{% extends "core/base.html" %}

{% block title %}Subscription Details - Inventory Management System{% endblock %}

{% block page_title %}Subscription Details{% endblock %}

{% block header_actions %}
<a href="{% url 'subscription_plans' %}" class="btn btn-sm btn-outline-secondary me-2">
    <i class="fas fa-arrow-left me-1"></i>Back to Plans
</a>
<a href="{% url 'business_dashboard' %}" class="btn btn-sm btn-outline-primary">
    <i class="fas fa-tachometer-alt me-1"></i>Dashboard
</a>
{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-lg-10 mx-auto">
            <!-- Current Subscription Card -->
            <div class="card shadow mb-4">
                <div class="card-header bg-primary text-white py-3">
                    <h5 class="mb-0">
                        <i class="fas fa-crown me-2"></i>
                        Current Subscription: {{ subscription.plan.name }}
                    </h5>
                </div>
                <div class="card-body">
                    <div class="row">
                        <!-- Plan Details -->
                        <div class="col-md-6">
                            <div class="mb-4">
                                <h4 class="fw-bold mb-1">
                                    ${{ subscription.plan.price }}
                                    <small class="text-muted fs-6">
                                        /{{ subscription.plan.get_billing_cycle_display }}
                                    </small>
                                </h4>
                                <p class="text-muted">{{ subscription.plan.description }}</p>
                            </div>
                            
                            <div class="mb-4">
                                <h6 class="fw-semibold mb-3">Plan Features:</h6>
                                <div class="row">
                                    <div class="col-6">
                                        <ul class="list-unstyled">
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                {{ subscription.plan.max_products }} Products
                                            </li>
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                {{ subscription.plan.max_users }} Users
                                            </li>
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                {{ subscription.plan.max_storage_mb }} MB Storage
                                            </li>
                                            {% if subscription.plan.has_advanced_reports %}
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                Advanced Reports
                                            </li>
                                            {% endif %}
                                        </ul>
                                    </div>
                                    <div class="col-6">
                                        <ul class="list-unstyled">
                                            {% if subscription.plan.has_bulk_operations %}
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                Bulk Operations
                                            </li>
                                            {% endif %}
                                            {% if subscription.plan.has_sms_notifications %}
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                SMS Notifications
                                            </li>
                                            {% endif %}
                                            {% if subscription.plan.has_email_support %}
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                Email Support
                                            </li>
                                            {% endif %}
                                            {% if subscription.plan.has_phone_support %}
                                            <li class="mb-2">
                                                <i class="fas fa-check text-success me-2"></i>
                                                Phone Support
                                            </li>
                                            {% endif %}
                                        </ul>
                                    </div>
                                </div>
                            </div>
                        </div>
                        
                        <!-- Subscription Status -->
                        <div class="col-md-6">
                            <div class="card bg-light h-100">
                                <div class="card-body">
                                    <h6 class="fw-semibold mb-3">Subscription Status</h6>
                                    
                                    <div class="mb-4">
                                        <div class="d-flex justify-content-between mb-2">
                                            <span>Status:</span>
                                            <span class="badge {% if subscription.is_active %}bg-success{% else %}bg-danger{% endif %}">
                                                {% if subscription.is_active %}Active{% else %}Inactive{% endif %}
                                            </span>
                                        </div>
                                        <div class="d-flex justify-content-between mb-2">
                                            <span>Started:</span>
                                            <span>{{ subscription.start_date|date:"M d, Y" }}</span>
                                        </div>
                                        <div class="d-flex justify-content-between mb-2">
                                            <span>Next Billing:</span>
                                            <span>{{ subscription.end_date|date:"M d, Y" }}</span>
                                        </div>
                                        <div class="d-flex justify-content-between mb-3">
                                            <span>Days Remaining:</span>
                                            <span class="fw-bold {% if subscription.days_remaining <= 7 %}text-warning{% elif subscription.days_remaining <= 3 %}text-danger{% else %}text-success{% endif %}">
                                                {{ subscription.days_remaining }} days
                                            </span>
                                        </div>
                                        
                                        <!-- Progress Bar -->
                                        <div class="progress mb-3" style="height: 10px;">
                                            <div class="progress-bar {% if subscription.days_remaining <= 7 %}bg-warning{% elif subscription.days_remaining <= 3 %}bg-danger{% else %}bg-success{% endif %}" 
                                                 role="progressbar" 
                                                 style="width: {% widthratio subscription.days_remaining 30 100 %}%"
                                                 aria-valuenow="{{ subscription.days_remaining }}" 
                                                 aria-valuemin="0" 
                                                 aria-valuemax="30">
                                            </div>
                                        </div>
                                    </div>
                                    
                                    <!-- Auto-renew -->
                                    <div class="mb-4">
                                        <div class="form-check form-switch">
                                            <input class="form-check-input" type="checkbox" id="autoRenew" 
                                                   {% if subscription.auto_renew %}checked{% endif %} disabled>
                                            <label class="form-check-label fw-semibold" for="autoRenew">
                                                Auto-renew
                                            </label>
                                        </div>
                                        <p class="small text-muted mb-0">
                                            Subscription will {% if not subscription.auto_renew %}not {% endif %}automatically renew
                                        </p>
                                    </div>
                                    
                                    <!-- Payment Info -->
                                    <div class="mb-4">
                                        <h6 class="fw-semibold mb-2">Payment Information</h6>
                                        <p class="mb-1">
                                            <small>Amount Paid:</small>
                                            <span class="fw-bold float-end">${{ subscription.amount_paid }}</span>
                                        </p>
                                        <p class="mb-1">
                                            <small>Payment Method:</small>
                                            <span class="float-end">{{ subscription.payment_method|title }}</span>
                                        </p>
                                        {% if subscription.payment_reference %}
                                        <p class="mb-0">
                                            <small>Reference:</small>
                                            <span class="float-end text-muted small">{{ subscription.payment_reference }}</span>
                                        </p>
                                        {% endif %}
                                    </div>
                                    
                                    <!-- Action Buttons -->
                                    <div class="d-grid gap-2">
                                        {% if subscription.is_active %}
                                        <a href="{% url 'cancel_subscription' %}" class="btn btn-outline-danger">
                                            <i class="fas fa-ban me-2"></i>Cancel Subscription
                                        </a>
                                        {% endif %}
                                        <a href="{% url 'subscription_plans' %}" class="btn btn-primary">
                                            <i class="fas fa-exchange-alt me-2"></i>Change Plan
                                        </a>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Usage Statistics -->
            <div class="card shadow mb-4">
                <div class="card-header bg-white py-3">
                    <h6 class="mb-0">
                        <i class="fas fa-chart-bar me-2 text-primary"></i>
                        Usage Statistics
                    </h6>
                </div>
                <div class="card-body">
                    <div class="row">
                        <!-- Products Usage -->
                        <div class="col-md-6 mb-4">
                            <h6 class="fw-semibold mb-3">
                                <i class="fas fa-boxes me-2 text-primary"></i>
                                Products Usage
                            </h6>
                            <div class="d-flex justify-content-between mb-2">
                                <span>Used:</span>
                                <span>{{ usage.products.used }} / {{ usage.products.limit }}</span>
                            </div>
                            <div class="progress mb-3" style="height: 10px;">
                                <div class="progress-bar {% if usage.products.percentage > 80 %}bg-warning{% else %}bg-primary{% endif %}" 
                                     role="progressbar" 
                                     style="width: {{ usage.products.percentage }}%"
                                     aria-valuenow="{{ usage.products.used }}" 
                                     aria-valuemin="0" 
                                     aria-valuemax="{{ usage.products.limit }}">
                                </div>
                            </div>
                            <p class="small text-muted mb-0">
                                {{ usage.products.percentage|floatformat:1 }}% of your product limit used
                            </p>
                        </div>
                        
                        <!-- Users Usage -->
                        <div class="col-md-6 mb-4">
                            <h6 class="fw-semibold mb-3">
                                <i class="fas fa-users me-2 text-success"></i>
                                Users Usage
                            </h6>
                            <div class="d-flex justify-content-between mb-2">
                                <span>Used:</span>
                                <span>{{ usage.users.used }} / {{ usage.users.limit }}</span>
                            </div>
                            <div class="progress mb-3" style="height: 10px;">
                                <div class="progress-bar {% if usage.users.percentage > 80 %}bg-warning{% else %}bg-success{% endif %}" 
                                     role="progressbar" 
                                     style="width: {{ usage.users.percentage }}%"
                                     aria-valuenow="{{ usage.users.used }}" 
                                     aria-valuemin="0" 
                                     aria-valuemax="{{ usage.users.limit }}">
                                </div>
                            </div>
                            <p class="small text-muted mb-0">
                                {{ usage.users.percentage|floatformat:1 }}% of your user limit used
                            </p>
                        </div>
                    </div>
                    
                    <!-- Storage Usage -->
                    <div class="row">
                        <div class="col-12">
                            <h6 class="fw-semibold mb-3">
                                <i class="fas fa-hdd me-2 text-warning"></i>
                                Storage Usage
                            </h6>
                            <div class="d-flex justify-content-between mb-2">
                                <span>Available:</span>
                                <span>{{ subscription.plan.max_storage_mb }} MB</span>
                            </div>
                            <div class="progress mb-3" style="height: 10px;">
                                <div class="progress-bar bg-warning" 
                                     role="progressbar" 
                                     style="width: 25%"
                                     aria-valuenow="25" 
                                     aria-valuemin="0" 
                                     aria-valuemax="100">
                                </div>
                            </div>
                            <p class="small text-muted mb-0">
                                Approximately 25% of storage used (estimated)
                            </p>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Billing History -->
            <div class="card shadow">
                <div class="card-header bg-white py-3">
                    <h6 class="mb-0">
                        <i class="fas fa-file-invoice-dollar me-2 text-primary"></i>
                        Billing History
                    </h6>
                </div>
                <div class="card-body">
                    {% if billing_history %}
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead>
                                <tr>
                                    <th>Date</th>
                                    <th>Description</th>
                                    <th>Amount</th>
                                    <th>Status</th>
                                    <th>Reference</th>
                                </tr>
                            </thead>
                            <tbody>
                                <!-- Current Subscription -->
                                <tr>
                                    <td>{{ subscription.start_date|date:"M d, Y" }}</td>
                                    <td>
                                        {{ subscription.plan.name }} Plan
                                        <br>
                                        <small class="text-muted">{{ subscription.plan.get_billing_cycle_display }} billing</small>
                                    </td>
                                    <td class="fw-bold">${{ subscription.amount_paid }}</td>
                                    <td>
                                        <span class="badge {% if subscription.is_active %}bg-success{% else %}bg-secondary{% endif %}">
                                            {% if subscription.is_active %}Active{% else %}Inactive{% endif %}
                                        </span>
                                    </td>
                                    <td>
                                        <small class="text-muted">{{ subscription.payment_reference|default:"-" }}</small>
                                    </td>
                                </tr>
                                
                                <!-- Previous Subscriptions -->
                                {% for prev_sub in previous_subscriptions %}
                                <tr>
                                    <td>{{ prev_sub.start_date|date:"M d, Y" }}</td>
                                    <td>
                                        {{ prev_sub.plan.name }} Plan
                                        <br>
                                        <small class="text-muted">{{ prev_sub.plan.get_billing_cycle_display }} billing</small>
                                    </td>
                                    <td>${{ prev_sub.amount_paid }}</td>
                                    <td>
                                        <span class="badge bg-secondary">Ended</span>
                                    </td>
                                    <td>
                                        <small class="text-muted">{{ prev_sub.payment_reference|default:"-" }}</small>
                                    </td>
                                </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                    {% else %}
                    <div class="text-center py-4">
                        <i class="fas fa-file-invoice-dollar fa-3x text-muted mb-3"></i>
                        <p class="text-muted">No billing history available.</p>
                    </div>
                    {% endif %}
                    
                    <!-- Invoice Download (if available) -->
                    <div class="mt-4">
                        <h6 class="fw-semibold mb-3">Invoice Download</h6>
                        <div class="alert alert-info">
                            <i class="fas fa-info-circle me-2"></i>
                            <small>
                                Invoices for your subscription will be available here. 
                                For now, please contact support if you need an invoice copy.
                            </small>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Support Information -->
            <div class="card shadow mt-4">
                <div class="card-header bg-light py-3">
                    <h6 class="mb-0">
                        <i class="fas fa-headset me-2 text-primary"></i>
                        Need Help?
                    </h6>
                </div>
                <div class="card-body">
                    <div class="row">
                        <div class="col-md-4 text-center mb-3">
                            <div class="mb-3">
                                <i class="fas fa-question-circle fa-2x text-primary"></i>
                            </div>
                            <h6>FAQ</h6>
                            <p class="small text-muted">
                                Check our frequently asked questions
                            </p>
                            <a href="#" class="btn btn-sm btn-outline-primary">View FAQ</a>
                        </div>
                        
                        <div class="col-md-4 text-center mb-3">
                            <div class="mb-3">
                                <i class="fas fa-envelope fa-2x text-success"></i>
                            </div>
                            <h6>Email Support</h6>
                            <p class="small text-muted">
                                Get help via email support
                            </p>
                            <a href="mailto:support@inventorypro.com" class="btn btn-sm btn-outline-success">Email Us</a>
                        </div>
                        
                        <div class="col-md-4 text-center mb-3">
                            <div class="mb-3">
                                <i class="fas fa-phone fa-2x text-warning"></i>
                            </div>
                            <h6>Phone Support</h6>
                            <p class="small text-muted">
                                {% if subscription.plan.has_phone_support %}
                                Call us: +1 (555) 123-4567
                                {% else %}
                                Available on Premium plans
                                {% endif %}
                            </p>
                            {% if subscription.plan.has_phone_support %}
                            <a href="tel:+15551234567" class="btn btn-sm btn-outline-warning">Call Now</a>
                            {% else %}
                            <button class="btn btn-sm btn-outline-secondary" disabled>Upgrade Required</button>
                            {% endif %}
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<style>
.card {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.card.bg-light {
    background-color: #f8f9fa !important;
}

.badge {
    padding: 0.5em 0.75em;
    font-weight: 500;
}

.progress {
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    border-radius: 10px;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    border-top: none;
}

.table-hover tbody tr:hover {
    background-color: rgba(67, 97, 238, 0.05);
}

.btn {
    border-radius: 8px;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.form-switch .form-check-input {
    width: 3em;
    height: 1.5em;
}
</style>

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Update progress bars based on days remaining
    const progressBar = document.querySelector('.progress-bar');
    if (progressBar) {
        const daysRemaining = parseInt(progressBar.getAttribute('aria-valuenow'));
        
        // Update color based on days
        if (daysRemaining <= 3) {
            progressBar.style.backgroundColor = '#dc3545'; // danger
        } else if (daysRemaining <= 7) {
            progressBar.style.backgroundColor = '#ffc107'; // warning
        } else {
            progressBar.style.backgroundColor = '#28a745'; // success
        }
    }
    
    // Usage statistics animation
    const usageBars = document.querySelectorAll('.progress-bar[aria-valuemax]');
    usageBars.forEach(bar => {
        const used = parseInt(bar.getAttribute('aria-valuenow'));
        const limit = parseInt(bar.getAttribute('aria-valuemax'));
        const percentage = (used / limit) * 100;
        
        // Animate the bar
        setTimeout(() => {
            bar.style.width = Math.min(percentage, 100) + '%';
        }, 300);
    });
    
    // Auto-renew toggle functionality (simulated)
    const autoRenewToggle = document.getElementById('autoRenew');
    if (autoRenewToggle) {
        autoRenewToggle.addEventListener('change', function() {
            if (confirm('Change auto-renew setting?')) {
                // In a real app, you would make an AJAX call here
                console.log('Auto-renew changed to:', this.checked);
            } else {
                this.checked = !this.checked; // Revert if canceled
            }
        });
    }
});
</script>
{% endblock %}