{% extends "base.html" %}

{% block title %}Stock Management - QuantumQuickSales{% endblock %}

{% block page_title %}Stock Management{% endblock %}

{% block content %}
<div class="card shadow">
    <div class="card-header py-3">
        <h6 class="m-0 font-weight-bold text-warning">
            <i class="fas fa-exclamation-triangle me-2"></i>Low Stock Products
        </h6>
    </div>
    <div class="card-body">
        {% if low_stock_products %}
            <div class="table-responsive">
                <table class="table table-bordered" id="stockTable" width="100%" cellspacing="0">
                    <thead>
                        <tr>
                            <th>Product ID</th>
                            <th>Product Name</th>
                            <th>Price (₹)</th>
                            <th>Current Stock</th>
                            <th>Status</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for product in low_stock_products %}
                        <tr>
                            <td>{{ product[0] }}</td>
                            <td>{{ product[1] }}</td>
                            <td>₹{{ "%.2f"|format(product[2]) }}</td>
                            <td>
                                {% if product[3] <= 5 %}
                                    <span class="badge bg-danger">{{ product[3] }}</span>
                                {% elif product[3] <= 10 %}
                                    <span class="badge bg-warning">{{ product[3] }}</span>
                                {% else %}
                                    <span class="badge bg-success">{{ product[3] }}</span>
                                {% endif %}
                            </td>
                            <td>
                                {% if product[3] == 0 %}
                                    <span class="text-danger">Out of Stock</span>
                                {% elif product[3] <= 5 %}
                                    <span class="text-danger">Critical</span>
                                {% elif product[3] <= 10 %}
                                    <span class="text-warning">Low</span>
                                {% endif %}
                            </td>
                            <td>
                                <button class="btn btn-sm btn-outline-primary update-stock-btn" 
                                        data-product-id="{{ product[0] }}" 
                                        data-product-name="{{ product[1] }}" 
                                        data-current-stock="{{ product[3] }}">
                                    <i class="fas fa-edit"></i> Update Stock
                                </button>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        {% else %}
            <div class="text-center py-4">
                <i class="fas fa-check-circle fa-3x text-success mb-3"></i>
                <h5 class="text-success">All products have sufficient stock!</h5>
                <p class="text-muted">No low stock alerts at this time.</p>
            </div>
        {% endif %}
    </div>
</div>

<!-- Stock Update Modal -->
<div class="modal fade" id="stockModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Update Stock</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <form id="stockUpdateForm">
                    <input type="hidden" id="productId" name="product_id">
                    <div class="mb-3">
                        <label for="productName" class="form-label">Product Name</label>
                        <input type="text" class="form-control" id="productName" readonly>
                    </div>
                    <div class="mb-3">
                        <label for="currentStock" class="form-label">Current Stock</label>
                        <input type="text" class="form-control" id="currentStock" readonly>
                    </div>
                    <div class="mb-3">
                        <label for="newStock" class="form-label">New Stock Quantity *</label>
                        <input type="number" class="form-control" id="newStock" name="quantity" required min="0">
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <button type="button" class="btn btn-primary" onclick="submitStockUpdate()">Update Stock</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
function updateStock(productId, productName, currentStock) {
    $('#productId').val(productId);
    $('#productName').val(productName);
    $('#currentStock').val(currentStock);
    $('#newStock').val(currentStock);
    $('#stockModal').modal('show');
}

$(document).ready(function() {
    // Handle stock update button clicks
    $(document).on('click', '.update-stock-btn', function() {
        const productId = $(this).data('product-id');
        const productName = $(this).data('product-name');
        const currentStock = $(this).data('current-stock');
        updateStock(productId, productName, currentStock);
    });
    
    $('#stockTable').DataTable({
        "order": [[ 3, "asc" ]],
        "pageLength": 25
    });
});

function submitStockUpdate() {
    const productId = $('#productId').val();
    const quantity = $('#newStock').val();
    
    if (!quantity || quantity < 0) {
        alert('Please enter a valid quantity');
        return;
    }
    
    $.ajax({
        url: `/admin/stock/update/${productId}`,
        method: 'POST',
        data: {
            quantity: quantity
        },
        success: function(response) {
            if (response.success) {
                alert('Stock updated successfully!');
                location.reload();
            } else {
                alert('Error: ' + response.message);
            }
        },
        error: function() {
            alert('Error updating stock. Please try again.');
        }
    });
    
    $('#stockModal').modal('hide');
}


</script>
{% endblock %}