import type { FeishuConfig } from "./types.js";

/** Default HTTP timeout for Feishu API requests (30 seconds). */
export const FEISHU_HTTP_TIMEOUT_MS = 30_000;
export const FEISHU_HTTP_TIMEOUT_MAX_MS = 300_000;
export const FEISHU_HTTP_TIMEOUT_ENV_VAR = "OPENCLAW_FEISHU_HTTP_TIMEOUT_MS";

export type FeishuClientTimeoutConfig = {
  httpTimeoutMs?: number;
  config?: Pick<FeishuConfig, "httpTimeoutMs">;
};

export function resolveConfiguredHttpTimeoutMs(creds: FeishuClientTimeoutConfig): number {
  const clampTimeout = (value: number): number => {
    const rounded = Math.floor(value);
    return Math.min(Math.max(rounded, 1), FEISHU_HTTP_TIMEOUT_MAX_MS);
  };

  const fromDirectField = creds.httpTimeoutMs;
  if (
    typeof fromDirectField === "number" &&
    Number.isFinite(fromDirectField) &&
    fromDirectField > 0
  ) {
    return clampTimeout(fromDirectField);
  }

  const envRaw = process.env[FEISHU_HTTP_TIMEOUT_ENV_VAR];
  if (envRaw) {
    const envValue = Number(envRaw);
    if (Number.isFinite(envValue) && envValue > 0) {
      return clampTimeout(envValue);
    }
  }

  const fromConfig = creds.config?.httpTimeoutMs;
  const timeout = fromConfig;
  if (typeof timeout !== "number" || !Number.isFinite(timeout) || timeout <= 0) {
    return FEISHU_HTTP_TIMEOUT_MS;
  }
  return clampTimeout(timeout);
}