package de.iani.treasurechest;

import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.UUID;
import java.util.logging.Level;

import org.bukkit.Material;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

public class Converter {

    private TreasureChest plugin;

    public Converter(TreasureChest plugin) {
        this.plugin = plugin;
    }

    public void convertAll() {
        File chestContentFolder = new File(this.plugin.getDataFolder(), "content");
        if (!chestContentFolder.isDirectory()) {
            return;
        }
        File[] treasureChestFiles = chestContentFolder.listFiles(new FileFilter() {
            @Override
            public boolean accept(File pathname) {
                return pathname.getName().endsWith(".yml");
            }
        });
        plugin.getLogger().info("Konvertiere " + treasureChestFiles.length + " Dateien");
        int i = 0;
        for (File file : treasureChestFiles) {
            try {
                UUID owner = UUID.fromString(file.getName().substring(0, file.getName().length() - 4));
                convertPlayer(owner, file);
            } catch (Exception e) {
                plugin.getLogger().log(Level.SEVERE, "Could not convert " + file.getName() + ": " + e.getMessage(), e);
            }
            i++;
            if (i % 100 == 0) {
                plugin.getLogger().info(i + "/" + treasureChestFiles.length);
            }
        }
        if (chestContentFolder.listFiles().length == 0) {
            chestContentFolder.delete();
        }
        plugin.getLogger().info(i + "/" + treasureChestFiles.length);

        File uuidFile = new File(plugin.getDataFolder(), "playerUUIDs.yml");
        if (uuidFile.exists()) {
            uuidFile.delete();
        }
    }

    public void convertPlayer(UUID owner, File file) {
        try {
            if (file.exists()) {
                YamlConfiguration conf = YamlConfiguration.loadConfiguration(file);

                ConfigurationSection prices = conf.getConfigurationSection("prices");
                if (prices != null) {
                    for (String e : prices.getKeys(false)) {
                        ConfigurationSection price = prices.getConfigurationSection(e);
                        if (price != null) {
                            ItemStack display = price.getItemStack("displayItem");
                            if (display == null) {
                                display = new ItemStack(Material.BEDROCK);
                                ItemMeta meta = display.getItemMeta();
                                meta.setDisplayName("Unset displayitem");
                                display.setItemMeta(meta);
                            }
                            int priceMoney = price.getInt("priceMoney");
                            ArrayList<ItemStack> priceItems = new ArrayList<>();
                            ConfigurationSection itemPricesSection = price.getConfigurationSection("itemPrices");
                            if (itemPricesSection != null) {
                                for (String pricee : itemPricesSection.getKeys(false)) {
                                    ItemStack priceItem = itemPricesSection.getItemStack(pricee);
                                    if (priceItem != null) {
                                        priceItems.add(priceItem);
                                    }
                                }
                            }
                            TreasureChestItem item = new TreasureChestItem(display, priceItems.toArray(new ItemStack[priceItems.size()]), priceMoney);
                            plugin.getDatabase().addItem(owner, item);
                        }
                    }
                }
            }
        } catch (Exception e) {
            plugin.getLogger().log(Level.SEVERE, "Could not load user chest file: " + file.getName(), e);
        }
        file.delete();
    }
}