package dev.loki.command;

import dev.loki.mdbd;
import org.bukkit.Location;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabExecutor;
import org.bukkit.entity.Player;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Arrays;
import java.util.List;

public class DBDAdminCommand implements TabExecutor {

    private final mdbd plugin;

    public DBDAdminCommand(mdbd plugin) {
        this.plugin = plugin;
    }

    @Override
    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command,
                             @NotNull String label, @NotNull String[] args) {
        var messages = plugin.getConfigManager().getMessages();

        if (!sender.hasPermission("mdbd.admin")) {
            sender.sendMessage(messages.get("cmd.no-permission"));
            return true;
        }

        if (!(sender instanceof Player player)) {
            sender.sendMessage(messages.get("cmd.players-only"));
            return true;
        }

        if (args.length == 0) {
            sendUsage(sender);
            return true;
        }

        return switch (args[0].toLowerCase()) {
            case "list" -> handleList(player, args);
            case "world" -> handleWorld(player, args);
            case "repairgens" -> handleRepairGens(player);
            default -> {
                sendUsage(sender);
                yield true;
            }
        };
    }

    private boolean handleList(Player player, String[] args) {
        var locations = plugin.getConfigManager().getLocations();

        // Если указан конкретный тип
        if (args.length >= 2) {
            return switch (args[1].toLowerCase()) {
                case "generator" -> listType(player, "Генераторы", locations.getGenerators());
                case "computer" -> listType(player, "Компьютеры", plugin.getComputerData().getComputers());
                case "hook" -> listType(player, "Крюки", locations.getHooks());
                case "chest" -> listType(player, "Сундуки", locations.getChests());
                case "killer-spawn", "killerspawn" -> listType(player, "Спавн киллера", locations.getKillerSpawns());
                case "survivor-spawn", "survivorspawn" -> listType(player, "Спавн выживших", locations.getSurvivorSpawns());
                default -> {
                    player.sendMessage(plugin.getConfigManager().getMessages().get("dbdadmin.unknown-type", args[1]));
                    yield true;
                }
            };
        }

        // Показать всё
        player.sendMessage(plugin.getConfigManager().getMessages().get("dbdadmin-list.header"));

        listType(player, "Генераторы", locations.getGenerators());
        listType(player, "Компьютеры", plugin.getComputerData().getComputers());
        listType(player, "Крюки", locations.getHooks());
        listType(player, "Сундуки", locations.getChests());
        listType(player, "Спавн киллера", locations.getKillerSpawns());
        listType(player, "Спавн выживших", locations.getSurvivorSpawns());

        return true;
    }

    private boolean listType(Player player, String label, List<Location> locations) {
        var messages = plugin.getConfigManager().getMessages();
        if (locations.isEmpty()) {
            player.sendMessage(messages.get("dbdadmin-list.none", label));
            return true;
        }
        player.sendMessage(messages.get("dbdadmin-list.count", label, locations.size()));
        for (int i = 0; i < locations.size(); i++) {
            Location loc = locations.get(i);
            player.sendMessage(messages.get("dbdadmin-list.entry",
                i + 1, loc.getWorld().getName(), loc.getX(), loc.getY(), loc.getZ()
            ));
        }
        return true;
    }

    private boolean handleWorld(Player player, String[] args) {
        if (args.length < 2) {
            player.sendMessage(plugin.getConfigManager().getMessages().get("dbdadmin-list.world-usage"));
            return true;
        }

        String worldArg = args[1].toLowerCase();
        org.bukkit.World target;

        if (worldArg.equals("game")) {
            target = plugin.getLobbyManager().getGameWorld();
            if (target == null) {
                player.sendMessage(plugin.getConfigManager().getMessages().get("dbdadmin-list.world-not-found"));
                return true;
            }
        } else {
            target = org.bukkit.Bukkit.getWorld(args[1]);
            if (target == null) {
                player.sendMessage(plugin.getConfigManager().getMessages().get("dbdadmin-list.world-not-exist", args[1]));
                return true;
            }
        }

        player.teleport(target.getSpawnLocation());
        player.sendMessage(plugin.getConfigManager().getMessages().get("dbdadmin-list.world-teleport", target.getName()));
        return true;
    }

    private boolean handleRepairGens(Player player) {
        var gameManager = plugin.getGameManager();
        var session = gameManager.getCurrentSession();
        if (session == null) {
            player.sendMessage("§cНет активной игры.");
            return true;
        }

        var genManager = session.getGeneratorManager();
        if (genManager == null) {
            player.sendMessage("§cGeneratorManager не найден.");
            return true;
        }

        int count = 0;
        for (var gen : genManager.getIncompleteGenerators()) {
            gen.setProgress(100.0);
            genManager.onGeneratorCompleted(gen);
            count++;
        }

        player.sendMessage("§aПочинено генераторов: §e" + count);
        if (count > 0 && genManager.areAllRequiredCompleted()) {
            player.sendMessage("§a✔ Все необходимые генераторы починены — ворота открываются!");
        }
        return true;
    }

    private void sendUsage(CommandSender sender) {
        var messages = plugin.getConfigManager().getMessages();
        sender.sendMessage(messages.get("usage.admin-list-header"));
        sender.sendMessage(messages.get("usage.admin-list-list"));
        sender.sendMessage(messages.get("usage.admin-list-type"));
        sender.sendMessage(messages.get("usage.admin-world"));
        sender.sendMessage("§7/dbdadmin repairgens §8— §fПочинить все генераторы");
    }

    @Override
    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command,
                                                 @NotNull String label, @NotNull String[] args) {
        if (!sender.hasPermission("mdbd.admin")) return List.of();

        if (args.length == 1) {
            return Arrays.asList("list", "world", "repairgens").stream()
                .filter(s -> s.startsWith(args[0].toLowerCase()))
                .toList();
        }

        if (args.length == 2 && args[0].equalsIgnoreCase("list")) {
            return Arrays.asList("generator", "computer", "hook", "chest", "killer-spawn", "survivor-spawn").stream()
                .filter(s -> s.startsWith(args[1].toLowerCase()))
                .toList();
        }

        if (args.length == 2 && args[0].equalsIgnoreCase("world")) {
            return Arrays.asList("game").stream()
                .filter(s -> s.startsWith(args[1].toLowerCase()))
                .toList();
        }

        return List.of();
    }
}