<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';

$method = $_SERVER['REQUEST_METHOD'];

try {
    $pdo = db();

    if ($method === 'GET') {
        $stmt = $pdo->query("SELECT * FROM saved_timers ORDER BY created_at DESC");
        $timers = $stmt->fetchAll();
        echo json_encode(['success' => true, 'data' => $timers]);
    } 
    elseif ($method === 'POST') {
        $data = json_decode(file_get_contents('php://input'), true);
        if (empty($data['name']) || empty($data['config'])) {
            throw new Exception("Missing name or config");
        }

        $stmt = $pdo->prepare("INSERT INTO saved_timers (name, config) VALUES (:name, :config)");
        $stmt->execute([
            ':name' => $data['name'],
            ':config' => json_encode($data['config'])
        ]);
        echo json_encode(['success' => true, 'id' => $pdo->lastInsertId()]);
    } 
    elseif ($method === 'DELETE') {
        $id = $_GET['id'] ?? null;
        if (!$id) {
            throw new Exception("Missing id");
        }

        $stmt = $pdo->prepare("DELETE FROM saved_timers WHERE id = :id");
        $stmt->execute([':id' => $id]);
        echo json_encode(['success' => true]);
    }
} catch (Exception $e) {
    http_response_code(400);
    echo json_encode(['success' => false, 'error' => $e->getMessage()]);
}