import {z} from 'zod'

export type GetApiLoadbalancerLoadBalancerIdStatisticsArgs = {loadBalancerId: number, from?: (string | null) | undefined, to?: (string | null) | undefined, hourly?: boolean | undefined, exactRange?: boolean | undefined};

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

export const loadBalancerStatisticsSummaryModel = z.object({TotalRequests: z.number().optional(), TotalTraffic: z.number().optional(), AverageOriginRttMs: z.number().optional(), AllOriginsExhausted: z.number().optional(), OriginErrorsServed: z.number().optional(), HealthyResponsesServed: z.number().optional(), FailoverCapped: z.number().optional(), AverageRetryDepth: z.number().optional(), StickySessionHits: z.number().optional(), RequestsByMethod: z.record(z.string(), z.number()).nullable().optional()});

export const loadBalancerOriginRequestsSeriesModel = z.object({OriginId: z.number().int().optional(), OriginName: z.string().nullable().optional(), Values: z.record(z.string(), z.number()).nullable().optional()});

export const loadBalancerOriginGroupRequestsSeriesModel = z.object({OriginGroupId: z.number().int().optional(), OriginGroupName: z.string().nullable().optional(), Values: z.record(z.string(), z.number()).nullable().optional()});

export const loadBalancerOriginLatencySeriesModel = z.object({OriginId: z.number().int().optional(), OriginName: z.string().nullable().optional(), Percentile: z.number().int().optional(), Values: z.record(z.string(), z.number()).nullable().optional()});

export const loadBalancerOriginFailuresSeriesModel = z.object({OriginId: z.number().int().optional(), OriginName: z.string().nullable().optional(), StatusCode: z.string().nullable().optional(), Values: z.record(z.string(), z.number()).nullable().optional()});

export const loadBalancerStatisticsModel = z.object({Summary: loadBalancerStatisticsSummaryModel.nullable().optional(), RequestsByOrigin: z.array(loadBalancerOriginRequestsSeriesModel).nullable().optional(), RequestsByOriginGroup: z.array(loadBalancerOriginGroupRequestsSeriesModel).nullable().optional(), TrafficByOrigin: z.array(loadBalancerOriginRequestsSeriesModel).nullable().optional(), OriginLatency: z.array(loadBalancerOriginLatencySeriesModel).nullable().optional(), OriginFailures: z.array(loadBalancerOriginFailuresSeriesModel).nullable().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 Load Balancer statistics
 * 
 * GET /loadbalancer/{loadBalancerId}/statistics
 * 
 * Also accepts auth: bearer
 */
export const getApiLoadbalancerLoadBalancerIdStatistics = async (args: GetApiLoadbalancerLoadBalancerIdStatisticsArgs, options?: GetApiLoadbalancerLoadBalancerIdStatisticsOptions) => {
const {baseUrl = "https://api.bunny.net", fetch: fetchFn = fetch, AccessKey} = options ?? {}

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

if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (args.hourly != null) query.append("hourly", String(args.hourly))
if (args.exactRange != null) query.append("exactRange", String(args.exactRange))
if (AccessKey !== undefined) headers.set("AccessKey", AccessKey)

const url = `${baseUrl.replace(/\/+$/, '')}/loadbalancer/${encodeURIComponent(String(args.loadBalancerId))}/statistics${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(loadBalancerStatisticsModel, await res.json())
};