"use strict";

const test = require("node:test");
const assert = require("node:assert/strict");
const { mapToAppRequest, normalizeHeaders } = require("../src/server");

test("normalizeHeaders lowercases and joins array values", () => {
  const headers = normalizeHeaders({
    "X-User-Id": "u1",
    "X-Forwarded-For": ["a", "b"],
  });

  assert.equal(headers["x-user-id"], "u1");
  assert.equal(headers["x-forwarded-for"], "a,b");
});

test("mapToAppRequest extracts method/path/headers/body correctly", () => {
  const request = mapToAppRequest({
    req: {
      method: "POST",
      url: "/api/webhooks/x?debug=1",
      headers: { "X-Signature": "sha256=abc" },
    },
    rawBody: "{\"ok\":true}",
  });

  assert.equal(request.method, "POST");
  assert.equal(request.path, "/api/webhooks/x");
  assert.equal(request.headers["x-signature"], "sha256=abc");
  assert.equal(request.rawBody, "{\"ok\":true}");
});