"use client";

import { useState, useEffect } from "react";
import Link from "next/link";
import { JetBrains_Mono } from "next/font/google";
import { Dictionary } from "@/lib/IDict";
import { cn } from "@/lib/utils";

const jetbrainsMono = JetBrains_Mono({
  subsets: ["latin", "cyrillic"],
});

// Кастомные легкие SVG иконки
const Icons = {
  Telegram: () => (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
      className="size-6"
    >
      <path d="m22 2-7 20-4-9-9-4Z" />
      <path d="M22 2 11 13" />
    </svg>
  ),
  Youtube: () => (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
      className="size-6"
    >
      <path d="M22.54 6.42a2.78 2.78 0 0 0-1.94-2C18.88 4 12 4 12 4s-6.88 0-8.6.42a2.78 2.78 0 0 0-1.94 2C1 8.11 1 12 1 12s0 3.89.46 5.58a2.78 2.78 0 0 0 1.94 2c1.72.42 8.6.42 8.6.42s6.88 0 8.6-.42a2.78 2.78 0 0 0 1.94-2C23 15.89 23 12 23 12s0-3.89-.46-5.58z" />
      <polygon
        points="9.75 15.02 15.5 12 9.75 8.98 9.75 15.02"
        fill="currentColor"
      />
    </svg>
  ),
  Discord: () => (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
      className="size-6"
    >
      <path d="M19.73 5.42a19.06 19.06 0 0 0-4.73-1.45 14.1 14.1 0 0 0-.6 1.2A17.65 17.65 0 0 0 9.6 5.17a14.1 14.1 0 0 0-.6-1.2 19.06 19.06 0 0 0-4.73 1.45 19.64 19.64 0 0 0-3.37 13.5 19.34 19.34 0 0 0 5.86 3 13.9 13.9 0 0 0 1.26-2.03 13.2 13.2 0 0 1-2-.95c.16-.12.3-.25.45-.38a13.3 13.3 0 0 0 11.08 0c.15.13.3.26.45.38a13.2 13.2 0 0 1-2 .95 13.9 13.9 0 0 0 1.26 2.03 19.34 19.34 0 0 0 5.86-3 19.64 19.64 0 0 0-3.37-13.5ZM8.5 15.2c-1.07 0-1.95-1-1.95-2.22s.87-2.22 1.95-2.22c1.08 0 1.96 1 1.95 2.22 0 1.21-.88 2.22-1.95 2.22Zm7 0c-1.07 0-1.95-1-1.95-2.22s.87-2.22 1.95-2.22c1.08 0 1.96 1 1.95 2.22 0 1.21-.88 2.22-1.95 2.22Z" />
    </svg>
  ),
  X: () => (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
      className="size-6"
    >
      <path d="M4 4l11.733 16H20L8.267 4z" />
      <path d="M4 20l6.768-6.768m2.464-2.464L20 4" />
    </svg>
  ),
  Instagram: () => (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2"
      strokeLinecap="round"
      strokeLinejoin="round"
      className="size-6"
    >
      <rect width="20" height="20" x="2" y="2" rx="5" ry="5" />
      <path d="M16 11.37A4 4 0 1 1 12.63 8 4 4 0 0 1 16 11.37z" />
      <line x1="17.5" x2="17.51" y1="6.5" y2="6.5" />
    </svg>
  ),
  Habr: () => (
    <svg
      viewBox="0 0 24 24"
      fill="none"
      stroke="currentColor"
      strokeWidth="2.5"
      strokeLinecap="round"
      strokeLinejoin="round"
      className="size-6"
    >
      <path d="M5 5v14M19 5v14M5 12h14" />
    </svg>
  ),
};

const FlickeringSocialIcon = ({ social }: { social: any }) => {
  const [opacity, setOpacity] = useState(1);

  useEffect(() => {
    let timeoutId: NodeJS.Timeout;

    const flicker = () => {
      if (Math.random() > 0.6) {
        setOpacity(Math.random() * 0.5 + 0.1);
        setTimeout(() => setOpacity(1), Math.random() * 120 + 30);
      }
      timeoutId = setTimeout(flicker, Math.random() * 6000 + 1000);
    };

    timeoutId = setTimeout(flicker, Math.random() * 3000);

    return () => clearTimeout(timeoutId);
  }, []);

  return (
    <Link
      href={social.href}
      title={social.name}
      // В светлой теме добавляем жесткую рамку при ховере вместо свечения
      className={cn(
        "p-2 rounded-lg transition-all duration-300 relative",
        "dark:bg-transparent dark:border-none", // Темная тема: без фона
        "bg-muted/50 border border-transparent hover:border-border hover:shadow-inner", // Светлая тема: кнопки-клавиши
        social.color,
        social.glow,
        "hover:!opacity-100 hover:scale-110 active:scale-95",
      )}
      style={{ opacity, transition: "opacity 0.05s ease-in-out" }}
    >
      {/* Фоновый отсвет только для темной темы */}
      <div
        className={`absolute inset-0 blur-[6px] opacity-20 hidden dark:block ${social.bgGlow}`}
      />
      <social.icon />
    </Link>
  );
};

export function Footer({
  dict,
  lang,
}: {
  dict: Dictionary["footer"];
  lang: string;
}) {
  const sitemap = [
    {
      title: dict.sections.product,
      links: [
        { name: dict.links.features, href: `/${lang}#features` },
        { name: dict.links.pricing, href: `/${lang}#pricing` },
        { name: dict.links.protocol, href: `/${lang}/docs` },
        { name: dict.links.profile, href: `/${lang}/auth` }, // Добавлена ссылка на профиль
      ],
    },
    {
      title: dict.sections.resources,
      links: [
        { name: dict.links.faq, href: `/${lang}#faq` },
        { name: dict.links.comms, href: `/${lang}/blog` },
      ],
    },
    {
      title: dict.sections.legal,
      links: [
        { name: dict.links.privacy, href: `/${lang}/docs` },
        { name: dict.links.terms, href: `/${lang}/docs` },
      ],
    },
  ];

  const socialLinks = [
    {
      name: "Telegram",
      href: "#",
      icon: Icons.Telegram,
      color: "text-[#0088cc]", // В светлой теме цвет остается плотным
      glow: "dark:drop-shadow-[0_0_8px_rgba(0,136,204,0.8)]", // Ограничиваем свечение только темной темой
      bgGlow: "bg-[#0088cc]",
    },
    // ... аналогично для YouTube, Discord, X, Instagram, Habr (добавь префикс dark: к каждому glow)
    {
      name: "YouTube",
      href: "#",
      icon: Icons.Youtube,
      color: "text-[#ff0000]",
      glow: "dark:drop-shadow-[0_0_8px_rgba(255,0,0,0.8)]",
      bgGlow: "bg-[#ff0000]",
    },
    {
      name: "Discord",
      href: "#",
      icon: Icons.Discord,
      color: "text-[#5865F2]",
      glow: "dark:drop-shadow-[0_0_8px_rgba(88,101,242,0.8)]",
      bgGlow: "bg-[#5865F2]",
    },
    {
      name: "X",
      href: "#",
      icon: Icons.X,
      color: "text-foreground",
      glow: "dark:drop-shadow-[0_0_8px_rgba(255,255,255,0.5)]",
      bgGlow: "bg-white",
    },
    {
      name: "Instagram",
      href: "#",
      icon: Icons.Instagram,
      color: "text-[#E1306C]",
      glow: "dark:drop-shadow-[0_0_8px_rgba(225,48,108,0.8)]",
      bgGlow: "bg-[#E1306C]",
    },
    {
      name: "Habr",
      href: "#",
      icon: Icons.Habr,
      color: "text-[#65A3BE]",
      glow: "dark:drop-shadow-[0_0_8px_rgba(101,163,190,0.8)]",
      bgGlow: "bg-[#65A3BE]",
    },
  ];

  return (
    <footer
      className={`mt-20 border-t border-border/20 bg-background pt-16 pb-12 ${jetbrainsMono.className}`}
    >
      <div className="container mx-auto px-6 max-w-6xl">
        <div className="flex flex-col lg:flex-row justify-between items-start gap-16 lg:gap-8">
          <div className="flex flex-col gap-3 max-w-xs">
            <Link
              href={`/${lang}`}
              className="flex items-center gap-3 group hover:scale-105 transition-transform duration-300 w-fit mt-1"
            >
              {/* Убрали -rotate-2, текст теперь стоит ровно */}
              <div className="text-2xl sm:text-3xl tracking-widest flex items-center select-none font-bold">
                <span
                  className="text-transparent animate-neon-flicker transition-all duration-300"
                  style={{
                    WebkitTextStroke: "1px #00E5F2",
                    filter: "drop-shadow(0 0 5px rgba(0,229,242,0.6))",
                  }}
                >
                  Net
                </span>
                <span
                  className="text-transparent transition-all duration-300"
                  style={{
                    WebkitTextStroke: "1px #00E5F2",
                    filter: "drop-shadow(0 0 5px rgba(0,229,242,0.6))",
                  }}
                >
                  runner
                </span>
                <span
                  className="ml-2 text-transparent opacity-90 group-hover:opacity-100 transition-all duration-300"
                  style={{
                    WebkitTextStroke: "1px #8B3DFF",
                    filter: "drop-shadow(0 0 5px rgba(139,61,255,0.6))",
                  }}
                >
                  VPN
                </span>
              </div>
            </Link>

            <div className="text-xs font-bold text-primary/80 tracking-widest uppercase mt-1 drop-shadow-[0_0_5px_rgba(139,61,255,0.5)]">
              PROTOCOL // ENCRYPTED ACCESS
            </div>

            <p className="text-muted-foreground text-sm leading-relaxed mt-2 max-w-50">
              {dict.tagline}
            </p>

            <div className="flex flex-wrap gap-5 mt-4 items-center">
              {socialLinks.map((social) => (
                <FlickeringSocialIcon key={social.name} social={social} />
              ))}
            </div>
          </div>

          <div className="flex flex-wrap md:flex-nowrap gap-12 lg:gap-16">
            {sitemap.map((section, idx) => (
              <div key={idx} className="flex flex-col gap-5">
                <h4 className="text-foreground font-black text-[13px] uppercase tracking-widest">
                  {section.title}
                </h4>
                <ul className="flex flex-col gap-3">
                  {section.links.map((link, linkIdx) => (
                    <li key={linkIdx}>
                      <Link
                        href={link.href}
                        className="text-muted-foreground hover:text-primary text-sm transition-colors duration-200"
                      >
                        {link.name}
                      </Link>
                    </li>
                  ))}
                </ul>
              </div>
            ))}
          </div>
        </div>

        <div className="mt-20 border border-border/30 bg-card/20 rounded-xl p-6 md:px-10 md:py-8 flex flex-col md:flex-row justify-between items-start md:items-center gap-8 shadow-2xl relative overflow-hidden">
          <div className="absolute top-0 left-1/4 w-1/2 h-full bg-primary/10 blur-3xl -z-10 pointer-events-none" />

          <div className="flex flex-col gap-1">
            <div className="flex items-center gap-2">
              <div className="w-1.5 h-1.5 rounded-full bg-primary shadow-[0_0_8px_rgba(139,61,255,0.8)] animate-pulse" />
              <span className="text-[10px] text-muted-foreground/60 uppercase tracking-widest font-bold">
                Uplink Status
              </span>
            </div>
            <div className="text-2xl font-black text-foreground tracking-tight mt-1">
              464.6 MBPS
            </div>
          </div>

          <div className="flex flex-col gap-1">
            <div className="flex items-center gap-2">
              <div className="w-1.5 h-1.5 rounded-full bg-primary shadow-[0_0_8px_rgba(139,61,255,0.8)]" />
              <span className="text-[10px] text-muted-foreground/60 uppercase tracking-widest font-bold">
                Active Node
              </span>
            </div>
            <div className="text-2xl font-black text-foreground tracking-tight mt-1">
              TYO-SEC-05
            </div>
          </div>

          <div className="flex flex-col gap-1">
            <div className="flex items-center gap-2">
              <div className="w-1.5 h-1.5 rounded-full bg-green-500 shadow-[0_0_8px_rgba(34,197,94,0.8)]" />
              <span className="text-[10px] text-muted-foreground/60 uppercase tracking-widest font-bold">
                Latency (RTT)
              </span>
            </div>
            <div className="text-2xl font-black text-foreground tracking-tight mt-1">
              16 MS
            </div>
          </div>
        </div>
      </div>
    </footer>
  );
}