import {z} from 'zod'

export type ModelsClientData = {remoteAddress?: string | undefined, userAgent?: string | undefined};

export type ModelsAuthenticatorSelectionCriteria = {authenticatorAttachment?: ('platform' | 'cross-platform') | undefined, requireResidentKey?: boolean | undefined, userVerification?: ('required' | 'preferred' | 'discouraged') | undefined};

export type ModelsCreateRequest = {operation: 'AUTH' | 'DEREG' | 'REG', username?: string | undefined, userId?: string | undefined, displayName?: string | undefined, clientData?: ModelsClientData | undefined, transaction?: string | undefined, deviceIds?: Array<string> | undefined, authenticatorSelectionCriteria?: ModelsAuthenticatorSelectionCriteria | undefined, attestationConveyancePreference?: ('direct' | 'indirect' | 'none') | undefined, isSecondFactorOnly?: boolean | undefined};

export type CreateApiV1UafRequestsArgs = {body: ModelsCreateRequest};

export type CreateApiV1UafRequestsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const modelsRelyingParty = z.object({id: z.string(), name: z.string(), appId: z.string(), icon: z.string()});

export const modelsClientData = z.object({remoteAddress: z.string().optional(), userAgent: z.string().optional()});

export const modelsLocation = z.object({country: z.string(), region: z.string(), city: z.string()});

export const modelsLink = z.object({rel: z.string(), method: z.string(), href: z.string()});

export const modelsRequestDevice = z.object({deviceId: z.string().optional(), keyName: z.string().optional()});

export const modelsRequestError = z.object({code: z.number().int(), reason: z.string().optional()});

export const modelsHankoRequest = z.object({id: z.string(), operation: z.enum(["AUTH", "DEREG", "REG"]), username: z.string(), userId: z.string(), status: z.enum(["PENDING", "OK", "FAILED", "INVALIDATED"]), createdAt: z.string(), validUntil: z.string(), relyingParty: modelsRelyingParty, clientData: modelsClientData.optional(), location: modelsLocation.optional(), links: z.array(modelsLink), transaction: z.string().optional(), request: z.string(), deviceID: z.string(), device: modelsRequestDevice.optional(), isSecondFactorOnly: z.boolean().optional(), error: modelsRequestError.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
};

/**
 * Create a request for the Hanko Authenticator
 * 
 * POST /v1/uaf/requests
 */
export const createApiV1UafRequests = async (args: CreateApiV1UafRequestsArgs, options?: CreateApiV1UafRequestsOptions) => {
const {baseUrl = "https://.hanko.io/admin", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/uaf/requests${query.size > 0 ? `?${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(modelsHankoRequest, await res.json())
};