<?php
require("classes.php");
$gridStr = basename(strip_tags($_SERVER["DOCUMENT_URI"]));
// URL contains grid
if (preg_match("#^[1-9.]{81}$#", $gridStr)) {
?>
<!DOCTYPE html>
<html lang='fr' prefix="og: https://ogp.me/ns#">
<head>
<meta charset='utf-8' />
<meta name='viewport' content='width=device-width' />
<title>Sudoku</title>
<link rel='stylesheet' type='text/css' href='style.css' />
<script src='app.js'></script>
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=57" sizes="57x57">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=114" sizes="114x114">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=72" sizes="72x72">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=144" sizes="144x144">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=60" sizes="60x60">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=120" sizes="120x120">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=76" sizes="76x76">
<link rel="apple-touch-icon" href="thumbnail.png.php?grid=<?=$gridStr?>&size=152" sizes="152x152">
<link rel="icon" type="image/png" href="thumbnail.png.php?grid=<?=$gridStr?>&size=196" sizes="196x196">
<link rel="icon" type="image/png" href="thumbnail.png.php?grid=<?=$gridStr?>&size=160" sizes="160x160">
<link rel="icon" type="image/png" href="thumbnail.png.php?grid=<?=$gridStr?>&size=96" sizes="96x96">
<link rel="icon" type="image/png" href="thumbnail.png.php?grid=<?=$gridStr?>&size=16" sizes="16x16">
<link rel="icon" type="image/png" href="thumbnail.png.php?grid=<?=$gridStr?>&size=32" sizes="32x32">
<link rel="manifest" href="manifest.json.php?grid=<?=$gridStr?>">
<meta property="og:title" content="Sudoku"/>
<meta property="og:type" content="website"/>
<meta property="og:url" content="<?=$_SERVER["REQUEST_SCHEME"] . "://" . $_SERVER["HTTP_HOST"] . $_SERVER["DOCUMENT_URI"];
?>"/>
<meta property="og:image" content="<?=$_SERVER["REQUEST_SCHEME"] . "://" . $_SERVER["HTTP_HOST"] . dirname($_SERVER["DOCUMENT_URI"])?>/thumbnail.png.php?grid=<?=$gridStr?>&size=200"/>
<meta property="og:image:width" content="200"/>
<meta property="og:image:height" content="200"/>
<meta property="og:description" content="Remplissez la grille de sorte que chaque ligne, colonne et région (carré de 3×3 cases) contienne tous les chiffres de 1 à 9."/>
<meta property="og:locale" content="fr_FR"/>
<meta property="og:site_name" content="<?=$_SERVER["HTTP_HOST"]?>"/>
</head>
<body>
<header>
<h1>Sudoku</h1>
</header>
<section>
Remplissez la grille de sorte que chaque ligne, colonne et région (carré de 3×3 cases) contienne tous les chiffres de 1 à 9.
</section>
<form id='sudokuForm'>
<div>
<table id='grid' class='grid'>
<tbody>
<?php for ($row = 0; $row < 9; $row++) { ?>
<tr>
<?php
for ($column = 0; $column < 9; $column++) {
$value = $gridStr[9*$row+$column];
if ($value == UNKNOWN) {
?>
<td><input type='number' min='1' max='9' step='1' value='' title='Valeurs possibles [Clic-droit]'/></td>
<?php } else { ?>
<td><input type='number' min='1' max='9' step='1' value='<?=$value?>' disabled/></td>
<?php
}
}
?>
</tr>
<?php } ?>
</tbody>
</table>
</div>
<div id='buttons' class='select-buttons'>
<?php
for($value=1; $value<=9; $value++) {
echo " <button type='button' onclick='highlight(\"$value\")' title='Écrire un $value' accesskey='$value'>$value</button>\n";
}
?>
</div>
<div>
<button id='highlighterButton' type='button' onclick='toggleHighlighting()' title='Surligner les chiffres sélectionnés'>
<img src="img/highlighter.svg" alt='Surligneur'/>
</button>
<button id='inkPenButton' type='button' onclick='useInkPen()' title='Écrire au stylo' class='pressed'>
<img src="img/ink-pen.svg" alt='Stylo'/>
</button>
<button id='pencilButton' type='button' onclick='usePencil()' title='Écrire au crayon'>
<img src="img/pencil.svg" alt='Crayon'/>
</button>
<button type='button' onclick='erasePencil()' title='Effacer le crayon'>
<img src="img/pencil-eraser.svg" alt="Gomme blanche"/>
</button>
<button class="warning" type='button' onclick='eraseAll()' title='Effacer tout'>
<img src="img/ink-eraser.svg" alt="Gomme bleue"/>
</button>
<button id='undoButton' type='button' onclick='undo()' disabled title='Annuler' accesskey='z'>
<img src="img/undo.svg" alt="Annuler"/>
</button>
</div>
</form>
<ul id="contextMenu" class="context-menu">
</ul>
<footer>
<a href=''>Lien vers cette grille</a><br/>
<a href='.'>Nouvelle grille</a>
<div class="credits">Icons made by <a href="https://www.flaticon.com/authors/freepik" title="Freepik">Freepik</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a></div>
</footer>
</body>
</html>
<?php
} else {
$grid = new Grid();
$grid->generate();
header("HTTP/1.0 400 Bad Request", true, 400);
$urlDir = $_SERVER["REQUEST_SCHEME"] . "://" . $_SERVER["HTTP_HOST"] . dirname($_SERVER["DOCUMENT_URI"]);
$urlExample = $urlDir . "/" . $grid->toString();
?>
<!DOCTYPE html>
<html lang='fr'>
<head>
<meta charset='utf-8' />
<meta name='viewport' content='width=device-width' />
<title>Grille incorrecte</title>
<link rel='stylesheet' type='text/css' href='style.css' />
<link rel="icon" type="image/png" href="favicon.png">
</head>
<body>
<header>
<h1>Grille incorrecte</h1>
</header>
L'adresse URL doit être de la forme : <?=$urlDir?>/<em>grille</em>,<br/>
<em>grille</em> étant une suite de 81 caractères représentant la grille de gauche à droite puis de haut en bas, soit :
<ul>
<li>un chiffre entre 1 et 9 pour les cases connues</li>
<li>un point pour les case vides</li>
</ul>
Exemple : <a href='<?=$urlExample?>'><?=$urlExample?></a><br/>
</body>
</html>
<?php
}
?>