import {z} from 'zod'

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

export const atlasCluster = z.object({_id: z.string().optional(), name: z.string().optional(), type: z.string().optional()});

export const atlasFederatedInstance = z.object({_id: z.string().optional(), name: z.literal("mongodb-datafederation"), type: z.literal("datalake"), config: z.object({dataLakeName: z.string()})});

export const thirdPartyService = z.object({_id: z.string().optional(), name: z.string().optional(), type: z.enum(["aws", "twilio", "github", "gcm"]).optional(), version: z.number().int().optional()});

export const getApiGroupsGroupIdAppsAppIdServicesServiceIdConfigResponse = z.array(z.union([atlasCluster, atlasFederatedInstance, thirdPartyService]));

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 a Service Configuration
 * 
 * GET /groups/{groupId}/apps/{appId}/services/{serviceId}/config
 */
export const getApiGroupsGroupIdAppsAppIdServicesServiceIdConfig = async (options?: GetApiGroupsGroupIdAppsAppIdServicesServiceIdConfigOptions) => {
const {baseUrl = "https://services.cloud.mongodb.com/api/admin/v3.0", fetch: fetchFn = fetch, tokenAuth} = options ?? {}

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

if (tokenAuth !== undefined) headers.set('authorization', `Bearer ${tokenAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/groups/${encodeURIComponent(String(args.groupId))}/apps/${encodeURIComponent(String(args.appId))}/services/${encodeURIComponent(String(args.serviceId))}/config${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(getApiGroupsGroupIdAppsAppIdServicesServiceIdConfigResponse, await res.json())
};