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

{% block title %}Customer {{ customer.name }} - Ghana Wholesale{% endblock %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-4">
    <h2><i class="fas fa-user"></i> {{ customer.name }}</h2>
    <div>
        <a href="{% url 'customer_list' %}" class="btn btn-secondary">
            <i class="fas fa-arrow-left"></i> Back to Customers
        </a>
        <a href="{% url 'create_sale' %}" class="btn btn-primary">
            <i class="fas fa-cart-plus"></i> New Sale
        </a>
    </div>
</div>

<div class="row">
    <!-- Customer Information -->
    <div class="col-lg-8">
        <div class="card mb-4">
            <div class="card-header bg-primary text-white">
                <h5 class="mb-0"><i class="fas fa-info-circle"></i> Customer Information</h5>
            </div>
            <div class="card-body">
                <div class="row">
                    <div class="col-md-6">
                        <table class="table table-sm">
                            <tr>
                                <th width="40%">Customer Code:</th>
                                <td><strong>{{ customer.customer_code }}</strong></td>
                            </tr>
                            <tr>
                                <th>Name:</th>
                                <td>{{ customer.name }}</td>
                            </tr>
                            <tr>
                                <th>Type:</th>
                                <td>
                                    <span class="badge bg-{% if customer.customer_type == 'wholesale' %}info{% elif customer.customer_type == 'corporate' %}primary{% else %}secondary{% endif %}">
                                        {{ customer.get_customer_type_display }}
                                    </span>
                                </td>
                            </tr>
                            <tr>
                                <th>Phone:</th>
                                <td>{{ customer.phone }}</td>
                            </tr>
                            <tr>
                                <th>Email:</th>
                                <td>{{ customer.email|default:"Not provided" }}</td>
                            </tr>
                        </table>
                    </div>
                    <div class="col-md-6">
                        <table class="table table-sm">
                            <tr>
                                <th width="40%">Ghana Card:</th>
                                <td>{{ customer.ghana_card|default:"Not provided" }}</td>
                            </tr>
                            <tr>
                                <th>Credit Limit:</th>
                                <td class="text-end">GH₵ {{ customer.credit_limit|floatformat:2 }}</td>
                            </tr>
                            <tr>
                                <th>Current Balance:</th>
                                <td class="text-end">
                                    {% if customer.credit_balance > 0 %}
                                    <span class="badge bg-warning">GH₵ {{ customer.credit_balance|floatformat:2 }}</span>
                                    {% else %}
                                    <span class="text-success">GH₵ 0.00</span>
                                    {% endif %}
                                </td>
                            </tr>
                            <tr>
                                <th>Available Credit:</th>
                                <td class="text-end">
                                    <span class="badge bg-{% if customer.available_credit > 0 %}success{% else %}danger{% endif %}">
                                        GH₵ {{ customer.available_credit|floatformat:2 }}
                                    </span>
                                </td>
                            </tr>
                            <tr>
                                <th>Credit Days:</th>
                                <td>{{ customer.credit_days }} days</td>
                            </tr>
                        </table>
                    </div>
                </div>
                
                {% if customer.address %}
                <div class="mt-3">
                    <h6>Address:</h6>
                    <p class="mb-0">{{ customer.address|linebreaks }}</p>
                </div>
                {% endif %}
                
                <div class="mt-3">
                    <span class="badge bg-{% if customer.is_active %}success{% else %}secondary{% endif %}">
                        {% if customer.is_active %}Active{% else %}Inactive{% endif %}
                    </span>
                    <small class="text-muted ms-2">
                        Created: {{ customer.created_at|date:"d M Y" }} | 
                        Updated: {{ customer.updated_at|date:"d M Y" }}
                    </small>
                </div>
            </div>
        </div>

        <!-- Sales History -->
        <div class="card">
            <div class="card-header bg-info text-white">
                <h5 class="mb-0"><i class="fas fa-history"></i> Sales History</h5>
            </div>
            <div class="card-body">
                {% if sales %}
                <div class="table-responsive">
                    <table class="table table-hover">
                        <thead>
                            <tr>
                                <th>Invoice #</th>
                                <th>Date</th>
                                <th>Shop</th>
                                <th class="text-end">Items</th>
                                <th class="text-end">Amount</th>
                                <th>Payment</th>
                                <th>Status</th>
                                <th>Action</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for sale in sales %}
                            <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 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 == 'completed' %}
                                    <span class="badge bg-success">Completed</span>
                                    {% elif sale.status == 'pending' %}
                                    <span class="badge bg-warning">Pending</span>
                                    {% endif %}
                                </td>
                                <td>
                                    <a href="{% url 'sale_detail' sale.pk %}" class="btn btn-sm btn-outline-primary">
                                        <i class="fas fa-eye"></i>
                                    </a>
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
                <div class="text-center mt-3">
                    <a href="{% url 'sale_list' %}?customer={{ customer.id }}" class="btn btn-sm btn-outline-info">
                        View All Sales
                    </a>
                </div>
                {% else %}
                <div class="text-center py-4">
                    <i class="fas fa-shopping-cart fa-3x text-muted mb-3"></i>
                    <p class="text-muted">No sales history for this customer</p>
                    <a href="{% url 'create_sale' %}" class="btn btn-primary">
                        <i class="fas fa-cart-plus"></i> Create First Sale
                    </a>
                </div>
                {% endif %}
            </div>
        </div>
    </div>

    <!-- Customer Summary -->
    <div class="col-lg-4">
        <div class="card mb-4">
            <div class="card-header bg-success text-white">
                <h5 class="mb-0"><i class="fas fa-chart-bar"></i> Customer Summary</h5>
            </div>
            <div class="card-body">
                <div class="text-center mb-4">
                    <div class="display-4 fw-bold text-primary">{{ stats.total_sales }}</div>
                    <small class="text-muted">Total Sales</small>
                </div>
                
                <div class="d-flex justify-content-between mb-2">
                    <span>Total Revenue:</span>
                    <strong class="text-success">GH₵ {{ stats.total_amount|floatformat:2 }}</strong>
                </div>
                <div class="d-flex justify-content-between mb-2">
                    <span>Outstanding Balance:</span>
                    <strong class="text-warning">GH₵ {{ stats.outstanding_balance|floatformat:2 }}</strong>
                </div>
                <div class="d-flex justify-content-between mb-2">
                    <span>Credit Limit:</span>
                    <strong>GH₵ {{ customer.credit_limit|floatformat:2 }}</strong>
                </div>
                <div class="d-flex justify-content-between mb-2">
                    <span>Credit Used:</span>
                    <strong>GH₵ {{ customer.credit_balance|floatformat:2 }}</strong>
                </div>
                <div class="d-flex justify-content-between mb-2">
                    <span>Available Credit:</span>
                    <strong class="text-{% if customer.available_credit > 0 %}success{% else %}danger{% endif %}">
                        GH₵ {{ customer.available_credit|floatformat:2 }}
                    </strong>
                </div>
                
                <hr>
                
                <div class="text-center">
                    <div class="mb-2">
                        <small class="text-muted">Customer Since</small>
                        <div class="h5">{{ customer.created_at|date:"M Y" }}</div>
                    </div>
                    
                    <div class="mb-3">
                        <span class="badge bg-{% if customer.is_active %}success{% else %}secondary{% endif %}">
                            {% if customer.is_active %}Active Customer{% else %}Inactive{% endif %}
                        </span>
                    </div>
                </div>
            </div>
        </div>

        <!-- Quick Actions -->
        <div class="card mb-4">
            <div class="card-header bg-warning text-dark">
                <h5 class="mb-0"><i class="fas fa-bolt"></i> Quick Actions</h5>
            </div>
            <div class="card-body">
                <div class="d-grid gap-2">
                    <a href="{% url 'create_sale' %}" class="btn btn-primary">
                        <i class="fas fa-cart-plus"></i> New Sale
                    </a>
                    <a href="#" class="btn btn-success">
                        <i class="fas fa-credit-card"></i> Record Payment
                    </a>
                    <a href="#" class="btn btn-info">
                        <i class="fas fa-pencil-alt"></i> Edit Customer
                    </a>
                    <a href="{% url 'customer_list' %}" class="btn btn-outline-secondary">
                        <i class="fas fa-arrow-left"></i> Back to List
                    </a>
                </div>
            </div>
        </div>

        <!-- Credit Information -->
        <div class="card">
            <div class="card-header bg-danger text-white">
                <h5 class="mb-0"><i class="fas fa-exclamation-triangle"></i> Credit Status</h5>
            </div>
            <div class="card-body">
                {% if customer.credit_balance > 0 %}
                <div class="alert alert-warning">
                    <i class="fas fa-exclamation-circle"></i>
                    <strong>Outstanding Balance:</strong> GH₵ {{ customer.credit_balance|floatformat:2 }}
                    <br>
                    <small>Credit Days: {{ customer.credit_days }} days</small>
                </div>
                
                {% if customer.credit_balance >= customer.credit_limit %}
                <div class="alert alert-danger">
                    <i class="fas fa-ban"></i>
                    <strong>Credit Limit Exceeded!</strong>
                    <br>
                    <small>No more credit available</small>
                </div>
                {% endif %}
                
                {% else %}
                <div class="alert alert-success">
                    <i class="fas fa-check-circle"></i>
                    <strong>No Outstanding Balance</strong>
                    <br>
                    <small>Customer is up to date with payments</small>
                </div>
                {% endif %}
                
                <div class="progress mb-2" style="height: 20px;">
                    <div class="progress-bar bg-{% if customer.credit_balance >= customer.credit_limit %}danger{% elif customer.credit_balance > 0 %}warning{% else %}success{% endif %}" 
                         role="progressbar" 
                         style="width: {% widthratio customer.credit_balance customer.credit_limit 100 %}%;">
                        {% widthratio customer.credit_balance customer.credit_limit 100 %}% Used
                    </div>
                </div>
                <small class="text-muted">
                    Credit Limit: GH₵ {{ customer.credit_limit|floatformat:2 }}
                </small>
            </div>
        </div>
    </div>
</div>
{% endblock %}