astra_get_responsive_background_obj( array $bg_obj_res, string $device )

function astra_get_responsive_background_obj( $bg_obj_res, $device ) {

	$gen_bg_css = array();

	if ( ! is_array( $bg_obj_res ) ) {
		return;
	}

	$bg_obj      = $bg_obj_res[ $device ];
	$bg_img      = isset( $bg_obj['background-image'] ) ? $bg_obj['background-image'] : '';
	$bg_tab_img  = isset( $bg_obj_res['tablet']['background-image'] ) ? $bg_obj_res['tablet']['background-image'] : '';
	$bg_desk_img = isset( $bg_obj_res['desktop']['background-image'] ) ? $bg_obj_res['desktop']['background-image'] : '';
	$bg_color    = isset( $bg_obj['background-color'] ) ? $bg_obj['background-color'] : '';
	$tablet_css  = ( isset( $bg_obj_res['tablet']['background-image'] ) && $bg_obj_res['tablet']['background-image'] ) ? true : false;
	$desktop_css = ( isset( $bg_obj_res['desktop']['background-image'] ) && $bg_obj_res['desktop']['background-image'] ) ? true : false;

	$bg_type = ( isset( $bg_obj['background-type'] ) && $bg_obj['background-type'] ) ? $bg_obj['background-type'] : '';

	if ( '' !== $bg_type ) {
		switch ( $bg_type ) {
			case 'color':
				if ( '' !== $bg_img && '' !== $bg_color ) {
					$gen_bg_css['background-image'] = 'linear-gradient(to right, ' . $bg_color . ', ' . $bg_color . '), url(' . $bg_img . ');';
				} elseif ( 'mobile' === $device ) {
					if ( $desktop_css ) {
						$gen_bg_css['background-image'] = 'linear-gradient(to right, ' . $bg_color . ', ' . $bg_color . '), url(' . $bg_desk_img . ');';
					} elseif ( $tablet_css ) {
						$gen_bg_css['background-image'] = 'linear-gradient(to right, ' . $bg_color . ', ' . $bg_color . '), url(' . $bg_tab_img . ');';
					} else {
						$gen_bg_css['background-color'] = $bg_color . ';';
						$gen_bg_css['background-image'] = 'none;';
					}
				} elseif ( 'tablet' === $device ) {
					if ( $desktop_css ) {
						$gen_bg_css['background-image'] = 'linear-gradient(to right, ' . $bg_color . ', ' . $bg_color . '), url(' . $bg_desk_img . ');';
					} else {
						$gen_bg_css['background-color'] = $bg_color . ';';
						$gen_bg_css['background-image'] = 'none;';
					}
				} elseif ( '' === $bg_img ) {
					$gen_bg_css['background-color'] = $bg_color . ';';
					$gen_bg_css['background-image'] = 'none;';
				}
				break;

			case 'image':
				if ( '' !== $bg_img && '' !== $bg_color && ( ! is_numeric( strpos( $bg_color, 'linear-gradient' ) ) && ! is_numeric( strpos( $bg_color, 'radial-gradient' ) ) ) ) {
					$gen_bg_css['background-image'] = 'linear-gradient(to right, ' . $bg_color . ', ' . $bg_color . '), url(' . $bg_img . ');';
				}
				if ( '' === $bg_color || is_numeric( strpos( $bg_color, 'linear-gradient' ) ) || is_numeric( strpos( $bg_color, 'radial-gradient' ) ) && '' !== $bg_img ) {
					$gen_bg_css['background-image'] = 'url(' . $bg_img . ');';
				}
				break;

			case 'gradient':
				if ( isset( $bg_color ) ) {
					$gen_bg_css['background-image'] = $bg_color . ';';
				}
				break;

			default:
				break;
		}
	} elseif ( '' !== $bg_color ) {
		$gen_bg_css['background-color'] = $bg_color . ';';
	}

	if ( '' !== $bg_img ) {
		if ( isset( $bg_obj['background-repeat'] ) ) {
			$gen_bg_css['background-repeat'] = esc_attr( $bg_obj['background-repeat'] );
		}

		if ( isset( $bg_obj['background-position'] ) ) {
			$gen_bg_css['background-position'] = esc_attr( $bg_obj['background-position'] );
		}

		if ( isset( $bg_obj['background-size'] ) ) {
			$gen_bg_css['background-size'] = esc_attr( $bg_obj['background-size'] );
		}

		if ( isset( $bg_obj['background-attachment'] ) ) {
			$gen_bg_css['background-attachment'] = esc_attr( $bg_obj['background-attachment'] );
		}
	}

	return $gen_bg_css;
}