package fr.molzonas.painfulloss.commands;

import fr.molzonas.painfulloss.PainfulLoss;
import fr.molzonas.painfulloss.utils.PropertiesEnum;
import fr.molzonas.painfulloss.utils.Message;
import fr.molzonas.painfulloss.utils.PriceCalculator;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabCompleter;
import org.bukkit.entity.Player;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

public class PainfulLossCommand implements CommandExecutor, TabCompleter {
    @Override
    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command,
                             @NotNull String s, @NotNull String[] args) {
        if (args.length == 0) {
            commandSender.sendMessage(Message.of("plugin.help"));
            return true;
        }
        String subcommand = args[0];
        return switch (subcommand) {
            case "reload" -> commandReload(commandSender);
            case "help" -> commandHelp(commandSender);
            case "test" -> commandTest(commandSender, args);
            case "worth" -> commandWorth(commandSender, args);
            default -> commandUnknown(commandSender);
        };
    }

    private boolean commandReload(CommandSender commandSender) {
        if (!commandSender.hasPermission("painfulloss.admin")) return commandNotAutorised(commandSender);
        PainfulLoss.getInstance().reload();
        commandSender.sendMessage(Message.of("plugin.reload"));
        return true;
    }

    private boolean commandNotAutorised(CommandSender commandSender) {
        commandSender.sendMessage(ChatColor.translateAlternateColorCodes('&',
                "&4You don't have the permission to execute this command !"));
        return true;
    }

    private boolean commandHelp(CommandSender commandSender) {
        commandSender.sendMessage(ChatColor.translateAlternateColorCodes('&',
                "&4G&3i&et &ag&co&9o&dd"));
        return true;
    }

    private boolean commandTest(CommandSender commandSender, String[] args) {
        Locale locale = PainfulLoss.DEFAULT_LOCALE;
        if (args.length >= 2) {
            locale = Locale.forLanguageTag(args[1].trim());
        }
        if (commandSender instanceof Player p) {
            p.sendMessage(Message.of("death.summary.count", locale, p.getName(), 12345));
            p.sendMessage(Message.of("death.topitem", locale, "Netherite Chestplate", 7890));
        } else {
            var text = Message.of("death.summary.first", locale, "Console", 42);
            commandSender.sendMessage(text);
        }
        return true;
    }

    private boolean commandUnknown(CommandSender commandSender) {
        commandSender.sendMessage(Message.of("plugin.unknown"));
        return false;
    }

    private boolean commandWorth(CommandSender commandSender, String[] args) {
        if (args.length == 1 && commandSender instanceof Player p && commandSender.hasPermission("painfulloss.worth")) {
            double t1 = System.currentTimeMillis();
            PainfulLoss.debug("Starting clock for worth...");
            commandSender.sendMessage(Message.of("command.worth", PriceCalculator.estimate(p)
                    + (PropertiesEnum.ENCHANT_ENABLED.getBoolean() ? PriceCalculator.enchantEstimate(p) : 0)));
            double t2 = System.currentTimeMillis();
            PainfulLoss.debug("It took " + (t2-t1) + "ms to get the job done !");
        } else if (args.length == 2 && commandSender.hasPermission("painfulloss.worth.other")) {
            Player p = PainfulLoss.getInstance().getServer().getPlayer(args[1]);
            if (p == null) {
                commandSender.sendMessage(Message.of("command.worth.unknownplayer", args[1]));
                return true;
            }
            commandSender.sendMessage(Message.of("command.worth.other", p.getName(), PriceCalculator.estimate(p)
                    + (PropertiesEnum.ENCHANT_ENABLED.getBoolean() ? PriceCalculator.enchantEstimate(p) : 0)));
        } else {
            return commandNotAutorised(commandSender);
        }
        return true;
    }

    @Override
    public @Nullable List<String> onTabComplete(@NotNull CommandSender commandSender,
                                                @NotNull Command command, @NotNull String s,
                                                @NotNull String[] args) {
        List<String>  completions = new ArrayList<>();
        if (args.length == 1) {
            completions.add("test");
            completions.add("help");
            completions.add("worth");
            if (commandSender.hasPermission("painfulloss.admin")) completions.add("reload");
        }
        if (args.length == 2) {
            if ("test".equalsIgnoreCase(args[0])) {
                completions.add("fr-FR");
                completions.add("en-US");
            }
            if ("worth".equalsIgnoreCase(args[0]) && commandSender.hasPermission("painfulloss.worth.other")) {
                completions = PainfulLoss.getInstance().getServer().getOnlinePlayers().stream().map(Player::getName).toList();
            }
        }
        return completions;
    }
}