{% extends "base.html" %}
{% load static %}

{% block title %}Terminate Session - Session Management{% endblock %}

{% block content %}
<!-- BEGIN breadcrumb -->
<ol class="breadcrumb float-xl-end">
    <li class="breadcrumb-item"><a href="{% url 'core:dashboard' %}">Dashboard</a></li>
    <li class="breadcrumb-item"><a href="{% url 'accounts:user_list' %}">Users</a></li>
    <li class="breadcrumb-item"><a href="{% url 'accounts:session_list' %}">Sessions</a></li>
    <li class="breadcrumb-item active">Terminate Session</li>
</ol>
<!-- END breadcrumb -->

<!-- BEGIN page-header -->
<h1 class="page-header">
    Terminate Session
    <small>Confirmation Required</small>
</h1>
<!-- END page-header -->

<div class="row justify-content-center">
    <div class="col-xl-8">
        <!-- BEGIN panel -->
        <div class="panel panel-inverse">
            <div class="panel-heading">
                <h4 class="panel-title">
                    <i class="fa fa-sign-out-alt text-warning me-2"></i>
                    Confirm Session Termination
                </h4>
            </div>
            <div class="panel-body">
                <!-- Warning Alert -->
                <div class="alert alert-warning d-flex align-items-center mb-4">
                    <i class="fa fa-exclamation-triangle fa-2x me-3"></i>
                    <div>
                        <h6 class="alert-heading mb-1">Session Termination</h6>
                        <p class="mb-0">You are about to terminate an active user session. The user will be immediately logged out and will need to authenticate again.</p>
                    </div>
                </div>

                <!-- Session Information -->
                <div class="row mb-4">
                    <div class="col-md-6">
                        <h6 class="mb-3">Session Details</h6>
                        <table class="table table-borderless">
                            <tr>
                                <td class="fw-bold" width="140">Session Key:</td>
                                <td><code class="small">{{ object.session_key|truncatechars:32 }}...</code></td>
                            </tr>
                            <tr>
                                <td class="fw-bold">User:</td>
                                <td>
                                    {% if object.user %}
                                    {{ object.user.get_full_name }}
                                    <br><small class="text-muted">{{ object.user.username }}</small>
                                    {% else %}
                                    <span class="text-muted">Anonymous Session</span>
                                    {% endif %}
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">IP Address:</td>
                                <td>{{ object.ip_address|default:"Unknown" }}</td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Created:</td>
                                <td>{{ object.created_at|date:"M d, Y H:i:s" }}</td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Last Activity:</td>
                                <td>
                                    {{ object.last_activity|date:"M d, Y H:i:s" }}
                                    <br><small class="text-muted">{{ object.last_activity|timesince }} ago</small>
                                </td>
                            </tr>
                        </table>
                    </div>
                    <div class="col-md-6">
                        <h6 class="mb-3">Session Status</h6>
                        <table class="table table-borderless">
                            <tr>
                                <td class="fw-bold" width="140">Status:</td>
                                <td>
                                    {% if object.is_active %}
                                    <span class="badge bg-success">Active</span>
                                    {% else %}
                                    <span class="badge bg-secondary">Expired</span>
                                    {% endif %}
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Duration:</td>
                                <td>{{ object.duration }}</td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Browser:</td>
                                <td>
                                    {% if object.user_agent %}
                                    {{ object.browser_info.name }} {{ object.browser_info.version }}
                                    <br><small class="text-muted">{{ object.browser_info.os }}</small>
                                    {% else %}
                                    <span class="text-muted">Unknown</span>
                                    {% endif %}
                                </td>
                            </tr>
                            <tr>
                                <td class="fw-bold">Expires:</td>
                                <td>
                                    {% if object.expires_at %}
                                    {{ object.expires_at|date:"M d, Y H:i:s" }}
                                    {% if object.is_active %}
                                    <br><small class="text-muted">{{ object.expires_at|timeuntil }} remaining</small>
                                    {% endif %}
                                    {% else %}
                                    <span class="text-muted">No expiration</span>
                                    {% endif %}
                                </td>
                            </tr>
                        </table>
                    </div>
                </div>

                <!-- Impact Assessment -->
                {% if object.is_active %}
                <div class="alert alert-info mb-4">
                    <h6 class="alert-heading">
                        <i class="fa fa-info-circle me-2"></i>Impact Assessment
                    </h6>
                    <ul class="mb-0">
                        <li><strong>User Experience:</strong> The user will be immediately logged out</li>
                        <li><strong>Unsaved Data:</strong> Any unsaved work may be lost</li>
                        <li><strong>Active Processes:</strong> Any ongoing operations will be interrupted</li>
                        <li><strong>Re-authentication:</strong> User will need to log in again to continue</li>
                        {% if object.user %}
                        <li><strong>Other Sessions:</strong> User's other active sessions will remain unaffected</li>
                        {% endif %}
                    </ul>
                </div>
                {% else %}
                <div class="alert alert-secondary mb-4">
                    <h6 class="alert-heading">
                        <i class="fa fa-info-circle me-2"></i>Session Already Expired
                    </h6>
                    <p class="mb-0">This session has already expired and is no longer active. Termination will only remove it from the database.</p>
                </div>
                {% endif %}

                <!-- Security Information -->
                {% if object.suspicious_activity %}
                <div class="alert alert-danger mb-4">
                    <h6 class="alert-heading">
                        <i class="fa fa-shield-alt me-2"></i>Security Alert
                    </h6>
                    <p class="mb-2">This session has been flagged for suspicious activity.</p>
                    <p class="mb-0"><strong>Immediate termination is recommended for security reasons.</strong></p>
                </div>
                {% endif %}

                <!-- Related Sessions -->
                {% if object.user and related_sessions %}
                <div class="card border-info mb-4">
                    <div class="card-header bg-light">
                        <h6 class="card-title mb-0">
                            <i class="fa fa-users me-2"></i>Related Active Sessions
                        </h6>
                    </div>
                    <div class="card-body">
                        <p class="card-text">This user has {{ related_sessions|length }} other active session(s):</p>
                        <div class="table-responsive">
                            <table class="table table-sm">
                                <thead>
                                    <tr>
                                        <th>IP Address</th>
                                        <th>Browser</th>
                                        <th>Last Activity</th>
                                        <th>Action</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    {% for session in related_sessions %}
                                    <tr>
                                        <td>{{ session.ip_address|default:"Unknown" }}</td>
                                        <td>{{ session.browser_info.name|default:"Unknown" }}</td>
                                        <td>{{ session.last_activity|timesince }} ago</td>
                                        <td>
                                            <a href="{% url 'accounts:session_detail' session.session_key %}" class="btn btn-xs btn-outline-primary">
                                                View
                                            </a>
                                        </td>
                                    </tr>
                                    {% endfor %}
                                </tbody>
                            </table>
                        </div>
                        <div class="mt-3">
                            <button class="btn btn-sm btn-warning" onclick="terminateAllUserSessions()">
                                <i class="fa fa-sign-out-alt me-2"></i>Terminate All User Sessions
                            </button>
                        </div>
                    </div>
                </div>
                {% endif %}

                <!-- Termination Form -->
                <form method="post" id="terminate-form">
                    {% csrf_token %}
                    
                    <div class="card border-warning">
                        <div class="card-header bg-warning text-dark">
                            <h6 class="card-title mb-0">
                                <i class="fa fa-sign-out-alt me-2"></i>Termination Confirmation
                            </h6>
                        </div>
                        <div class="card-body">
                            {% if object.is_active %}
                            <div class="form-check mb-3">
                                <input class="form-check-input" type="checkbox" id="confirm-understanding" required>
                                <label class="form-check-label" for="confirm-understanding">
                                    I understand that this will immediately log out the user
                                </label>
                            </div>
                            
                            <div class="form-check mb-3">
                                <input class="form-check-input" type="checkbox" id="confirm-impact" required>
                                <label class="form-check-label" for="confirm-impact">
                                    I acknowledge that unsaved work may be lost
                                </label>
                            </div>
                            {% endif %}
                            
                            <div class="mb-3">
                                <label class="form-label">Reason for Termination <span class="text-danger">*</span></label>
                                <select class="form-select" name="termination_reason" required>
                                    <option value="">Select reason...</option>
                                    <option value="SECURITY_CONCERN">Security concern</option>
                                    <option value="SUSPICIOUS_ACTIVITY">Suspicious activity</option>
                                    <option value="ADMINISTRATIVE">Administrative action</option>
                                    <option value="USER_REQUEST">User request</option>
                                    <option value="POLICY_VIOLATION">Policy violation</option>
                                    <option value="MAINTENANCE">System maintenance</option>
                                    <option value="OTHER">Other</option>
                                </select>
                            </div>
                            
                            <div class="mb-3">
                                <label class="form-label">Additional Notes</label>
                                <textarea class="form-control" name="termination_notes" rows="3" 
                                         placeholder="Provide additional details about why this session is being terminated..."></textarea>
                            </div>
                        </div>
                    </div>

                    <!-- Action Buttons -->
                    <div class="d-flex justify-content-between mt-4">
                        <div>
                            <a href="{% url 'accounts:session_detail' object.session_key %}" class="btn btn-secondary">
                                <i class="fa fa-arrow-left me-2"></i>Cancel
                            </a>
                        </div>
                        <button type="submit" class="btn btn-warning" id="terminate-btn" {% if object.is_active %}disabled{% endif %}>
                            <i class="fa fa-sign-out-alt me-2"></i>
                            {% if object.is_active %}Terminate Session{% else %}Remove Session{% endif %}
                        </button>
                    </div>
                </form>
            </div>
        </div>
        <!-- END panel -->
    </div>
</div>
{% endblock %}

{% block js %}
<script>
$(document).ready(function() {
    // Enable/disable terminate button based on checkboxes
    function updateTerminateButton() {
        {% if object.is_active %}
        var allChecked = true;
        $('input[type="checkbox"][required]').each(function() {
            if (!$(this).is(':checked')) {
                allChecked = false;
                return false;
            }
        });
        
        var reasonSelected = $('select[name="termination_reason"]').val() !== '';
        
        $('#terminate-btn').prop('disabled', !(allChecked && reasonSelected));
        {% else %}
        var reasonSelected = $('select[name="termination_reason"]').val() !== '';
        $('#terminate-btn').prop('disabled', !reasonSelected);
        {% endif %}
    }
    
    // Check on checkbox change
    $('input[type="checkbox"], select[name="termination_reason"]').on('change', updateTerminateButton);
    
    // Form submission confirmation
    $('#terminate-form').on('submit', function(e) {
        {% if object.is_active %}
        var confirmText = 'Are you sure you want to terminate this session?\n\nThe user will be immediately logged out.';
        {% else %}
        var confirmText = 'Are you sure you want to remove this expired session from the database?';
        {% endif %}
        
        if (!confirm(confirmText)) {
            e.preventDefault();
        }
    });
    
    // Auto-focus on first checkbox or reason select
    {% if object.is_active %}
    $('#confirm-understanding').focus();
    {% else %}
    $('select[name="termination_reason"]').focus();
    {% endif %}
});

{% if object.user and related_sessions %}
function terminateAllUserSessions() {
    if (confirm('Are you sure you want to terminate ALL active sessions for this user?\n\nThis will log them out from all devices.')) {
        $.ajax({
            url: '{% url "accounts:user_terminate_sessions" object.user.pk %}',
            method: 'POST',
            data: {
                'csrfmiddlewaretoken': '{{ csrf_token }}'
            },
            success: function(response) {
                if (response.success) {
                    toastr.success('All user sessions terminated successfully');
                    window.location.href = '{% url "accounts:session_list" %}';
                } else {
                    toastr.error('Failed to terminate user sessions');
                }
            },
            error: function() {
                toastr.error('An error occurred while terminating user sessions');
            }
        });
    }
}
{% endif %}
</script>
{% endblock %}