import { z } from "zod"

const metric = z.number().finite().nonnegative().nullable()
const address = z.string().nullable().optional()
const response = z.object({
  ok: z.literal(true),
  result: z.object({
    runId: z.string().min(1),
    createdAt: z.string().datetime({ offset: true }).optional(),
    txAvgMbps: metric,
    rxAvgMbps: metric,
    raw: z.array(z.record(z.string(), z.unknown())).optional(),
    afterBtPing: z.object({ rttMs: metric, lossPct: z.number().finite().min(0).max(100).nullable(), error: z.string().nullable() }).optional(),
    srcAddress: address, dstAddress: address,
    srcInterfaceAddress: address, dstInterfaceAddress: address,
  }),
})

export function parseSpeedRunResponse(raw: unknown, runId: string) {
  const parsed = response.safeParse(raw)
  if (!parsed.success || parsed.data.result.runId !== runId) {
    throw new Error("Некорректное подтверждение speed-test. Результат операции неизвестен")
  }
  return parsed.data.result
}