From c9431dcffcc463fec6b48fb82c8ace6bf688fda8 Mon Sep 17 00:00:00 2001
From: mbaharip <62494292+mbahArip@users.noreply.github.com>
Date: Wed, 8 May 2024 08:55:40 +0700
Subject: [PATCH] Update preview logic

---
 src/app/@preview.audio.tsx  |  75 +++++++++---
 src/app/@preview.doc.tsx    |  55 +++++++--
 src/app/@preview.image.tsx  |  75 ++++++++++--
 src/app/@preview.layout.tsx |  95 ++++++++++-----
 src/app/@preview.manga.tsx  | 229 ++++++++++++++++++++++++++++--------
 src/app/@preview.rich.tsx   |  21 ++--
 src/app/@preview.video.tsx  |  48 ++++----
 7 files changed, 447 insertions(+), 151 deletions(-)

diff --git a/src/app/@preview.audio.tsx b/src/app/@preview.audio.tsx
index eaf7e51..ba5d2dc 100644
--- a/src/app/@preview.audio.tsx
+++ b/src/app/@preview.audio.tsx
@@ -1,7 +1,7 @@
 "use client";
 
+import dynamic from "next/dynamic";
 import { useEffect, useState } from "react";
-import AudioPlayer from "react-h5-audio-player";
 import "react-h5-audio-player/lib/styles.css";
 import { z } from "zod";
 import { Schema_File } from "~/schema";
@@ -10,7 +10,27 @@ import { cn } from "~/utils";
 import Icon from "~/components/Icon";
 
 import { CreateDownloadToken } from "./actions";
-import "./r5-style.css";
+
+// import "./r5-style.css";
+
+const Plyr = dynamic(() => import("plyr-react"), {
+  ssr: false,
+  loading: () => (
+    <div
+      className={cn(
+        "h-auto min-h-[50dvh] w-full",
+        "flex flex-grow flex-col items-center justify-center gap-3",
+      )}
+    >
+      <Icon
+        name='LoaderCircle'
+        size={32}
+        className='animate-spin text-foreground'
+      />
+      <p>Loading player...</p>
+    </div>
+  ),
+});
 
 type Props = {
   file: z.infer<typeof Schema_File>;
@@ -28,7 +48,7 @@ export default function PreviewAudio({ file }: Props) {
           return;
         }
         const token = await CreateDownloadToken();
-        setAudioSrc(`/api/download/${file.encryptedId}?token=${token}`);
+        setAudioSrc(`/api/stream/${file.encryptedId}?token=${token}`);
       } catch (error) {
         const e = error as Error;
         console.error(e);
@@ -66,20 +86,43 @@ export default function PreviewAudio({ file }: Props) {
         </div>
       ) : (
         <div className='w-full'>
-          <AudioPlayer
-            autoPlay={false}
-            layout='stacked-reverse'
-            src={audioSrc}
-            showJumpControls={false}
-            showFilledVolume
-            style={{
-              borderRadius: "var(--radius)",
+          <Plyr
+            source={{
+              type: "audio",
+              sources: [
+                {
+                  src: audioSrc,
+                  type: file.mimeType,
+                  size: file.size,
+                },
+              ],
+              title: file.name,
             }}
-            onError={(e) => {
-              console.error(e);
-              setError(
-                "Could not preview this audio, try downloading the file",
-              );
+            options={{
+              controls: [
+                "play-large",
+                "play",
+                "progress",
+                "current-time",
+                "duration",
+                "mute",
+                "volume",
+                "settings",
+                "fullscreen",
+              ],
+              volume: 0.5,
+              muted: false,
+              loop: {
+                active: false,
+              },
+              speed: {
+                selected: 1,
+                options: [0.5, 1, 1.5, 2],
+              },
+              keyboard: {
+                focused: true,
+                global: false,
+              },
             }}
           />
         </div>
diff --git a/src/app/@preview.doc.tsx b/src/app/@preview.doc.tsx
index 3b6380a..327370c 100644
--- a/src/app/@preview.doc.tsx
+++ b/src/app/@preview.doc.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import DocViewer, { DocViewerRenderers } from "@cyntler/react-doc-viewer";
+import DocViewer, { DocRenderer } from "@cyntler/react-doc-viewer";
 import { useEffect, useState } from "react";
 import { z } from "zod";
 import { Schema_File } from "~/schema";
@@ -8,15 +8,49 @@ import { cn } from "~/utils";
 
 import Icon from "~/components/Icon";
 
+import config from "~/config/gIndex.config";
+
 import { CreateDownloadToken } from "./actions";
 
+const GoogleDocsViewerRenderer: DocRenderer = ({
+  mainState: { currentDocument },
+}) => {
+  if (!currentDocument || !currentDocument.uri) return null;
+
+  const viewerUrl = new URL(`/gview`, "https://docs.google.com");
+  viewerUrl.searchParams.set("url", currentDocument.uri);
+  viewerUrl.searchParams.set("embedded", "true");
+
+  return (
+    <iframe
+      src={viewerUrl.toString()}
+      className='m-0 h-full max-h-[70dvh] min-h-[70dvh] w-full overflow-hidden rounded-[var(--radius)] border border-border p-0 !text-black'
+      frameBorder={0}
+    />
+  );
+};
+GoogleDocsViewerRenderer.fileTypes = [
+  "application/vnd.google-apps.document",
+  "application/vnd.google-apps.presentation",
+  "application/vnd.google-apps.spreadsheet",
+  "application/msword",
+  "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+  "application/vnd.ms-excel",
+  "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+  "application/vnd.ms-powerpoint",
+  "application/vnd.openxmlformats-officedocument.presentationml.presentation",
+  "text/csv",
+  "application/pdf",
+  "application/vnd.oasis.opendocument.text",
+];
+GoogleDocsViewerRenderer.weight = 100;
+
 type Props = {
   file: z.infer<typeof Schema_File>;
 };
 
 export default function PreviewDoc({ file }: Props) {
   const [docSrc, setDocSrc] = useState<string>("");
-  const [docBuffer, setDocBuffer] = useState<ArrayBuffer>();
   const [loading, setLoading] = useState<boolean>(true);
   const [error, setError] = useState<string>("");
 
@@ -28,11 +62,12 @@ export default function PreviewDoc({ file }: Props) {
           return;
         }
         const token = await CreateDownloadToken();
-        const buffer = await fetch(
-          `/api/download/${file.encryptedId}?token=${token}`,
-        ).then((res) => res.arrayBuffer());
-        setDocBuffer(buffer);
-        setDocSrc(`/api/download/${file.encryptedId}?token=${token}`);
+        const streamURL = new URL(
+          `/api/stream/${file.encryptedId}`,
+          config.basePath,
+        );
+        streamURL.searchParams.set("token", token);
+        setDocSrc(streamURL.toString());
       } catch (error) {
         const e = error as Error;
         console.error(e);
@@ -74,12 +109,11 @@ export default function PreviewDoc({ file }: Props) {
           documents={[
             {
               uri: docSrc,
-              fileData: docBuffer,
               fileName: file.name,
               fileType: file.mimeType,
             },
           ]}
-          pluginRenderers={DocViewerRenderers}
+          pluginRenderers={[GoogleDocsViewerRenderer]}
           config={{
             header: {
               disableHeader: true,
@@ -118,7 +152,8 @@ export default function PreviewDoc({ file }: Props) {
             },
           }}
           className={cn(
-            "h-full max-h-[70dvh] min-h-[70dvh] w-full rounded-[var(--radius)] border border-border !text-black",
+            "h-full max-h-[70dvh] min-h-[70dvh] w-full overflow-hidden rounded-[var(--radius)] !text-black",
+            "rounded-[var(--radius)] [&>div#proxy-renderer]:overflow-hidden ",
           )}
           theme={{
             disableThemeScrollbar: true,
diff --git a/src/app/@preview.image.tsx b/src/app/@preview.image.tsx
index 88a9eeb..0d60d27 100644
--- a/src/app/@preview.image.tsx
+++ b/src/app/@preview.image.tsx
@@ -6,6 +6,9 @@ import { Schema_File } from "~/schema";
 import { cn } from "~/utils";
 
 import Icon from "~/components/Icon";
+import { Alert, AlertDescription, AlertTitle } from "~/components/ui/alert";
+
+import config from "~/config/gIndex.config";
 
 import { CreateDownloadToken } from "./actions";
 
@@ -13,7 +16,10 @@ type Props = {
   file: z.infer<typeof Schema_File>;
 };
 export default function PreviewImage({ file }: Props) {
-  const [imgSrc, setImgSrc] = useState<string>("");
+  const [imgSrc, setImgSrc] = useState<string>(
+    `/api/thumb/${file.encryptedId}?size=4`,
+  );
+  const [imgLoaded, setImgLoaded] = useState<boolean>(false);
   const [loading, setLoading] = useState<boolean>(true);
   const [error, setError] = useState<string>("");
 
@@ -25,7 +31,31 @@ export default function PreviewImage({ file }: Props) {
           return;
         }
         const token = await CreateDownloadToken();
-        setImgSrc(`/api/download/${file.encryptedId}?token=${token}&media=1`);
+
+        const streamURL = new URL(
+          `/api/thumb/${file.encryptedId}?size=1000`,
+          config.basePath,
+        );
+        streamURL.searchParams.set("token", token);
+        fetch(streamURL, {
+          headers: {
+            Range: `bytes=0-${(file.size || 1) - 1}`,
+          },
+        })
+          .then((res) => {
+            if (!res.ok) {
+              throw new Error("Could not load image");
+            }
+            return res.blob();
+          })
+          .then((blob) => {
+            const urlobject = URL.createObjectURL(blob);
+            setImgSrc(urlobject);
+            const timeout = setTimeout(() => {
+              setImgLoaded(true);
+              clearTimeout(timeout);
+            }, 150); // Add a delay to show the image
+          });
       } catch (error) {
         const e = error as Error;
         console.error(e);
@@ -62,15 +92,38 @@ export default function PreviewImage({ file }: Props) {
           <span className='text-center text-destructive'>{error}</span>
         </div>
       ) : (
-        <img
-          src={imgSrc}
-          alt={file.name}
-          className='max-h-[70dvh] w-full rounded-[var(--radius)] bg-muted object-contain object-center'
-          onError={(e) => {
-            console.error(e);
-            setError("Could not preview this image, try downloading the file");
-          }}
-        />
+        <div className='h-fit w-full space-y-3 overflow-hidden rounded-[var(--radius)]'>
+          <img
+            src={imgSrc}
+            alt={file.name}
+            className={cn(
+              "h-full max-h-[70dvh] w-full bg-muted object-contain object-center transition",
+              imgLoaded ? "blur-none" : "animate-pulse blur",
+            )}
+            onError={(e) => {
+              console.error(e);
+              setError(
+                "Could not preview this image, try downloading the file",
+              );
+            }}
+          />
+
+          <Alert className='bg-yellow-50 text-yellow-600 dark:bg-yellow-950 dark:text-yellow-500'>
+            <div className='flex items-start gap-3'>
+              <Icon
+                name='TriangleAlert'
+                className='size-5'
+              />
+              <div className='flex flex-col'>
+                <AlertTitle>Preview Only</AlertTitle>
+                <AlertDescription>
+                  This image is a preview and may not be the full resolution.
+                  Please download the file for the full resolution.
+                </AlertDescription>
+              </div>
+            </div>
+          </Alert>
+        </div>
       )}
     </div>
   );
diff --git a/src/app/@preview.layout.tsx b/src/app/@preview.layout.tsx
index f34bf0d..01119cf 100644
--- a/src/app/@preview.layout.tsx
+++ b/src/app/@preview.layout.tsx
@@ -3,11 +3,15 @@
 import { useState } from "react";
 import { z } from "zod";
 import { Schema_File } from "~/schema";
+import { cn } from "~/utils";
 
+import Icon from "~/components/Icon";
 import { Card, CardContent } from "~/components/ui/card";
 
 import { getFileType } from "~/utils/previewHelper";
 
+import config from "~/config/gIndex.config";
+
 import PreviewAction from "./@preview.action";
 import PreviewAudio from "./@preview.audio";
 import PreviewDoc from "./@preview.doc";
@@ -35,39 +39,66 @@ export default function FilePreviewLayout({ data, fileType }: Props) {
           fileType={fileType}
         />
         <CardContent className='p-1.5 pt-0 tablet:p-3 tablet:pt-0'>
-          <div className='px-3'>
-            {fileType === "image" ? (
-              <PreviewImage file={data} />
-            ) : fileType === "audio" ? (
-              <PreviewAudio file={data} />
-            ) : fileType === "video" ? (
-              <PreviewVideo file={data} />
-            ) : fileType === "code" ? (
-              <PreviewRich
-                file={data}
-                code
-                view={view}
+          {config.apiConfig.streamMaxSize &&
+          Number(data.size || 0) > config.apiConfig.streamMaxSize ? (
+            <div
+              className={cn(
+                "h-auto min-h-[33dvh] w-full",
+                "flex flex-grow flex-col items-center justify-center gap-3",
+              )}
+            >
+              <Icon
+                name='Frown'
+                size={32}
+                className='text-muted-foreground'
               />
-            ) : fileType === "text" ? (
-              <PreviewRich
-                file={data}
-                view={view}
-              />
-            ) : fileType === "markdown" ? (
-              <PreviewRich
-                file={data}
-                view={view}
-              />
-            ) : fileType === "document" ? (
-              <PreviewDoc file={data} />
-            ) : fileType === "pdf" ? (
-              <PreviewDoc file={data} />
-            ) : fileType === "manga" ? (
-              <PreviewManga file={data} />
-            ) : (
-              <PreviewUnknown />
-            )}
-          </div>
+              <h4 className='text-muted-foreground'>Preview not available</h4>
+              <p className='text-center text-muted-foreground tablet:text-sm'>
+                Looks like this file size exceed the preview size limit
+              </p>
+            </div>
+          ) : (
+            /**
+             * TODO: Might need a better way to handle large files preview
+             * like manga, pdf, etc
+             *
+             * For now it's downloading the whole file and then previewing it
+             * which is not a good implementation
+             */
+            <div className='px-3'>
+              {fileType === "image" ? (
+                <PreviewImage file={data} />
+              ) : fileType === "audio" ? (
+                <PreviewAudio file={data} />
+              ) : fileType === "video" ? (
+                <PreviewVideo file={data} />
+              ) : fileType === "code" ? (
+                <PreviewRich
+                  file={data}
+                  code
+                  view={view}
+                />
+              ) : fileType === "text" ? (
+                <PreviewRich
+                  file={data}
+                  view={view}
+                />
+              ) : fileType === "markdown" ? (
+                <PreviewRich
+                  file={data}
+                  view={view}
+                />
+              ) : fileType === "document" ? (
+                <PreviewDoc file={data} />
+              ) : fileType === "pdf" ? (
+                <PreviewDoc file={data} />
+              ) : fileType === "manga" ? (
+                <PreviewManga file={data} />
+              ) : (
+                <PreviewUnknown />
+              )}
+            </div>
+          )}
         </CardContent>
       </Card>
       <PreviewAction file={data} />
diff --git a/src/app/@preview.manga.tsx b/src/app/@preview.manga.tsx
index 447329c..bf07b07 100644
--- a/src/app/@preview.manga.tsx
+++ b/src/app/@preview.manga.tsx
@@ -1,12 +1,14 @@
 "use client";
 
-import JSZip from "jszip";
-import { useEffect, useState } from "react";
+import { AsyncUnzipInflate, Unzip } from "fflate";
+import { useEffect, useRef, useState } from "react";
 import { z } from "zod";
 import { Schema_File } from "~/schema";
 import { cn } from "~/utils";
 
 import Icon from "~/components/Icon";
+import { Alert, AlertDescription, AlertTitle } from "~/components/ui/alert";
+import { Button } from "~/components/ui/button";
 import {
   Carousel,
   CarouselApi,
@@ -15,9 +17,12 @@ import {
   CarouselNext,
   CarouselPrevious,
 } from "~/components/ui/carousel";
+import { Progress } from "~/components/ui/progress";
 
 import useMediaQuery from "~/hooks/useMediaQuery";
 
+import config from "~/config/gIndex.config";
+
 import { CreateDownloadToken } from "./actions";
 
 type Props = {
@@ -31,40 +36,101 @@ export default function PreviewManga({ file }: Props) {
   const [currentImage, setCurrentImage] = useState<number>(1);
   const [viewSize, setViewSize] = useState<"fit" | "full">("fit");
   const [api, setApi] = useState<CarouselApi>();
+
+  const [loadedPercent, setLoadedPercent] = useState<number>(0);
+  const [loadFirstX, setLoadFirstX] = useState<number>(5); // 5MB
+
+  const abortController = useRef<AbortController>(new AbortController());
+
   const isDesktop = useMediaQuery("(min-width: 768px)");
 
   useEffect(() => {
     (async () => {
       try {
+        if (!abortController.current) {
+          abortController.current = new AbortController();
+        }
         if (!file.encryptedWebContentLink) {
           setError("No video to preview");
           return;
         }
         const token = await CreateDownloadToken();
-        const manga = await fetch(
-          `/api/download/${file.encryptedId}?token=${token}`,
+        const streamURL = new URL(
+          `/api/stream/${file.encryptedId}`,
+          config.basePath,
         );
-        const archiveBlob = await manga.blob();
-        const zipData = await JSZip.loadAsync(archiveBlob);
+        streamURL.searchParams.set("token", token);
 
-        const tempArray: { name: string; blob: string }[] = [];
-        const files = Object.values(zipData.files);
-        for (const file of files) {
-          const f = zipData.file(file.name);
-          if (!f) continue;
-          const blob = await f.async("blob");
-          const reader = new FileReader();
-          reader.onload = () => {
-            setImages((prev) => {
-              const exist = prev.find((p) => p.name === file.name);
-              if (exist) return prev;
-              return [
-                ...prev,
-                { name: file.name, blob: reader.result as string },
-              ];
-            });
-          };
-          reader.readAsDataURL(blob);
+        const bufferStream = await fetch(streamURL, {
+          signal: abortController.current.signal,
+          headers: {
+            Range: `bytes=0-${
+              Math.min(Number(file.size || 1), loadFirstX * 1024 * 1024) - 1
+            }`,
+          },
+        });
+
+        const contentLength = bufferStream.headers.get("Content-Length");
+        const totalBytes = parseInt(contentLength || "0", 10);
+
+        const reader = bufferStream.body?.getReader();
+        if (reader) {
+          const chunks: Uint8Array[] = [];
+          let receivedLength = 0;
+
+          while (true) {
+            const { done, value } = await reader.read();
+            if (done) break;
+
+            if (value) {
+              chunks.push(value);
+              receivedLength += value.length;
+
+              const percent = (receivedLength / totalBytes) * 100;
+              setLoadedPercent((prev) => {
+                if (percent > prev) return percent;
+                return prev;
+              });
+            }
+          }
+
+          const buffer = new Uint8Array(receivedLength);
+          let position = 0;
+          for (const chunk of chunks) {
+            buffer.set(chunk, position);
+            position += chunk.length;
+          }
+
+          const unzip = new Unzip((file) => {
+            file.ondata = (err, data, final) => {
+              if (err) throw err;
+              // Check if the file is an image
+              if (
+                !file.name
+                  .toLowerCase()
+                  .includes(".jpg" || ".jpeg" || ".png" || ".gif" || ".webp")
+              )
+                return;
+              if (!final) return; // Skip if not fully loaded
+
+              const blob = new Blob([data]);
+              const reader = new FileReader();
+              reader.onload = () => {
+                setImages((prev) => {
+                  const exist = prev.find((p) => p.name === file.name);
+                  if (exist) return prev;
+                  return [
+                    ...prev,
+                    { name: file.name, blob: reader.result as string },
+                  ];
+                });
+              };
+              reader.readAsDataURL(blob);
+            };
+            file.start();
+          });
+          unzip.register(AsyncUnzipInflate);
+          unzip.push(buffer);
         }
       } catch (error) {
         const e = error as Error;
@@ -74,7 +140,12 @@ export default function PreviewManga({ file }: Props) {
         setLoading(false);
       }
     })();
-  }, [file]);
+
+    // return () => {
+    //   abortController.current.abort("Cancelled by user");
+    // };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
 
   useEffect(() => {
     if (!api) return;
@@ -99,7 +170,31 @@ export default function PreviewManga({ file }: Props) {
             size={32}
             className='animate-spin text-foreground'
           />
-          <p>Loading manga content...</p>
+          <p>Please wait while we downloading the content for preview</p>
+          <div className='flex w-full max-w-sm flex-col gap-1'>
+            <Progress
+              className='h-2 w-full'
+              value={loadedPercent}
+            />
+            <span className='text-center text-xs text-muted-foreground'>
+              {Math.round(loadedPercent)}% loaded
+            </span>
+          </div>
+          <Button
+            size={"sm"}
+            variant={"secondary"}
+            onClick={async () => {
+              abortController.current.abort("Cancelled by user");
+
+              const timeout = setTimeout(() => {
+                setLoading(false);
+                setError("Preview cancelled by user");
+                clearTimeout(timeout);
+              }, 100);
+            }}
+          >
+            Cancel Preview
+          </Button>
         </div>
       ) : error ? (
         <div className='flex h-full flex-col items-center justify-center gap-3'>
@@ -111,7 +206,7 @@ export default function PreviewManga({ file }: Props) {
           <span className='text-center text-destructive'>{error}</span>
         </div>
       ) : (
-        <div className='flex flex-col gap-3'>
+        <div className='flex w-full flex-col items-center justify-center gap-3'>
           <div className='h-full w-full tablet:px-8'>
             <Carousel
               className={cn(
@@ -124,24 +219,28 @@ export default function PreviewManga({ file }: Props) {
               setApi={setApi}
             >
               <CarouselContent className='h-full w-full'>
-                {images.map((image, index) => (
-                  <CarouselItem
-                    key={index}
-                    className='flex h-full flex-col items-center justify-center'
-                  >
-                    <img
-                      src={image.blob}
-                      alt={`${image.name} - Page ${index + 1}`}
-                      className={cn(
-                        "w-full object-contain",
-                        viewSize === "fit" ? "h-full max-h-[70dvh]" : "h-full",
-                      )}
-                    />
-                    <span className='muted text-center text-xs'>
-                      {image.name}
-                    </span>
-                  </CarouselItem>
-                ))}
+                {images
+                  .sort((a, b) => a.name.localeCompare(b.name))
+                  .map((image, index) => (
+                    <CarouselItem
+                      key={index}
+                      className='flex h-full flex-col items-center justify-center'
+                    >
+                      <img
+                        src={image.blob}
+                        alt={`${image.name} - Page ${index + 1}`}
+                        className={cn(
+                          "w-full object-contain",
+                          viewSize === "fit"
+                            ? "h-full max-h-[70dvh]"
+                            : "h-full",
+                        )}
+                      />
+                      <span className='muted text-center text-xs'>
+                        {image.name}
+                      </span>
+                    </CarouselItem>
+                  ))}
               </CarouselContent>
               {isDesktop ? (
                 <>
@@ -151,11 +250,27 @@ export default function PreviewManga({ file }: Props) {
               ) : null}
             </Carousel>
           </div>
-          <div className='flex w-full items-center justify-end gap-1.5'>
-            <span className='muted text-sm'>
+          <div className='flex w-full items-center justify-end gap-3'>
+            <span className='text-primary-foreground'>
               {currentImage}/{images.length}
             </span>
-            <div
+            <Button
+              size='icon'
+              variant={"ghost"}
+              className='aspect-square size-8 p-0.5'
+              onClick={() =>
+                setViewSize((prev) => {
+                  if (prev === "fit") return "full";
+                  return "fit";
+                })
+              }
+            >
+              <Icon
+                name={viewSize === "fit" ? "Maximize" : "Minimize"}
+                size={16}
+              />
+            </Button>
+            {/* <div
               className='relative z-10 cursor-pointer p-0.5 text-foreground/80 transition hover:text-foreground'
               onClick={() => setViewSize(viewSize === "fit" ? "full" : "fit")}
             >
@@ -163,8 +278,24 @@ export default function PreviewManga({ file }: Props) {
                 name={viewSize === "fit" ? "Maximize" : "Minimize"}
                 size={14}
               />
-            </div>
+            </div> */}
           </div>
+
+          <Alert className='bg-yellow-50 text-yellow-600 dark:bg-yellow-950 dark:text-yellow-500'>
+            <div className='flex items-start gap-3'>
+              <Icon
+                name='TriangleAlert'
+                className='size-5'
+              />
+              <div className='flex flex-col'>
+                <AlertTitle>Preview Only</AlertTitle>
+                <AlertDescription>
+                  We only load the first {loadFirstX}MB of the file for preview.
+                  Please download the file for full content.
+                </AlertDescription>
+              </div>
+            </div>
+          </Alert>
         </div>
       )}
     </div>
diff --git a/src/app/@preview.rich.tsx b/src/app/@preview.rich.tsx
index a546939..1d56239 100644
--- a/src/app/@preview.rich.tsx
+++ b/src/app/@preview.rich.tsx
@@ -36,7 +36,7 @@ export default function PreviewRich({ file, code, view }: Props) {
         // if (code) {
         //   setContent(`\`\`\`${file.fileExtension}\n${text}\`\`\``);
         // } else {
-        setContent(text);
+        setContent(text.trim());
         // }
       } catch (error) {
         const e = error as Error;
@@ -91,7 +91,7 @@ export default function PreviewRich({ file, code, view }: Props) {
             <Markdown
               content={
                 code && view === "markdown"
-                  ? `\`\`\`${file.fileExtension}\n${content}\`\`\``
+                  ? `\`\`\`${file.fileExtension}\n${content}`
                   : content
               }
               view={view}
@@ -99,23 +99,26 @@ export default function PreviewRich({ file, code, view }: Props) {
           </div>
           <div
             className={cn(
-              "absolute bottom-0 z-10 flex w-full items-center justify-center py-3 transition",
-              expand
-                ? "pointer-events-none opacity-0"
-                : "pointer-events-auto opacity-100",
+              "bottom-0 z-10 flex w-full items-center justify-center py-3 transition",
+              expand ? "relative" : "absolute",
+              // expand
+              //   ? "pointer-events-none opacity-0"
+              //   : "pointer-events-auto opacity-100",
             )}
           >
             <Button
               size={"sm"}
+              variant={"secondary"}
+              className='gap-1.5'
               onClick={() => {
-                setExpand(true);
+                setExpand((prev) => !prev);
               }}
             >
               <Icon
-                name='ChevronDown'
+                name={expand ? "ChevronUp" : "ChevronDown"}
                 size={16}
               />
-              Expand
+              {expand ? "Collapse" : "Expand"}
             </Button>
           </div>
         </div>
diff --git a/src/app/@preview.video.tsx b/src/app/@preview.video.tsx
index 73f15aa..1a4e634 100644
--- a/src/app/@preview.video.tsx
+++ b/src/app/@preview.video.tsx
@@ -12,6 +12,21 @@ import { CreateDownloadToken } from "./actions";
 
 const Plyr = dynamic(() => import("plyr-react"), {
   ssr: false,
+  loading: () => (
+    <div
+      className={cn(
+        "h-auto min-h-[50dvh] w-full",
+        "flex flex-grow flex-col items-center justify-center gap-3",
+      )}
+    >
+      <Icon
+        name='LoaderCircle'
+        size={32}
+        className='animate-spin text-foreground'
+      />
+      <p>Loading player...</p>
+    </div>
+  ),
 });
 
 type Props = {
@@ -78,6 +93,7 @@ export default function PreviewVideo({ file }: Props) {
                   size: file.size,
                 },
               ],
+              poster: `/api/thumb/${file.encryptedId}?size=1000`,
             }}
             // crossOrigin='anonymous'
             options={{
@@ -97,33 +113,17 @@ export default function PreviewVideo({ file }: Props) {
                 "download",
                 "fullscreen",
               ],
+              volume: 0.5,
+              muted: false,
+              loop: { active: false },
+              speed: { selected: 1, options: [0.5, 1, 1.5, 2] },
+              keyboard: {
+                focused: true,
+                global: true,
+              },
             }}
           />
         </div>
-        // <ReactPlayer
-        //   key={file.encryptedId}
-        //   url={videoSrc}
-        //   controls
-        //   pip
-        //   wrapper={({ children }) => (
-        //     <div className='h-[60dvh] w-full overflow-hidden rounded-[var(--radius)] bg-muted'>
-        //       {children}
-        //     </div>
-        //   )}
-        //   style={{
-        //     width: "100%",
-        //     height: "100%",
-        //     maxHeight: "60vh",
-        //   }}
-        //   onError={(error) => {
-        //     console.error(error.message);
-        //     if (error instanceof Error) {
-        //       setError(error.message);
-        //     } else {
-        //       setError("Failed to load video. (Probably not supported?)");
-        //     }
-        //   }}
-        // />
       )}
     </div>
   );