import {z} from 'zod'

export type GetApiScimProviderNameUsersUserEmailArgs = {user_email: string, provider_name: string};

export type GetApiScimProviderNameUsersUserEmailOptions = {baseUrl: string, OAuth2AuthorizationCodeBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const resourceMetaRead = z.object({resourceType: z.string()});

export const userReasourceNameRead = z.object({givenName: z.string()});

export const userResourceEmailRead = z.object({value: z.string(), type: z.string(), primary: z.boolean()});

export const userResourceRead = z.object({schemas: z.array(z.string()), id: z.string(), meta: resourceMetaRead, userName: z.string(), name: userReasourceNameRead, active: z.boolean(), emails: z.array(userResourceEmailRead)});

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 User Cloud
 * 
 * GET /scim/{provider_name}/Users/{user_email}
 */
export const getApiScimProviderNameUsersUserEmail = async (args: GetApiScimProviderNameUsersUserEmailArgs, options: GetApiScimProviderNameUsersUserEmailOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth2AuthorizationCodeBearer} = options ?? {}

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

if (OAuth2AuthorizationCodeBearer !== undefined) headers.set('authorization', `Bearer ${OAuth2AuthorizationCodeBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/scim/${encodeURIComponent(String(args.provider_name))}/Users/${encodeURIComponent(String(args.user_email))}${query.size > 0 ? `?${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(userResourceRead, await res.json())
};