import {z} from 'zod'

export type GetApiV1CustomersBusinessesShareholdersShareholderIdArgs = {shareholder_id: unknown};

export type GetApiV1CustomersBusinessesShareholdersShareholderIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const shareholderType = z.enum(["shareholder", "business_shareholder"]);

export const getShareholderResponse = z.union([z.object({shareholder: z.object({dob: z.string(), first_name: z.string(), id_number: z.string(), id_type: z.string(), last_name: z.string(), middle_name: z.string().nullable().optional(), pob: z.string()}), holding_percent: z.number().int().gte(0), shareholder_of: z.string().nullable().optional(), shareholder_type: shareholderType}), z.object({business_shareholder: z.object({name: z.string(), registration_number: z.string()}), holding_percent: z.number().int().gte(0), shareholder_of: z.string().nullable().optional(), shareholder_type: shareholderType})]);

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 a shareholder
 * 
 * GET /v1/customers/businesses/shareholders/{shareholder_id}
 */
export const getApiV1CustomersBusinessesShareholdersShareholderId = async (args: GetApiV1CustomersBusinessesShareholdersShareholderIdArgs, options?: GetApiV1CustomersBusinessesShareholdersShareholderIdOptions) => {
const {baseUrl = "https://auth-sandbox.fuse.me", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/customers/businesses/shareholders/${encodeURIComponent(String(args.shareholder_id))}${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(getShareholderResponse, await res.json())
};