<?php

namespace Getwid\Blocks;

class AcfBackgroundImage extends \Getwid\Blocks\AbstractBlock {

	protected static $blockName = 'getwid/template-acf-background-image';
	protected static $assetsHandle = 'getwid/template-parts/acf';

	public function __construct() {

		parent::__construct( self::$blockName );

		register_block_type(
			self::$blockName,
			array(
				'attributes' => array(
					'customField' => array(
						'type' => 'string'
					),
					'imageSize' => array(
						'type' => 'string',
						'default' => 'large'
					),

					//Content
					'minHeight' => array(
						'type' => 'string'
					),
					'contentMaxWidth' => array(
						'type' => 'number'
					),

					// Padding
					'paddingTopValue' => array(
						'type' => 'string'
					),
					'paddingBottomValue' => array(
						'type' => 'string'
					),
					'paddingLeftValue' => array(
						'type' => 'string'
					),
					'paddingRightValue' => array(
						'type' => 'string'
					),
					'paddingTop' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingBottom' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingLeft' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingRight' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingTopTablet' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingBottomTablet' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingLeftTablet' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingRightTablet' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingTopMobile' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingBottomMobile' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingLeftMobile' => array(
						'type' => 'string',
						'default' => ''
					),
					'paddingRightMobile' => array(
						'type' => 'string',
						'default' => ''
					),

					//Alignment
					'verticalAlign' => array(
						'type' => 'string',
						'default' => 'center'
					),
					'verticalAlignTablet' => array(
						'type' => 'string',
						'default' => ''
					),
					'verticalAlignMobile' => array(
						'type' => 'string',
						'default' => ''
					),
					'horizontalAlign' => array(
						'type' => 'string',
						'default' => 'center'
					),
					'horizontalAlignTablet' => array(
						'type' => 'string',
						'default' => ''
					),
					'horizontalAlignMobile' => array(
						'type' => 'string',
						'default' => ''
					),

					//foreground
					'foregroundOpacity' => array(
						'type' => 'number',
						'default' => 35
					),
					'foregroundColor' => array(
						'type' => 'string'
					),
					'foregroundFilter' => array(
						'type' => 'string'
					),
					'foregroundGradientType' => array(
						'type' => 'string'
					),
					'foregroundGradientFirstColor' => array(
						'type' => 'string'
					),
					'foregroundGradientFirstColorLocation' => array(
						'type' => 'number',
						'default' => 0
					),
					'foregroundGradientSecondColor' => array(
						'type' => 'string'
					),
					'foregroundGradientSecondColorLocation' => array(
						'type' => 'number',
						'default' => 100
					),
					'foregroundGradientAngle' => array(
						'type' => 'number',
						'default' => 180
					),
					'className' => array(
						'type' => 'string'
					),
				),
				'render_callback' => [$this, 'render_callback'],
			)
		);
	}

	private function block_frontend_assets() {

		if ( is_admin() ) {
			return;
		}

		if ( FALSE == getwid()->assetsOptimization()->load_assets_on_demand() ) {
			return;
		}

		add_filter( 'getwid/optimize/assets',
			function ( $assets ) {
				$assets[] = self::$assetsHandle;
				$assets[] = getwid()->settings()->getPrefix() . '-blocks-common';

				return $assets;
			}
		);

		add_filter( 'getwid/optimize/should_load_common_css', '__return_true' );

		$rtl = is_rtl() ? '.rtl' : '';

		wp_enqueue_style(
			self::$assetsHandle,
			getwid_get_plugin_url( 'assets/blocks/template-parts/acf/style' . $rtl . '.css' ),
			[],
			getwid()->settings()->getVersion()
		);
	}

	public function render_callback( $attributes, $content ) {

		//Not BackEnd render if we view from template page
		if ( (get_post_type() == getwid()->postTemplatePart()->postType) || (get_post_type() == 'revision') ) {
			return $content;
		}

		$block_name = 'wp-block-getwid-template-acf-background-image';
		$wrapper_class = $block_name;

		if ( isset( $attributes['className'] ) ) {
			$wrapper_class .= ' ' . esc_attr( $attributes['className'] );
		}

		if ( isset( $attributes['customField'] ) ) {
			$wrapper_class .= ' ' . 'custom-field-' . esc_attr( $attributes['customField'] );
		}

		$wrapper_style = '';
		//Classes
		if ( isset( $attributes['minHeight'] ) ) {
			$wrapper_style .= 'min-height: ' . esc_attr( $attributes['minHeight'] ) . ';';
		}

		$imageSize = ((isset( $attributes['imageSize'] ) && $attributes['imageSize']) ? $attributes['imageSize'] : 'post-thumbnail');

		$current_post = get_post( get_the_ID() );

		//Content Slide style
		$content_container_style = '';

		if ( isset( $attributes['contentMaxWidth'] ) ) {
			$content_container_style .= 'max-width: ' . esc_attr( $attributes['contentMaxWidth'] ) . 'px;';
		}

		//Padding
		$content_container_class = $block_name . '__content';

		getwid_custom_paddings_style_and_class( $wrapper_style, $wrapper_class, $attributes );

		getwid_custom_alignment_classes( $wrapper_class, $attributes );


		//Foreground style
		$foreground_style = '';
		$foreground_class = $block_name . '__foreground';

		if ( isset( $attributes['foregroundGradientType'] ) ) {
			getwid_custom_gradient_styles( 'foreground', $foreground_style, $attributes );
		}

		if ( isset( $attributes['foregroundOpacity'] ) && $attributes['foregroundOpacity'] != 35 ) {
			$foreground_class .= ' getwid-opacity-' . esc_attr( $attributes['foregroundOpacity'] );
		}

		if ( isset( $attributes['foregroundColor'] ) ) {
			$foreground_style .= 'background-color: ' . esc_attr( $attributes['foregroundColor'] ) . ';';
		}

		if ( isset( $attributes['foregroundFilter'] ) ) {
			$foreground_style .= 'mix-blend-mode: ' . esc_attr( $attributes['foregroundFilter'] ) . ';';
		}

		$result = '';

		$extra_attr = array(
			'block_name' => $block_name,
			'wrapper_class' => $wrapper_class,
			'wrapper_style' => $wrapper_style,
			'current_post' => $current_post,
			'imageSize' => $imageSize,

			'content_container_style' => $content_container_style,
			'content_container_class' => $content_container_class,

			'foreground_style' => $foreground_style,
			'foreground_class' => $foreground_class,
			'content' => $content
		);

		if ( getwid_acf_is_active() && isset( $attributes['customField'] ) && (has_post_thumbnail()) || strlen( $content ) ) {
			ob_start();

			getwid_get_template_part( 'template-parts/acf/background-image', $attributes, false, $extra_attr );

			$result = ob_get_clean();
		}

		$this->block_frontend_assets();

		return $result;
	}
}

new \Getwid\Blocks\AcfBackgroundImage();
