garfieldize.php

<?php

$allowed_tokens = [
];

if ( ! in_array( $_POST['token'], $allowed_tokens, true ) ) {
	die('forbidden');
}

$query = $_POST['text'];

if ( "help" == $query || empty( $query ) ) {
	header("cache-control: no-store, no-cache, must-revalidate");
	header("content-type: application/json");


	$response = [
	"response_type" => "in_channel",
	"blocks" => [
		[
			"type" => "section",
			"text" => [
				"type" => "mrkdwn",
				"text" => "[<style>|]your text\n".
				  "\nExample: `neon|glow big or glow home`".
			  "\nYields: :neon-g::neon-l::neon-o::neon-w::empty::neon-b::neon-i::neon-g::empty::neon-o::neon-r::empty::neon-g::neon-l::neon-o::neon-w::empty::neon-h::neon-o::neon-m::neon-e:\n".
			  "\nExample: `i hate mondays`".
			  "\nYields: :garfield_i::empty::garfield_h::garfield_a::garfield_t::garfield_e::empty::garfield_m::garfield_o::garfield_n::garfield_d::garfield_a::garfield_y::garfield_s:\n".
				  "\nDefault style is 'garfield'. Other options are: 'yellow', 'white', 'comic', 'intense', 'neon', 'flicker', 'caps', 'scrabble', 'janky', 'boop', 'boop2', 'boop3'\n".
				  "All support alphas, but number and punctuation support is mixed"
			]
		],
		[
			"type" => "context",
			"elements" => [
				[
					"type" => "mrkdwn",
					"text" => sprintf( '<%s|Source code>', 'https://gist.github.com/trepmal/978ce01e1cd17c614876c508cae53eb8' )
				],
				[
					"type" => "plain_text",
					"text" => ':heart: @trepmal'
				]
			]
		],
	]
];
	die( json_encode( $response ) );
}

$query = strtolower( $query );

preg_match( "/^(?:([a-z0-9]*)\|)?(.*?)$/", $query, $matches );
$style = $matches[1];
$text  = $matches[2];

$text = trim( str_replace( '  ', ' ', $text ) );

$text_length = strlen( $text );
if ( $text_length < 3 ) {
	$flicker_modulo = 2;
} elseif ( $text_length < 15 ) {
	$flicker_modulo = 3;
} else {
	$flicker_modulo = 6;
}

if ( in_array( $style, [ 'boop', 'boop1', 'boop2', 'boop3' ] ) ) {
	
	require 'boop.php';
	$return_text = render_word( $text );
	if ( $style == 'boop2' ) {
		$return_text = str_replace('boop-1','boop-2', $return_text );
	}
	if ( $style == 'boop3' ) {
		$return_text = str_replace('boop-1','boop-3', $return_text );
	}
} else {

$letters = array_map( function( $i ) use ( $style, $flicker_modulo ) {

	switch ( $style ) {
		case 'boop':
			if ( preg_match('/[a-z\?\!.-]/i', $i ) ) {
				$i = str_replace(
					[ '?', '#', '!', '@'],
					[ 'question', 'hash', 'exclamation', 'at'],
					$i
				);
				$i = ":alphabet-yellow-$i:";
			}
		break;
		case 'yellow':
			if ( preg_match('/[a-z0-9\?#\!@]/i', $i ) ) {
				$i = str_replace(
					[ '?', '#', '!', '@'],
					[ 'question', 'hash', 'exclamation', 'at'],
					$i
				);
				$i = ":alphabet-yellow-$i:";
			}
		break;
		case 'white':
			if ( preg_match('/[a-z0-9\?#\!@]/i', $i ) ) {
				$i = str_replace(
					[ '?', '#', '!', '@'],
					[ 'question', 'hash', 'exclamation', 'at'],
					$i
				);
				$i = ":alphabet-white-$i:";
			}
		break;
		case 'comic':
			if ( preg_match('/[a-z0-9]/i', $i ) ) {
				$i = ":comicsans$i:";
			}
		break;
		case 'neon':
			if ( preg_match('/[a-z]/i', $i ) ) {
				$i = ":neon-$i:";
			}
		break;	
				case 'intense':
						if ( preg_match('/[a-z0-9]/i', $i ) ) {
								$i = ":garfield_$i-intensifies:";
						}
		break;
		case 'janky':
			if ( preg_match('/[a-z0-9\?\!]/i', $i ) ) {
				$i = str_replace(
					[ '?', '!'],
					[ 'question-mark', 'exclamation-mark' ],
					$i
				);
				$i = ":janky-$i:";
			}
		break;	
		case 'flicker':
			if ( preg_match('/[a-z]/i', $i ) ) {
				$i = sprintf( ":neon-$i%s:", ( rand( 0, 100 ) % $flicker_modulo === 0 ? '-flicker' : '' ) );
			}
		break;
				case 'caps':
						if ( preg_match('/[a-z]/i', $i ) ) {
								$i = ":letters-cap-$i:";
						}
				break;
				case 'scrabble':
						if ( preg_match('/[a-z]/i', $i ) ) {
								$i = ":$i-scrabble:";
						}
				break;
		case 'garfield':
		default:
			if ( preg_match('/[a-z0-9]/i', $i ) ) {
				$i = ":garfield_$i:";
			}
	}

	if ( ' ' === $i ) {
		$i = ":empty:";
	}
	return $i;
}, str_split( $text, 1 ) );

$return_text = implode( $letters );
} // end if style


$response = [
	"response_type" => "in_channel",
	"blocks" => [
		[
			"type" => "section",
			"text" => [
				"type" => "mrkdwn",
				"text" => $return_text
			]
		],
		[
			"type" => "context",
			"elements" => [
				[
					"type" => "mrkdwn",
					"text" => sprintf( '<%s|Source code>', 'https://gist.github.com/trepmal/978ce01e1cd17c614876c508cae53eb8' )
				],
				[
					"type" => "plain_text",
					"text" => ':heart: @trepmal'
				]
			]
		],
	]
];

header("cache-control: no-store, no-cache, must-revalidate");
header( 'Content-Type: application/json' );
die( json_encode( $response ) );