<?php
$attributes = array();
$attributes[ 'tabindex' ] = 2;

$pick_limit = (int) pods_var( $form_field_type . '_limit', $options, 0 );

if ( 'multi' == pods_var( $form_field_type . '_format_type', $options ) && 1 != $pick_limit ) {
    $name .= '[]';
    $attributes[ 'multiple' ] = 'multiple';
}

if ( !is_array( $options[ 'data' ] ) && false !== $options[ 'data' ] && 0 < strlen( $options[ 'data' ] ) )
    $options[ 'data' ] = implode( ',', $options[ 'data' ] );
else
    $options[ 'data' ] = (array) pods_var_raw( 'data', $options, array(), null, true );

$attributes = PodsForm::merge_attributes( $attributes, $name, $form_field_type, $options );
$selection_made = false;
?>
<select<?php PodsForm::attributes( $attributes, $name, $form_field_type, $options ); ?>>
    <?php
    foreach ( $options[ 'data' ] as $option_value => $option_label ) {
        if ( is_array( $option_label ) && isset( $option_label[ 'label' ] ) )
            $option_label = $option_label[ 'label' ];

        if ( is_array( $option_label ) ) {
            ?>
            <optgroup label="<?php echo esc_attr( $option_value ); ?>">
                <?php
                foreach ( $option_label as $sub_option_value => $sub_option_label ) {
                    if ( is_array( $sub_option_label ) ) {
                        if ( isset( $sub_option_label[ 'label' ] ) )
                            $sub_option_label = $sub_option_label[ 'label' ];
                        else
                            $sub_option_label = $sub_option_value;
                    }

                    $sub_option_label = (string) $sub_option_label;

                    $selected = '';

                    if ( !$selection_made && ( ( !is_array( $value ) && (string) $sub_option_value === (string) $value ) || ( is_array( $value ) && in_array( $sub_option_value, $value ) ) ) ) {
                        $selected = ' SELECTED';
                        $selection_made = true;
                    }

                    if ( is_array( $sub_option_label ) ) {
                        ?>
                        <option<?php PodsForm::attributes( $sub_option_label, $name, $form_field_type . '_option', $options ); ?>><?php echo esc_html( $sub_option_label ); ?></option>
                        <?php
                    }
                    else {
                        ?>
                        <option value="<?php echo esc_attr( $sub_option_value ); ?>"<?php echo $selected; ?>><?php echo esc_html( $sub_option_label ); ?></option>
                        <?php
                    }
                }
                ?>
            </optgroup>
            <?php
        }
        else {
            $option_label = (string) $option_label;

            $selected = '';

            if ( !$selection_made && ( ( !is_array( $value ) && (string) $option_value === (string) $value ) || ( is_array( $value ) && in_array( $option_value, $value ) ) ) ) {
                $selected = ' SELECTED';
                $selection_made = true;
            }

            if ( is_array( $option_value ) ) {
                ?>
                <option<?php PodsForm::attributes( $option_value, $name, $form_field_type . '_option', $options ); ?>><?php echo esc_html( $option_label ); ?></option>
                <?php
            }
            else {
                ?>
                <option value="<?php echo esc_attr( $option_value ); ?>"<?php echo $selected; ?>><?php echo esc_html( $option_label ); ?></option>
                <?php
            }
        }
    }
    ?>
</select>