import fs from "node:fs";

const log = fs.readFileSync("/tmp/config-reload-e2e.log", "utf8");

const reloadLines = log

.split("\n")

.filter((line) => line.includes("config change detected; evaluating reload"));

const restartLines = log

.split("\n")

.filter((line) => line.includes("config change requires gateway restart"));

const logPath = process.env.OPENCLAW_CONFIG_RELOAD_LOG_PATH ?? "/tmp/config-reload-e2e.log";

const deadlineMs = Date.now() + Number(process.env.OPENCLAW_CONFIG_RELOAD_LOG_TIMEOUT_MS ?? 30_000);

if (restartLines.length > 0) {

console.error(log.split("\n").slice(-160).join("\n"));

const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

function readLog() {

return fs.readFileSync(logPath, "utf8");

}

function inspectLog(log) {

const lines = log.split("\n");

const reloadLines = lines.filter((line) =>

line.includes("config change detected; evaluating reload"),

);

const restartLines = lines.filter((line) =>

line.includes("config change requires gateway restart"),

);

return { lines, reloadLines, restartLines };

}

let log = "";

let result = { lines: [], reloadLines: [], restartLines: [] };

while (Date.now() < deadlineMs) {

log = readLog();

result = inspectLog(log);

if (result.restartLines.length > 0 || result.reloadLines.length > 0) {

break;

}

await sleep(500);

}

if (result.restartLines.length > 0) {

console.error(result.lines.slice(-160).join("\n"));

throw new Error("unexpected restart-required reload line found");

}

for (const line of reloadLines) {

for (const line of result.reloadLines) {

for (const needle of ["gateway.auth.token", "plugins.entries.firecrawl.config.webFetch"]) {

if (line.includes(needle)) {

console.error(log.split("\n").slice(-160).join("\n"));

console.error(result.lines.slice(-160).join("\n"));

throw new Error(`runtime-only path appeared in reload diff: ${needle}`);

}

}

}

if (reloadLines.length === 0) {

console.error(log.split("\n").slice(-160).join("\n"));

if (result.reloadLines.length === 0) {

console.error(result.lines.slice(-160).join("\n"));

throw new Error("expected config reload detection log after metadata write");

}