"use client";

import { motion, useMotionValue, useTransform, useSpring } from "framer-motion";
import { useEffect, useState } from "react";

export const BackgroundBlobs = () => {
  const mouseX = useMotionValue(0);
  const mouseY = useMotionValue(0);

  const springConfig = { damping: 50, stiffness: 50, mass: 2 };
  const springX = useSpring(mouseX, springConfig);
  const springY = useSpring(mouseY, springConfig);

  // Very subtle parallax offsets
  const x1 = useTransform(springX, (value) => value / 30);
  const y1 = useTransform(springY, (value) => value / 30);

  const x2 = useTransform(springX, (value) => value / -25);
  const y2 = useTransform(springY, (value) => value / -25);

  const x3 = useTransform(springX, (value) => value / 20);
  const y3 = useTransform(springY, (value) => value / 20);

  const x4 = useTransform(springX, (value) => value / -35);
  const y4 = useTransform(springY, (value) => value / -35);

  const x5 = useTransform(springX, (value) => value / 15);
  const y5 = useTransform(springY, (value) => value / 15);

  useEffect(() => {
    const handleMouseMove = (e: MouseEvent) => {
      const x = e.clientX - window.innerWidth / 2;
      const y = e.clientY - window.innerHeight / 2;
      mouseX.set(x);
      mouseY.set(y);
    };

    window.addEventListener("mousemove", handleMouseMove);
    return () => window.removeEventListener("mousemove", handleMouseMove);
  }, [mouseX, mouseY]);

  // Prevent hydration mismatch
  const [mounted, setMounted] = useState(false);

  useEffect(() => {
    setMounted(true);
  }, []);

  if (!mounted) return null;

  return (
    <div className="fixed inset-0 overflow-hidden pointer-events-none z-0">
      {/* Mint blob - top left */}
      <motion.div
        className="absolute top-[-10%] left-[-10%] w-[40vw] h-[40vw] bg-liquid-mint/40 rounded-full blur-[100px] mix-blend-multiply"
        style={{ x: x1, y: y1 }}
        animate={{
          scale: [1, 1.15, 1],
          rotate: [0, 45, 0],
        }}
        transition={{
          duration: 40,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />

      {/* Lavender blob - top right */}
      <motion.div
        className="absolute top-[10%] right-[-5%] w-[35vw] h-[35vw] bg-liquid-lavender/35 rounded-full blur-[100px] mix-blend-multiply"
        style={{ x: x2, y: y2 }}
        animate={{
          scale: [1, 1.1, 1],
          rotate: [0, -30, 0],
        }}
        transition={{
          duration: 45,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />

      {/* Rose blob - bottom left */}
      <motion.div
        className="absolute bottom-[-5%] left-[15%] w-[45vw] h-[45vw] bg-liquid-rose/35 rounded-full blur-[100px] mix-blend-multiply"
        style={{ x: x3, y: y3 }}
        animate={{
          scale: [1, 1.2, 1],
          rotate: [0, 60, 0],
        }}
        transition={{
          duration: 50,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />

      {/* Peach blob - middle right */}
      <motion.div
        className="absolute top-[40%] right-[10%] w-[30vw] h-[30vw] bg-orange-200/30 rounded-full blur-[120px] mix-blend-multiply"
        style={{ x: x4, y: y4 }}
        animate={{
          scale: [1, 1.25, 1],
          rotate: [0, -45, 0],
        }}
        transition={{
          duration: 55,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />

      {/* Blue blob - center */}
      <motion.div
        className="absolute top-[50%] left-[40%] w-[38vw] h-[38vw] bg-blue-200/30 rounded-full blur-[110px] mix-blend-multiply"
        style={{ x: x5, y: y5 }}
        animate={{
          scale: [1, 1.18, 1],
          rotate: [0, 90, 0],
        }}
        transition={{
          duration: 48,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />

      {/* Pink blob - bottom right */}
      <motion.div
        className="absolute bottom-[10%] right-[-8%] w-[32vw] h-[32vw] bg-pink-200/35 rounded-full blur-[100px] mix-blend-multiply"
        animate={{
          scale: [1, 1.12, 1],
          rotate: [0, -60, 0],
          x: [0, -20, 0],
          y: [0, 20, 0],
        }}
        transition={{
          duration: 43,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />

      {/* Yellow-green blob - top center */}
      <motion.div
        className="absolute top-[5%] left-[45%] w-[28vw] h-[28vw] bg-lime-200/30 rounded-full blur-[115px] mix-blend-multiply"
        animate={{
          scale: [1, 1.22, 1],
          rotate: [0, 75, 0],
          x: [0, 15, 0],
          y: [0, -15, 0],
        }}
        transition={{
          duration: 52,
          repeat: Infinity,
          ease: "easeInOut",
          repeatType: "reverse",
        }}
      />
    </div>
  );
};