package dev.loki.util;

import org.bukkit.Color;
import org.bukkit.Location;
import org.bukkit.Particle;
import org.bukkit.World;
import org.bukkit.entity.Player;
import org.bukkit.util.Vector;
import java.util.List;

public final class ParticleUtil {
    private ParticleUtil() {}

    public static void spawn(Particle p, Location loc, int count) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(p, loc, count);
    }

    public static void spawn(Particle p, Location loc, int count, double sx, double sy, double sz, double speed) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(p, loc, count, sx, sy, sz, speed);
    }

    public static void spawnDust(Location loc, Color c, float size) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(Particle.DUST, loc, 1, new Particle.DustOptions(c, size));
    }

    public static void spawnDust(Location loc, Color c, float size, int count) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(Particle.DUST, loc, count, 0.1, 0.1, 0.1, 0, new Particle.DustOptions(c, size));
    }

    public static void drawLine(Particle p, Location a, Location b, int points) {
        if (!a.getWorld().equals(b.getWorld())) return;
        Vector dir = b.toVector().subtract(a.toVector());
        double dist = dir.length(); dir.normalize();
        double step = dist / points; Location cur = a.clone();
        for (int i = 0; i <= points; i++) { spawn(p, cur, 1); cur.add(dir.clone().multiply(step)); }
    }

    public static void drawCircle(Particle p, Location c, double r, int points) {
        World w = c.getWorld(); if (w == null) return;
        for (int i = 0; i < points; i++) {
            double a = 2 * Math.PI * i / points;
            spawn(p, new Location(w, c.getX() + r * Math.cos(a), c.getY(), c.getZ() + r * Math.sin(a)), 1);
        }
    }

    public static void drawCircle(Particle p, Location c, double r, int points, Color col, float size) {
        World w = c.getWorld(); if (w == null) return;
        for (int i = 0; i < points; i++) {
            double a = 2 * Math.PI * i / points;
            spawnDust(new Location(w, c.getX() + r * Math.cos(a), c.getY(), c.getZ() + r * Math.sin(a)), col, size);
        }
    }

    public static void burst(Particle p, Location c, int count, double speed) {
        World w = c.getWorld(); if (w == null) return;
        w.spawnParticle(p, c, count, 0.5, 0.5, 0.5, speed);
    }

    public static void burstToPlayers(Particle p, List<Player> players, Location c, int count, double speed) {
        for (Player pl : players) pl.spawnParticle(p, c, count, 0.5, 0.5, 0.5, speed);
    }

    public static void trail(Particle p, Location start, Vector dir, int len, double spacing) {
        Location cur = start.clone(); Vector step = dir.clone().normalize().multiply(spacing);
        for (int i = 0; i < len; i++) { spawn(p, cur, 1); cur.add(step); }
    }

    public static void shockwave(Particle p, Location c, double maxR, int rings, double speed) {
        for (int i = 1; i <= rings; i++) drawCircle(p, c, (maxR / rings) * i, (int) (16 * (maxR / rings) * i));
    }

    public static void damage(Location loc) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(Particle.DAMAGE_INDICATOR, loc, 10, 0.3, 0.3, 0.3, 0);
    }

    public static void blood(Location loc) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(Particle.BLOCK, loc, 20, 0.2, 0.2, 0.2, 0,
            org.bukkit.Material.REDSTONE_BLOCK.createBlockData());
    }

    public static void sparks(Location loc) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(Particle.ELECTRIC_SPARK, loc, 5, 0.1, 0.1, 0.1, 0.1);
    }

    public static void heal(Location loc) { spawnDust(loc, Color.LIME, 1.0f, 10); }

    public static void teleportEffect(Location loc) {
        World w = loc.getWorld(); if (w == null) return;
        w.spawnParticle(Particle.PORTAL, loc, 100, 0.5, 1.0, 0.5, 1.0);
        w.spawnParticle(Particle.REVERSE_PORTAL, loc, 50, 0.3, 0.5, 0.3, 0.5);
    }
}