package com.tiedup.remake.client.state;

import com.tiedup.remake.v2.bondage.movement.MovementStyle;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import org.jetbrains.annotations.Nullable;

/**
 * Client-side cache of active movement style per player UUID.
 *
 * <p>Populated by {@link com.tiedup.remake.network.sync.PacketSyncMovementStyle}.
 * Read by {@link com.tiedup.remake.client.animation.context.AnimationContextResolver}
 * and {@link com.tiedup.remake.client.animation.tick.AnimationTickHandler}.</p>
 *
 * <p>Thread-safe via ConcurrentHashMap (same pattern as
 * {@link PetBedClientState}).</p>
 */
@OnlyIn(Dist.CLIENT)
public class MovementStyleClientState {

    private static final Map<UUID, MovementStyle> styles =
        new ConcurrentHashMap<>();

    /**
     * Set the active movement style for a player.
     *
     * @param uuid  the player's UUID
     * @param style the active style (must not be null; use {@link #clear} for no style)
     */
    public static void set(UUID uuid, MovementStyle style) {
        styles.put(uuid, style);
    }

    /**
     * Get the active movement style for a player.
     *
     * @param uuid the player's UUID
     * @return the active style, or null if no movement style is active
     */
    @Nullable
    public static MovementStyle get(UUID uuid) {
        return styles.get(uuid);
    }

    /**
     * Clear the movement style for a player (no style active).
     *
     * @param uuid the player's UUID
     */
    public static void clear(UUID uuid) {
        styles.remove(uuid);
    }

    /**
     * Clear all cached movement styles.
     * Called on world unload to prevent memory leaks and stale data.
     */
    public static void clearAll() {
        styles.clear();
    }
}