<?php

/**
 * Class td_single_featured_image
 */


class tdb_single_bg_featured_image extends td_block {
    public function get_custom_css() {
        // $unique_block_class - the unique class that is on the block. use this to target the specific instance via css
        $unique_block_class = $this->block_uid;

        $compiled_css = '';

        $raw_css =
            "<style>

                /* @hide_img */
                .$unique_block_class {
                    display: none;
                }

                /* @image */
                .$unique_block_class .tdb-featured-image-bg {
                    background: url('@image');
                    background-size: cover;
                    background-repeat: no-repeat;
                }
                /* @image_alignment */
                .$unique_block_class .tdb-featured-image-bg {
                    background-position: center @image_alignment;
                }
                
                /* @block_height */
                .$unique_block_class .tdb-featured-image-bg {
                    padding-bottom: @block_height;
                }
                
                /* @overlay_color */
                .$unique_block_class:after {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background-color: @overlay_color;
                }
                /* @overlay_gradient */
                .$unique_block_class:after {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    @overlay_gradient
                }
                
                /* @img_circle */
                .$unique_block_class .tdb-featured-image-bg {
                    border-radius: 100%;
                    padding-bottom: 0;
                    height: @img_circle;
                    width: @img_circle;
                }
                .$unique_block_class:after {
                    height: @img_circle;
                    width: @img_circle;
                }
                .$unique_block_class .tdb-featured-image-bg:after,
                .$unique_block_class .tdb-featured-image-bg:before,
                .$unique_block_class:after {
                    border-radius: 100%;
                }
                
                
                /* @img_static */
                html:not(.td-md-is-ios):not(.td-md-is-android)  .$unique_block_class .tdb-featured-image-bg {
                    background-attachment: scroll;
                }
                /* @img_fixed */
                html:not(.td-md-is-ios):not(.td-md-is-android) .$unique_block_class .tdb-featured-image-bg {
                    background-attachment: fixed;
                }
                
                /* @mix_type */
                .$unique_block_class .tdb-featured-image-bg:before {
                    content: '';
                    width: 100%;
                    height: 100%;
                    position: absolute;
                    opacity: 1;
                    transition: opacity 1s ease;
                    -webkit-transition: opacity 1s ease;
                    mix-blend-mode: @mix_type;
                    top: 0;
                    z-index: 1;
                }
                /* @color */
                .$unique_block_class .tdb-featured-image-bg:before {
                    background: @color;
                }
                /* @mix_gradient */
                .$unique_block_class .tdb-featured-image-bg:before {
                    @mix_gradient;
                }
                
                
                /* @mix_type_h */
                @media (min-width: 1141px) {
                    .$unique_block_class .tdb-featured-image-bg:after {
                        content: '';
                        width: 100%;
                        height: 100%;
                        position: absolute;
                        opacity: 0;
                        transition: opacity 1s ease;
                        -webkit-transition: opacity 1s ease;
                        mix-blend-mode: @mix_type_h;
                        top: 0;
                        z-index: 1;
                    }
                    .$unique_block_class:hover .tdb-featured-image-bg:after {
                        opacity: 1;
                    }
                }
                
                /* @color_h */
                .$unique_block_class .tdb-featured-image-bg:after {
                    background: @color_h;
                }
                /* @mix_gradient_h */
                .$unique_block_class .tdb-featured-image-bg:after {
                    @mix_gradient_h;
                }
                /* @mix_type_off */
                .$unique_block_class .tdb-featured-image-bg:hover:before {
                    opacity: 0;
                }
                    
                /* @effect_on */
                .$unique_block_class .tdb-featured-image-bg {
                    filter: @fe_brightness @fe_contrast @fe_saturate;
                    transition: all 1s ease;
                    -webkit-transition: all 1s ease;
                }
                /* @effect_on_h */
                @media (min-width: 1141px) {
                    .$unique_block_class.tdb-featured-image-bg:hover {
                        filter: @fe_brightness_h @fe_contrast_h @fe_saturate_h;
                    }
                }
                    
                </style>";


        $td_css_res_compiler = new td_css_res_compiler( $raw_css );
        $td_css_res_compiler->load_settings( __CLASS__ . '::cssMedia', $this->get_all_atts() );

        $compiled_css .= $td_css_res_compiler->compile_css();
        return $compiled_css;
    }

    static function cssMedia( $res_ctx ) {

        global $tdb_state_single;
        $tdb_image_size = $res_ctx->get_shortcode_att( 'image_size' );
        $post_featured_image = $tdb_state_single->post_bg_featured_image->__invoke($tdb_image_size);

        if( $post_featured_image['featured_image_src'] == '' && $res_ctx->get_shortcode_att('hide_img') == 'yes' ) {
            $res_ctx->load_settings_raw('hide_img', 1);
        }

        // overlay color
        $res_ctx->load_color_settings( 'overlay', 'overlay_color', 'overlay_gradient', '', '' );

        if( $post_featured_image['featured_image_src'] != '' ) {
            // image
            $res_ctx->load_settings_raw('image', $post_featured_image['featured_image_src']);

            // image alignment
            $res_ctx->load_settings_raw( 'image_alignment', $res_ctx->get_shortcode_att('image_alignment') . '%' );

            // mix blend
            $mix_type = $res_ctx->get_shortcode_att('mix_type');
            if ( $mix_type != '' ) {
                $res_ctx->load_settings_raw('mix_type', $res_ctx->get_shortcode_att('mix_type'));
            }
            $res_ctx->load_color_settings( 'mix_color', 'color', 'mix_gradient', '', '' );

            $mix_type_h = $res_ctx->get_shortcode_att('mix_type_h');
            if ( $mix_type_h != '' ) {
                $res_ctx->load_settings_raw('mix_type_h', $res_ctx->get_shortcode_att('mix_type_h'));
            } else {
                $res_ctx->load_settings_raw('mix_type_off', 1);
            }
            $res_ctx->load_color_settings( 'mix_color_h', 'color_h', 'mix_gradient_h', '', '' );

            // effects
            $res_ctx->load_settings_raw('fe_brightness', 'brightness(1)');
            $res_ctx->load_settings_raw('fe_contrast', 'contrast(1)');
            $res_ctx->load_settings_raw('fe_saturate', 'saturate(1)');

            $fe_brightness = $res_ctx->get_shortcode_att('fe_brightness');
            if ($fe_brightness != '1') {
                $res_ctx->load_settings_raw('fe_brightness', 'brightness(' . $fe_brightness . ')');
                $res_ctx->load_settings_raw('effect_on', 1);
            }
            $fe_contrast = $res_ctx->get_shortcode_att('fe_contrast');
            if ($fe_contrast != '1') {
                $res_ctx->load_settings_raw('fe_contrast', 'contrast(' . $fe_contrast . ')');
                $res_ctx->load_settings_raw('effect_on', 1);
            }
            $fe_saturate = $res_ctx->get_shortcode_att('fe_saturate');
            if ($fe_saturate != '1') {
                $res_ctx->load_settings_raw('fe_saturate', 'saturate(' . $fe_saturate . ')');
                $res_ctx->load_settings_raw('effect_on', 1);
            }

            // effects hover
            $res_ctx->load_settings_raw('fe_brightness_h', 'brightness(1)');
            $res_ctx->load_settings_raw('fe_contrast_h', 'contrast(1)');
            $res_ctx->load_settings_raw('fe_saturate_h', 'saturate(1)');

            $fe_brightness_h = $res_ctx->get_shortcode_att('fe_brightness_h');
            $fe_contrast_h = $res_ctx->get_shortcode_att('fe_contrast_h');
            $fe_saturate_h = $res_ctx->get_shortcode_att('fe_saturate_h');

            if ($fe_brightness_h != '1') {
                $res_ctx->load_settings_raw('fe_brightness_h', 'brightness(' . $fe_brightness_h . ')');
                $res_ctx->load_settings_raw('effect_on_h', 1);
            }
            if ($fe_contrast_h != '1') {
                $res_ctx->load_settings_raw('fe_contrast_h', 'contrast(' . $fe_contrast_h . ')');
                $res_ctx->load_settings_raw('effect_on_h', 1);
            }
            if ($fe_saturate_h != '1') {
                $res_ctx->load_settings_raw('fe_saturate_h', 'saturate(' . $fe_saturate_h . ')');
                $res_ctx->load_settings_raw('effect_on_h', 1);
            }
            // make hover to work
            if ($fe_brightness_h != '1' || $fe_contrast_h != '1' || $fe_saturate_h != '1') {
                $res_ctx->load_settings_raw('effect_on', 1);
            }
            if ($fe_brightness != '1' || $fe_contrast != '1' || $fe_saturate != '1') {
                $res_ctx->load_settings_raw('effect_on_h', 1);
            }
        }

        // block height
        $block_height = $res_ctx->get_shortcode_att( 'block_height' );
	    $img_height = $block_height;
        $res_ctx->load_settings_raw( 'block_height', $block_height );
        if( $block_height != '' ) {
            if ( is_numeric( $block_height ) ) {
                $res_ctx->load_settings_raw( 'block_height', $block_height . 'px' );
	            $img_height = $block_height . 'px';
            }
        } else {
            $res_ctx->load_settings_raw( 'block_height', '600px' );
	        $img_height = '600px';
        }

	    /*-- circle image -- */
	    $img_circle = $res_ctx->get_shortcode_att( 'img_circle' );
	    if ($img_circle == true) {
		    $res_ctx->load_settings_raw( 'img_circle', $img_height );
	    }

        //*-- fixed image -- */
        $img_fixed = $res_ctx->get_shortcode_att('img_fixed');
        if( $img_fixed != '' ) {
            $res_ctx->load_settings_raw('img_fixed', 1);
        } else {
            $res_ctx->load_settings_raw('img_static', 1);
        }

    }

    /**
     * Disable loop block features. This block does not use a loop and it doesn't need to run a query.
     */
    function __construct() {
        parent::disable_loop_block_features();
    }


    function render( $atts, $content = null ) {
        parent::render($atts); // sets the live atts, $this->atts, $this->block_uid, $this->td_query (it runs the query)

        $buffy = ''; //output buffer

        $buffy .= '<div class="' . $this->get_block_classes() . '" ' . $this->get_block_html_atts() . '>';

            //get the block css
            $buffy .= $this->get_block_css();

            //get the js for this block
            $buffy .= $this->get_block_js();


            $buffy .= '<div class="tdb-featured-image-bg"></div>';

        $buffy .= '</div>';

        return $buffy;
    }

}