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// components/download-all.tsx
import { useState } from "react";
import { Download } from "lucide-react";
import { motion } from "framer-motion";
import { useParams } from "next/navigation";
import { toast } from "sonner";
import { Button } from "@/components/ui/button";
import { Progress } from "@/components/ui/progress";

export function DownloadAll() {
  const [isDownloading, setIsDownloading] = useState(false);
  const [progress, setProgress] = useState(0);
  const params = useParams();
  const clientId = params.clientId as string;

  const handleDownloadAll = async () => {
    try {
      setIsDownloading(true);
      setProgress(20);
      
      // Direct URL to the pre-generated ZIP file
      const zipUrl = `${process.env.NEXT_PUBLIC_R2_PUBLIC_URL}/${clientId}/images.zip`;
      
      toast.info("Download wird vorbereitet", {
        description: "Bitte warten Sie, während die Datei vorbereitet wird."
      });
      
      // Start download
      setProgress(50);
      
      // Create a temporary link to download the file
      const link = document.createElement('a');
      link.href = zipUrl;
      link.download = `${clientId}-fotos.zip`;
      
      // Append to the document and click
      document.body.appendChild(link);
      link.click();
      
      // Cleanup the link
      document.body.removeChild(link);
      
      setProgress(100);
      toast.success("Download gestartet", {
        description: "Die Datei wird jetzt heruntergeladen."
      });
      
      // Reset after a delay
      setTimeout(() => {
        setIsDownloading(false);
        setProgress(0);
      }, 3000);
      
    } catch (error) {
      console.error("Download failed:", error);
      setIsDownloading(false);
      setProgress(0);
      
      toast.error("Download fehlgeschlagen", {
        description: "Bitte versuchen Sie es später erneut."
      });
    }
  };

  return (
    <motion.div
      initial={{ opacity: 0, y: 20 }}
      animate={{ opacity: 1, y: 0 }}
      className="mb-12 rounded-lg border bg-card p-4 text-card-foreground shadow-sm"
    >
      <div className="flex flex-col items-center gap-4 text-center sm:flex-row sm:justify-between sm:text-left">
        <div>
          <h2 className="text-lg font-semibold">Alle Fotos herunterladen</h2>
          <p className="text-sm text-muted-foreground hidden sm:block">
            Erhalten Sie alle Fotos in Originalqualität in einer einzigen Datei
          </p>
        </div>
        <div className="flex flex-col gap-2 min-w-[200px]">
          {isDownloading ? (
            <div className="space-y-2">
              <Progress value={progress} className="w-full" />
              <p className="text-sm text-muted-foreground text-center">
                {progress === 100 ? "Download gestartet!" : "Download wird vorbereitet..."}
              </p>
            </div>
          ) : (
            <Button size="lg" onClick={handleDownloadAll}>
              <Download className="mr-2 h-4 w-4" />
              Alle herunterladen
            </Button>
          )}
        </div>
      </div>
    </motion.div>
  );
}

export default DownloadAll;