{% extends "base.html" %}

{% block title %}{% if product %}Edit Product{% else %}New Product{% endif %} - Northwind Traders{% endblock %}

{% block content %}
<div class="row justify-content-center">
    <div class="col-md-8">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <h5>{% if product %}Edit Product{% else %}New Product{% endif %}</h5>
                <a href="{{ url_for('products') }}" class="btn btn-secondary btn-sm">Cancel</a>
            </div>
            <div class="card-body">
                {% if product %}
                <form method="POST" action="{{ url_for('product_edit', product_id=product['ProductID']) }}">
                {% else %}
                <form method="POST" action="{{ url_for('product_new') }}">
                {% endif %}
                    
                    <div class="mb-3">
                        <label for="product_name" class="form-label">Product Name *</label>
                        <input type="text" class="form-control" id="product_name" name="product_name"
                               value="{{ product['ProductName'] if product else '' }}" required>
                    </div>

                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="supplier_id" class="form-label">Supplier</label>
                            <select class="form-select" id="supplier_id" name="supplier_id">
                                <option value="">-- Select Supplier --</option>
                                {% for supplier in suppliers %}
                                <option value="{{ supplier['SupplierID'] }}"
                                    {% if product and product['SupplierID'] == supplier['SupplierID'] %}selected{% endif %}>
                                    {{ supplier['CompanyName'] }}
                                </option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="col-md-6 mb-3">
                            <label for="category_id" class="form-label">Category</label>
                            <select class="form-select" id="category_id" name="category_id" required>
                                <option value="">-- Select Category --</option>
                                {% for category in categories %}
                                <option value="{{ category['CategoryID'] }}"
                                    {% if product and product['CategoryID'] == category['CategoryID'] %}selected{% endif %}>
                                    {{ category['CategoryName'] }}
                                </option>
                                {% endfor %}
                            </select>
                        </div>
                    </div>

                    <div class="row">
                        <div class="col-md-6 mb-3">
                            <label for="quantity_per_unit" class="form-label">Quantity Per Unit</label>
                            <input type="text" class="form-control" id="quantity_per_unit" name="quantity_per_unit"
                                   value="{{ product['QuantityPerUnit'] if product else '' }}"
                                   placeholder="e.g., 10 boxes x 20 bags">
                        </div>
                        <div class="col-md-6 mb-3">
                            <label for="unit_price" class="form-label">Unit Price ($) *</label>
                            <input type="number" step="0.01" min="0" class="form-control" id="unit_price"
                                   name="unit_price" value="{{ product['UnitPrice'] if product else '0' }}" required>
                        </div>
                    </div>

                    <div class="row">
                        <div class="col-md-4 mb-3">
                            <label for="units_in_stock" class="form-label">Units in Stock</label>
                            <input type="number" min="0" class="form-control" id="units_in_stock"
                                   name="units_in_stock" value="{{ product['UnitsInStock'] if product else '0' }}">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label for="units_on_order" class="form-label">Units on Order</label>
                            <input type="number" min="0" class="form-control" id="units_on_order"
                                   name="units_on_order" value="{{ product['UnitsOnOrder'] if product else '0' }}">
                        </div>
                        <div class="col-md-4 mb-3">
                            <label for="reorder_level" class="form-label">Reorder Level</label>
                            <input type="number" min="0" class="form-control" id="reorder_level"
                                   name="reorder_level" value="{{ product['ReorderLevel'] if product else '0' }}">
                        </div>
                    </div>

                    <div class="mb-3 form-check">
                        <input type="checkbox" class="form-check-input" id="discontinued" 
                               name="discontinued" {% if product and product['Discontinued'] %}checked{% endif %}>
                        <label class="form-check-label" for="discontinued">Discontinued</label>
                    </div>

                    <div class="d-flex justify-content-between">
                        {% if product %}
                        <button type="submit" formaction="{{ url_for('product_delete', product_id=product['ProductID']) }}"
                                class="btn btn-danger"
                                onclick="return confirm('Are you sure you want to delete this product?')">
                            Delete
                        </button>
                        {% else %}
                        <div></div>
                        {% endif %}
                        <button type="submit" class="btn btn-primary">Save Product</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
{% endblock %}