{% extends "layout.html" %}

{% block title %}Edit Product - KCAP Demo Server{% endblock %}

{% block content %}
<div class="row mt-4">
    <div class="col-md-8 offset-md-2">
        <div class="card">
            <div class="card-header">
                <h2>Edit Product</h2>
            </div>
            <div class="card-body">
                <form action="{{ url_for('admin.edit_product', product_id=product_id) }}" method="POST" enctype="multipart/form-data">
                    <div class="mb-3">
                        <label for="product_id" class="form-label">Product ID</label>
                        <input type="text" class="form-control" id="product_id" value="{{ product_id }}" disabled>
                        <div class="form-text">Product ID cannot be changed.</div>
                    </div>
                    
                    <div class="mb-3">
                        <label for="name" class="form-label">Product Name *</label>
                        {% for field in product %}
                            {% if field.fieldName == '_name' %}
                                <input type="text" class="form-control" id="name" name="name" required value="{{ field.value }}">
                            {% endif %}
                        {% endfor %}
                        <div class="form-text">Enter a descriptive name for the product.</div>
                    </div>
                    
                    <div class="mb-3">
                        <label for="price" class="form-label">Price *</label>
                        <div class="input-group">
                            <span class="input-group-text">$</span>
                            {% for field in product %}
                                {% if field.fieldName == '_price' %}
                                    {% set price_value = field.value|replace('$', '') %}
                                    <input type="text" class="form-control" id="price" name="price" required 
                                           pattern="[0-9]+(\.[0-9]{1,2})?" value="{{ price_value }}">
                                {% endif %}
                            {% endfor %}
                        </div>
                        <div class="form-text">Enter the price in decimal format (e.g., 49.99)</div>
                    </div>
                    
                    <div class="mb-3">
                        <label for="image" class="form-label">Product Image</label>
                        <input type="file" class="form-control" id="image" name="image" accept="image/*" onchange="previewImage(this)">
                        <div class="form-text">Leave empty to keep the current image.</div>
                        
                        <div class="mt-3">
                            <label class="form-label">Current Image:</label>
                            {% for field in product %}
                                {% if field.fieldName == '_image' %}
                                    <div>
                                        <img src="{{ field.value }}" alt="Current product image" class="image-preview">
                                    </div>
                                {% endif %}
                            {% endfor %}
                        </div>
                        
                        <div class="mt-2">
                            <label class="form-label">New Image Preview:</label>
                            <img id="image-preview" class="image-preview" style="display: none;">
                        </div>
                    </div>
                    
                    <div class="d-flex justify-content-between">
                        <a href="{{ url_for('admin.index') }}" class="btn btn-secondary">Cancel</a>
                        <button type="submit" class="btn btn-primary">Update Product</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
function previewImage(input) {
    var preview = document.getElementById('image-preview');
    
    if (input.files && input.files[0]) {
        var reader = new FileReader();
        
        reader.onload = function(e) {
            preview.src = e.target.result;
            preview.style.display = 'block';
        }
        
        reader.readAsDataURL(input.files[0]);
    } else {
        preview.style.display = 'none';
    }
}
</script>
{% endblock %}