{% extends 'base.html' %}
{% load humanize %}

{% block title %}Sales List - Ghana Wholesale{% endblock %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-4">
    <h2><i class="fas fa-list"></i> Sales History</h2>
    <div>
        <a href="{% url 'pos_dashboard' %}" class="btn btn-secondary">
            <i class="fas fa-arrow-left"></i> POS Dashboard
        </a>
        <a href="{% url 'daily_sales_report' %}" class="btn btn-info">
            <i class="fas fa-chart-bar"></i> Daily Report
        </a>
    </div>
</div>

<!-- Filters -->
<div class="card mb-4">
    <div class="card-body">
        <form method="get" class="row">
            <div class="col-md-3 mb-2">
                <input type="date" class="form-control" name="start_date" value="{{ start_date }}">
            </div>
            <div class="col-md-3 mb-2">
                <input type="date" class="form-control" name="end_date" value="{{ end_date }}">
            </div>
            <div class="col-md-2 mb-2">
                <select class="form-select" name="shop">
                    <option value="">All Shops</option>
                    {% for shop in shops %}
                    <option value="{{ shop.id }}" {% if shop.id|stringformat:"s" == selected_shop %}selected{% endif %}>
                        {{ shop.name }}
                    </option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-md-2 mb-2">
                <select class="form-select" name="status">
                    <option value="">All Status</option>
                    <option value="draft" {% if selected_status == 'draft' %}selected{% endif %}>Draft</option>
                    <option value="pending" {% if selected_status == 'pending' %}selected{% endif %}>Pending</option>
                    <option value="completed" {% if selected_status == 'completed' %}selected{% endif %}>Completed</option>
                    <option value="cancelled" {% if selected_status == 'cancelled' %}selected{% endif %}>Cancelled</option>
                </select>
            </div>
            <div class="col-md-2 mb-2">
                <select class="form-select" name="payment_method">
                    <option value="">All Payments</option>
                    <option value="cash" {% if selected_payment_method == 'cash' %}selected{% endif %}>Cash</option>
                    <option value="mobile_money" {% if selected_payment_method == 'mobile_money' %}selected{% endif %}>Mobile Money</option>
                    <option value="card" {% if selected_payment_method == 'card' %}selected{% endif %}>Card</option>
                    <option value="credit" {% if selected_payment_method == 'credit' %}selected{% endif %}>Credit</option>
                </select>
            </div>
            <div class="col-md-6 mt-2">
                <div class="btn-group w-100">
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-filter"></i> Filter
                    </button>
                    <a href="{% url 'sale_list' %}" class="btn btn-outline-secondary">
                        <i class="fas fa-times"></i> Clear
                    </a>
                </div>
            </div>
        </form>
    </div>
</div>

<!-- Sales Table -->
<div class="card">
    <div class="card-header d-flex justify-content-between align-items-center">
        <h5 class="mb-0">All Sales</h5>
        <span class="badge bg-primary">{{ page_obj.paginator.count }} sales</span>
    </div>
    <div class="card-body p-0">
        <div class="table-responsive">
            <table class="table table-hover mb-0">
                <thead>
                    <tr>
                        <th>Invoice #</th>
                        <th>Date</th>
                        <th>Shop</th>
                        <th>Customer</th>
                        <th class="text-end">Items</th>
                        <th class="text-end">Amount</th>
                        <th>Payment</th>
                        <th>Status</th>
                        <th>Actions</th>
                    </tr>
                </thead>
                <tbody>
                    {% for sale in page_obj %}
                    <tr>
                        <td>
                            <strong>{{ sale.invoice_number }}</strong>
                            {% if sale.vat_invoice %}
                            <span class="badge bg-success ms-1">VAT</span>
                            {% endif %}
                        </td>
                        <td>{{ sale.created_at|date:"d M, H:i" }}</td>
                        <td>{{ sale.shop.code }}</td>
                        <td>
                            {% if sale.customer %}
                            {{ sale.customer.name|truncatechars:15 }}
                            {% else %}
                            <span class="text-muted">Walk-in</span>
                            {% endif %}
                        </td>
                        <td class="text-end">{{ sale.items_count }}</td>
                        <td class="text-end text-success">GH₵ {{ sale.total_amount|floatformat:2 }}</td>
                        <td>
                            <span class="badge bg-{% if sale.payment_method == 'cash' %}success{% elif sale.payment_method == 'mobile_money' %}info{% elif sale.payment_method == 'card' %}warning{% else %}danger{% endif %}">
                                {{ sale.get_payment_method_display|truncatechars:10 }}
                            </span>
                        </td>
                        <td>
                            {% if sale.status == 'draft' %}
                            <span class="badge bg-secondary">Draft</span>
                            {% elif sale.status == 'pending' %}
                            <span class="badge bg-warning">Pending</span>
                            {% elif sale.status == 'completed' %}
                            <span class="badge bg-success">Completed</span>
                            {% elif sale.status == 'cancelled' %}
                            <span class="badge bg-danger">Cancelled</span>
                            {% elif sale.status == 'refunded' %}
                            <span class="badge bg-info">Refunded</span>
                            {% endif %}
                        </td>
                        <td>
                            <div class="btn-group btn-group-sm">
                                <a href="{% url 'sale_detail' sale.pk %}" class="btn btn-outline-primary" title="View">
                                    <i class="fas fa-eye"></i>
                                </a>
                                {% if sale.status == 'completed' %}
                                <a href="{% url 'print_receipt' sale.pk %}" class="btn btn-outline-success" title="Print">
                                    <i class="fas fa-print"></i>
                                </a>
                                {% endif %}
                                {% if sale.status == 'draft' or sale.status == 'pending' %}
                                <a href="{% url 'void_sale' sale.pk %}" class="btn btn-outline-danger" title="Void">
                                    <i class="fas fa-ban"></i>
                                </a>
                                {% endif %}
                            </div>
                        </td>
                    </tr>
                    {% empty %}
                    <tr>
                        <td colspan="9" class="text-center py-4">
                            <i class="fas fa-cash-register fa-3x text-muted mb-3"></i>
                            <p class="text-muted">No sales found</p>
                            <a href="{% url 'create_sale' %}" class="btn btn-primary">
                                <i class="fas fa-plus"></i> Create First Sale
                            </a>
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
    </div>
    
    {% if page_obj.has_other_pages %}
    <div class="card-footer">
        <nav aria-label="Page navigation">
            <ul class="pagination justify-content-center mb-0">
                {% if page_obj.has_previous %}
                <li class="page-item">
                    <a class="page-link" href="?page=1{% if start_date %}&start_date={{ start_date }}{% endif %}{% if end_date %}&end_date={{ end_date }}{% endif %}{% if selected_shop %}&shop={{ selected_shop }}{% endif %}{% if selected_status %}&status={{ selected_status }}{% endif %}{% if selected_payment_method %}&payment_method={{ selected_payment_method }}{% endif %}">
                        <i class="fas fa-angle-double-left"></i>
                    </a>
                </li>
                <li class="page-item">
                    <a class="page-link" href="?page={{ page_obj.previous_page_number }}{% if start_date %}&start_date={{ start_date }}{% endif %}{% if end_date %}&end_date={{ end_date }}{% endif %}{% if selected_shop %}&shop={{ selected_shop }}{% endif %}{% if selected_status %}&status={{ selected_status }}{% endif %}{% if selected_payment_method %}&payment_method={{ selected_payment_method }}{% endif %}">
                        <i class="fas fa-angle-left"></i>
                    </a>
                </li>
                {% endif %}
                
                {% for num in page_obj.paginator.page_range %}
                    {% if page_obj.number == num %}
                    <li class="page-item active">
                        <span class="page-link">{{ num }}</span>
                    </li>
                    {% elif num > page_obj.number|add:'-3' and num < page_obj.number|add:'3' %}
                    <li class="page-item">
                        <a class="page-link" href="?page={{ num }}{% if start_date %}&start_date={{ start_date }}{% endif %}{% if end_date %}&end_date={{ end_date }}{% endif %}{% if selected_shop %}&shop={{ selected_shop }}{% endif %}{% if selected_status %}&status={{ selected_status }}{% endif %}{% if selected_payment_method %}&payment_method={{ selected_payment_method }}{% endif %}">{{ num }}</a>
                    </li>
                    {% endif %}
                {% endfor %}
                
                {% if page_obj.has_next %}
                <li class="page-item">
                    <a class="page-link" href="?page={{ page_obj.next_page_number }}{% if start_date %}&start_date={{ start_date }}{% endif %}{% if end_date %}&end_date={{ end_date }}{% endif %}{% if selected_shop %}&shop={{ selected_shop }}{% endif %}{% if selected_status %}&status={{ selected_status }}{% endif %}{% if selected_payment_method %}&payment_method={{ selected_payment_method }}{% endif %}">
                        <i class="fas fa-angle-right"></i>
                    </a>
                </li>
                <li class="page-item">
                    <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{% if start_date %}&start_date={{ start_date }}{% endif %}{% if end_date %}&end_date={{ end_date }}{% endif %}{% if selected_shop %}&shop={{ selected_shop }}{% endif %}{% if selected_status %}&status={{ selected_status }}{% endif %}{% if selected_payment_method %}&payment_method={{ selected_payment_method }}{% endif %}">
                        <i class="fas fa-angle-double-right"></i>
                    </a>
                </li>
                {% endif %}
            </ul>
        </nav>
    </div>
    {% endif %}
</div>

<!-- Summary Stats -->
<div class="row mt-4">
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <h6 class="text-muted">Total Sales</h6>
                <h3>{{ page_obj.paginator.count }}</h3>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <h6 class="text-muted">Completed</h6>
                <h3 class="text-success">{{ page_obj.paginator.count }}</h3>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <h6 class="text-muted">Pending</h6>
                <h3 class="text-warning">0</h3>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <h6 class="text-muted">Cancelled</h6>
                <h3 class="text-danger">0</h3>
            </div>
        </div>
    </div>
</div>
{% endblock %}