file upload progress

components/Form/FileInput.tsx

@@ -1,43 +1,81 @@
-import { faFile } from "@fortawesome/free-solid-svg-icons"
-import { FontAwesomeIcon } from "@fortawesome/react-fontawesome"
-import { useField, useFormikContext } from "formik"
-import React, { useRef } from "react"
-import ErrorMessage from "./ErrorMessage"
-import RequiredAsterisk from "./RequiredAsterisk"
+import { faFile } from "@fortawesome/free-solid-svg-icons";
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
+import { useField, useFormikContext } from "formik";
+import React, { useRef, useState } from "react";
+import ErrorMessage from "./ErrorMessage";
+import RequiredAsterisk from "./RequiredAsterisk";
 
 interface FileInputProps {
-  label: string
-  required?: boolean
-  name: string
+  label: string;
+  required?: boolean;
+  name: string;
 }
 
 const FileInput: React.FC<FileInputProps> = ({ label, ...props }) => {
-  const { required } = props
-  const [field, meta] = useField(props)
-  const { setFieldValue } = useFormikContext()
-  const fileInputRef = useRef<HTMLInputElement>(null)
+  const { required } = props;
+  const [field, meta] = useField(props);
+  const { setFieldValue } = useFormikContext();
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  const [dragging, setDragging] = useState(false); // State to handle drag styling
+  const [fileInfo, setFileInfo] = useState<{ name: string; size: number } | null>(null); // State to store file info
+  const [uploadProgress, setUploadProgress] = useState(0);
+
+  const simulateUpload = () => {
+    let progress = 0;
+    const interval = setInterval(() => {
+      progress += 10;
+      setUploadProgress(progress);
+      if (progress >= 100) {
+        clearInterval(interval);
+      }
+    }, 20); // Adjust time interval to control speed of the animation
+  };
 
   const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-    const { files } = event.target
-    const file = files ? files[0] : null
-    setFieldValue(props.name, file) // Directly use setFieldValue to update Formik's state
-  }
+    const { files } = event.target;
+    const file = files ? files[0] : null;
+    setFieldValue(props.name, file); // Update Formik's state
+    if (file) {
+      setFileInfo({ name: file.name, size: file.size });
+      setUploadProgress(0); // Reset progress
+      simulateUpload(); // Simulate upload process
+    }
+  };
 
   const handleClick = () => {
     if (fileInputRef.current) {
-      fileInputRef.current.click()
+      fileInputRef.current.click();
     }
-  }
+  };
 
   const handleDrop = (event: React.DragEvent<HTMLDivElement>) => {
-    event.preventDefault()
-    event.stopPropagation()
-    const files = event.dataTransfer.files
+    event.preventDefault();
+    event.stopPropagation();
+    setDragging(false); // Reset drag state
+    const files = event.dataTransfer.files;
     if (files && files.length > 0) {
-      const file = files[0]
-      setFieldValue(props.name, file)
+        const file = files[0];
+        if (file) {
+          setFileInfo({ name: file.name, size: file.size });
+          setFieldValue(props.name, file);
+        }
+        setUploadProgress(0); // Reset progress
+        simulateUpload(); // Simulate upload process
     }
-  }
+};
+
+
+  const handleDragOver = (event: React.DragEvent<HTMLDivElement>) => {
+    event.preventDefault();
+    if (!dragging) {
+      setDragging(true);
+    }
+  };
+
+  const handleDragLeave = (event: React.DragEvent<HTMLDivElement>) => {
+    event.preventDefault();
+    setDragging(false);
+  };
 
   return (
     <div className="mb-4">
@@ -45,17 +83,37 @@ const FileInput: React.FC<FileInputProps> = ({ label, ...props }) => {
         {label}
         <RequiredAsterisk required={required} />
       </label>
-      <div className="border border-grey-500 rounded-md p-4 flex flex-col items-center gap-4" onClick={handleClick} onDrop={handleDrop} onDragOver={(e) => e.preventDefault()}>
+      <div
+        className={`border border-grey-500 rounded-md p-4 flex flex-col items-center gap-4 ${dragging ? "bg-blue-100" : "bg-white"} cursor-pointer`}
+        onClick={handleClick}
+        onDrop={handleDrop}
+        onDragOver={handleDragOver}
+        onDragLeave={handleDragLeave}
+      >
         <div className="border border-grey-500 border-dashed flex flex-col gap-4 items-center justify-center rounded-md py-9 w-full">
           <FontAwesomeIcon icon={faFile} className="text-amber-500 h-5 w-5" />
-          <h4 className="">Drag & Drop Here or <span className="font-bold">Browse</span></h4>
+          <h4>Drag & Drop Here or <span className="font-bold">Browse</span></h4>
         </div>
         <button type="button" className="text-white px-12 py-2 rounded-md bg-blue-950 w-fit">Upload Manifest</button>
       </div>
       <input type="file" className="hidden" ref={fileInputRef} onChange={handleChange} />
+      {fileInfo && (
+          <div className="flex gap-4 p-4 items-center">
+            <FontAwesomeIcon icon={faFile} className="text-amber-500 h-5 w-5" />
+            <div className="grow">
+              <div className="flex justify-between text-sm text-slate-500">
+                <p className="text-sm">{fileInfo.name}</p>
+                <p className="text-xs">{Math.round(fileInfo.size / 1024)} KB</p>
+              </div>
+              <div className="w-full bg-gray-200 rounded-full h-1 dark:bg-gray-700">
+                <div className="bg-amber-500 h-1 rounded-full" style={{ width: `${uploadProgress}%` }}></div>
+              </div>
+            </div>
+          </div>
+        )}
       <ErrorMessage touched={meta.touched} error={meta.error} />
     </div>
-  )
-}
+  );
+};
 
-export default FileInput
+export default FileInput;