<?php
/** admin2/api/config.php — Config table read/edit (all keys). */
require_once __DIR__ . '/../lib/helpers.php';
$pdo = db();

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $input = json_decode(file_get_contents('php://input'), true);
    $key = $input['key'] ?? '';
    $value = $input['value'] ?? '';
    if (!$key) json_response(['error' => 'Missing key']);
    try {
        $pdo->prepare("UPDATE config SET value = ? WHERE key = ?")->execute([$value, $key]);
        json_response(['message' => "Updated $key"]);
    } catch (PDOException $e) {
        json_response(['error' => $e->getMessage()]);
    }
}

$rows = $pdo->query("SELECT key, value FROM config ORDER BY key")->fetchAll();
json_response(['config' => $rows]);