{% extends "layouts/full_base.html" %}

{% load static %}

{% block title %}Server Error - 500{% endblock %}

{% block extra_css %}
<style>
    .error-container {
        min-height: 70vh;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
        border-radius: 15px;
        margin: 20px 0;
        position: relative;
        overflow: hidden;
    }
    
    .error-container::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="20" cy="80" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="30" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
        pointer-events: none;
    }
    
    .error-content {
        text-align: center;
        color: white;
        z-index: 2;
        position: relative;
    }
    
    .error-icon {
        font-size: 6rem;
        margin-bottom: 20px;
        animation: shake 2s ease-in-out infinite;
    }
    
    .error-code {
        font-size: 8rem;
        font-weight: 900;
        margin: 0;
        text-shadow: 3px 3px 0px rgba(0,0,0,0.2);
        animation: pulse 2s ease-in-out infinite;
    }
    
    .error-title {
        font-size: 2.5rem;
        margin: 20px 0;
        font-weight: 600;
    }
    
    .error-description {
        font-size: 1.2rem;
        margin-bottom: 30px;
        opacity: 0.9;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.6;
    }
    
    .error-actions {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
        margin-top: 40px;
    }
    
    .error-btn {
        padding: 15px 30px;
        border: 2px solid white;
        background: rgba(255, 255, 255, 0.1);
        color: white;
        text-decoration: none;
        border-radius: 50px;
        font-weight: 600;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
    }
    
    .error-btn:hover {
        background: white;
        color: #ff6b6b;
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    }
    
    .error-btn.primary {
        background: rgba(255, 255, 255, 0.2);
    }
    
    .floating-gears {
        position: absolute;
        width: 100%;
        height: 100%;
        overflow: hidden;
        z-index: 1;
    }
    
    .gear {
        position: absolute;
        color: rgba(255, 255, 255, 0.1);
        animation: rotate 10s linear infinite;
    }
    
    .gear:nth-child(1) {
        top: 10%;
        left: 10%;
        font-size: 3rem;
        animation-duration: 8s;
    }
    
    .gear:nth-child(2) {
        top: 70%;
        right: 15%;
        font-size: 2rem;
        animation-duration: 12s;
        animation-direction: reverse;
    }
    
    .gear:nth-child(3) {
        bottom: 10%;
        left: 20%;
        font-size: 2.5rem;
        animation-duration: 15s;
    }
    
    @keyframes shake {
        0%, 100% { transform: translateX(0); }
        25% { transform: translateX(-5px); }
        75% { transform: translateX(5px); }
    }
    
    @keyframes pulse {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.05); }
    }
    
    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }
    
    .breadcrumb-container {
        background: rgba(248, 249, 250, 0.95);
        border-radius: 10px;
        padding: 15px;
        margin-bottom: 20px;
        backdrop-filter: blur(10px);
    }
    
    .status-indicator {
        display: inline-flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.2);
        padding: 10px 20px;
        border-radius: 25px;
        margin-top: 20px;
        font-weight: 500;
    }
    
    .status-dot {
        width: 10px;
        height: 10px;
        background: #fff;
        border-radius: 50%;
        margin-right: 10px;
        animation: blink 1.5s ease-in-out infinite;
    }
    
    @keyframes blink {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.5; }
    }
    
    @media (max-width: 768px) {
        .error-code {
            font-size: 5rem;
        }
        .error-title {
            font-size: 2rem;
        }
        .error-description {
            font-size: 1rem;
            padding: 0 20px;
        }
        .error-actions {
            flex-direction: column;
            align-items: center;
        }
        .error-btn {
            width: 200px;
            text-align: center;
        }
        .error-icon {
            font-size: 4rem;
        }
    }
</style>
{% endblock extra_css %}

{% block breadcrumb %}
<div class="breadcrumb-container">
    <div class="page-header">
        <h1 class="page-title">Server Error</h1>
        <div>
            <ol class="breadcrumb">
                <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
                <li class="breadcrumb-item active" aria-current="page">500 Error</li>
            </ol>
        </div>
    </div>
</div>
{% endblock %}

{% block content %}
<div class="row">
    <div class="col-12">
        <div class="error-container">
            <div class="floating-gears">
                <i class="fe fe-cog gear"></i>
                <i class="fe fe-cog gear"></i>
                <i class="fe fe-cog gear"></i>
            </div>
            
            <div class="error-content">
                <i class="fe fe-tools error-icon"></i>
                <h1 class="error-code">500</h1>
                <h2 class="error-title">Internal Server Error</h2>
                <p class="error-description">
                    Oops! Something went wrong on our servers. Our team has been notified 
                    and is working to fix this issue. Please try again in a few moments.
                </p>
                
                <div class="status-indicator">
                    <div class="status-dot"></div>
                    System Status: Under Maintenance
                </div>
                
                <div class="error-actions">
                    <a href="{% url 'core:dashboard' %}" class="error-btn primary">
                        <i class="fe fe-home me-2"></i>Back to Dashboard
                    </a>
                    <a href="javascript:location.reload()" class="error-btn">
                        <i class="fe fe-sync-alt me-2"></i>Try Again
                    </a>
                    <a href="mailto:support@yourcompany.com" class="error-btn">
                        <i class="fe fe-envelope me-2"></i>Contact Support
                    </a>
                </div>
            </div>
        </div>
        
        <!-- Technical Details for Admins -->
        {% if user.is_staff or user.is_superuser %}
        <div class="card mt-4 border-danger">
            <div class="card-header bg-danger text-white">
                <h5 class="mb-0"><i class="fe fe-exclamation-triangle me-2"></i>Technical Details (Admin Only)</h5>
            </div>
            <div class="card-body">
                <div class="row">
                    <div class="col-md-6">
                        <h6>Error Information:</h6>
                        <ul class="list-unstyled">
                            <li><strong>Timestamp:</strong> <span id="error-time"></span></li>
                            <li><strong>URL:</strong> <code>{{ request.build_absolute_uri }}</code></li>
                            <li><strong>Method:</strong> <code>{{ request.method }}</code></li>
                            <li><strong>User:</strong> {{ user.username|default:"Anonymous" }}</li>
                        </ul>
                    </div>
                    <div class="col-md-6">
                        <h6>Recommended Actions:</h6>
                        <ul>
                            <li>Check server logs for detailed error information</li>
                            <li>Verify database connectivity</li>
                            <li>Check application dependencies</li>
                            <li>Review recent code changes</li>
                        </ul>
                    </div>
                </div>
            </div>
        </div>
        {% endif %}
        
        <!-- User Help Section -->
        <div class="card mt-4">
            <div class="card-body text-center">
                <h5 class="card-title">What can you do?</h5>
                <div class="row mt-3">
                    <div class="col-md-3">
                        <div class="d-flex flex-column align-items-center mb-3">
                            <i class="fe fe-clock fa-2x text-warning mb-2"></i>
                            <h6>Wait a moment</h6>
                            <small class="text-muted">The issue might resolve automatically</small>
                        </div>
                    </div>
                    <div class="col-md-3">
                        <div class="d-flex flex-column align-items-center mb-3">
                            <i class="fe fe-redo fa-2x text-primary mb-2"></i>
                            <h6>Refresh the page</h6>
                            <small class="text-muted">Try loading the page again</small>
                        </div>
                    </div>
                    <div class="col-md-3">
                        <div class="d-flex flex-column align-items-center mb-3">
                            <i class="fe fe-history fa-2x text-info mb-2"></i>
                            <h6>Try later</h6>
                            <small class="text-muted">Come back in a few minutes</small>
                        </div>
                    </div>
                    <div class="col-md-3">
                        <div class="d-flex flex-column align-items-center mb-3">
                            <i class="fe fe-life-ring fa-2x text-success mb-2"></i>
                            <h6>Get help</h6>
                            <small class="text-muted">Contact our support team</small>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock content %}

{% block extra_js %}
<script>
    document.addEventListener('DOMContentLoaded', function() {
        // Display current timestamp for admin users
        const errorTimeElement = document.getElementById('error-time');
        if (errorTimeElement) {
            errorTimeElement.textContent = new Date().toLocaleString();
        }
        
        // Auto-refresh functionality (optional)
        let refreshCount = 0;
        const maxRefreshAttempts = 3;
        
        // Add click handlers for action buttons
        document.querySelectorAll('.error-btn').forEach(btn => {
            btn.addEventListener('click', function(e) {
                if (this.innerHTML.includes('Try Again')) {
                    refreshCount++;
                    if (refreshCount >= maxRefreshAttempts) {
                        if (confirm('You\'ve tried to refresh multiple times. Would you like to contact support instead?')) {
                            window.location.href = 'mailto:support@yourcompany.com';
                            e.preventDefault();
                        }
                    }
                }
            });
        });
        
        // Optional: Auto-retry after 30 seconds
        // setTimeout(() => {
        //     if (confirm('Would you like to automatically retry loading the page?')) {
        //         location.reload();
        //     }
        // }, 30000);
    });
</script>
{% endblock extra_js %}