package mondlw.laserserver.laserservermanager.data;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;

public class InventoryManager {

    private static final HashMap<String, Inventory> inventories = new HashMap<>();

    public static void saveData() {
        Gson gson = new GsonBuilder().setPrettyPrinting().create();
        String json = gson.toJson(inventories);

        // Save the JSON string to a file
        try {
            File file = new File("inventories.json");
            FileWriter writer = new FileWriter(file);
            writer.write(json);
            writer.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static Inventory loadInventory(String playerName, String world, String mode) {
        Optional<Inventory> inventoryOptional = Optional.ofNullable(inventories.get(playerName + "_" + world + "_" + mode));

        if (inventoryOptional.isPresent()) {
            return inventoryOptional.get();
        } else {
            return Bukkit.createInventory(null, 9, world + "-" + mode);
        }
    }

    public static void replaceInventoryTo(Player player, String world, String mode) {

        Inventory newInventory = inventories.get(player.getName() + "_" + world + "_" + mode);
        Inventory oldInventory = player.getInventory();

        if(newInventory == null) {
            newInventory = Bukkit.createInventory(null, 36);
        }

        if(mode.equals("build")) {
            // Save the current normal inventory
            if(inventories.containsKey(player.getName() + "_" + world + "_" + "normal")) {
                inventories.replace(player.getName() + "_" + world + "_" + "normal", oldInventory);
            } else {
                inventories.put(player.getName() + "_" + world + "_" + "normal", oldInventory);
            }
        } else {
            // Save the current build inventory
            if(inventories.containsKey(player.getName() + "_" + world + "_" + "build")) {
                inventories.replace(player.getName() + "_" + world + "_" + "build", oldInventory);
            } else {
                inventories.put(player.getName() + "_" + world + "_" + "build", oldInventory);
            }
        }

        player.getInventory().setContents(newInventory.getContents());
        player.updateInventory();

    }
}