import {z} from 'zod'

export type GetApiEntityGroupsEntityTokenOrExternalIdOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const getEntityGroupResponse = z.object({entity_group_token: z.string().optional(), entity_group_name: z.string().optional(), entity_group_type: z.enum(["business", "joint_account", "membership", "merchant"]).optional(), created_at: z.string().optional(), archived_at: z.string().optional(), entity_group_external_identifiers: z.array(z.string()).optional(), entity_group_relationships: z.array(z.object({entity_token: z.string().optional(), name: z.string().optional(), type: z.enum(["person", "business"]).optional(), ownership_percentage: z.string().optional(), title: z.string().optional(), relationship_created_at: z.string().optional(), roles: z.array(z.enum(["primary", "shareholder", "secondary", "beneficiary", "beneficial_owner", "control_prong", "director", "authorized_signer", "principal_owner", "coborrower", "joint", "guarantor"])).optional(), bank_accounts: z.array(z.object({bank_account_token: z.string().optional(), external_account_id: z.string().optional(), account_holder_type: z.enum(["primary", "secondary", "power_of_attorney", "authorized_signer", "authorized_user", "beneficiary", "joint_owner", "custodian", "guardian", "trustee"]).optional()})).optional()})).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
};

/**
 * Get information about an Entity Group
 * 
 * GET /entity-groups/{entity_token_or_external_id}
 * 
 * Also accepts auth: basic
 */
export const getApiEntityGroupsEntityTokenOrExternalId = async (options?: GetApiEntityGroupsEntityTokenOrExternalIdOptions) => {
const {baseUrl = "https://sandbox.alloy.co/v1", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/entity-groups/${encodeURIComponent(String(args.entity_token_or_external_id))}${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(getEntityGroupResponse, await res.json())
};