import test from "node:test";
import assert from "node:assert/strict";

import { loadConfig } from "../src/config.js";

test("loadConfig parses relay input and ignores invalid entries", () => {
  const config = loadConfig({
    RELAYS: "wss://offchain.pub,not-a-url",
    WRITE_CHECK_ENABLED: "false",
  });

  assert.equal(config.relays.length, 1);
  assert.equal(config.relays[0]?.relay, "wss://offchain.pub/");
  assert.equal(config.writeCheck.enabled, false);
  assert.equal(config.probeIntervalMs, 0);
  assert.ok(config.warnings.some((w) => w.includes("Ignoring invalid relay URL")));
});

test("loadConfig generates write-check private key when missing", () => {
  const config = loadConfig({
    RELAYS: "wss://offchain.pub",
    WRITE_CHECK_ENABLED: "true",
  });

  assert.equal(config.writeCheck.enabled, true);
  assert.match(config.writeCheck.privkey ?? "", /^[0-9a-f]{64}$/i);
  assert.ok(
    config.warnings.some((w) => w.includes("generated ephemeral write-check key")),
    "expected warning about generated write-check key",
  );
});

test("loadConfig generates write-check private key when configured key is invalid", () => {
  const config = loadConfig({
    RELAYS: "wss://offchain.pub",
    WRITE_CHECK_ENABLED: "true",
    WRITE_CHECK_PRIVKEY: "not-a-valid-key",
  });

  assert.equal(config.writeCheck.enabled, true);
  assert.match(config.writeCheck.privkey ?? "", /^[0-9a-f]{64}$/i);
  assert.notEqual(config.writeCheck.privkey, "not-a-valid-key");
  assert.ok(
    config.warnings.some((w) => w.includes("WRITE_CHECK_PRIVKEY invalid")),
    "expected warning about invalid configured key",
  );
});

test("loadConfig sets write-check read verification flag", () => {
  const defaultConfig = loadConfig({
    RELAYS: "wss://offchain.pub",
  });
  assert.equal(defaultConfig.writeCheck.verifyRead, true);

  const verifyConfig = loadConfig({
    RELAYS: "wss://offchain.pub",
    WRITE_CHECK_VERIFY_READ: "false",
  });
  assert.equal(verifyConfig.writeCheck.verifyRead, false);
});