package net.knarcraft.minstrel.util;

import net.knarcraft.minstrel.trait.MinstrelTrait;
import org.bukkit.entity.Player;
import org.jetbrains.annotations.NotNull;

/**
 * A helper class for dealing with sound
 */
public class SoundHelper {

    /**
     * Checks whether the given player can hear the given minstrel
     *
     * @param player        <p>The player to check</p>
     * @param minstrelTrait <p>The minstrel to check</p>
     * @return <p>True if the player would hear the minstrel</p>
     */
    public static boolean canHear(@NotNull Player player, @NotNull MinstrelTrait minstrelTrait) {
        // Minstrels cannot be heard across worlds!
        if (player.getLocation().getWorld() != null && minstrelTrait.getLocation().getWorld() != null &&
                !player.getLocation().getWorld().equals(minstrelTrait.getLocation().getWorld())) {
            return false;
        }

        double distance = player.getLocation().distance(minstrelTrait.getNPC().getStoredLocation());
        // A player can hear a minstrel 15 blocks away, but the distance increases if volume > 1
        return distance < 15 * (Math.max(minstrelTrait.getVolume(), 1));
    }

}