{% 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', tenant_id=tenant_id, 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>
                    
                    {% for field in custom_fields %}
                        {% if field.fieldName != '_id' %}
                        <div class="mb-3">
                            <label for="field_{{ field.fieldName }}" class="form-label">{{ field.label }}</label>
                            
                            {% set current_value = '' %}
                            {% for prod_field in product %}
                                {% if prod_field.fieldName == field.fieldName %}
                                    {% set current_value = prod_field.value %}
                                {% endif %}
                            {% endfor %}
                            
                            {% if field.fieldType == 'IMAGE_URI' %}
                                <input type="file" class="form-control" id="image_{{ field.fieldName }}" name="image_{{ field.fieldName }}" accept="image/*" onchange="previewImage(this, 'preview_new_{{ field.fieldName }}')">
                                <div class="form-text">Leave empty to keep the current image.</div>
                                
                                {% if current_value %}
                                <div class="mt-3">
                                    <label class="form-label">Current Image:</label>
                                    <div>
                                        <img src="{{ current_value }}" alt="Current image" class="image-preview" style="max-width: 200px;">
                                    </div>
                                </div>
                                {% endif %}
                                
                                <div class="mt-2">
                                    <label class="form-label">New Image Preview:</label>
                                    <img id="preview_new_{{ field.fieldName }}" class="image-preview" style="display: none; max-width: 200px;">
                                </div>
                            {% elif field.fieldType == 'TEXT' %}
                                {% if field.fieldName == '_price' %}
                                <div class="input-group">
                                    <span class="input-group-text">$</span>
                                    {% set price_value = current_value|replace('$', '') %}
                                    <input type="text" class="form-control" id="field_{{ field.fieldName }}" name="field_{{ field.fieldName }}" 
                                           pattern="[0-9]+(\.[0-9]{1,2})?" value="{{ price_value }}" placeholder="49.99">
                                </div>
                                {% else %}
                                <input type="text" class="form-control" id="field_{{ field.fieldName }}" name="field_{{ field.fieldName }}" value="{{ current_value }}">
                                {% endif %}
                            {% else %}
                                <input type="text" class="form-control" id="field_{{ field.fieldName }}" name="field_{{ field.fieldName }}" value="{{ current_value }}">
                            {% endif %}
                        </div>
                        {% endif %}
                    {% endfor %}
                    
                    <!-- Fallback fields for backward compatibility -->
                    {% if not custom_fields|selectattr('fieldName', 'equalto', '_name')|list %}
                        {% for field in product %}
                            {% if field.fieldName == '_name' %}
                            <div class="mb-3">
                                <label for="name" class="form-label">Product Name</label>
                                <input type="text" class="form-control" id="name" name="name" value="{{ field.value }}">
                            </div>
                            {% endif %}
                        {% endfor %}
                    {% endif %}
                    
                    {% if not custom_fields|selectattr('fieldName', 'equalto', '_price')|list %}
                        {% for field in product %}
                            {% if field.fieldName == '_price' %}
                            <div class="mb-3">
                                <label for="price" class="form-label">Price</label>
                                <div class="input-group">
                                    <span class="input-group-text">$</span>
                                    {% set price_value = field.value|replace('$', '') %}
                                    <input type="text" class="form-control" id="price" name="price" 
                                           pattern="[0-9]+(\.[0-9]{1,2})?" value="{{ price_value }}" placeholder="49.99">
                                </div>
                            </div>
                            {% endif %}
                        {% endfor %}
                    {% endif %}
                    
                    <div class="d-flex justify-content-between">
                        <a href="{{ url_for('admin.index', tenant_id=tenant_id) }}" 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, previewId) {
    var preview = document.getElementById(previewId || '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 %}