import {z} from 'zod'

export type RegistryType = 'dockerHub' | 'gitHub' | 'bunnyRegistry' | 'oci';

export type Credentials = {userName: string, password: string};

export type ContainerRegistryRequest = {displayName: string, type?: RegistryType | undefined, hostName?: (string | null) | undefined, passwordCredentials?: Credentials | undefined};

export type CreateApiRegistriesArgs = {body: ContainerRegistryRequest};

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

export const savedContainerRegistryStatus = z.enum(["saved", "secretsValidationFailed", "unknownErrorOccured", "notFound", "invalidInput"]);

export const saveContainerRegistryResult = z.object({id: z.number().int().nullable().optional(), error: z.string().nullable().optional(), status: savedContainerRegistryStatus.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 container registry
 * 
 * POST /registries
 */
export const createApiRegistries = async (args: CreateApiRegistriesArgs, options?: CreateApiRegistriesOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/registries${query.size > 0 ? `?${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(saveContainerRegistryResult, await res.json())
};