package net.knarcraft.paidsigns;

import net.knarcraft.knarlib.KnarLib;
import net.knarcraft.knarlib.formatting.Translator;
import net.knarcraft.knarlib.util.UpdateChecker;
import net.knarcraft.paidsigns.command.AddCommand;
import net.knarcraft.paidsigns.command.AddConditionCommand;
import net.knarcraft.paidsigns.command.AddConditionTabCompleter;
import net.knarcraft.paidsigns.command.AddTabCompleter;
import net.knarcraft.paidsigns.command.EditCommand;
import net.knarcraft.paidsigns.command.EditTabCompleter;
import net.knarcraft.paidsigns.command.ListCommand;
import net.knarcraft.paidsigns.command.ListTabCompleter;
import net.knarcraft.paidsigns.command.PaidSignsTabCommand;
import net.knarcraft.paidsigns.command.ReloadTabCommand;
import net.knarcraft.paidsigns.command.RemoveConditionCommand;
import net.knarcraft.paidsigns.command.RemoveConditionTabCompleter;
import net.knarcraft.paidsigns.command.RemoveTabCommand;
import net.knarcraft.paidsigns.formatting.PaidSignsTranslatableMessage;
import net.knarcraft.paidsigns.listener.SignBreakListener;
import net.knarcraft.paidsigns.listener.SignListener;
import net.knarcraft.paidsigns.manager.EconomyManager;
import net.knarcraft.paidsigns.manager.PaidSignManager;
import net.knarcraft.paidsigns.manager.TrackedSignManager;
import net.milkbowl.vault.economy.Economy;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.PluginCommand;
import org.bukkit.command.TabCompleter;
import org.bukkit.command.TabExecutor;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.ServicesManager;
import org.bukkit.plugin.java.JavaPlugin;

/**
 * The PaidSigns plugin's main class
 */
public final class PaidSigns extends JavaPlugin {

    private static PaidSigns paidSigns;
    private static Translator translator;
    private PaidSignManager signManager;
    private String language;
    private boolean ignoreCase;
    private boolean ignoreColor;
    private boolean refundsEnabled;
    private short refundPercentage;
    private boolean refundAlways;

    /**
     * Instantiates a new paid signs object
     */
    @SuppressWarnings("unused")
    public PaidSigns() {
        paidSigns = this;
    }

    /**
     * Gets an instance of this plugin
     *
     * @return <p>An instance of this plugin</p>
     */
    public static PaidSigns getInstance() {
        return paidSigns;
    }

    /**
     * Gets the translator to use for this plugin
     *
     * @return <p>The translator to use for this plugin</p>
     */
    public static Translator getTranslator() {
        return translator;
    }

    @Override
    public void onEnable() {
        KnarLib.setPlugin(this);

        setupVault();
        loadConfig();

        //Initialize translator
        translator = new Translator();
        translator.registerMessageCategory(PaidSignsTranslatableMessage.BOOLEAN_TRUE);
        translator.loadLanguages(language);

        signManager = new PaidSignManager(PaidSignManager.loadSigns());
        TrackedSignManager.loadTrackedSigns();

        PluginManager pluginManager = getServer().getPluginManager();
        pluginManager.registerEvents(new SignListener(), this);
        pluginManager.registerEvents(new SignBreakListener(), this);

        registerCommands();

        UpdateChecker.checkForUpdate(this, "https://api.spigotmc.org/legacy/update.php?resource=105842",
                () -> this.getDescription().getVersion(), null);
    }

    @Override
    public void onDisable() {
    }

    /**
     * Reloads this plugin
     */
    public void reload() {
        this.reloadConfig();
        loadConfig();
        translator.loadLanguages(language);
        signManager = new PaidSignManager(PaidSignManager.loadSigns());
        TrackedSignManager.loadTrackedSigns();
    }

    /**
     * Gets the paid sign manager used to manage paid signs
     *
     * @return <p>The paid sign manager</p>
     */
    public PaidSignManager getSignManager() {
        return signManager;
    }

    /**
     * Gets the default setting for whether to ignore the case of paid sign ids
     *
     * @return <p>The default ignore case value</p>
     */
    public boolean ignoreCase() {
        return this.ignoreCase;
    }

    /**
     * Gets the default setting for whether to ignore the color of paid sign ids
     *
     * @return <p>The default ignore color value</p>
     */
    public boolean ignoreColor() {
        return this.ignoreColor;
    }

    /**
     * Checks whether refunds are currently enabled
     *
     * @return <p>Whether refunds are currently enabled</p>
     */
    public boolean areRefundsEnabled() {
        return this.refundsEnabled;
    }

    /**
     * Gets the percentage of the initial cost to refund the sign creator
     *
     * @return <p>The percentage of the cost to refund</p>
     */
    public short getRefundPercentage() {
        if (this.refundPercentage < 0) {
            return 0;
        } else if (refundPercentage > 100) {
            return 100;
        }
        return this.refundPercentage;
    }

    /**
     * Gets whether refunds should always happen, even if signs are not broken by players
     *
     * @return <p>True if refunds should always happen</p>
     */
    public boolean refundAlways() {
        return this.refundAlways;
    }

    /**
     * Registers the commands used by this plugin
     */
    private void registerCommands() {
        TabExecutor paidSignsExecutor = new PaidSignsTabCommand();
        registerCommand("paidSigns", paidSignsExecutor, paidSignsExecutor);
        registerCommand("addPaidSign", new AddCommand(), new AddTabCompleter());
        registerCommand("listPaidSigns", new ListCommand(), new ListTabCompleter());
        registerCommand("addPaidSignCondition", new AddConditionCommand(), new AddConditionTabCompleter());
        registerCommand("removePaidSignCondition", new RemoveConditionCommand(),
                new RemoveConditionTabCompleter());
        registerCommand("editPaidSign", new EditCommand(), new EditTabCompleter());

        TabExecutor removeTabExecutor = new RemoveTabCommand();
        registerCommand("removePaidSign", removeTabExecutor, removeTabExecutor);
        TabExecutor reloadTabExecutor = new ReloadTabCommand();
        registerCommand("reload", reloadTabExecutor, reloadTabExecutor);
    }

    /**
     * Registers a command if possible
     *
     * @param command         <p>The command to register</p>
     * @param commandExecutor <p>The command executor for executing the command</p>
     * @param tabCompleter    <p>The tab completer for tab-completing the command</p>
     */
    private void registerCommand(String command, CommandExecutor commandExecutor, TabCompleter tabCompleter) {
        PluginCommand pluginCommand = this.getCommand(command);
        if (pluginCommand != null) {
            pluginCommand.setExecutor(commandExecutor);
            pluginCommand.setTabCompleter(tabCompleter);
        }
    }

    /**
     * Loads the configuration file
     */
    private void loadConfig() {
        FileConfiguration config = this.getConfig();
        config.options().copyDefaults(true);
        this.saveDefaultConfig();
        this.saveConfig();
        language = config.getString("language", "en");
        ignoreCase = config.getBoolean("ignoreCase", true);
        ignoreColor = config.getBoolean("ignoreColor", false);
        refundsEnabled = config.getBoolean("refundsEnabled", true);
        refundPercentage = (short) config.getInt("refundPercentage", 100);
        refundAlways = config.getBoolean("refundAlways", false);
    }

    /**
     * Sets up Vault by getting plugins from their providers
     */
    private void setupVault() {
        ServicesManager servicesManager = this.getServer().getServicesManager();
        RegisteredServiceProvider<Economy> economyProvider = servicesManager.getRegistration(Economy.class);
        if (economyProvider != null) {
            EconomyManager.initialize(economyProvider.getProvider());
        } else {
            throw new IllegalStateException("Error: Vault could not be loaded");
        }
    }

}