package net.knarcraft.minigames;

import net.knarcraft.knargui.GUIListener;
import net.knarcraft.knarlib.formatting.StringFormatter;
import net.knarcraft.knarlib.formatting.Translator;
import net.knarcraft.knarlib.property.ColorConversion;
import net.knarcraft.minigames.arena.ArenaPlayerRegistry;
import net.knarcraft.minigames.arena.ArenaSession;
import net.knarcraft.minigames.arena.PlayerVisibilityManager;
import net.knarcraft.minigames.arena.dropper.DropperArena;
import net.knarcraft.minigames.arena.dropper.DropperArenaData;
import net.knarcraft.minigames.arena.dropper.DropperArenaGameMode;
import net.knarcraft.minigames.arena.dropper.DropperArenaGroup;
import net.knarcraft.minigames.arena.dropper.DropperArenaHandler;
import net.knarcraft.minigames.arena.dropper.DropperArenaPlayerRegistry;
import net.knarcraft.minigames.arena.dropper.DropperArenaRecordsRegistry;
import net.knarcraft.minigames.arena.dropper.DropperPlayerEntryState;
import net.knarcraft.minigames.arena.parkour.ParkourArena;
import net.knarcraft.minigames.arena.parkour.ParkourArenaData;
import net.knarcraft.minigames.arena.parkour.ParkourArenaGameMode;
import net.knarcraft.minigames.arena.parkour.ParkourArenaGroup;
import net.knarcraft.minigames.arena.parkour.ParkourArenaHandler;
import net.knarcraft.minigames.arena.parkour.ParkourArenaPlayerRegistry;
import net.knarcraft.minigames.arena.parkour.ParkourArenaRecordsRegistry;
import net.knarcraft.minigames.arena.parkour.ParkourPlayerEntryState;
import net.knarcraft.minigames.arena.record.IntegerRecord;
import net.knarcraft.minigames.arena.record.LongRecord;
import net.knarcraft.minigames.arena.reward.CommandReward;
import net.knarcraft.minigames.arena.reward.EconomyReward;
import net.knarcraft.minigames.arena.reward.ItemReward;
import net.knarcraft.minigames.arena.reward.PermissionReward;
import net.knarcraft.minigames.arena.reward.RewardCondition;
import net.knarcraft.minigames.command.LeaveArenaCommand;
import net.knarcraft.minigames.command.MenuCommand;
import net.knarcraft.minigames.command.ReloadCommand;
import net.knarcraft.minigames.command.SetArenaRewardCommand;
import net.knarcraft.minigames.command.SetArenaRewardTabCompleter;
import net.knarcraft.minigames.command.dropper.CreateDropperArenaCommand;
import net.knarcraft.minigames.command.dropper.DropperGroupListCommand;
import net.knarcraft.minigames.command.dropper.DropperGroupSetCommand;
import net.knarcraft.minigames.command.dropper.DropperGroupSwapCommand;
import net.knarcraft.minigames.command.dropper.EditDropperArenaCommand;
import net.knarcraft.minigames.command.dropper.EditDropperArenaTabCompleter;
import net.knarcraft.minigames.command.dropper.JoinDropperArenaCommand;
import net.knarcraft.minigames.command.dropper.JoinDropperArenaTabCompleter;
import net.knarcraft.minigames.command.dropper.ListDropperArenaCommand;
import net.knarcraft.minigames.command.dropper.RemoveDropperArenaCommand;
import net.knarcraft.minigames.command.dropper.RemoveDropperArenaTabCompleter;
import net.knarcraft.minigames.command.parkour.CreateParkourArenaCommand;
import net.knarcraft.minigames.command.parkour.EditParkourArenaCommand;
import net.knarcraft.minigames.command.parkour.EditParkourArenaTabCompleter;
import net.knarcraft.minigames.command.parkour.JoinParkourArenaCommand;
import net.knarcraft.minigames.command.parkour.JoinParkourArenaTabCompleter;
import net.knarcraft.minigames.command.parkour.ListParkourArenaCommand;
import net.knarcraft.minigames.command.parkour.ParkourGroupListCommand;
import net.knarcraft.minigames.command.parkour.ParkourGroupSetCommand;
import net.knarcraft.minigames.command.parkour.ParkourGroupSwapCommand;
import net.knarcraft.minigames.command.parkour.RemoveParkourArenaCommand;
import net.knarcraft.minigames.command.parkour.RemoveParkourArenaTabCompleter;
import net.knarcraft.minigames.config.DropperConfiguration;
import net.knarcraft.minigames.config.MiniGameMessage;
import net.knarcraft.minigames.config.ParkourConfiguration;
import net.knarcraft.minigames.config.SharedConfiguration;
import net.knarcraft.minigames.container.SerializableMaterial;
import net.knarcraft.minigames.container.SerializableUUID;
import net.knarcraft.minigames.listener.CommandListener;
import net.knarcraft.minigames.listener.DamageListener;
import net.knarcraft.minigames.listener.InteractListener;
import net.knarcraft.minigames.listener.MoveListener;
import net.knarcraft.minigames.listener.PlayerStateChangeListener;
import net.knarcraft.minigames.manager.EconomyManager;
import net.knarcraft.minigames.manager.PermissionManager;
import net.knarcraft.minigames.placeholder.DropperExpansion;
import net.knarcraft.minigames.placeholder.ParkourExpansion;
import net.md_5.bungee.api.ChatColor;
import net.milkbowl.vault.economy.Economy;
import net.milkbowl.vault.permission.Permission;
import org.bukkit.Bukkit;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.PluginCommand;
import org.bukkit.command.TabCompleter;
import org.bukkit.configuration.serialization.ConfigurationSerialization;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.ServicesManager;
import org.bukkit.plugin.java.JavaPlugin;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.UUID;
import java.util.logging.Level;

/**
 * The dropper plugin's main class
 */
@SuppressWarnings("unused")
public final class MiniGames extends JavaPlugin {

    private static MiniGames instance;
    private SharedConfiguration sharedConfiguration;
    private DropperConfiguration dropperConfiguration;
    private ParkourConfiguration parkourConfiguration;
    private DropperArenaHandler dropperArenaHandler;
    private ArenaPlayerRegistry<DropperArena> dropperArenaPlayerRegistry;
    private DropperExpansion dropperExpansion;
    private ParkourExpansion parkourExpansion;
    private ParkourArenaHandler parkourArenaHandler;
    private ArenaPlayerRegistry<ParkourArena> parkourArenaPlayerRegistry;
    private PlayerVisibilityManager playerVisibilityManager;
    private Translator translator;
    private StringFormatter stringFormatter;

    /**
     * Gets an instance of this plugin
     *
     * @return <p>An instance of this plugin, or null if not initialized yet.</p>
     */
    public static MiniGames getInstance() {
        return instance;
    }

    /**
     * Gets the dropper arena handler for this instance
     *
     * @return <p>A dropper arena handler</p>
     */
    public DropperArenaHandler getDropperArenaHandler() {
        return this.dropperArenaHandler;
    }

    /**
     * Gets the parkour arena handler for this instance
     *
     * @return <p>A parkour arena handler</p>
     */
    public ParkourArenaHandler getParkourArenaHandler() {
        return this.parkourArenaHandler;
    }

    /**
     * Gets the dropper arena player registry for this instance
     *
     * @return <p>A dropper arena player registry</p>
     */
    public ArenaPlayerRegistry<DropperArena> getDropperArenaPlayerRegistry() {
        return this.dropperArenaPlayerRegistry;
    }

    /**
     * Gets the parkour arena player registry for this instance
     *
     * @return <p>A parkour arena player registry</p>
     */
    public ArenaPlayerRegistry<ParkourArena> getParkourArenaPlayerRegistry() {
        return this.parkourArenaPlayerRegistry;
    }

    /**
     * Gets the shared configuration
     *
     * <p>The configuration for options which don't affect specific types of mini-games.</p>
     *
     * @return <p>The shared configuration</p>
     */
    public SharedConfiguration getSharedConfiguration() {
        return this.sharedConfiguration;
    }

    /**
     * Gets the dropper configuration
     *
     * @return <p>The dropper configuration</p>
     */
    public DropperConfiguration getDropperConfiguration() {
        return this.dropperConfiguration;
    }

    /**
     * Gets the parkour configuration
     *
     * @return <p>The parkour configuration</p>
     */
    public ParkourConfiguration getParkourConfiguration() {
        return this.parkourConfiguration;
    }

    /**
     * Gets the manager keeping track of player visibility
     *
     * @return <p>The player visibility manager</p>
     */
    public PlayerVisibilityManager getPlayerVisibilityManager() {
        return this.playerVisibilityManager;
    }

    /**
     * Gets the translator to get messages from
     *
     * @return <p>The translator</p>
     */
    public Translator getTranslator() {
        return this.translator;
    }

    /**
     * Gets the string formatter to get formatted messages from
     *
     * @return <p>The string formatter</p>
     */
    public StringFormatter getStringFormatter() {
        return this.stringFormatter;
    }

    /**
     * Gets the current session of the given player
     *
     * @param playerId <p>The id of the player to get a session for</p>
     * @return <p>The player's current session, or null if not found</p>
     */
    public @Nullable ArenaSession getSession(@NotNull UUID playerId) {
        ArenaSession dropperArenaSession = dropperArenaPlayerRegistry.getArenaSession(playerId);
        if (dropperArenaSession != null) {
            return dropperArenaSession;
        }

        return parkourArenaPlayerRegistry.getArenaSession(playerId);
    }

    /**
     * Logs a message
     *
     * @param level   <p>The message level to log at</p>
     * @param message <p>The message to log</p>
     */
    public static void log(Level level, String message) {
        MiniGames.getInstance().getLogger().log(level, message);
    }

    /**
     * Reloads all configurations and data from disk
     */
    public void reload() {
        // Load all arenas again
        this.dropperArenaHandler.load();
        this.parkourArenaHandler.load();

        // Reload configuration
        this.reloadConfig();
        translator.loadLanguages(this.getDataFolder(), "en",
                getConfig().getString("language", "en"));
        this.sharedConfiguration.load(this.getConfig());
        this.dropperConfiguration.load(this.getConfig());
        this.parkourConfiguration.load(this.getConfig());

        // Clear record caches
        this.dropperExpansion.clearCaches();
        this.parkourExpansion.clearCaches();
    }

    @Override
    public void onLoad() {
        super.onLoad();
        // Register serialization classes
        ConfigurationSerialization.registerClass(SerializableMaterial.class);
        ConfigurationSerialization.registerClass(DropperArenaRecordsRegistry.class);
        ConfigurationSerialization.registerClass(SerializableUUID.class);
        ConfigurationSerialization.registerClass(DropperArenaData.class);
        ConfigurationSerialization.registerClass(DropperArenaGroup.class);
        ConfigurationSerialization.registerClass(DropperArenaGameMode.class);
        ConfigurationSerialization.registerClass(LongRecord.class);
        ConfigurationSerialization.registerClass(IntegerRecord.class);
        ConfigurationSerialization.registerClass(ParkourArenaRecordsRegistry.class);
        ConfigurationSerialization.registerClass(ParkourArenaData.class);
        ConfigurationSerialization.registerClass(ParkourArenaGroup.class);
        ConfigurationSerialization.registerClass(ParkourArenaGameMode.class);
        ConfigurationSerialization.registerClass(DropperPlayerEntryState.class);
        ConfigurationSerialization.registerClass(ParkourPlayerEntryState.class);
        ConfigurationSerialization.registerClass(CommandReward.class);
        ConfigurationSerialization.registerClass(EconomyReward.class);
        ConfigurationSerialization.registerClass(ItemReward.class);
        ConfigurationSerialization.registerClass(PermissionReward.class);
        ConfigurationSerialization.registerClass(RewardCondition.class);
    }

    @Override
    public void onEnable() {
        // Plugin startup logic
        instance = this;

        // Load configuration
        loadConfiguration();

        // Register all listeners
        registerListeners();

        // Register all commands
        registerCommands();

        // Integrate with other plugins
        doPluginIntegration();
    }

    @Override
    public void onDisable() {
        // Kill all sessions before exiting
        for (DropperArena arena : dropperArenaHandler.getArenas().values()) {
            dropperArenaPlayerRegistry.removeForArena(arena, true);
        }
        for (ParkourArena arena : parkourArenaHandler.getArenas().values()) {
            parkourArenaPlayerRegistry.removeForArena(arena, true);
        }
    }

    /**
     * Sets up integration with third-party plugins
     */
    private void doPluginIntegration() {
        if (Bukkit.getPluginManager().getPlugin("PlaceholderAPI") != null) {
            this.dropperExpansion = new DropperExpansion(this);
            if (!this.dropperExpansion.register()) {
                log(Level.WARNING, "Unable to register PlaceholderAPI dropper expansion!");
            }
            this.parkourExpansion = new ParkourExpansion(this);
            if (!this.parkourExpansion.register()) {
                log(Level.WARNING, "Unable to register PlaceholderAPI parkour expansion!");
            }
        }
        if (Bukkit.getPluginManager().getPlugin("Vault") != null) {
            setupVault();
        } else {
            log(Level.WARNING, "Vault not found. Economy and Permission rewards are unavailable.");
        }
    }

    /**
     * Loads all configuration values used by this plugin
     */
    private void loadConfiguration() {
        this.saveDefaultConfig();
        getConfig().options().copyDefaults(true);
        saveConfig();
        reloadConfig();

        setupStringFormatter();

        this.sharedConfiguration = new SharedConfiguration(this.getConfig());
        this.dropperConfiguration = new DropperConfiguration(this.getConfig());
        this.parkourConfiguration = new ParkourConfiguration(this.getConfig());
        this.dropperArenaPlayerRegistry = new DropperArenaPlayerRegistry();
        this.dropperArenaHandler = new DropperArenaHandler(this.dropperArenaPlayerRegistry);
        this.dropperArenaHandler.load();
        this.parkourArenaPlayerRegistry = new ParkourArenaPlayerRegistry();
        this.parkourArenaHandler = new ParkourArenaHandler(this.parkourArenaPlayerRegistry);
        this.parkourArenaHandler.load();
        this.playerVisibilityManager = new PlayerVisibilityManager();
    }

    /**
     * Registers all listeners used by this plugin
     */
    private void registerListeners() {
        PluginManager pluginManager = getServer().getPluginManager();
        pluginManager.registerEvents(new DamageListener(), this);
        pluginManager.registerEvents(new MoveListener(this.dropperConfiguration, this.parkourConfiguration), this);
        pluginManager.registerEvents(new PlayerStateChangeListener(), this);
        pluginManager.registerEvents(new CommandListener(), this);
        pluginManager.registerEvents(new GUIListener(true), this);
        pluginManager.registerEvents(new InteractListener(), this);
    }

    /**
     * Registers a command
     *
     * @param commandName     <p>The name of the command to register (defined in plugin.yml)</p>
     * @param commandExecutor <p>The executor for the command</p>
     * @param tabCompleter    <p>The tab-completer to use, or null</p>
     */
    private void registerCommand(@NotNull String commandName, @NotNull CommandExecutor commandExecutor,
                                 @Nullable TabCompleter tabCompleter) {
        PluginCommand command = this.getCommand(commandName);
        if (command != null) {
            command.setExecutor(commandExecutor);
            if (tabCompleter != null) {
                command.setTabCompleter(tabCompleter);
            }
        } else {
            log(Level.SEVERE, "Unable to register the command " + commandName);
        }
    }

    /**
     * Registers all commands used by this plugin
     */
    private void registerCommands() {
        registerCommand("miniGamesReload", new ReloadCommand(), null);
        registerCommand("miniGamesLeave", new LeaveArenaCommand(), null);
        registerCommand("miniGamesMenu", new MenuCommand(), null);
        registerCommand("miniGamesReward", new SetArenaRewardCommand(), new SetArenaRewardTabCompleter());

        registerDropperCommands();
        registerParkourCommands();
    }

    /**
     * Registers all commands related to droppers
     */
    private void registerDropperCommands() {
        registerCommand("dropperCreate", new CreateDropperArenaCommand(), null);
        registerCommand("dropperList", new ListDropperArenaCommand(), null);
        registerCommand("dropperJoin", new JoinDropperArenaCommand(), new JoinDropperArenaTabCompleter());
        registerCommand("dropperEdit", new EditDropperArenaCommand(this.dropperConfiguration), new EditDropperArenaTabCompleter());
        registerCommand("dropperRemove", new RemoveDropperArenaCommand(), new RemoveDropperArenaTabCompleter());
        registerCommand("dropperGroupSet", new DropperGroupSetCommand(), null);
        registerCommand("dropperGroupSwap", new DropperGroupSwapCommand(), null);
        registerCommand("dropperGroupList", new DropperGroupListCommand(), null);
    }

    /**
     * Registers all commands related to parkour
     */
    private void registerParkourCommands() {
        registerCommand("parkourCreate", new CreateParkourArenaCommand(), null);
        registerCommand("parkourList", new ListParkourArenaCommand(), null);
        registerCommand("parkourJoin", new JoinParkourArenaCommand(), new JoinParkourArenaTabCompleter());
        registerCommand("parkourEdit", new EditParkourArenaCommand(), new EditParkourArenaTabCompleter());
        registerCommand("parkourRemove", new RemoveParkourArenaCommand(), new RemoveParkourArenaTabCompleter());
        registerCommand("parkourGroupSet", new ParkourGroupSetCommand(), null);
        registerCommand("parkourGroupSwap", new ParkourGroupSwapCommand(), null);
        registerCommand("parkourGroupList", new ParkourGroupListCommand(), null);
    }

    /**
     * Sets up the translator and the string formatter
     */
    private void setupStringFormatter() {
        translator = new Translator();
        translator.registerMessageCategory(MiniGameMessage.ERROR_PLAYER_ONLY);
        translator.loadLanguages(this.getDataFolder(), "en",
                getConfig().getString("language", "en"));
        stringFormatter = new StringFormatter(this.getDescription().getName(), translator);
        stringFormatter.setColorConversion(ColorConversion.RGB);
        stringFormatter.setNamePrefix("#546EED[&r&l");
        stringFormatter.setNameSuffix("#546EED]");
        stringFormatter.setErrorColor(ChatColor.RED);
        stringFormatter.setSuccessColor(ChatColor.GREEN);
    }

    /**
     * Sets up Vault by getting plugins from their providers
     */
    private void setupVault() {
        ServicesManager servicesManager = this.getServer().getServicesManager();
        RegisteredServiceProvider<Permission> permissionProvider = servicesManager.getRegistration(Permission.class);
        RegisteredServiceProvider<Economy> economyProvider = servicesManager.getRegistration(Economy.class);

        if (permissionProvider != null) {
            PermissionManager.initialize(permissionProvider.getProvider());
        } else {
            log(Level.WARNING, "No Vault permission provider found. Permission rewards are unavailable.");
        }

        if (economyProvider != null) {
            EconomyManager.initialize(economyProvider.getProvider());
        } else {
            log(Level.WARNING, "No Vault economy provider found. Economy rewards are unavailable.");
        }
    }

}