"use client";

import { useState, useEffect } from "react";
import { motion, Variants } from "framer-motion";
import { Button } from "@/components/ui/button";
import {
  Monitor,
  Smartphone,
  Terminal,
  Apple,
  Download,
  ExternalLink,
  Bell,
  Loader2,
  Clock,
} from "lucide-react";
import { Dictionary } from "@/lib/IDict";
import { pb, type PBDownload, getPbFileUrl } from "@/lib/pb";

interface DownloadClientProps {
  dict: Dictionary["download"];
  lang: string;
}

export function DownloadClient({ dict, lang }: DownloadClientProps) {
  const [platforms, setPlatforms] = useState<PBDownload[]>([]);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    async function fetchDownloads() {
      try {
        setLoading(true);
        const records = await pb
          .collection(`downloads_${lang}`)
          .getFullList<PBDownload>({
            sort: "order",
            requestKey: null,
          });
        setPlatforms(records);
      } catch (error) {
        console.error("Ошибка загрузки данных платформы:", error);
      } finally {
        setLoading(false);
      }
    }
    fetchDownloads();
  }, [lang]);

  // Единый конфиг стилей: Primary (Фиолетовый) для базы, Secondary (Циан) для акцентов
  const getPlatformIcon = (platformId: string) => {
    const props = {
      className:
        "size-8 text-secondary drop-shadow-[0_0_10px_rgba(0,229,242,0.8)]",
    };
    switch (platformId) {
      case "windows":
        return <Monitor {...props} />;
      case "linux":
        return <Terminal {...props} />;
      case "android":
        return <Smartphone {...props} />;
      case "macos":
      case "ios":
        return <Apple {...props} />;
      default:
        return <Download {...props} />;
    }
  };

  const containerVariants: Variants = {
    hidden: { opacity: 0 },
    show: {
      opacity: 1,
      transition: { staggerChildren: 0.1 },
    },
  };

  const itemVariants: Variants = {
    hidden: { opacity: 0, y: 40 },
    show: {
      opacity: 1,
      y: 0,
      transition: { type: "spring", stiffness: 300, damping: 24 },
    },
  };

  return (
    <div className="min-h-screen pt-32 pb-24 px-4 container mx-auto max-w-5xl relative">
      {/* Мягкое фоновое свечение */}
      <div className="absolute top-1/4 left-1/2 -translate-x-1/2 w-full max-w-[800px] h-[400px] bg-primary/5 blur-[120px] rounded-full pointer-events-none -z-10" />

      <div className="text-center mb-20">
        <h1 className="text-4xl md:text-6xl font-black tracking-tighter mb-6 text-foreground">
          {dict.title}
        </h1>
        <p className="text-muted-foreground text-lg max-w-2xl mx-auto font-medium">
          {dict.subtitle}
        </p>
      </div>

      {loading ? (
        <div className="flex flex-col items-center justify-center py-20 text-primary opacity-50">
          <Loader2 className="w-10 h-10 animate-spin mb-4" />
          <span className="font-mono text-xs uppercase tracking-[0.3em]">
            Accessing_Build_Server...
          </span>
        </div>
      ) : (
        <motion.div
          variants={containerVariants}
          initial="hidden"
          animate="show"
          className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 md:gap-8"
        >
          {platforms.map((platform) => (
            <motion.div
              key={platform.id}
              variants={itemVariants}
              className={`bg-card/40 backdrop-blur-xl border border-border/50 rounded-[2.5rem] p-8 md:p-10 flex flex-col transition-all duration-500 relative overflow-hidden group hover:border-primary/40 hover:shadow-[0_0_40px_rgba(139,61,255,0.15)] ${
                platform.status === "dev" ? "opacity-60 grayscale-[50%]" : ""
              }`}
            >
              {/* Статус бейдж */}
              <div className="absolute top-8 right-8">
                {platform.status === "active" ? (
                  <div className="px-3 py-1 rounded-full bg-primary/10 border border-primary/20 text-primary text-[10px] font-bold uppercase tracking-widest shadow-sm">
                    {dict.badges.active}
                  </div>
                ) : (
                  <div className="px-3 py-1 rounded-full bg-muted border border-border text-muted-foreground text-[10px] font-bold uppercase tracking-widest">
                    {dict.badges.dev}
                  </div>
                )}
              </div>

              {/* Иконка в Циановом (Secondary) стиле */}
              <div className="mb-10 p-5 rounded-[1.5rem] bg-secondary/10 inline-flex border border-secondary/20 shadow-[0_0_20px_rgba(0,229,242,0.15)] w-fit transition-transform duration-500 group-hover:scale-110">
                {getPlatformIcon(platform.platformId)}
              </div>

              <div className="mb-10">
                <h3 className="text-2xl font-bold text-foreground mb-2 tracking-tight">
                  {platform.name}
                </h3>
                <p className="text-sm text-muted-foreground font-mono">
                  {platform.version}
                </p>
              </div>

              {/* Кнопки действий: Основная всегда Фиолетовая (Primary) */}
              <div className="mt-auto flex flex-col gap-3">
                {platform.status === "active" ? (
                  <>
                    {/* Прямое скачивание */}
                    {platform.file ? (
                      <Button
                        asChild
                        className="w-full h-14 rounded-2xl font-bold gap-3 bg-primary text-primary-foreground hover:bg-primary/90 shadow-[0_0_20px_rgba(139,61,255,0.3)] transition-all active:scale-[0.98]"
                      >
                        <a
                          href={getPbFileUrl(platform, platform.file)}
                          download
                        >
                          <Download className="size-5" />
                          {dict.buttons.direct}
                        </a>
                      </Button>
                    ) : (
                      <Button
                        disabled
                        variant="outline"
                        className="w-full h-14 rounded-2xl font-bold gap-3 opacity-50 bg-background/50 border-dashed"
                      >
                        <Download className="size-5" />
                        Build Pending
                      </Button>
                    )}

                    {/* Ссылка на магазин (Вместо GitHub) */}
                    {platform.storeLink ? (
                      <Button
                        asChild
                        variant="outline"
                        className="w-full h-14 rounded-2xl gap-3 border-border/50 bg-background/30 text-muted-foreground hover:text-foreground hover:border-primary/30 transition-all"
                      >
                        <a
                          href={platform.storeLink}
                          target="_blank"
                          rel="noopener noreferrer"
                        >
                          <ExternalLink className="size-4" />
                          {dict.buttons.store}
                        </a>
                      </Button>
                    ) : (
                      <Button
                        variant="outline"
                        disabled
                        className="w-full h-14 rounded-2xl gap-3 border-border/20 bg-background/20 text-muted-foreground/40 cursor-not-allowed"
                      >
                        <Clock className="size-4" />
                        {dict.buttons.soon}
                      </Button>
                    )}
                  </>
                ) : (
                  // В разработке
                  <Button
                    variant="secondary"
                    disabled
                    className="w-full h-14 rounded-2xl gap-3 opacity-40 cursor-not-allowed bg-muted"
                  >
                    <Bell className="size-4" />
                    {dict.buttons.notify}
                  </Button>
                )}
              </div>
            </motion.div>
          ))}
        </motion.div>
      )}
    </div>
  );
}