package xyz.etztech.qol.commands;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import xyz.etztech.qol.QoL;
import xyz.etztech.qol.EtzTechUtil;
import xyz.etztech.qol.Lang;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Date;

public class NameHistoryCommand implements CommandExecutor {


    QoL plugin;

    public NameHistoryCommand(QoL paramQoL)
    {
        this.plugin = paramQoL;
    }

    @Override
    public boolean onCommand(CommandSender commandSender, Command command, String s, String[] args) {
        if (!commandSender.hasPermission("qol.history")) {
            EtzTechUtil.sms(commandSender, Lang.NO_PERMISSION.getDef());
            return true;
        }
        if (args.length < 1) {
            EtzTechUtil.sms(commandSender, ChatColor.RED + "Please specify a username.");
            return true;
        }

        String uuid = EtzTechUtil.getUUID(args[0]);

        if (uuid == null) {
            EtzTechUtil.sms(commandSender, ChatColor.RED + "Could not get results from Mojang API. Make sure the name is spelled correctly.");
            return true;
        }

        try {
            Date changedToAt;
            JsonObject obj;
            InputStream response = new URL(EtzTechUtil.MOJANG_API + EtzTechUtil.path(EtzTechUtil.NAME_HISTORY_API, "uuid", uuid)).openStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(response));
            JsonArray jsonArray = new JsonParser().parse(reader.readLine()).getAsJsonArray();
            StringBuilder message = new StringBuilder(ChatColor.GOLD + "===== Name History Utility =====");
            for (JsonElement element : jsonArray) {
                obj = element.getAsJsonObject();
                message.append("\n" + ChatColor.GREEN + obj.get("name").getAsString());
                if (obj.get("changedToAt") != null) {
                    changedToAt = new Date(obj.get("changedToAt").getAsLong());
                    message.append(" (" + EtzTechUtil.formatDate(changedToAt) + ")");
                } else {
                    message.append(" (original)");
                }
            }
            EtzTechUtil.sms(commandSender, message.toString());
        } catch (IOException e) {
            EtzTechUtil.sms(commandSender, ChatColor.RED + "Mojang API returned nothing.");
        }


        return true;
    }
}