
<?php
require_once 'lib/common.php';
require_once 'lib/install.php';

// We store stuff in the session, to survive the redirect to self
session_start();

// Only run the installer when we're responding to the form
if ($_POST)
{
    // Here's the install
    $pdo = getPDO();
    list($_SESSION['count'], $_SESSION['error']) = installBlog($pdo);

    // ... and here we redirect from POST to GET
    redirectAndExit('install.php');
}

// Let's see if we've just installed
$attempted = false;
if ($_SESSION)
{
    $attempted = true;
    $count = $_SESSION['count'];
    $error = $_SESSION['error'];

    // Unset session variables, so we only report the install/failure once
    unset($_SESSION['count']);
    unset($_SESSION['error']);
}

?>
<!DOCTYPE html>
<html>
    <head>
        <title>Blog installer</title>
        <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
        <style type="text/css">
            .box {
                border: 1px dotted silver;
                border-radius: 5px;
                padding: 4px;
            }
            .error {
                background-color: #ff6666;
            }
            .success {
                background-color: #88ff88;
            }
        </style>
    </head>
    <body>
        <?php if ($attempted): ?>

            <?php if ($error): ?>
                <div class="error box">
                    <?php echo $error ?>
                </div>
            <?php else: ?>
                <div class="success box">
                    The database and demo data was created OK.

                    <?php foreach (array('post', 'comment') as $tableName): ?>
                        <?php if (isset($count[$tableName])): ?>
                            <?php // Prints the count ?>
                            <?php echo $count[$tableName] ?> new
                            <?php // Prints the name of the thing ?>
                            <?php echo $tableName ?>s
                            were created.
                        <?php endif ?>
                    <?php endforeach ?>
                </div>

                <p>
                    <a href="index.php">View the blog</a>,
                    or <a href="install.php">install again</a>.
                </p>
            <?php endif ?>

        <?php else: ?>

            <p>Click the install button to reset the database.</p>

            <form method="post">
                <input
                    name="install"
                    type="submit"
                    value="Install"
                />
            </form>

        <?php endif ?>
    </body>
</html>