From c2f75169e8c9d5942bce48f6bfcbb742b3cd648a Mon Sep 17 00:00:00 2001
From: Shradha Saxena <103318017+ShradhaSaxena23@users.noreply.github.com>
Date: Wed, 9 Oct 2024 16:42:46 +0530
Subject: [PATCH] Update AIEngine.jsx  for Image Preview

Added the feature of image preview in AIEngine.jsx
---
 frontend/src/components/AIEngine.jsx | 152 +++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)

diff --git a/frontend/src/components/AIEngine.jsx b/frontend/src/components/AIEngine.jsx
index ee116e15..0382b9df 100644
--- a/frontend/src/components/AIEngine.jsx
+++ b/frontend/src/components/AIEngine.jsx
@@ -1,6 +1,157 @@
 import React, { useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 
+const AIEngine = () => {
+  const [selectedFile, setSelectedFile] = useState(null);
+  const [fileName, setFileName] = useState('No file chosen');
+  const [previewUrl, setPreviewUrl] = useState(null); // To store the image preview URL
+  const [isLoading, setIsLoading] = useState(false);
+  const navigate = useNavigate();
+
+  const handleFileChange = (event) => {
+    const file = event.target.files[0];
+    setSelectedFile(file);
+    setFileName(file ? file.name : 'No file chosen');
+
+    // Set image preview
+    if (file) {
+      const imageUrl = URL.createObjectURL(file);
+      setPreviewUrl(imageUrl);
+    } else {
+      setPreviewUrl(null);
+    }
+  };
+
+  const handleSubmit = async (event) => {
+    event.preventDefault();
+    if (!selectedFile) {
+      alert('Please select a file');
+      return;
+    }
+
+    setIsLoading(true);
+    const formData = new FormData();
+    formData.append('image', selectedFile);
+
+    try {
+      const response = await fetch('https://disease-prediction-api-2.onrender.com/submit', {
+        method: 'POST',
+        body: formData,
+      });
+
+      if (response.ok) {
+        const result = await response.json();
+        navigate('/submit', { state: { result } });
+      } else {
+        throw new Error('File upload failed');
+      }
+    } catch (error) {
+      console.error('Error:', error);
+      alert('An error occurred while uploading the file');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <div className="max-w-full mt-16 mx-auto px-4 pb-10 pt-5 sm:px-6 lg:px-8">
+      <div className="text-center mb-8">
+        <h1 className="text-4xl font-bold text-green-500">🍀AI Engine🍀</h1>
+        <p className="text-xl text-gray-700 mt-2">Let AI Engine Help You To Detect Disease</p>
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-8">
+        <div className="bg-white shadow rounded-lg p-6">
+          <h5 className="font-bold text-xl mb-4">Why is it necessary to detect disease in plants?</h5>
+          <p className="text-gray-700">
+            Plant diseases affect the growth of their respective species...
+          </p>
+        </div>
+
+        <div className="bg-white shadow rounded-lg p-6">
+          <img
+            src="https://www.pngjoy.com/pngl/250/4840262_plants-png-indoors-tropical-plant-png-hd-png.png"
+            alt="Plant"
+            className="w-48 h-48 object-cover rounded-full mx-auto mb-6"
+          />
+
+          <form onSubmit={handleSubmit} className="space-y-4">
+            {/* Image preview */}
+            {previewUrl && (
+              <div className="mt-4">
+                <img
+                  src={previewUrl}
+                  alt="Selected file preview"
+                  className="w-96 h-96 object-contain rounded-lg"
+                />
+              </div>
+            )}
+
+            <div className="flex items-center justify-center mt-4">
+              <label
+                htmlFor="file-upload"
+                className="cursor-pointer bg-green-500 hover:bg-green-600 text-white font-bold py-2 px-4 rounded"
+              >
+                Choose File
+              </label>
+              <input
+                id="file-upload"
+                type="file"
+                className="hidden"
+                onChange={handleFileChange}
+                accept="image/*"
+              />
+              <span className="ml-3 text-gray-700">{fileName}</span>
+            </div>
+
+            <p className="text-center text-gray-600">
+              Simply upload your plant's leaf image and then see the magic of AI.
+            </p>
+
+            <div className="text-center">
+              <button
+                type="submit"
+                className="bg-green-500 hover:bg-green-600 text-white font-bold py-2 px-4 rounded"
+                disabled={isLoading}
+              >
+                {isLoading ? 'Processing...' : 'Submit'}
+              </button>
+            </div>
+          </form>
+        </div>
+
+        <div className="bg-white shadow rounded-lg p-6">
+          <h5 className="font-bold text-xl mb-4">Prevent Plant Disease by following these steps:</h5>
+          <ol className="list-decimal list-inside space-y-2 text-gray-700">
+            <li>Follow Good Sanitation Practices.</li>
+            <li>Fertilize to Keep Your Plants Healthy.</li>
+            <li>Inspect Plants for Diseases Before You Bring Them Home.</li>
+            <li>Allow the Soil to Warm Before Planting.</li>
+            <li>Ensure a Healthy Vegetable Garden By Rotating Crops.</li>
+            <li>Provide Good Air Circulation.</li>
+            <li>Remove Diseased Stems and Foliage.</li>
+          </ol>
+          <a
+            href="/article"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="inline-block mt-4 bg-green-500 hover:bg-green-600 text-white font-bold py-2 px-4 rounded"
+          >
+            More info
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default AIEngine;
+
+
+{/*}
+import React, { useState } from 'react';
+import { useNavigate } from 'react-router-dom';
+
 const AIEngine = () => {
   const [selectedFile, setSelectedFile] = useState(null);
   const [fileName, setFileName] = useState('No file chosen');
@@ -129,3 +280,4 @@ const AIEngine = () => {
 };
 
 export default AIEngine;
+*/}
\ No newline at end of file