.-.-.-.-.-

<?php
include 'includes/config.php';
include 'includes/header.php';

// Check if user is logged in
if(!isset($_SESSION['user_id'])) {
    header("Location: login.php");
    exit();
}

// Check if course ID is provided
if(!isset($_GET['id'])) {
    header("Location: courses.php");
    exit();
}

$course_id = $_GET['id'];

// Check if user is enrolled in this course
$enrollment_sql = "SELECT * FROM enrollments WHERE user_id = ? AND course_id = ?";
$enrollment_stmt = $conn->prepare($enrollment_sql);
$enrollment_stmt->bind_param("ii", $_SESSION['user_id'], $course_id);
$enrollment_stmt->execute();
$enrollment_result = $enrollment_stmt->get_result();
$is_enrolled = $enrollment_result->num_rows > 0;

// Get course details
$course_sql = "SELECT c.*, cat.name as category_name, i.name as instructor_name, i.bio as instructor_bio 
               FROM courses c 
               LEFT JOIN categories cat ON c.category_id = cat.id 
               LEFT JOIN instructors i ON c.instructor_id = i.id 
               WHERE c.id = ?";
$course_stmt = $conn->prepare($course_sql);
$course_stmt->bind_param("i", $course_id);
$course_stmt->execute();
$course_result = $course_stmt->get_result();

if($course_result->num_rows == 0) {
    header("Location: courses.php");
    exit();
}

$course = $course_result->fetch_assoc();

// Handle image path
// $image_path = getCourseImagePath($course['image']);
?>

<div class="container py-5">
    <div class="row">
        <div class="col-lg-8">
            
            <div class="card mb-4">
                <div class="card-body">
                    <nav aria-label="breadcrumb">
                        <ol class="breadcrumb">
                            <li class="breadcrumb-item"><a href="courses.php">Courses</a></li>
                            <li class="breadcrumb-item"><a href="courses.php?category=<?php echo $course['category_id']; ?>"><?php echo htmlspecialchars($course['category_name']); ?></a></li>
                            <li class="breadcrumb-item active"><?php echo htmlspecialchars($course['title']); ?></li>
                        </ol>
                    </nav>
                    
                    <h1 class="h2 mb-3"><?php echo htmlspecialchars($course['title']); ?></h1>
                    
                    <div class="d-flex align-items-center mb-3">
                        <div class="me-3">
                            <i class="bi bi-folder text-primary me-1"></i>
                            <span class="text-muted"><?php echo htmlspecialchars($course['category_name']); ?></span>
                        </div>
                        <div class="me-3">
                            <i class="bi bi-person text-primary me-1"></i>
                            <span class="text-muted">By <?php echo htmlspecialchars($course['instructor_name']); ?></span>
                        </div>
                        <?php if($course['is_popular']): ?>
                        <div>
                            <span class="badge bg-warning text-dark">Popular</span>
                        </div>
                        <?php endif; ?>
                    </div>
                    
                    <p class="lead"><?php echo htmlspecialchars($course['description']); ?></p>
                </div>
            </div>

<div class="card mb-4">
                <div class="card-header bg-primary text-white">
                    <h3 class="h5 mb-0">
                        <i class="bi bi-play-circle me-2"></i>Course Content
                    </h3>
                </div>
                <div class="card-body">
                    <?php if($is_enrolled): ?>
                        
                        <div class="course-content">
                            <?php echo nl2br(htmlspecialchars($course['content'])); ?>
                        </div>
                        
                        
                        <div class="mt-4">
                            <h5 class="mb-3">Learning Materials</h5>
                            <div class="list-group">
                                <a href="#" class="list-group-item list-group-item-action">
                                    <i class="bi bi-file-pdf text-danger me-2"></i>Course Syllabus
                                </a>
                                <a href="#" class="list-group-item list-group-item-action">
                                    <i class="bi bi-file-text text-primary me-2"></i>Study Guide
                                </a>
                                <a href="#" class="list-group-item list-group-item-action">
                                    <i class="bi bi-link-45deg text-success me-2"></i>Additional Resources
                                </a>
                            </div>
                        </div>
                    <?php else: ?>
                        
                        <div class="alert alert-info">
                            <h5 class="alert-heading">
                                <i class="bi bi-lock-fill me-2"></i>Content Locked
                            </h5>
                            <p class="mb-3">Enroll in this course to access all content, materials, and start learning!</p>
                            
                            
                            <div class="preview-content">
                                <?php
                                $preview_content = substr($course['content'], 0, 300);
                                echo nl2br(htmlspecialchars($preview_content));
                                if(strlen($course['content']) > 300) {
                                    echo '... <span class="text-muted">[Content continues after enrollment]</span>';
                                }
                                ?>
                            </div>
                            
                            <hr>
                            <div class="d-flex justify-content-between align-items-center">
                                <div>
                                    <strong>What you'll get after enrollment:</strong>
                                    <ul class="mb-0 mt-2">
                                        <li>Full course content access</li>
                                        <li>Downloadable materials</li>
                                        <li>Certificate of completion</li>
                                        <li>Instructor support</li>
                                    </ul>
                                </div>
                                <div class="text-end">
                                    <?php if($course['current_price'] == 0): ?>
                                        <a href="enroll.php?course_id=<?php echo $course['id']; ?>" class="btn btn-success btn-lg">
                                            <i class="bi bi-play-circle me-2"></i>Enroll for Free
                                        </a>
                                    <?php else: ?>
                                        <a href="checkout.php?course_id=<?php echo $course['id']; ?>" class="btn btn-primary btn-lg">
                                            <i class="bi bi-cart me-2"></i>Enroll Now - $<?php echo number_format($course['current_price'], 2); ?>
                                        </a>
                                    <?php endif; ?>
                                </div>
                            </div>
                        </div>
                    <?php endif; ?>
                </div>
            </div>

<div class="card mb-4">
                <div class="card-header">
                    <h3 class="h5 mb-0">About the Instructor</h3>
                </div>
                <div class="card-body">
                    <div class="row align-items-center">
                        <div class="col-md-3 text-center">
                            <div class="instructor-avatar bg-primary text-white rounded-circle d-inline-flex align-items-center justify-content-center" style="width: 80px; height: 80px; font-size: 2rem;">
                                <i class="bi bi-person-fill"></i>
                            </div>
                        </div>
                        <div class="col-md-9">
                            <h4 class="h5"><?php echo htmlspecialchars($course['instructor_name']); ?></h4>
                            <p class="text-muted"><?php echo nl2br(htmlspecialchars($course['instructor_bio'])); ?></p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

<div class="col-lg-4">
            
            <div class="card mb-4">
                <img src="<?php echo $image_path; ?>" class="card-img-top" alt="<?php echo htmlspecialchars($course['title']); ?>"
                     onerror="this.onerror=null; this.src='assets/images/course-placeholder.jpg';">
                <div class="card-body">
                    <div class="price-section text-center mb-4">
                        <?php if($course['old_price'] > 0): ?>
                        <div class="old-price text-muted text-decoration-line-through mb-1">
                            $<?php echo number_format($course['old_price'], 2); ?>
                        </div>
                        <?php endif; ?>
                        <div class="current-price h3 text-primary mb-3">
                            <?php echo ($course['current_price'] == 0) ? 'Free' : '$' . number_format($course['current_price'], 2); ?>
                        </div>
                    </div>

<div class="d-grid gap-2">
                        <?php if($is_enrolled): ?>
                            <button class="btn btn-success btn-lg" disabled>
                                <i class="bi bi-check-circle me-2"></i>Enrolled
                            </button>
                            <a href="my-courses.php" class="btn btn-outline-primary">
                                <i class="bi bi-play-circle me-2"></i>Continue Learning
                            </a>
                        <?php else: ?>
                            <?php if($course['current_price'] == 0): ?>
                                <a href="enroll.php?course_id=<?php echo $course['id']; ?>" class="btn btn-success btn-lg">
                                    <i class="bi bi-play-circle me-2"></i>Enroll for Free
                                </a>
                            <?php else: ?>
                                <a href="checkout.php?course_id=<?php echo $course['id']; ?>" class="btn btn-primary btn-lg">
                                    <i class="bi bi-cart me-2"></i>Enroll Now
                                </a>
                                <form method="POST" action="add_to_cart.php" class="d-inline">
                                    <input type="hidden" name="course_id" value="<?php echo $course['id']; ?>">
                                    <button type="submit" name="add_to_cart" class="btn btn-outline-primary w-100">
                                        <i class="bi bi-cart-plus me-2"></i>Add to Cart
                                    </button>
                                </form>
                            <?php endif; ?>
                        <?php endif; ?>
                    </div>

<div class="mt-4">
                        <div class="d-flex justify-content-between text-muted mb-2">
                            <span><i class="bi bi-clock me-2"></i>Duration</span>
                            <span>Lifetime Access</span>
                        </div>
                        <div class="d-flex justify-content-between text-muted mb-2">
                            <span><i class="bi bi-bar-chart me-2"></i>Level</span>
                            <span>All Levels</span>
                        </div>
                        <div class="d-flex justify-content-between text-muted mb-2">
                            <span><i class="bi bi-translate me-2"></i>Language</span>
                            <span>English</span>
                        </div>
                        <div class="d-flex justify-content-between text-muted">
                            <span><i class="bi bi-award me-2"></i>Certificate</span>
                            <span>Yes</span>
                        </div>
                    </div>
                </div>
            </div>

<div class="card">
                <div class="card-body">
                    <h5 class="card-title">Share this course</h5>
                    <div class="d-flex gap-2">
                        <button class="btn btn-outline-primary btn-sm flex-fill">
                            <i class="bi bi-facebook"></i>
                        </button>
                        <button class="btn btn-outline-info btn-sm flex-fill">
                            <i class="bi bi-twitter"></i>
                        </button>
                        <button class="btn btn-outline-danger btn-sm flex-fill">
                            <i class="bi bi-envelope"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

.preview-content {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #0d6efd;
    margin: 15px 0;
}

.instructor-avatar {
    background: linear-gradient(135deg, #0d6efd, #6610f2);
}

.price-section .old-price {
    font-size: 1.2rem;
}

.price-section .current-price {
    font-weight: bold;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}
</style>

<?php include 'includes/footer.php'; ?>

/home/users/unlimited/www/wordpress/../nigeria.codeskitter.site/course-content.php