import {z} from 'zod'

export type PatchScimUserRequest = {schemas: Array<string>, Operations: Array<{op: 'add' | 'remove' | 'replace'}>};

export type PatchApiScimUsersIdArgs = {id: string, body: PatchScimUserRequest};

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

export const scimUser = z.object({id: z.string(), externalId: z.string(), meta: z.object({created: z.string().optional(), lastModified: z.string().optional(), version: z.string().optional()}), schemas: z.array(z.string()), userName: z.string(), displayName: z.string().optional(), preferredLanguage: z.string().optional(), locale: z.string().optional(), timezone: z.string().optional(), active: z.boolean(), emails: z.array(z.object({value: z.string().optional(), type: z.string().optional(), primary: z.boolean().optional()})), phoneNumbers: z.array(z.object({value: z.string().optional(), type: z.string().optional()})), groups: z.array(z.object({display: z.string().optional(), value: z.string().optional()})).optional(), name: z.object({familyName: z.string().optional(), givenName: z.string().optional()}), "urn:okta:onprem_app:1.0:user:custom": z.object({roleUUID: 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
};

/**
 * Patch SCIM User
 * 
 * PATCH /scim/Users/{id}
 */
export const patchApiScimUsersId = async (args: PatchApiScimUsersIdArgs, options?: PatchApiScimUsersIdOptions) => {
const {baseUrl = "https://api.attention.tech/v2", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/scim/Users/${encodeURIComponent(String(args.id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(scimUser, await res.json())
};