"use client";

import { Button } from "../ui/button";
import { AspectRatio } from "../ui/aspect-ratio";
import { DragOverlay } from "../ui/drag-overlay";
import { useMediaStore } from "@/stores/media-store";
import { Plus, Image, Video, Music } from "lucide-react";
import { useDragDrop } from "@/hooks/use-drag-drop";

export function MediaPanel() {
  const { mediaItems, addMediaItem } = useMediaStore();

  const { isDragOver, dragProps } = useDragDrop({
    onDrop: (files) => {
      // TODO: Handle file drop functionality
      console.log("Files dropped on media panel:", files);
    },
  });

  const handleAddSampleMedia = () => {
    // Just for testing - add a sample media item
    addMediaItem({
      name: `Sample ${mediaItems.length + 1}`,
      type: "image",
    });
  };

  const getMediaIcon = (type: string) => {
    switch (type) {
      case "video":
        return <Video className="h-4 w-4" />;
      case "audio":
        return <Music className="h-4 w-4" />;
      default:
        return <Image className="h-4 w-4" />;
    }
  };

  return (
    <div
      className={`h-full overflow-y-auto transition-colors duration-200 relative ${
        isDragOver ? "bg-accent/30 border-accent" : ""
      }`}
      {...dragProps}
    >
      <DragOverlay isVisible={isDragOver} />

      <div className="space-y-4 p-2 h-full">
        {/* Media Grid */}
        {mediaItems.length === 0 ? (
          <EmptyMedia onAddSample={handleAddSampleMedia} />
        ) : (
          <div className="grid grid-cols-2 gap-2">
            {mediaItems.map((item) => (
              <Button
                key={item.id}
                variant="outline"
                className="flex flex-col gap-2 p-2 h-auto overflow-hidden"
              >
                <AspectRatio ratio={16 / 9} className="w-full">
                  <div className="w-full h-full bg-muted/30 flex flex-col items-center justify-center text-muted-foreground">
                    {getMediaIcon(item.type)}
                    <span className="text-xs mt-1 truncate max-w-full px-1">
                      {item.name}
                    </span>
                  </div>
                </AspectRatio>
              </Button>
            ))}
          </div>
        )}
      </div>
    </div>
  );
}

function EmptyMedia({ onAddSample }: { onAddSample: () => void }) {
  return (
    <div className="flex flex-col items-center justify-center py-8 text-center h-full">
      <div className="w-16 h-16 rounded-full bg-muted/30 flex items-center justify-center mb-4">
        <Image className="h-8 w-8 text-muted-foreground" />
      </div>
      <p className="text-sm text-muted-foreground">No media in project</p>
      <p className="text-xs text-muted-foreground/70 mt-1">
        Drag files or click to add media
      </p>
      <Button
        variant="outline"
        size="sm"
        className="mt-4"
        onClick={onAddSample}
      >
        <Plus className="h-4 w-4 mr-2" />
        Add Sample
      </Button>
    </div>
  );
}