import {z} from 'zod'

export type CommonDID = string;

export type BlockchainAddressQuerySource = 'ADDRESS_GRAPH';

export type QuerySourceType = 'INTERNAL' | 'EXTERNAL';

export type PaginationPage = number;

export type PaginationPerPage = number;

export type GetApiV1AddressesArgs = {vasp_did: CommonDID, source: BlockchainAddressQuerySource, source_type?: QuerySourceType | undefined, page?: PaginationPage | undefined, per_page?: PaginationPerPage | undefined};

export type GetApiV1AddressesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const paginationPage = z.number().int();

export const paginationPerPage = z.number().int();

export const blockchainAddressQuerySource = z.literal("ADDRESS_GRAPH");

export const blockchainAddress = z.string();

export const address = z.object({address: blockchainAddress.optional(), owner_vasp_did: z.string().optional(), customer_did: z.string().optional(), customer_ref: z.string().optional()});

export const addressesResponse = z.object({pagination: z.object({page: paginationPage.optional(), per_page: paginationPerPage.optional(), total: z.number().int().optional()}).optional(), metadata: z.object({source: blockchainAddressQuerySource.optional()}).optional(), data: z.array(address).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 addresses registered
 * 
 * GET /v1/addresses
 */
export const getApiV1Addresses = async (args: GetApiV1AddressesArgs, options?: GetApiV1AddressesOptions) => {
const {baseUrl = "https://api.eu1.notabene.id", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.vasp_did != null) query.append("vasp_did", String(args.vasp_did))
if (args.source != null) query.append("source", String(args.source))
if (args.source_type != null) query.append("source_type", String(args.source_type))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/addresses${query.size > 0 ? `?${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(addressesResponse, await res.json())
};