<?php
// Simple script to create default slider images

// Set up folder
$slider_dir = __DIR__ . '/../assets/img/slider';
if (!file_exists($slider_dir)) {
    if (!mkdir($slider_dir, 0755, true)) {
        die("Failed to create slider directory. Please check permissions.");
    }
}

// Create placeholder images
$images = [
    [
        'name' => 'default-slide-1.jpg',
        'text' => 'Empowering Future Technology Leaders',
        'color' => [66, 133, 244] // Blue
    ],
    [
        'name' => 'default-slide-2.jpg',
        'text' => 'Learn From Industry Experts',
        'color' => [219, 68, 55] // Red
    ],
    [
        'name' => 'default-slide-3.jpg',
        'text' => 'Achieve Your Career Goals',
        'color' => [15, 157, 88] // Green
    ]
];

header('Content-Type: text/html');
echo "<h1>Creating Slider Images</h1>";

foreach ($images as $image) {
    $image_path = $slider_dir . '/' . $image['name'];
    
    // Create a colored image with text
    $width = 1920;
    $height = 1080;
    $img = imagecreatetruecolor($width, $height);
    
    // Background color
    $bg = imagecolorallocate($img, $image['color'][0], $image['color'][1], $image['color'][2]);
    imagefill($img, 0, 0, $bg);
    
    // Add some design elements (gradient overlay)
    $black = imagecolorallocatealpha($img, 0, 0, 0, 80);
    for ($y = 0; $y < $height; $y += 2) {
        // Create a gradient effect
        $opacity = 127 - (($y / $height) * 90);
        $line_color = imagecolorallocatealpha($img, 0, 0, 0, $opacity);
        imageline($img, 0, $y, $width, $y, $line_color);
    }
    
    // Add text
    $white = imagecolorallocate($img, 255, 255, 255);
    $font_path = realpath(__DIR__ . '/fonts/arial.ttf');
    
    // If font doesn't exist, use default
    if (!file_exists($font_path)) {
        $font_path = 5; // Use built-in font
        
        // Draw text with built-in font
        $text = $image['text'];
        $text_width = imagefontwidth(5) * strlen($text);
        $text_height = imagefontheight(5);
        $x = ($width - $text_width) / 2;
        $y = ($height - $text_height) / 2;
        
        imagestring($img, 5, $x, $y, $text, $white);
    } else {
        // Calculate position for centered text (TTF font)
        $font_size = 40;
        $text = $image['text'];
        $box = imagettfbbox($font_size, 0, $font_path, $text);
        $text_width = $box[2] - $box[0];
        $text_height = $box[1] - $box[7];
        $x = ($width - $text_width) / 2;
        $y = ($height + $text_height) / 2;
        
        imagettftext($img, $font_size, 0, $x, $y, $white, $font_path, $text);
    }
    
    // Save the image
    imagejpeg($img, $image_path, 90);
    imagedestroy($img);
    
    echo "<div style='margin-bottom: 20px;'>";
    echo "<p>Created image: {$image['name']}</p>";
    echo "<img src='../assets/img/slider/{$image['name']}' style='max-width: 400px; border: 1px solid #ccc;'>";
    echo "</div>";
}

echo "<p>All slider images have been created successfully!</p>";
echo "<p><a href='sliders.php'>Go to Slider Management</a></p>";
?>