<?php

require __DIR__ . '/vendor/autoload.php';

// Database configuration
$dbFile = __DIR__.'/collections.sqlite';
try {
    $db = new PDO('sqlite:' . $dbFile);
    $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    // Create tables if they don't exist
    $db->exec('CREATE TABLE IF NOT EXISTS categories (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        name TEXT NOT NULL UNIQUE
    )');
    $db->exec('CREATE TABLE IF NOT EXISTS items (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        name TEXT NOT NULL,
        description TEXT,
        category_id INTEGER,
        FOREIGN KEY (category_id) REFERENCES categories(id)
    )');

} catch (PDOException $e) {
    error_log("Database connection failed: " . $e->getMessage());
    die("Database connection failed: could not open database file. Please check server logs for details.");
}

// Mustache setup
$mustache = new Mustache_Engine([
    'loader' => new Mustache_Loader_FilesystemLoader(__DIR__ . '/templates'),
]);

// Helper function to get categories
function getCategories($db) {
    try {
        $stmt = $db->query('SELECT id, name FROM categories ORDER BY name');
        return $stmt->fetchAll(PDO::FETCH_ASSOC);
    } catch (PDOException $e) {
        error_log("Error fetching categories: " . $e->getMessage());
        return [];
    }
}

?>