import {z} from 'zod'

export type GetApiBetaEndusersUserIdArgs = {userId: string};

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

export const customAttribute = z.object({id: z.string(), name: z.string(), identifier: z.string(), value: z.union([z.array(z.string()), z.string()])});

export const endUser = z.object({id: z.string(), createdAt: z.string(), displayName: z.string().optional(), email: z.string().optional(), phoneNumber: z.string().optional(), additionalEmails: z.array(z.string()).optional(), additionalPhoneNumbers: z.array(z.string()).optional(), firstName: z.string().optional(), lastName: z.string().optional(), middleNames: z.array(z.string()).optional(), avatarUrl: z.string().optional(), externalId: z.string().optional(), customAttributes: z.array(customAttribute).optional()});

export const getEndUserOutput = z.object({data: endUser});

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 end user
 * 
 * GET /beta/endusers/{userId}
 */
export const getApiBetaEndusersUserId = async (args: GetApiBetaEndusersUserIdArgs, options?: GetApiBetaEndusersUserIdOptions) => {
const {baseUrl = "https://dev.dixa.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/beta/endusers/${encodeURIComponent(String(args.userId))}${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(getEndUserOutput, await res.json())
};