/**
* Plugin Name: Avatars
* Plugin URI:  https://voxel.guide
* Description: Customize user avatars using DiceBear Avatars with selectable styles.
* Version:     1.0
* Author:      Voxel Guide
* Author URI:  http://voxel.guide
*/
 
add_action('admin_menu', 'avatars_add_admin_menu');
add_action('admin_init', 'avatars_settings_init');
 
function avatars_add_admin_menu() {
    add_options_page('Avatars', 'Avatars', 'manage_options', 'avatars', 'avatars_options_page');
}
 
function avatars_settings_init() {
    register_setting('pluginPage', 'avatars_settings');
 
    add_settings_section(
        'avatars_pluginPage_section',
        __('Choose your default avatar style for new users.', 'avatars'),
        'avatars_settings_section_callback',
        'pluginPage'
    );
 
    add_settings_field(
        'avatars_select_field_0',
        __('Avatar Style', 'avatars'),
        'avatars_select_field_0_render',
        'pluginPage',
        'avatars_pluginPage_section'
    );
}
 
function avatars_select_field_0_render() {
    $options = get_option('avatars_settings');
    ?>
    <select name='avatars_settings[avatars_select_field_0]'>
    <option value='adventurer' <?php selected($options['avatars_select_field_0'], 'adventurer'); ?>>Adventurer</option>
    <option value='adventurer-neutral' <?php selected($options['avatars_select_field_0'], 'adventurer-neutral'); ?>>Adventurer Neutral</option>
    <option value='avataaars' <?php selected($options['avatars_select_field_0'], 'avataaars'); ?>>Avataaars</option>
    <option value='avataaars-neutral' <?php selected($options['avatars_select_field_0'], 'avataaars-neutral'); ?>>Avataaars Neutral</option>
    <option value='big-ears' <?php selected($options['avatars_select_field_0'], 'big-ears'); ?>>Big Ears</option>
    <option value='big-ears-neutral' <?php selected($options['avatars_select_field_0'], 'big-ears-neutral'); ?>>Big Ears Neutral</option>
    <option value='big-smile' <?php selected($options['avatars_select_field_0'], 'big-smile'); ?>>Big Smile</option>
    <option value='bottts' <?php selected($options['avatars_select_field_0'], 'bottts'); ?>>Bottts</option>
    <option value='bottts-neutral' <?php selected($options['avatars_select_field_0'], 'bottts-neutral'); ?>>Bottts Neutral</option>
    <option value='croodles' <?php selected($options['avatars_select_field_0'], 'croodles'); ?>>Croodles</option>
    <option value='croodles-neutral' <?php selected($options['avatars_select_field_0'], 'croodles-neutral'); ?>>Croodles Neutral</option>
    <option value='fun-emoji' <?php selected($options['avatars_select_field_0'], 'fun-emoji'); ?>>Fun Emoji</option>
    <option value='icons' <?php selected($options['avatars_select_field_0'], 'icons'); ?>>Icons</option>
    <option value='identicon' <?php selected($options['avatars_select_field_0'], 'identicon'); ?>>Identicon</option>
    <option value='initials' <?php selected($options['avatars_select_field_0'], 'initials'); ?>>Initials</option>
    <option value='lorelei' <?php selected($options['avatars_select_field_0'], 'lorelei'); ?>>Lorelei</option>
    <option value='lorelei-neutral' <?php selected($options['avatars_select_field_0'], 'lorelei-neutral'); ?>>Lorelei Neutral</option>
    <option value='micah' <?php selected($options['avatars_select_field_0'], 'micah'); ?>>Micah</option>
    <option value='miniavs' <?php selected($options['avatars_select_field_0'], 'miniavs'); ?>>Miniavs</option>
    <option value='notionists' <?php selected($options['avatars_select_field_0'], 'notionists'); ?>>Notionists</option>
    <option value='notionists-neutral' <?php selected($options['avatars_select_field_0'], 'notionists-neutral'); ?>>Notionists Neutral</option>
    <option value='open-peeps' <?php selected($options['avatars_select_field_0'], 'open-peeps'); ?>>Open Peeps</option>
    <option value='personas' <?php selected($options['avatars_select_field_0'], 'personas'); ?>>Personas</option>
    <option value='pixel-art' <?php selected($options['avatars_select_field_0'], 'pixel-art'); ?>>Pixel Art</option>
    <option value='pixel-art-neutral' <?php selected($options['avatars_select_field_0'], 'pixel-art-neutral'); ?>>Pixel Art Neutral</option>
    <option value='rings' <?php selected($options['avatars_select_field_0'], 'rings'); ?>>Rings</option>
    <option value='shapes' <?php selected($options['avatars_select_field_0'], 'shapes'); ?>>Shapes</option>
    <option value='thumbs' <?php selected($options['avatars_select_field_0'], 'thumbs'); ?>>Thumbs</option>
</select>
    <?php
}
 
function avatars_settings_section_callback() { }
 
function avatars_options_page() {
    ?>
    <form action='options.php' method='post'>
        <h2>Avatars</h2>
        <?php
        settings_fields('pluginPage');
        do_settings_sections('pluginPage');
        submit_button();
        ?>
    </form>
    <?php
}
 
function avatars_custom_dicebear_avatar($avatar, $id_or_email, $size, $default, $alt) {
    $options = get_option('avatars_settings');
    $avatar_style = isset($options['avatars_select_field_0']) ? $options['avatars_select_field_0'] : 'identicon';
    
    if (is_numeric($id_or_email)) {
        $user = get_user_by('id', $id_or_email);
        $email = $user->user_email;
    } elseif (is_object($id_or_email)) {
        if (!empty($id_or_email->user_id)) {
            $user = get_user_by('id', $id_or_email->user_id);
            $email = $user->user_email;
        } else {
            $email = $id_or_email->comment_author_email;
        }
    } else {
        $email = $id_or_email;
    }
 
    $seed = md5(strtolower(trim($email)));
    $dicebear_url = "https://api.dicebear.com/7.x/{$avatar_style}/svg?seed=${seed}";
 
    $avatar = "<img src='{$dicebear_url}' class='avatar avatar-${size} photo' height='{$size}' width='{$size}' alt='{$alt}' />";
    
    return $avatar;
}
 
add_filter('get_avatar', 'avatars_custom_dicebear_avatar', 10, 5);