import { test } from "node:test"
import assert from "node:assert/strict"
import { parseSpeedRunResponse } from "./speed-run-response"
const receipt = (tx: unknown, rx: unknown, runId = "run-1") => ({ ok: true, result: { runId, txAvgMbps: tx, rxAvgMbps: rx } })
test("nullable result and measured zero stay distinct", () => {
  assert.equal(parseSpeedRunResponse(receipt(null, 0), "run-1").txAvgMbps, null)
  assert.equal(parseSpeedRunResponse(receipt(null, 0), "run-1").rxAvgMbps, 0)
  assert.equal(parseSpeedRunResponse(receipt(0.25, 10), "run-1").txAvgMbps, 0.25)
})
test("invalid or foreign receipts cannot publish measurements", () => {
  for (const raw of [receipt(-1, 0), receipt("10", 0), receipt(NaN, 0), receipt(Infinity, 0), receipt(undefined, 0), receipt(10, 0, "other"), { result: receipt(10, 0).result }, { ok: false, result: receipt(10, 0).result }, null]) {
    assert.throws(() => parseSpeedRunResponse(raw, "run-1"), /Результат операции неизвестен/)
  }
})
test("invalid post-test ping rejects the whole receipt", () => {
  assert.throws(() => parseSpeedRunResponse({ ...receipt(10, 0), result: { ...receipt(10, 0).result, afterBtPing: { rttMs: null, lossPct: 101, error: null } } }, "run-1"))
})

test("server persistence time is validated while legacy receipt remains compatible", () => {
  const base = receipt(10, 0)
  const withTime = (createdAt: unknown) => ({ ...base, result: { ...base.result, createdAt } })
  assert.equal(parseSpeedRunResponse(withTime("2026-10-07T07:00:00+07:00"), "run-1").createdAt, "2026-10-07T07:00:00+07:00")
  assert.equal(parseSpeedRunResponse(base, "run-1").createdAt, undefined)
  for (const value of [null, "", "yesterday", 123, "2026-10-07"]) assert.throws(() => parseSpeedRunResponse(withTime(value), "run-1"), /Результат операции неизвестен/)
})