import type { LogLevel } from "@atbb/logger";

export interface WebConfig {
  port: number;
  appviewUrl: string;
  logLevel: LogLevel;
  /** In-memory theme cache TTL in milliseconds. Defaults to 5 minutes. */
  themeCacheTtlMs: number;
}

export function loadConfig(): WebConfig {
  return {
    port: parseInt(process.env.WEB_PORT ?? "3001", 10),
    appviewUrl: process.env.APPVIEW_URL ?? "http://localhost:3000",
    logLevel: (process.env.LOG_LEVEL as LogLevel) ?? "info",
    themeCacheTtlMs: (() => {
      const parsed = parseInt(process.env.THEME_CACHE_TTL_MS ?? "300000", 10);
      return Number.isNaN(parsed) ? 300_000 : parsed;
    })(),
  };
}