<?php

if ( ! function_exists( 'boldlab_get_search_page_excerpt_length' ) ) {
	/**
	 * Function that return number of characters for excerpt on search page
	 *
	 * @return int
	 */
	function boldlab_get_search_page_excerpt_length() {
		$length = apply_filters( 'boldlab_filter_search_page_excerpt_length', 180 );
		
		return intval( $length );
	}
}

if ( ! function_exists( 'boldlab_override_search_block_templates' ) ) {
    /**
     * Function that override `core/search` block template
     *
     * @see register_block_core_search()
     */
    function boldlab_override_search_block_templates( $atts ) {
        if ( ! empty( $atts ) && isset( $atts['render_callback'] ) && 'render_block_core_search' === $atts['render_callback'] && function_exists( 'styles_for_block_core_search' ) ) {
            $atts['render_callback'] = 'boldlab_render_block_core_search';
        }

        return $atts;
    }

    add_filter( 'block_type_metadata_settings', 'boldlab_override_search_block_templates' );
}

if ( ! function_exists( 'boldlab_render_block_core_search' ) ) {
    /**
     * Function that dynamically renders the `core/search` block
     *
     * @param array $attributes - the block attributes
     *
     * @return string - the search block markup
     *
     * @see render_block_core_search()
     */
    function boldlab_render_block_core_search( $attributes ) {
        static $instance_id = 0;

        $attributes = wp_parse_args(
            $attributes,
            array(
                'label'      => esc_html__( 'Search', 'boldlab' ),
                'buttonText' => esc_html__( 'Search', 'boldlab' ),
            )
        );

        $input_id            = 'qodef-search-form-' . ++ $instance_id;
        $classnames          = classnames_for_block_core_search( $attributes );
        $show_label          = ! empty( $attributes['showLabel'] );
        $use_icon_button     = ! empty( $attributes['buttonUseIcon'] );
        $show_input          = ! ( ( ! empty( $attributes['buttonPosition'] ) && 'button-only' === $attributes['buttonPosition'] ) );
        $show_button         = ! ( ( ! empty( $attributes['buttonPosition'] ) && 'no-button' === $attributes['buttonPosition'] ) );
        $query_params        = ( ! empty( $attributes['query'] ) ) ? $attributes['query'] : array();
        $input_markup        = '';
        $button_markup       = '';
        $query_params_markup = '';
        $inline_styles       = styles_for_block_core_search( $attributes );
        // function get_color_classes_for_block_core_search doesn't exist in wp 5.8 and below
        $color_classes    = function_exists( 'get_color_classes_for_block_core_search' ) ? get_color_classes_for_block_core_search( $attributes ) : '';
        $is_button_inside = ! empty( $attributes['buttonPosition'] ) && 'button-inside' === $attributes['buttonPosition'];
        // border color classes need to be applied to the elements that have a border color
        // function get_border_color_classes_for_block_core_search doesn't exist in wp 5.8 and below
        $border_color_classes = function_exists( 'get_border_color_classes_for_block_core_search' ) ? get_border_color_classes_for_block_core_search( $attributes ) : '';

        $label_markup = sprintf(
            '<label for="%1$s" class="qodef-search-form-label screen-reader-text">%2$s</label>',
            $input_id,
            empty( $attributes['label'] ) ? esc_html__( 'Search', 'boldlab' ) : esc_html( $attributes['label'] )
        );
        if ( $show_label && ! empty( $attributes['label'] ) ) {
            $label_markup = sprintf(
                '<label for="%1$s" class="qodef-search-form-label">%2$s</label>',
                $input_id,
                esc_html( $attributes['label'] )
            );
        }

        if ( $show_input ) {
            $input_classes = ! $is_button_inside ? $border_color_classes : '';
            $input_markup  = sprintf(
                '<input type="search" id="%s" class="qodef-search-form-field %s" name="s" value="%s" placeholder="%s" %s required />',
                $input_id,
                esc_attr( $input_classes ),
                esc_attr( get_search_query() ),
                esc_attr( $attributes['placeholder'] ),
                // key input doesn't exist in wp 5.8 and below
                array_key_exists( 'input', $inline_styles ) ? $inline_styles['input'] : ''
            );
        }

        if ( count( $query_params ) > 0 ) {
            foreach ( $query_params as $param => $value ) {
                $query_params_markup .= sprintf(
                    '<input type="hidden" name="%s" value="%s" />',
                    esc_attr( $param ),
                    esc_attr( $value )
                );
            }
        }

        if ( $show_button ) {
            $button_internal_markup = '';
            $button_classes         = $color_classes;
            $button_classes         .= ! empty( $attributes['buttonPosition'] ) ? ' qodef--' . $attributes['buttonPosition'] : '';

            if ( ! $is_button_inside ) {
                $button_classes .= ' ' . $border_color_classes;
            }
            if ( ! $use_icon_button ) {
                if ( ! empty( $attributes['buttonText'] ) ) {
                    $button_internal_markup = esc_html( $attributes['buttonText'] );
                }
            } else {
                $button_classes         .= ' qodef--has-icon';
                $button_internal_markup = function_exists( 'qode_framework_icons' ) ? qode_framework_icons()->render_icon( 'fas fa-search', 'font-awesome' ) : '';
            }

            $button_markup = sprintf(
                '<button type="submit" class="qodef-search-form-button %s" %s>%s</button>',
                esc_attr( $button_classes ),
                // key button doesn't exist in wp 5.8 and below
                array_key_exists( 'button', $inline_styles ) ? $inline_styles['button'] : '',
                $button_internal_markup
            );
        }

        $field_markup_classes = $is_button_inside ? $border_color_classes : '';
        $field_markup         = sprintf(
            '<div class="qodef-search-form-inner %s"%s>%s</div>',
            $field_markup_classes,
            $inline_styles['wrapper'],
            $input_markup . $query_params_markup . $button_markup
        );
        $classnames           .= ' qodef-search-form';
        $wrapper_attributes   = get_block_wrapper_attributes( array( 'class' => $classnames ) );

        return sprintf(
            '<form role="search" method="get" %s action="%s">%s</form>',
            $wrapper_attributes,
            esc_url( home_url( '/' ) ),
            $label_markup . $field_markup
        );
    }
}