<?php
// CREATE PAGES BY CODE
global $wpdb;
$dummy_text = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum';

$pages = array(
    'home'=>array('title'=>'Home','content'=> $dummy_text,'option_page'=>'home'),
    'about-us'=>array('title'=>'About Us','content'=> $dummy_text,'option_page'=>'about_us'),
    'contact-us'=>array('title'=>'Contact Us','content'=>$dummy_text,'option_page'=>'contact_us'),
);
foreach($pages as $key => $page_value)
{
    if(null === $wpdb->get_row( "SELECT post_name FROM {$wpdb->prefix}posts WHERE post_name = '".$key."'"))
    {
        $current_user = wp_get_current_user();
        // CREATE POST OBJECT
        $page = array(
            'post_title'  => $page_value['title'],
            'post_status' => 'publish',
            'post_content'=> $page_value['content'],
            'post_author' => $current_user->ID,
            'post_type'   => 'page',
        );
        // CHECK IF PAGE NOT EXISTS
        if(!get_page_by_path( $page_value['title'], OBJECT, 'page'))
        {
            // INSERT THE POST INTO THE DATABASE
            $postID = wp_insert_post( $page );
            update_option($page_value['option_page'],$postID);
        }
    }
}
//END - CREATE PAGES BY CODE

//CREATE CATEGORY BY CODE
if(file_exists (ABSPATH.'/wp-admin/includes/taxonomy.php'))
{
    require_once (ABSPATH.'/wp-admin/includes/taxonomy.php'); 
    if(! get_cat_ID( 'Blog'))
    {
        wp_create_category( 'Blog' );
    }
    $blog_category_id = get_cat_ID( 'Blog' );
}
//END - CREATE CATEGORY BY CODE

// CREATE, POST BY CODE
$default_posts = array(
    'lorem_ipsum_1' => array('title' => 'Lorem Ipsum 1', 'content' => $dummy_text),
    'lorem_ipsum_2' => array('title' => 'Lorem Ipsum 2', 'content' => $dummy_text),
    'lorem_ipsum_3' => array('title' => 'Lorem Ipsum 3', 'content' => $dummy_text),
    'lorem_ipsum_4' => array('title' => 'Lorem Ipsum 4', 'content' => $dummy_text),
    'lorem_ipsum_5' => array('title' => 'Lorem Ipsum 5', 'content' => $dummy_text),
    'lorem_ipsum_6' => array('title' => 'Lorem Ipsum 6', 'content' => $dummy_text),
);

// CHECK IF THE PLACEHOLDER IMAGE HAS BEEN UPLOADED
$attachment_id = get_transient('uploaded_image_placeholder');
if (!$attachment_id)
{
    $placeholder_image = get_template_directory() . '/assets/images/placeholder-image.webp';
    $image_data = file_get_contents($placeholder_image);
    $upload_dir = wp_upload_dir();
    
    $filename = basename($placeholder_image);
    
    // SAFELY UPLOAD THE FILE
    $upload_file = wp_upload_bits($filename, null, $image_data);
    
    if (!$upload_file['error'])
    {
        $attachment = array(
            'guid' => $upload_file['url'],
            'post_mime_type' => 'image/webp',
            'post_title' => 'Placeholder Image',
            'post_content' => '',
            'post_status' => 'inherit'
        );

        $attachment_id = wp_insert_attachment($attachment, $upload_file['file']);

        // METADATA FOR THE ATTACHMENT
        require_once(ABSPATH . 'wp-admin/includes/image.php');
        $attachment_data = wp_generate_attachment_metadata($attachment_id, $upload_file['file']);
        wp_update_attachment_metadata($attachment_id, $attachment_data);

        // STORE THE IMAGE ID
        set_transient( 'uploaded_image_placeholder', $attachment_id, 0 );
    }
}

foreach ($default_posts as $key => $post_value)
{
    if (null === $wpdb->get_row("SELECT post_name FROM {$wpdb->prefix}posts WHERE post_name = '" . $key . "'"))
    {
        $current_user = wp_get_current_user();
        $dummy_post_add = array(
            'post_title'    => $post_value['title'],
            'post_status'   => 'publish',
            'post_content'  => $post_value['content'],
            'post_category' => array($blog_category_id),
            'post_author'   => $current_user->ID,
            'post_type'     => 'post'
        );

        if (!get_page_by_path($post_value['title'], OBJECT, 'post'))
        {
            $post_id = wp_insert_post($dummy_post_add);

            if ($post_id && !has_post_thumbnail($post_id))
            {
                set_post_thumbnail($post_id, $attachment_id);
            }
        }
    }
}
// END, CREATE POST CODE

// CREATE HEADER AND FOOTER MENUS
$locations = get_theme_mod('nav_menu_locations'); // DEFINE MENU LOCATION

// GET THE PAGE IDS
$home_page = get_page_by_title('Home');
$home_id = $home_page ? $home_page->ID : 0;
$about_us_id = get_option('about_us');
$contact_us_id = get_option('contact_us');

// FUNCTION TO GET OR CREATE A MENU
function get_or_create_menu($menu_name)
{
    $menu_exists = wp_get_nav_menu_object($menu_name);
    if ($menu_exists)
    {
        return $menu_exists->term_id;
    }
    return wp_create_nav_menu($menu_name);
}

// GET OR CREATE HEADER AND FOOTER MENUS
$header_menu_id = get_or_create_menu('Header Menu');
$footer_menu_id = get_or_create_menu('Footer Menu');

// FUNCTION TO ADD A MENU ITEM IF IT DOES NOT ALREADY EXISTS
function add_menu_item_if_not_exists($menu_id, $menu_item_title, $menu_item_object_id)
{
    if (!$menu_item_object_id) return;

    $menu_items = wp_get_nav_menu_items($menu_id);
    $exists = false;

    if ($menu_items)
    {
        foreach ($menu_items as $menu_item)
        {
            if ($menu_item->object_id == $menu_item_object_id)
            {
                $exists = true;
                break;
            }
        }
    }

    if (!$exists)
    {
        wp_update_nav_menu_item($menu_id, 0, array(
            'menu-item-title'   => $menu_item_title,
            'menu-item-object-id' => $menu_item_object_id,
            'menu-item-object'  => 'page',
            'menu-item-type'    => 'post_type',
            'menu-item-status'  => 'publish'
        ));
    }
}

// ADD MENU ITEMS IF THEY DON'T ALREADY EXISTS
add_menu_item_if_not_exists($header_menu_id, 'Home', $home_id);
add_menu_item_if_not_exists($header_menu_id, 'About Us', $about_us_id);
add_menu_item_if_not_exists($header_menu_id, 'Contact Us', $contact_us_id);

add_menu_item_if_not_exists($footer_menu_id, 'Home', $home_id);
add_menu_item_if_not_exists($footer_menu_id, 'About Us', $about_us_id);
add_menu_item_if_not_exists($footer_menu_id, 'Contact Us', $contact_us_id);

// ASSIGN MENU TO THEME LOCATIONS
$locations['primary'] = $header_menu_id;
$locations['footer'] = $footer_menu_id;
set_theme_mod('nav_menu_locations', $locations);
// END, CREATE HEADER AND FOOTER MENUS

// ADD DEFAULT PLACEHOLDER IMAGE AND TEXT FOR THEME SETTINGS
$favicon = get_template_directory_uri() . '/assets/images/fevicon.ico';
$dummy_logo = get_template_directory_uri() . '/assets/images/dummy-logo.svg';
$banner_image = get_template_directory_uri() . '/assets/images/placeholder-image.webp';
if (class_exists('acf'))
{
    $uploaded_image_placeholder = get_transient('uploaded_image_placeholder'); // ID
    $uploaded_image_id_logo = get_transient('uploaded_image_id_logo'); // ID

    $acf_fields = [
        'site_header_logo'              => [
            'ID'                        => $uploaded_image_id_logo,
            'url'                       => wp_get_attachment_url($uploaded_image_id_logo),
            'alt'                       => get_post_meta($uploaded_image_id_logo, '_wp_attachment_image_alt', true),
            'title'                     => get_the_title($uploaded_image_id_logo),
        ],
        'site_footer_logo'              => [
            'ID'                        => $uploaded_image_id_logo,
            'url'                       => wp_get_attachment_url($uploaded_image_id_logo),
            'alt'                       => get_post_meta($uploaded_image_id_logo, '_wp_attachment_image_alt', true),
            'title'                     => get_the_title($uploaded_image_id_logo),
        ],
        'banner_image'                  => [
            'ID'                        => $uploaded_image_placeholder,
            'url'                       => wp_get_attachment_url($uploaded_image_placeholder),
            'alt'                       => get_post_meta($uploaded_image_placeholder, '_wp_attachment_image_alt', true),
            'title'                     => get_the_title($uploaded_image_placeholder),
        ],
        'primary_color'                 => '#FFFFFF',
        'secondary_color'               => '#000000',
        'body_text_color'               => '#000000',
        'button_background_color'       => '#000000',
        'button_hover_background_color' => '#FFFFFF',
        'copyright_text'                => '© Lorem Ipsum',
        'main_title'                    => 'Sorry, Not Found',
        'notfound_text'                 => '404',
        'button_text'                   => [
            'title'                     => 'Home',
            'url'                       => home_url('/'),
            'target'                    => '_self'
        ],
    ];

    foreach ($acf_fields as $field => $default_value)
    {
        if (!get_field($field, 'option'))
        {
            update_field($field, $default_value, 'option');
        }
        else
        {

            update_field($field, $default_value, 'option');
        }
    }
}
else
{
    $meta_fields = [
        'site_favicon'     => $favicon,
        'site_header_logo' => $dummy_logo,
        'site_footer_logo' => $dummy_logo,
        'copyright_text'   => '© Lorem Ipsum',
        'banner_image'     => $banner_image,
        'main_title'       => 'Sorry, Not Found',
        'notfound_text'    => '404',
        'button_url'       => home_url(),
        'button_text'      => 'Home',
    ];

    foreach ($meta_fields as $field => $default_value)
    {
        if (!get_option($field))
        {
            update_option($field, $default_value);
        }
    }
}
// END, ADD DEFAULT PLACEHOLDER IMAGE AND TEXT FOR THEME SETTINGS

// ADD DEFAULT SOCIAL MEDIA ROWS
$facebook = get_template_directory_uri() . '/assets/images/facebook.svg';
$instagram = get_template_directory_uri() . '/assets/images/instagram.svg';
$twitter = get_template_directory_uri() . '/assets/images/twitter.svg';
$default_social_media = array(
    array('link' => 'https://www.facebook.com/', 'logo' => $facebook),
    array('link' => 'https://www.instagram.com/', 'logo' => $instagram),
    array('link' => 'https://x.com/', 'logo' => $twitter),
);
if (!get_option('social_media'))
{
    update_option('social_media', $default_social_media);
}
// END, ADD DEFAULT SOCIAL MEDIA ROWS

// SET DEFAULT COLOR OPTIONS
$default_colors = array(
    'primary_color' => '#ffffff',
    'secondary_color' => '#000000',
    'body_text_color' => '#000000',
    'button_background_color' => '#000000',
    'button_hover_background_color' => '#ffffff',
);
foreach ($default_colors as $option_name => $default_value)
{
    if (!get_option($option_name))
    {
        update_option($option_name, $default_value);
    }
}
// END, SET DEFAULT COLOR OPTIONS

// START - UPLOAD LOGO IMAGE ON THEME ACTIVATION
$logo_attachment_id = get_transient('uploaded_image_id_logo');
if (!$logo_attachment_id)
{
    $image_data = file_get_contents($dummy_logo);
    $upload_dir = wp_upload_dir();
    $filename = basename($dummy_logo);

    // SAFELY UPLOAD THE FILE
    $upload_file = wp_upload_bits($filename, null, $image_data);
    if (!$upload_file['error'])
    {
        $attachment = array(
            'guid' => $upload_file['url'],
            'post_mime_type' => 'image/svg+xml',
            'post_title' => 'Dummy Logo',
            'post_content' => '',
            'post_status' => 'inherit',
        );

        $logo_attachment_id = wp_insert_attachment($attachment, $upload_file['file']);
        if ($logo_attachment_id)
        {
            require_once(ABSPATH . 'wp-admin/includes/image.php');
            $attachment_data = wp_generate_attachment_metadata($logo_attachment_id, $upload_file['file']);
            wp_update_attachment_metadata($logo_attachment_id, $attachment_data);

            set_transient('uploaded_image_id_logo', $logo_attachment_id, 0 );
        }
    }
}
// END - UPLOAD LOGO IMAGE ON THEME ACTIVATION

// SET POST NAME AS A PERMALINK
global $wp_rewrite; 
$wp_rewrite->set_permalink_structure('/%postname%/');
update_option( "rewrite_rules", FALSE );
$wp_rewrite->flush_rules( true );
// END, SET POST NAME AS A PERMALINK// CREATE PAGES BY CODE