the command 
     * @param command Command which was executed
     * @param label   Alias of the command which was used
     * @param args    Passed command arguments
     * @return
     */
    @Override
    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
        if (!(sender instanceof Player)) {
            errorConsoleSender(sender);
            return true;
        }
        Player p = (Player) sender;
        if (!(p.hasPermission("raxen.custommodeldata.cmd"))) {
            p.sendMessage(noPerms());
            return true;
        }
        ItemStack it = p.getInventory().getItemInMainHand();
        if (args.length == 0) {
            p.sendMessage(colorComp("<gold>Usage: /custommodeldata <model-data-value> <item-name></gold>"));
            return true;
        }
        if (!(isInt(args[0]))) {
            Material material = Material.getMaterial(args[1]);
            if (material != null) {
                it = customModelData(new ItemStack(material), Integer.parseInt(args[0]));
                p.getInventory().setItemInMainHand(it);
                p.updateInventory();
            } else {
                p.sendMessage(colorComp("<red>Please specify a valid Item Name or a valid Integer.</red>"));
            }
        } else {
            if (it != null && it.getType() != Material.AIR) { // check if player has an item in hand
                // has item in hand applying the custom model data
                it = customModelData(it, Integer.parseInt(args[0]));
                p.getInventory().setItemInMainHand(it);
                p.updateInventory();
            } else {
                p.sendMessage(colorComp("<red>Get an item in hand please or specify an item</red>"));
                p.sendMessage(colorComp("<gold>Usage: /custommodeldata <model-data-value> <item-name></gold>"));
            }
        }
        return true;
    }

    /**
     * @param sender  Source of the command.  For players tab-completing a 
     *                command inside of a command block, this will be the player, not
     *                the command block.
     * @param command Command which was executed
     * @param label   Alias of the command which was used
     * @param args    The arguments passed to the command, including final
     *                partial argument to be completed
     * @return
     */
    @Override
    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
        final List<String> completions = new ArrayList<>();

        List<String> SUB_COMMANDS= new ArrayList<>();

        if (!(isInt(args[0]))) {
            return Arrays.asList( "§c" + args[0]);
        }
        if (args.length == 2) {
            for (Material mat : Material.values()) {
                SUB_COMMANDS.add(mat.name());
            }
            StringUtil.copyPartialMatches(args[1], SUB_COMMANDS, completions);
            Collections.sort(completions);
        }
        return completions;
    }
}