import {z} from 'zod'

export type GetApiApplicationsApplicationIdInstancesIdJsonArgs = {application_id: number, id: number};

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

export const appSummaryDataResponse = z.object({apdex_score: z.number().optional(), error_rate: z.number().optional(), instance_count: z.number().int().optional(), response_time: z.number().optional(), throughput: z.number().optional()});

export const endUserSummaryDataResponse = z.object({apdex_score: z.number().optional(), response_time: z.number().optional(), throughput: z.number().optional()});

export const applicationInstanceLinksResponse = z.object({application: z.number().int().optional(), application_host: z.number().int().optional(), server: z.number().int().optional()});

export const applicationInstanceResponseType = z.object({host: z.string().optional(), application_name: z.string().optional(), application_summary: appSummaryDataResponse.optional(), end_user_summary: endUserSummaryDataResponse.optional(), health_status: z.string().optional(), id: z.number().int().optional(), language: z.number().int().optional(), links: applicationInstanceLinksResponse.optional(), port: z.number().int().optional()});

export const applicationInstanceResponse = z.object({application_instance: applicationInstanceResponseType.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
};

/**
 * Show
 * 
 * GET /applications/{application_id}/instances/{id}.json
 */
export const getApiApplicationsApplicationIdInstancesIdJson = async (args: GetApiApplicationsApplicationIdInstancesIdJsonArgs, options?: GetApiApplicationsApplicationIdInstancesIdJsonOptions) => {
const {baseUrl = "https://api.newrelic.com/v2", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("Api-Key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/applications/${encodeURIComponent(String(args.application_id))}/instances/${encodeURIComponent(String(args.id))}.json${query.size > 0 ? `?${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(applicationInstanceResponse, await res.json())
};