import {z} from 'zod'

export type DebugInstanceRequest = {sshKey?: string | undefined};

export type CreateApiV1AppsAppsIdServicesServicesIdVersionsVersionsIdInstancesInstancesIdDebugArgs = {appsId: string, servicesId: string, versionsId: string, instancesId: string, body: DebugInstanceRequest};

export type CreateApiV1AppsAppsIdServicesServicesIdVersionsVersionsIdInstancesInstancesIdDebugOptions = {baseUrl?: string | undefined, Oauth2?: string | undefined, Oauth2c?: string | undefined, fetch?: typeof fetch | undefined};

export const status = z.object({code: z.number().int().optional(), details: z.array(z.record(z.string(), z.unknown())).optional(), message: z.string().optional()});

export const operation = z.object({done: z.boolean().optional(), error: status.optional(), metadata: z.record(z.string(), z.unknown()).optional(), name: z.string().optional(), response: z.record(z.string(), z.unknown()).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
};

/**
 * Enables debugging on a VM instance. This allows you to use the SSH command to connect to the virtual machine where the instance lives. While in "debug mode", the instance continues to serve live traffic. You should delete the instance when you are done debugging and then allow the system to take over and determine if another instance should be started.Only applicable for instances in App Engine flexible environment.
 * 
 * POST /v1/apps/{appsId}/services/{servicesId}/versions/{versionsId}/instances/{instancesId}:debug
 */
export const createApiV1AppsAppsIdServicesServicesIdVersionsVersionsIdInstancesInstancesIdDebug = async (args: CreateApiV1AppsAppsIdServicesServicesIdVersionsVersionsIdInstancesInstancesIdDebugArgs, options?: CreateApiV1AppsAppsIdServicesServicesIdVersionsVersionsIdInstancesInstancesIdDebugOptions) => {
const {baseUrl = "https://appengine.googleapis.com", fetch: fetchFn = fetch, Oauth2, Oauth2c} = options ?? {}

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

if (Oauth2 !== undefined) headers.set('authorization', `Bearer ${Oauth2}`)
if (Oauth2c !== undefined) headers.set('authorization', `Bearer ${Oauth2c}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/apps/${encodeURIComponent(String(args.appsId))}/services/${encodeURIComponent(String(args.servicesId))}/versions/${encodeURIComponent(String(args.versionsId))}/instances/${encodeURIComponent(String(args.instancesId))}:debug${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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