<?php
/**
 * Includes -> Features -> Position -> Render block
 *
 */
if ( ! defined( 'ABSPATH' ) ) exit;


function tbkkt_position_get_render_payload( string $block_name, array $attrs ): array {
	if ( ! tbkkt_supported_blocks_has_feature( $block_name, TBKKT_FEATURE_POSITION ) ) return array();

	$classes = array();
	$styles  = array();

	$allowed_position = array(
		'absolute',
		'fixed',
		'relative',
		'static',
		'sticky',
	);

	$allowed_overflow = array(
		'auto',
		'clip',
		'hidden',
		'scroll',
		'visible',
	);

	$overflow_mode = isset( $attrs['tbkktOverflowMode'] ) && (string) $attrs['tbkktOverflowMode'] === 'axes'
		? 'axes'
		: 'general';

	if ( $overflow_mode === 'axes' ) :
		$ox = tbkkt_block_markup_sanitize_class_slug( (string) ( $attrs['tbkktOverflowX'] ?? '' ) );
		$oy = tbkkt_block_markup_sanitize_class_slug( (string) ( $attrs['tbkktOverflowY'] ?? '' ) );
		if ( in_array( $ox, $allowed_overflow, true ) ) :
			$classes[] = 'tbkkt-overflow-x-' . $ox;
		endif;
		if ( in_array( $oy, $allowed_overflow, true ) ) :
			$classes[] = 'tbkkt-overflow-y-' . $oy;
		endif;
	else :
		$overflow = tbkkt_block_markup_sanitize_class_slug( (string) ( $attrs['tbkktOverflow'] ?? '' ) );
		if ( in_array( $overflow, $allowed_overflow, true ) ) :
			$classes[] = 'tbkkt-overflow-' . $overflow;
		endif;
	endif;

	$offset_limit  = 2000;
	$z_index_limit = 10000;

	$responsive_config = array(
		'desktop' => array(
			'position_key' => 'tbkktPosition',
			'z_key'        => 'tbkktZIndex',
			'offset_keys'  => array(
				'top'    => 'tbkktOffsetTop',
				'right'  => 'tbkktOffsetRight',
				'bottom' => 'tbkktOffsetBottom',
				'left'   => 'tbkktOffsetLeft',
			),
			'unit_keys' => array(
				'top'    => 'tbkktOffsetTopUnit',
				'right'  => 'tbkktOffsetRightUnit',
				'bottom' => 'tbkktOffsetBottomUnit',
				'left'   => 'tbkktOffsetLeftUnit',
			),
			'class_suffix' => '',
			'var_suffix'   => '',
		),
		'tablet' => array(
			'position_key' => 'tbkktPositionTablet',
			'z_key'        => 'tbkktZIndexTablet',
			'offset_keys'  => array(
				'top'    => 'tbkktOffsetTopTablet',
				'right'  => 'tbkktOffsetRightTablet',
				'bottom' => 'tbkktOffsetBottomTablet',
				'left'   => 'tbkktOffsetLeftTablet',
			),
			'unit_keys' => array(
				'top'    => 'tbkktOffsetTopUnitTablet',
				'right'  => 'tbkktOffsetRightUnitTablet',
				'bottom' => 'tbkktOffsetBottomUnitTablet',
				'left'   => 'tbkktOffsetLeftUnitTablet',
			),
			'class_suffix' => '-tablet',
			'var_suffix'   => '--tablet',
		),
		'mobile' => array(
			'position_key' => 'tbkktPositionMobile',
			'z_key'        => 'tbkktZIndexMobile',
			'offset_keys'  => array(
				'top'    => 'tbkktOffsetTopMobile',
				'right'  => 'tbkktOffsetRightMobile',
				'bottom' => 'tbkktOffsetBottomMobile',
				'left'   => 'tbkktOffsetLeftMobile',
			),
			'unit_keys' => array(
				'top'    => 'tbkktOffsetTopUnitMobile',
				'right'  => 'tbkktOffsetRightUnitMobile',
				'bottom' => 'tbkktOffsetBottomUnitMobile',
				'left'   => 'tbkktOffsetLeftUnitMobile',
			),
			'class_suffix' => '-mobile',
			'var_suffix'   => '--mobile',
		),
	);
	$has_any_z_index = false;
	$has_any_inset   = false;

	foreach ( $responsive_config as $device_config ) :
		$class_suffix = (string) $device_config['class_suffix'];
		$var_suffix   = (string) $device_config['var_suffix'];
		$position = tbkkt_block_markup_sanitize_class_slug( (string) ( $attrs[ $device_config['position_key'] ] ?? '' ) );
		if ( in_array( $position, $allowed_position, true ) ) :
			$classes[] = 'tbkkt-position-' . $position . $class_suffix;
		endif;

		$z_index = tbkkt_style_value_clamp_int( $attrs[ $device_config['z_key'] ] ?? null, -$z_index_limit, $z_index_limit );
		if ( $z_index !== null ) :
			$styles[] = '--tbkkt--position--z-index' . $var_suffix . ':' . $z_index . ';';
			$classes[] = 'tbkkt-has-z-index' . $class_suffix;
			$has_any_z_index = true;
		endif;

		$has_inset = false;
		foreach ( array( 'top', 'right', 'bottom', 'left' ) as $side ) :
			$offset = tbkkt_style_value_clamp_int(
				$attrs[ $device_config['offset_keys'][ $side ] ] ?? null,
				-$offset_limit,
				$offset_limit
			);
			if ( $offset === null ) :
				continue;
			endif;

			$unit = tbkkt_style_value_sanitize_unit( (string) ( $attrs[ $device_config['unit_keys'][ $side ] ] ?? 'px' ) );
			$token = tbkkt_style_value_format_length( (float) $offset, $unit );
			if ( $token === '' ) :
				continue;
			endif;

			$styles[] = '--tbkkt--position--' . $side . $var_suffix . ':' . $token . ';';
			$has_inset = true;
		endforeach;
		if ( $has_inset ) :
			$classes[] = 'tbkkt-has-inset' . $class_suffix;
			$has_any_inset = true;
		endif;
	endforeach;
	if ( $has_any_z_index && ! in_array( 'tbkkt-has-z-index', $classes, true ) ) :
		$classes[] = 'tbkkt-has-z-index';
	endif;
	if ( $has_any_inset && ! in_array( 'tbkkt-has-inset', $classes, true ) ) :
		$classes[] = 'tbkkt-has-inset';
	endif;

	$out_attrs = array();
	if ( ! empty( $styles ) ) :
		$out_attrs['style'] = implode( '', $styles );
	endif;

	return ( ! empty( $classes ) || ! empty( $out_attrs ) )
		? array(
			'classes' => $classes,
			'attrs'   => $out_attrs,
		)
		: array();
}