// Zentrale Konfiguration, per .env überschreibbar
export default {
    port: parseInt(process.env.PORT || "8080", 10),
    // Upstream (Epirent)
    upstreamBase: process.env.UPSTREAM_BASE || "https://epirent.example.com", // <-- anpassen
    epiNoSession: process.env.EPI_NO_SESSION || "true",
    epiAccessToken: process.env.EPI_ACCESS_TOKEN || "xxxDerAccessTokenxxx",
    // Cache
    ttlSeconds: parseInt(process.env.TTL_SECONDS || "600", 10), // frisch
    staleSeconds: parseInt(process.env.STALE_SECONDS || "600", 10), // zusätzlich stale
    // Optional: Pfad-spezifische TTL-Regeln (Regex-Strings)
    routeTtls: (process.env.ROUTE_TTLS || "")
        .split("|")
        .map(s => s.trim())
        .filter(Boolean)
        .map(rule => {
        // Format: /regex/i=SECONDS  (i optional)
        const [pat, sec] = rule.split("=");
        const flags = /\/[gimsuy]*$/.test(pat) ? pat.split("/").pop() : "";
        const body = pat.replace(/^\/|\/[gimsuy]*$/g, "");
        return { re: new RegExp(body, flags || "i"), seconds: parseInt(sec, 10) };
    }),
    // Redis (leer => In-Memory LRU)
    redisUrl: process.env.REDIS_URL || "",
    // Sicherheit / CORS
    allowCors: (process.env.CORS || "false").toLowerCase() === "true",
    corsOrigin: process.env.CORS_ORIGIN || "*",
    // Rate limit (sehr simpel, optional)
    rateLimitRps: parseInt(process.env.RATE_LIMIT_RPS || "0", 10), // 0 = aus
};