<?php
namespace ABlocks\Blocks\FeaturedImage;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

use ABlocks\Classes\BlockBaseAbstract;
use ABlocks\Classes\CssGeneratorV2;
use ABlocks\Helper;
use ABlocks\Controls\Alignment;
use ABlocks\Controls\Border;
use ABlocks\Controls\Dimensions;
use ABlocks\Controls\Typography;
use ABlocks\Controls\CssFilter;
use ABlocks\Controls\BoxShadow;
use ABlocks\Controls\Range;
use ABlocks\Controls\Color;

class Block extends BlockBaseAbstract {
	protected $block_name = 'featured-image';

	public function build_css( $attributes ) {
		$css_generator = new CssGeneratorV2( $attributes, $this->block_name );
		// Image Wrapper CSS
		$css_generator->add_class_styles(
			'{{WRAPPER}}',
			$this->get_wrapper_css( $attributes ),
			$this->get_wrapper_css( $attributes, 'Tablet' ),
			$this->get_wrapper_css( $attributes, 'Mobile' ),
		);

		// Image container css
		$css_generator->add_class_styles(
			'{{WRAPPER}}',
			$this->get_image_container_css( $attributes ),
			$this->get_image_container_css( $attributes, 'Tablet' ),
			$this->get_image_container_css( $attributes, 'Mobile' ),
		);
		// Image css
		$css_generator->add_class_styles(
			'{{WRAPPER}}.ablocks-block--featured-image img',
			$this->get_image_css( $attributes ),
			$this->get_image_css( $attributes, 'Tablet' ),
			$this->get_image_css( $attributes, 'Mobile' ),
		);

		// Image hover css
		$css_generator->add_class_styles(
			'{{WRAPPER}}.ablocks-block--featured-image img:hover',
			$this->get_image_hover_css( $attributes ),
			$this->get_image_hover_css( $attributes, 'Tablet' ),
			$this->get_image_hover_css( $attributes, 'Mobile' ),
		);

		return $css_generator->generate_css();
	}

	public function get_wrapper_css( $attributes, $device = '' ) {
		return array_merge(
			isset( $attributes['padding'] ) ? Dimensions::get_css( $attributes['padding'], 'padding', $device ) : [],
		);
	}

	public function get_image_css( $attributes, $device = '' ) {
		$css = [];

		if ( isset( $attributes['widthHeightWidget'][ 'width' . $device ] ) ) {
			$css['width'] = $attributes['widthHeightWidget'][ 'width' . $device ] . 'px';
		} elseif ( isset( $attributes['widthHeightWidget']['imgNaturalWidth'] ) ) {
			$css['width'] = $attributes['widthHeightWidget']['imgNaturalWidth'] . 'px';
		}

		$aspectRatioValue = empty( $attributes['aspectRatio'][ 'value' . $device ] ) ? false : $attributes['aspectRatio'][ 'value' . $device ];
		$widthValue = empty( $attributes['widthHeightWidget'][ 'width' . $device ] ) ? false : $attributes['widthHeightWidget'][ 'width' . $device ];
		$heightValue = empty( $attributes['widthHeightWidget'][ 'height' . $device ] ) ? false : $attributes['widthHeightWidget'][ 'height' . $device ];
		$showHeight = ! empty( $attributes['widthHeightWidget'][ 'showHeight' . $device ] );

		if ( $widthValue ) {
			$css['width'] = $widthValue . 'px';
		}
		if ( $heightValue ) {
			$css['height'] = $heightValue . 'px';
		} else {
			$css['height'] = 'auto';
		}

		if ( isset( $attributes['objectFit'][ 'value' . $device ] ) && '' !== $attributes['objectFit'][ 'value' . $device ] && 'default' !== $attributes['objectFit'][ 'value' . $device ] ) {
			$css['object-fit'] = $attributes['objectFit'][ 'value' . $device ];
		}

		if ( $aspectRatioValue && $aspectRatioValue !== 'original' ) {
			$css['aspect-ratio'] = $aspectRatioValue;
		}
		if ( isset( $attributes['onHoverImg'] ) && 'slide' === $attributes['onHoverImg'] ) {
			$css['transform'] = 'translate3d(-40px, 0, 0)';
			$css['transition'] = 'transform 0.3s';
		}

		return array_merge(
			$css,
			Range::get_css([
				'attributeValue' => $attributes['opacity'],
				'defaultValue' => 1,
				'unitDefaultValue' => '',
				'property' => 'opacity',
				'device' => $device,
			]),
			isset( $attributes['border'] ) ? Border::get_css( $attributes['border'], '', $device ) : [],
			isset( $attributes['cssFilter'] ) ? CssFilter::get_css( $attributes['cssFilter'], '', $device ) : [],
			isset( $attributes['boxShadow'] ) ? BoxShadow::get_css( $attributes['boxShadow'], $device ) : []
		);
	}

	public function get_image_hover_css( $attributes, $device = '' ) {
		$css = [];
		$range_css = Range::get_css([
			'attributeValue' => $attributes['opacityH'],
			'defaultValue' => 1,
			'unitDefaultValue' => '',
			'property' => 'opacity',
			'device' => $device,
		]);
		$transitionDurationRange = Range::get_css([
			'attributeValue' => $attributes['transitionDuration'],
			'defaultValue' => 0.5,
			'unitDefaultValue' => '',
			'property' => 'transition',
			'device' => $device,
		]);
		$filterTransitionDurationRange = Range::get_css([
			'attributeValue' => $attributes['filterTransitionDuration'],
			'defaultValue' => 0.5,
			'unitDefaultValue' => '',
			'property' => 'filter',
			'device' => $device,
		]);

		if ( isset( $attributes['onHoverImg'] ) ) {
			$on_Hover_Img = $attributes['onHoverImg'];
			if ( 'zoomin' === $on_Hover_Img ) {
				$css['transform'] = 'scale(1.1)';
				$css['transition'] = 'transform 0.3s';
			} elseif ( 'grayscale' === $on_Hover_Img ) {
				$css['filter'] = 'grayscale(100%)';
				$css['transition'] = 'transform 0.3s';
			} elseif ( 'blur' === $on_Hover_Img ) {
				$css['filter'] = 'blur(3px)';
				$css['transition'] = 'transform 0.3s';
			} elseif ( 'slide' === $on_Hover_Img ) {
				$css['transform'] = 'translate3d(0, 0, 0)';
				$css['transition'] = 'transform 0.3s';
			}
		}
		if (
			isset( $attributes['border']['transitionDuration'] ) ||
			isset( $attributes['boxShadow']['transitionDuration'] ) ||
			isset( $filterTransitionDurationRange['filter'] ) ||
			isset( $transitionDurationRange['transition'] )
		) {
			$css['transition'] = sprintf(
				'border %ss, box-shadow %ss, opacity %ss, filter %ss, transform 0.3s',
				! empty( $attributes['border']['transitionDuration'] ) ? $attributes['border']['transitionDuration'] : $transitionDurationRange['transition'],
				isset( $attributes['boxShadow']['transitionDuration'] ) ? $attributes['boxShadow']['transitionDuration'] : $transitionDurationRange['transition'],
				$filterTransitionDurationRange['filter'],
				$filterTransitionDurationRange['filter']
			);
		}

		$border_hover_css = Border::get_hover_css( isset( $attributes['border'] ) ? $attributes['border'] : null, $device );

		return array_merge(
			$css,
			$range_css,
			$border_hover_css,
			( isset( $attributes['boxShadow'] ) ) ? BoxShadow::get_hover_css( $attributes['boxShadow'], $device ) : [],
			( isset( $attributes['cssHoverFilter'] ) ) ? CssFilter::get_css( $attributes['cssHoverFilter'], '', $device ) : [],
		);
	}

	public function get_image_container_css( $attributes, $device = '' ) {
		$alignment_value = $attributes['alignment'][ 'value' . $device ] ?? '';

		$css = [];
		if ( ! empty( $alignment_value ) ) {
			$css['display'] = 'flex';
			$css['justify-content'] = $alignment_value;
		}
		return $css;
	}

	public function render_block_content( $attributes, $content, $block_instance ) {
		$post_id = get_the_ID();

		if ( isset( $block_instance->context['postId'] ) && ! empty( $block_instance->context['postId'] ) ) {
			$post_id = $block_instance->context['postId'];
		}

		$featured_img_url = get_the_post_thumbnail_url( $post_id, 'full' );
		if ( empty( $featured_img_url ) ) {
			$featured_img_url = ABLOCKS_ASSETS_URL . 'images/placeholder-thumbnail.svg';
		}

		$featured_img_title       = isset( $attributes['imgTitle'] ) ? (string) $attributes['imgTitle'] : '';
		$featured_img_alt         = isset( $attributes['imgAltText'] ) ? (string) $attributes['imgAltText'] : '';
		$featured_img_link        = isset( $attributes['imgLink']['linkDestination'] ) ? (string) $attributes['imgLink']['linkDestination'] : '';
		$featured_img_link_href   = isset( $attributes['imgLink']['href'] ) ? (string) $attributes['imgLink']['href'] : '';
		$featured_img_link_target = ! empty( $featured_img_link_href ) ? '_blank' : '_self'; // ← semicolon added

		// Linked image (custom URL)
		if ( 'custom' === $featured_img_link && ! empty( $featured_img_link_href ) ) {
			$rel = ( '_blank' === $featured_img_link_target ) ? ' rel="noopener noreferrer"' : '';
			return sprintf(
				'<a href="%s" target="%s"%s><img class="ablocks-featured-image" src="%s" alt="%s" title="%s" loading="lazy" decoding="async" /></a>',
				esc_url( $featured_img_link_href ),
				esc_attr( $featured_img_link_target ),
				$rel,
				esc_url( $featured_img_url ),
				esc_attr( $featured_img_alt ),
				esc_attr( $featured_img_title )
			);
		}

		// Plain image
		return sprintf(
			'<img class="ablocks-featured-image" src="%s" alt="%s" title="%s" loading="lazy" decoding="async" />',
			esc_url( $featured_img_url ),
			esc_attr( $featured_img_alt ),
			esc_attr( $featured_img_title )
		);
	}


}