<?php
// ─── SunScope — Database connection ──────────────────────────────────────
// One shared PDO connection, MySQL/MariaDB via XAMPP locally. Credentials
// live in secrets.local.php alongside the Stripe key, never committed.

function db(): PDO {
    static $pdo = null;
    if ($pdo !== null) return $pdo;

    $pdo = new PDO(
        'mysql:host=' . DB_HOST . ';dbname=' . DB_NAME . ';charset=utf8mb4',
        DB_USER,
        DB_PASS,
        [
            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
            PDO::ATTR_EMULATE_PREPARES   => false,
            // rowCount() on an UPDATE reports rows *matched*, not rows
            // changed. journal-save.php leans on that to tell "not yours /
            // no such row" apart from "saved, but nothing actually
            // differed" - without it, re-saving an entry you didn't edit
            // comes back as "Entry not found."
            PDO::MYSQL_ATTR_FOUND_ROWS   => true,
        ]
    );
    return $pdo;
}