<?php

namespace TotalTheme;

\defined( 'ABSPATH' ) || exit;

/**
 * Sanitize inputted data.
 */
class Sanitize_Data {

	/**
	 * Main class function parses input to return sanitized output.
	 */
	public function parse_data( $input, string $type ) {
		$type = \str_replace( '-', '_', $type );
		if ( \method_exists( $this, $type ) ) {
			return $this->$type( $input );
		}
		return $input; // perhaps we should at least strip all tags?
	}

	/**
	 * URL.
	 */
	public function url( string $input ): string {
		return (string) \esc_url( $input );
	}

	/**
	 * Text.
	 */
	public function text( string $input ): string {
		return (string) \sanitize_text_field( $input );
	}

	/**
	 * Text Field.
	 */
	public function text_field( string $input ): string {
		return (string) \sanitize_text_field( $input );
	}

	/**
	 * Textarea.
	 */
	public function textarea( string $input ): string {
		return (string) \wp_kses_post( $input );
	}

	/**
	 * Boolean.
	 */
	public function boolean( $input ): bool {
		return \wpex_validate_boolean( $input );
	}

	/**
	 * Pixels.
	 */
	public function px( string $input ): string {
		if ( 'none' === $input ) {
			return '0px';
		} else {
			return floatval( $input ) . 'px'; // Not sure why we used floatval but lets leave it incase
		}
	}

	/**
	 * Milliseconds.
	 */
	public function ms( string $input ): string {
		return floatval( $input ) . 'ms';
	}

	/**
	 * Pixel Fallback.
	 */
	public function fallback_px( string $input ): string {
		if ( 'none' === $input ) {
			return '0px';
		} elseif ( \is_numeric( $input ) ) {
			return floatval( $input ) . 'px'; // Not sure why we used floatval but lets leave it incase.
		}
		return (string) \sanitize_text_field( $input );
	}

	/**
	 * Container width.
	 */
	public function container_width( string $input ): ?string {
		if ( \is_numeric( $input ) ) {
			return null; // Prevent values without units from working - this is a fix for pre 5.4.
		} else {
			return (string) \sanitize_text_field( $input );
		}
	}

	/**
	 * Margin.
	 */
	public function margin( string $input ): string {
		if ( 'none' === $input || '0' === $input || 0 === $input || '0px' === $input ) {
			return '0px'; // must include px to prevent issues with calc
		}

		if ( \is_numeric( $input ) ) {
			return \sanitize_text_field( $input ) . 'px';
		}

		return $input ? (string) \esc_attr( $input ) : '';
	}

	/**
	 * Padding.
	 */
	public function padding( string $input ): string {
		if ( 'none' === $input || '0' === $input || 0 === $input || '0px' === $input ) {
			return '0px'; // must include px to prevent issues with calc
		}

		if ( \is_numeric( $input ) ) {
			return \sanitize_text_field( $input ) . 'px';
		}

		return $input ? (string) \esc_attr( $input ) : '';
	}

	/**
	 * Font Size utl.
	 */
	public function utl_font_size( string $input ) {
		if ( $input && \array_key_exists( $input, \wpex_utl_font_sizes() ) ) {
			return 'var(--wpex-text-' . \esc_attr( $input ) . ')';
		}
	}

	/**
	 * Border Radius.
	 */
	public function utl_border_radius( string $input ): string {
		if ( 'rounded-0' === $input ) {
			return '0';
		} elseif ( 'rounded-full' === $input ) {
			return '9999px';
		} elseif ( $input && \array_key_exists( $input, \wpex_utl_border_radius() ) ) {
			return 'var(--wpex-' . \esc_attr( $input ) . ')';
		} else {
			return '';
		}
	}

	/**
	 * Font Size.
	 */
	public function font_size( string $input ) {
		return \wpex_sanitize_font_size( $input, 'font_size' );
	}

	/**
	 * Font Weight.
	 */
	public function font_weight( string $input ): string {
		$font_weight = '';
		switch ( $input ) {
			case 'normal':
				$font_weight = '400';
				break;
			case 'semibold':
				$font_weight = '600';
				break;
			case 'bold':
				$font_weight = '700';
				break;
			case 'bolder':
				$font_weight = '900';
				break;
			default:
				$font_weight = (string) \sanitize_text_field( $input );
				break;
		}
		return $font_weight;
	}

	/**
	 * Hex Color.
	 */
	public function hex_color( string $input ): ?string {
		return (string) sanitize_hex_color( $input );
	}

	/**
	 * Border Radius.
	 */
	public function border_radius( string $input ): string {
		if ( 'none' === $input ) {
			return '0';
		}
		if ( \is_numeric( $input ) ) {
			return "{$input}px";
		}
		return $input ? \esc_attr( $input ) : '';
	}

	/**
	 * Pixel or Percent.
	 */
	public function px_pct( string $input ): string {
		if ( 'none' === $input || '0px' === $input ) {
			return '0';
		} elseif ( \str_contains( $input, '%' ) ) {
			return \sanitize_text_field( $input );
		} elseif ( $input = floatval( $input ) ) {
			return \sanitize_text_field( $input ) . 'px';
		} else {
			return '';
		}
	}

	/**
	 * Pixel or Em.
	 */
	public function px_em( $input ): string {
		if ( 'none' === $input || '0px' === $input) {
			return '0';
		}

		if ( \is_numeric( $input ) ) {
			return "{$input}px";
		}

		$unit = $this->get_unit( $input );

		if ( 'px' === $unit || 'em' === $unit ) {
			return \esc_attr( $input );
		}

		$input = floatval( $input );

		return $input ? "{$input}px" : '';
	}

	/**
	 * Opacity.
	 */
	public function opacity( string $input ): ?string {
		if ( ! \is_numeric( $input ) || $input > 1 ) {
			return null;
		} else {
			return (string) \sanitize_text_field( $input );
		}
	}

	/**
	 * HTML.
	 */
	public function html( string $input ): string {
		return (string) \wp_kses_post( $input );
	}

	/**
	 * Image.
	 */
	public function image( string $input ): string {
		return (string) \wp_kses( $input, [
			'img' => [
				'src'      => [],
				'alt'      => [],
				'srcset'   => [],
				'id'       => [],
				'class'    => [],
				'height'   => [],
				'width'    => [],
				'data'     => [],
				'data-rjs' => [],
				'loading'  => [],
				'decoding' => [],
				'itemprop' => [],
			],
		] );
	}

	/**
	 * Image.
	 */
	public function img( string $input ): string {
		return $this->image( $input );
	}

	/**
	 * Image from setting.
	 */
	public function image_src_from_mod( $input ): string {
		return (string) \wpex_get_image_url( $input );
	}

	/**
	 * Background Style.
	 */
	public function background_style_css( string $input ): string {
		$css = '';
		switch ( $input ) {
			case 'stretched':
				$css = 'background-size: cover;
					background-position: center center;
					background-attachment: fixed;
					background-repeat: no-repeat;';
				break;
			case 'cover':
				$css = 'background-position:center center;background-size: cover;';
				break;
			case 'repeat':
				$css = 'background-repeat:repeat;';
				break;
			case 'no-repeat':
				$css = 'background-repeat:no-repeat;';
				break;
			case 'repeat-y':
				$css = 'background-position: center center;background-repeat:repeat-y;';
				break;
			case 'fixed':
				$css = 'background-repeat: no-repeat;background-position: center center;background-attachment: fixed;';
				break;
			case 'fixed-top':
				$css = 'background-repeat: no-repeat;background-position: center top;background-attachment: fixed;';
				break;
			case 'fixed-bottom':
				$css = 'background-repeat: no-repeat;background-position: center bottom;background-attachment: fixed;';
				break;
			default:
				$safe_input = esc_attr( $input );
				if ( $safe_input ) {
					$css = "background-repeat:{$safe_input};";
				}
				break;
		}
		return $css;
	}

	/**
	 * Embed URL.
	 */
	public function embed_url( string $url ) {
		return (string) \wpex_get_video_embed_url( $url );
	}

	/**
	 * Google Map Embed.
	 */
	public function google_map( $input ): string {
		return (string) \wp_kses( $input, [
			'iframe' => [
				'src'             => [],
				'height'          => [],
				'width'           => [],
				'frameborder'     => [],
				'style'           => [],
				'allowfullscreen' => [],
			],
		] );
	}

	/**
	 * iFrame.
	 */
	public function iframe( $input ): string {
		return (string) \wp_kses( $input, [
			'iframe' => [
				'align' => [],
				'width' => [],
				'height' => [],
				'frameborder' => [],
				'name' => [],
				'src' => [],
				'id' => [],
				'class' => [],
				'style' => [],
				'scrolling' => [],
				'marginwidth' => [],
				'marginheight' => [],
				'allow' => [],
			],
		] );
	}

	/**
	 * SVG.
	 */
	public function svg( $input ): string {
		return (string) \wp_kses( $input, [
			'svg' => [
				'class' => true,
				'aria-hidden' => true,
				'aria-labelledby' => true,
				'role' => true,
				'xmlns' => true,
				'width' => true,
				'height' => true,
				'viewbox' => true, // <= Must be lower case!
				'style' => true,
				'preserveAspectRatio' => true, // WP bug prevents this from working :(
			],
			'g' => [ 'fill' => true ],
			'title' => [ 'title' => true ],
			'path' => [
				'd' => true,
				'fill' => true,
				'class' => true,
			],
		] );
	}

	/**
	 * Return css unit (text) from input.
	 */
	protected function get_unit( string $input ): ?string {
		if ( $input && \is_string( $input ) && ! \is_numeric( $input ) ) {
			$non_numeric_string = \preg_replace( '/[^0-9.]/', '', $input );
			$unit = \str_replace( $non_numeric_string, '', $input );
			if ( $unit ) {
				return \trim( $unit );
			}
		}
		return $unit ?? null;
	}

}