{% extends 'base.html' %}
{% load i18n %}

{% block title %}{% trans "LPO Detail" %} #{{ order.id }} | {{ site_settings.business_name }}{% endblock %}

{% block content %}
<div class="container py-4">
    <!-- Action Bar -->
    <div class="d-flex justify-content-between align-items-center mb-4 d-print-none">
        <a href="{% url 'lpo_list' %}" class="btn btn-light rounded-3">
            <i class="bi bi-arrow-left me-2"></i>{% trans "Back to List" %} / العودة للقائمة
        </a>
        <div class="d-flex gap-2">
            {% if order.status != 'converted' %}
            <form action="{% url 'convert_lpo_to_purchase' order.id %}" method="POST" onsubmit="return confirm('{% trans 'Convert this LPO to a Purchase Invoice? This will update stock.' %}');">
                {% csrf_token %}
                <button type="submit" class="btn btn-success rounded-3 px-4 shadow-sm">
                    <i class="bi bi-check2-circle me-2"></i>{% trans "Convert to Purchase" %}
                </button>
            </form>
            {% endif %}
            <button onclick="downloadPDF()" class="btn btn-outline-primary rounded-3 px-4">
                <i class="bi bi-file-earmark-pdf me-2"></i>{% trans "Download PDF" %} / تحميل PDF
            </button>
            <button onclick="window.print()" class="btn btn-primary rounded-3 px-4 shadow-sm">
                <i class="bi bi-printer me-2"></i>{% trans "Print Order" %} / طباعة الأمر
            </button>
        </div>
    </div>

    <!-- Invoice Content -->
    <div id="order-card" class="card border-0 shadow-sm rounded-4 overflow-hidden mx-auto print-container" style="max-width: 800px;">
        <div class="card-body p-0">
            <!-- Header Section -->
            <div class="p-5 bg-white print-section">
                <div class="row mb-5 print-mb-2">
                    <div class="col-sm-6">
                        {% if settings.logo %}
                            <img src="{{ settings.logo.url }}" alt="Logo" style="max-height: 80px;" class="mb-4 print-mb-2 print-logo">
                        {% else %}
                            <h3 class="fw-bold text-primary mb-4 print-mb-2 print-h3">{{ settings.business_name }}</h3>
                        {% endif %}
                        <div class="text-muted small print-small">
                            <p class="mb-1"><i class="bi bi-geo-alt me-2"></i>{{ settings.address }}</p>
                            <p class="mb-1"><i class="bi bi-telephone me-2"></i>{{ settings.phone }}</p>
                            <p class="mb-1"><i class="bi bi-envelope me-2"></i>{{ settings.email }}</p>
                        </div>
                    </div>
                    <div class="col-sm-6 text-sm-end">
                        <h1 class="fw-bold text-uppercase text-muted opacity-50 mb-4 print-mb-2 print-h1">{% trans "Purchase Order" %} / أمر شراء</h1>
                        <div class="mb-4 print-mb-2">
                            <div class="fw-bold text-dark text-uppercase small">{% trans "LPO Number" %} / رقم الأمر</div>
                            <div class="h5 print-h5">{{ order.lpo_number|default:order.id }}</div>
                        </div>
                        <div class="row g-3">
                            <div class="col-4">
                                <div class="small text-muted fw-bold text-uppercase">{% trans "Issue Date" %} / تاريخ الإصدار</div>
                                <div>{{ order.issue_date|date:"Y-m-d" }}</div>
                            </div>
                            <div class="col-4">
                                <div class="small text-muted fw-bold text-uppercase">{% trans "Issued By" %} / صادرة عن</div>
                                <div>{{ order.created_by.username|default:"System" }}</div>
                            </div>
                            <div class="col-4">
                                <div class="small text-muted fw-bold text-uppercase">{% trans "Expected Date" %} / التاريخ المتوقع</div>
                                <div>{{ order.expected_date|date:"Y-m-d"|default:"-" }}</div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="row mb-5 print-mb-2">
                    <div class="col-sm-6">
                        <div class="small text-muted fw-bold mb-3 text-uppercase tracking-wider print-mb-1">{% trans "Supplier Information" %} / معلومات المورد</div>
                        <div class="h5 fw-bold mb-1 print-h5">{{ order.supplier.name }}</div>
                        {% if order.supplier.phone %}
                            <div class="text-muted small"><i class="bi bi-telephone me-2"></i>{{ order.supplier.phone }}</div>
                        {% endif %}
                        {% if order.supplier.contact_person %}
                            <div class="text-muted small"><i class="bi bi-person me-2"></i>{{ order.supplier.contact_person }}</div>
                        {% endif %}
                    </div>
                    <div class="col-sm-6 text-sm-end">
                        <div class="small text-muted fw-bold mb-3 text-uppercase tracking-wider print-mb-1">{% trans "Order Status" %} / حالة الطلب</div>
                        <div>
                            {% if order.status == 'converted' %}
                                <span class="h5 badge bg-success text-white rounded-pill px-4 print-badge">{% trans "Converted" %} / تم التحويل</span>
                            {% elif order.status == 'sent' %}
                                <span class="h5 badge bg-info text-white rounded-pill px-4 print-badge">{% trans "Sent" %} / مرسل</span>
                            {% else %}
                                <span class="h5 badge bg-secondary text-white rounded-pill px-4 print-badge">{% trans "Draft" %} / مسودة</span>
                            {% endif %}
                        </div>
                    </div>
                </div>

                <!-- Table Section -->
                <div class="table-responsive mb-5 print-mb-2">
                    <table class="table table-hover align-middle table-sm-print">
                        <thead class="bg-light print-bg-none">
                            <tr>
                                <th class="py-3 ps-4 border-0 print-py-1">
                                    <div class="small text-muted">{% trans "Item Description" %}</div>
                                    <div class="small">وصف العنصر</div>
                                </th>
                                <th class="py-3 text-center border-0 print-py-1">
                                    <div class="small text-muted">{% trans "Cost Price" %}</div>
                                    <div class="small">سعر التكلفة</div>
                                </th>
                                <th class="py-3 text-center border-0 print-py-1">
                                    <div class="small text-muted">{% trans "Quantity" %}</div>
                                    <div class="small">الكمية</div>
                                </th>
                                <th class="py-3 text-end pe-4 border-0 print-py-1">
                                    <div class="small text-muted">{% trans "Total" %}</div>
                                    <div class="small">المجموع</div>
                                </th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for item in order.items.all %}
                            <tr>
                                <td class="py-3 ps-4 print-py-1">
                                    <div class="fw-bold" dir="rtl">{{ item.product.name_ar }}</div>
                                    <div class="text-muted small">{{ item.product.name_en }}</div>
                                </td>
                                <td class="py-3 text-center print-py-1">{{ settings.currency_symbol }}{{ item.cost_price|floatformat:3 }}</td>
                                <td class="py-3 text-center print-py-1">{{ item.quantity|floatformat:2 }}</td>
                                <td class="py-3 text-end pe-4 fw-bold text-primary print-py-1">{{ settings.currency_symbol }}{{ item.line_total|floatformat:3 }}</td>
                            </tr>
                            {% endfor %}
                        </tbody>
                        <tfoot>
                            <tr>
                                <td colspan="2" class="border-0"></td>
                                <td class="text-center py-3 fw-bold border-top print-py-1">
                                    <div>{% trans "Grand Total" %}</div>
                                    <div class="small fw-normal">المجموع الكلي</div>
                                </td>
                                <td class="text-end pe-4 py-3 h5 fw-bold text-primary border-top print-py-1 print-h5">{{ settings.currency_symbol }}{{ order.total_amount|floatformat:3 }}</td>
                            </tr>
                        </tfoot>
                    </table>
                </div>

                <!-- Amount in Words -->
                <div class="mb-5 px-5 print-mb-2 print-px-0">
                    <div class="p-3 bg-light rounded-3 print-bg-none print-p-0">
                        <div class="small text-muted fw-bold text-uppercase mb-1">{% trans "Amount in Words" %} / المبلغ بالحروف</div>
                        <div class="fw-bold text-dark">{{ amount_in_words }}</div>
                    </div>
                </div>

                <!-- Notes -->
                {% if order.notes %}
                <div class="bg-light p-4 rounded-3 mb-5 mx-5 print-bg-none print-mb-2 print-mx-0 print-p-0">
                    <h6 class="fw-bold small text-uppercase mb-2 text-muted">{% trans "Notes" %} / ملاحظات</h6>
                    <p class="mb-0 small">{{ order.notes }}</p>
                </div>
                {% endif %}

                <div class="text-center text-muted small mt-5 border-top pt-4 pb-5 print-mt-2 print-pt-2 print-pb-0">
                    <p class="mb-0">{% trans "Thank you for your business!" %} / شكراً لتعاملكم معنا!</p>
                </div>
            </div>
        </div>
    </div>
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/html2pdf.js/0.10.1/html2pdf.bundle.min.js"></script>
<script>
function downloadPDF() {
    const element = document.getElementById('order-card');
    const opt = {
        margin:       0,
        filename:     'LPO_{{ order.lpo_number|default:order.id }}.pdf',
        image:        { type: 'jpeg', quality: 0.98 },
        html2canvas:  { scale: 2, useCORS: true, letterRendering: true },
        jsPDF:        { unit: 'mm', format: 'a4', orientation: 'portrait' }
    };
    html2pdf().set(opt).from(element).save();
}
</script>

<style>
@media print {
    @page { 
        size: A4 portrait; 
        margin: 10mm; 
    }
    body { 
        background-color: white !important; 
        margin: 0 !important;
        padding: 0 !important;
        font-size: 12px;
    }
    .container { 
        width: 100% !important; 
        max-width: 100% !important; 
        margin: 0 !important; 
        padding: 0 !important; 
    }
    .d-print-none { display: none !important; }
    
    /* Layout Overrides */
    #order-card {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
    }
    
    .print-section {
        padding: 0 !important;
    }
    
    /* Spacing Reductions */
    .print-mb-2 { margin-bottom: 0.5rem !important; }
    .print-mb-1 { margin-bottom: 0.25rem !important; }
    .print-mt-2 { margin-top: 1rem !important; }
    .print-pt-2 { padding-top: 0.5rem !important; }
    .print-pb-0 { padding-bottom: 0 !important; }
    .print-px-0 { padding-left: 0 !important; padding-right: 0 !important; }
    .print-mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
    .print-p-0 { padding: 0 !important; }
    
    /* Font Size Reductions */
    .print-h1 { font-size: 18px !important; margin-bottom: 0.5rem !important; }
    .print-h3 { font-size: 16px !important; }
    .print-h5 { font-size: 14px !important; }
    .print-small { font-size: 10px !important; }
    
    /* Table Compactness */
    .table th, .table td {
        padding: 4px 8px !important;
        font-size: 11px !important;
    }
    .print-py-1 { padding-top: 4px !important; padding-bottom: 4px !important; }
    
    /* Hide Backgrounds */
    .print-bg-none { background-color: transparent !important; }
    .badge { 
        border: 1px solid #000; 
        color: #000 !important; 
        background: transparent !important; 
        padding: 2px 8px !important;
    }
    
    /* Logo sizing */
    .print-logo { max-height: 50px !important; }
}
</style>
{% endblock %}