import {z} from 'zod'

export type StickySessionSettings = {enabled?: boolean | undefined, sessionHeaders: Array<string>, cookieName?: string | undefined};

export type Protocol = 'tcp' | 'udp' | 'sctp';

export type ContainerPortMappingRequest = {containerPort: number, exposedPort?: (number | null) | undefined, protocols?: Array<Protocol> | undefined};

export type CdnEndpointRequest = {isSslEnabled?: boolean | undefined, stickySessions?: StickySessionSettings | undefined, pullZoneId?: (number | null) | undefined, portMappings?: Array<ContainerPortMappingRequest> | undefined};

export type AnycastIpProtocolVersion = 'iPv4';

export type AnycastEndpointRequest = {type: AnycastIpProtocolVersion, portMappings: Array<ContainerPortMappingRequest>};

export type EndpointRequest = {displayName: string, cdn?: CdnEndpointRequest | undefined, anycast?: AnycastEndpointRequest | undefined};

export type CreateApiAppsAppIdContainersContainerIdEndpointsArgs = {appId: string, containerId: string, body: EndpointRequest};

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

export const saveEndpointResponse = z.object({id: z.string().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
};

/**
 * Add application endpoint
 * 
 * POST /apps/{appId}/containers/{containerId}/endpoints
 */
export const createApiAppsAppIdContainersContainerIdEndpoints = async (args: CreateApiAppsAppIdContainersContainerIdEndpointsArgs, options?: CreateApiAppsAppIdContainersContainerIdEndpointsOptions) => {
const {baseUrl = "https://api.bunny.net/mc", fetch: fetchFn = fetch, AccessKey} = options ?? {}

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

if (AccessKey !== undefined) headers.set("AccessKey", AccessKey)

const url = `${baseUrl.replace(/\/+$/, '')}/apps/${encodeURIComponent(String(args.appId))}/containers/${encodeURIComponent(String(args.containerId))}/endpoints${query.size > 0 ? `?${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(saveEndpointResponse, await res.json())
};