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<!DOCTYPE html>
<html>

<head>
    <title>FoodAnalyzer API Documentation</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
            line-height: 1.6;
        }

        h1,
        h2,
        h3 {
            color: #333;
        }

        .endpoint {
            margin-bottom: 15px;
            border-left: 4px solid #ddd;
            padding-left: 15px;
        }

        .method {
            font-weight: bold;
            color: #0066cc;
        }

        code {
            background: #f4f4f4;
            padding: 2px 5px;
            border-radius: 3px;
            font-family: monospace;
        }

        pre {
            background: #f9f9f9;
            padding: 10px;
            border-radius: 5px;
            overflow-x: auto;
        }
    </style>
</head>

<body>
    <h1>FoodAnalyzer API Documentation</h1>

    <h2>Authentication Endpoints</h2>
    <div class="endpoint">
        <p><span class="method">POST</span> <a href="/api/auth/register">/api/auth/register</a></p>
        <p>Register a new user in the system</p>
        <p>Request body:</p>
        <pre><code>{
  "name": "John Doe",
  "email": "john@example.com",
  "password": "securepassword"
}</code></pre>
        <p>Response:</p>
        <pre><code>{
  "access_token": "eyJhbGciOiJIUzI1NiIs...",
  "token_type": "bearer"
}</code></pre>
    </div>


    <div class="endpoint">
        <p><span class="method">POST</span> <a href="/api/auth/login">/api/auth/login</a></p>
        <p>Login to get an access token (valid for 4 weeks)</p>
        <p>Form data: username (email), password</p>
        <p>Response:</p>
        <pre><code>{
"access_token": "eyJhbGciOiJIUzI1NiIs...",
"token_type": "bearer"
}</code></pre>
    </div>

    <div class="endpoint">
        <p><span class="method">GET</span> <a href="/api/auth/user">/api/auth/user</a></p>
        <p>Get current authenticated user's information</p>
        <p>Headers: Authorization: Bearer {token}</p>
        <p>Response:</p>
        <pre><code>{
"name": "John Doe",
"email": "john@example.com"
}</code></pre>
    </div>

    <div class="endpoint">
        <p><span class="method">GET</span> <a href="/api/auth/user/email">/api/auth/user/email</a></p>
        <p>Get user information by email</p>
        <p>Query parameters: email</p>
    </div>

    <h2>Analysis Endpoints</h2>
    <div class="endpoint">
        <p><span class="method">POST</span> <a href="/api/analyze/process_image">/api/analyze/process_image</a></p>
        <p>Upload and process an image using YOLO object detection</p>
        <p>Form data: image (file)</p>
        <p>Response:</p>
        <pre><code>{
"message": "Product extracted successfully",
"product_image_name": "f7e5d4c3-b2a1-4f9e-8d7c-6e5f4d3a2b1c.jpg"
}</code></pre>
    </div>

    <div class="endpoint">
        <p><span class="method">GET</span> <a
                href="/api/analyze/get_image/{image_name}">/api/analyze/get_image/{image_name}</a></p>
        <p>Retrieve a processed image by its name</p>
        <p>Path parameters: image_name</p>
        <p>Response: Image file (JPEG)</p>
    </div>

    <div class="endpoint">
        <p><span class="method">POST</span> <a
                href="/api/analyze/process_ingredient">/api/analyze/process_ingredient</a></p>
        <p>Process a single ingredient and get detailed analysis</p>
        <p>Request body:</p>
        <pre><code>{
"name": "Monosodium Glutamate"
}</code></pre>
    </div>

    <div class="endpoint">
        <p><span class="method">POST</span> <a
                href="/api/analyze/process_product_ingredients">/api/analyze/process_product_ingredients</a></p>
        <p>Process multiple ingredients of a product</p>
        <p>Headers: Authorization: Bearer {token}</p>
        <p>Request body:</p>
        <pre><code>{
"ingredients": ["Sugar", "Salt", "Monosodium Glutamate"],
"user_id": 1
}</code></pre>
    </div>

    <h2>Product Endpoints</h2>
    <div class="endpoint">
        <p><span class="method">POST</span> <a href="/api/product/add">/api/product/add</a></p>
        <p>Add a new product with ingredients and images</p>
        <p>Request body:</p>
        <pre><code>{
"name": "Maggi 2-Minute Noodles",
"image_names": ["maggi_front.jpg", "maggi_ingredients.jpg"],
"ingredients": [
"Wheat Flour", 
"Palm Oil", 
"Salt", 
"Monosodium Glutamate"
],
"ingredients_count": 4,
"overall_safety_score": 6.5,
"suitable_diet_types": ["Vegetarian"],
"allergy_warnings": ["Contains Wheat (Gluten)"],
"usage_recommendations": "Consume in moderation",
"health_insights": [
"High sodium content may contribute to high blood pressure"
],
"ingredient_interactions": [
"No significant harmful interactions between ingredients"
],
"key_takeaway": "Convenient food option but should be consumed occasionally",
"user_id": 1,
"timestamp": "2025-04-27T15:30:00Z"
}</code></pre>
    </div>

    <h2>History Endpoints</h2>
    <div class="endpoint">
        <p><span class="method">POST</span> <a href="/api/history/scan">/api/history/scan</a></p>
        <p>Record a new product scan in user history</p>
    </div>

    <div class="endpoint">
        <p><span class="method">GET</span> <a href="/api/history/user/{user_id}">/api/history/user/{user_id}</a></p>
        <p>Retrieve scan history for a specific user</p>
        <p>Path parameters: user_id</p>
    </div>

    <h2>Authentication</h2>
    <p>Protected endpoints require JWT token in Authorization header:</p>
    <p><code>Authorization: Bearer eyJhbGciOiJIUzI1NiIs...</code></p>
    <p>Tokens are valid for 4 weeks after login.</p>
</body>

</html>