package de.steamwar.bausystem.configplayer;

import de.steamwar.bausystem.linkage.LinkageType;
import de.steamwar.bausystem.linkage.Linked;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import yapion.hierarchy.types.YAPIONObject;

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

@Linked(LinkageType.LISTENER)
public class ConfigUpdater implements Listener {

    // TODO: implement everything

    private final Map<UUID, YAPIONObject> playerConfigurations = new HashMap<>();

    private static final Map<Integer, ConfigConverter> CONFIG_CONVERTER_MAP = new HashMap<>();

    public static void addConfigConverter(ConfigConverter configConverter) {
        CONFIG_CONVERTER_MAP.putIfAbsent(configConverter.version(), configConverter);
    }

    @EventHandler
    public void onPlayerJoin(PlayerJoinEvent event) {
        // Load call -> Database
    }

    @EventHandler
    public void onPlayerQuit(PlayerQuitEvent event) {
        // Save call -> Database
    }

    public YAPIONObject load(Player player) {
        if (!playerConfigurations.containsKey(player.getUniqueId())) {
            // Load call -> Database
        }
        return playerConfigurations.get(player.getUniqueId());
    }

    public void save(Player player) {
        // Save call -> Database
    }

    private YAPIONObject update(YAPIONObject yapionObject) {
        int version = yapionObject.getPlainValue("@version");
        while (version < ConfigCreator.currentVersion) {
            ConfigConverter configConverter = CONFIG_CONVERTER_MAP.getOrDefault(version, null);
            if (configConverter == null) {
                Bukkit.getLogger().log(Level.SEVERE, "No updater found for version " + version);
                return ConfigCreator.createDefaultConfig();
            }
            try {
                configConverter.update(yapionObject);
            } catch (Exception e) {
                Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
                return ConfigCreator.createDefaultConfig();
            }
            int newVersion = yapionObject.getPlainValue("@version");
            if (version == newVersion) {
                Bukkit.getLogger().log(Level.SEVERE, "Version Tag was the same after conversion");
                return ConfigCreator.createDefaultConfig();
            }
            version = newVersion;
        }
        return yapionObject;
    }
}