import {z} from 'zod'

export type CustomRoutingDest = {scheme: 'CUSTOM', dstType: 'FIAT_ACCOUNT' | 'VAULT' | 'EXCHANGE', dstId: string};

export type DefaultNetworkRoutingDest = {scheme: 'DEFAULT'};

export type NoneNetworkRoutingDest = {scheme: 'NONE'};

export type NetworkConnectionRoutingPolicy = {[key: string]: CustomRoutingDest | DefaultNetworkRoutingDest | NoneNetworkRoutingDest};

export type NetworkConnection = {localNetworkId: string, remoteNetworkId: string, routingPolicy?: NetworkConnectionRoutingPolicy | undefined};

export type CreateApiNetworkConnectionsArgs = {'Idempotency-Key'?: string | undefined, body: NetworkConnection};

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

export const networkChannel = z.object({networkId: z.string().optional(), name: z.string().optional()});

export const networkConnectionStatus = z.enum(["WAITING_FOR_APPROVAL", "WAITING_FOR_PEER_APPROVAL", "APPROVED", "CANCELLED", "FAILED", "REJECTED", "REJECTED_BY_PEER", "REMOVED", "REMOVED_BY_PEER"]);

export const networkId = z.object({id: z.string(), name: z.string()});

export const customRoutingDest = z.object({scheme: z.literal("CUSTOM"), dstType: z.enum(["FIAT_ACCOUNT", "VAULT", "EXCHANGE"]), dstId: z.string()});

export const defaultNetworkRoutingDest = z.object({scheme: z.literal("DEFAULT")});

export const noneNetworkRoutingDest = z.object({scheme: z.literal("NONE")});

export const networkConnectionRoutingPolicy = z.record(z.string(), z.union([customRoutingDest, defaultNetworkRoutingDest, noneNetworkRoutingDest]));

export const networkConnectionResponse = z.object({id: z.string(), localChannel: networkChannel.optional(), remoteChannel: networkChannel.optional(), status: networkConnectionStatus, localNetworkId: networkId, remoteNetworkId: networkId, routingPolicy: networkConnectionRoutingPolicy});

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
};

/**
 * Create a new network connection
 * 
 * POST /network_connections
 */
export const createApiNetworkConnections = async (args: CreateApiNetworkConnectionsArgs, options?: CreateApiNetworkConnectionsOptions) => {
const {baseUrl = "https://api.fireblocks.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))

const url = `${baseUrl.replace(/\/+$/, '')}/network_connections${query.size > 0 ? `?${query}` : ''}`

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