import {z} from 'zod'

export type GetApiKvdbsAliasKvsKvsNamePerfcSetArgs = {pretty?: boolean | undefined};

export type GetApiKvdbsAliasKvsKvsNamePerfcSetOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const performanceCounter = z.object({name: z.string().optional(), header: z.string().optional(), description: z.string().optional(), type: z.enum(["invalid", "basic", "rate", "latency", "distribution", "simple_latency"]).optional(), level: z.number().int().optional(), enabled: z.number().int().optional()});

export const performanceCounters = z.array(z.object({path: z.string().optional(), name: z.string().optional(), enabled: z.number().int().optional(), counters: z.array(z.union([performanceCounter, z.object({name: z.string().optional(), header: z.string().optional(), description: z.string().optional(), type: z.enum(["invalid", "basic", "rate", "latency", "distribution", "simple_latency"]).optional(), level: z.number().int().optional(), enabled: z.number().int().optional(), value: z.number().int().optional()}), z.object({name: z.string().optional(), header: z.string().optional(), description: z.string().optional(), type: z.enum(["invalid", "basic", "rate", "latency", "distribution", "simple_latency"]).optional(), level: z.number().int().optional(), enabled: z.number().int().optional(), delta_ns: z.number().int().optional(), current: z.number().int().optional(), previous: z.number().int().optional(), rate: z.number().int().optional(), vadd: z.number().int().nullable().optional(), vsub: z.number().int().nullable().optional()}), z.object({name: z.string().optional(), header: z.string().optional(), description: z.string().optional(), type: z.enum(["invalid", "basic", "rate", "latency", "distribution", "simple_latency"]).optional(), level: z.number().int().optional(), enabled: z.number().int().optional(), sum: z.number().int().optional(), hits: z.number().int().optional()}), z.object({name: z.string().optional(), header: z.string().optional(), description: z.string().optional(), type: z.enum(["invalid", "basic", "rate", "latency", "distribution", "simple_latency"]).optional(), level: z.number().int().optional(), enabled: z.number().int().optional(), minimum: z.number().int().optional(), maximum: z.number().int().optional(), average: z.number().int().optional(), sum: z.number().int().optional(), hits: z.number().int().optional(), percentage: z.number().optional(), histogram: z.array(z.object({hits: z.number().int().optional(), average: z.number().int().optional(), boundary: z.number().int().optional()})).optional()})])).optional()}));

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get all performance counter information.
 * 
 * GET /kvdbs/{alias}/kvs/{kvsName}/perfc/{set}
 */
export const getApiKvdbsAliasKvsKvsNamePerfcSet = async (args: GetApiKvdbsAliasKvsKvsNamePerfcSetArgs, options?: GetApiKvdbsAliasKvsKvsNamePerfcSetOptions) => {
const {baseUrl = "http://localhost", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.pretty != null) query.append("pretty", String(args.pretty))

const url = `${baseUrl.replace(/\/+$/, '')}/kvdbs/${encodeURIComponent(String(args.alias))}/kvs/${encodeURIComponent(String(args.kvsName))}/perfc/${encodeURIComponent(String(args.set))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(performanceCounters, await res.json())
};