import {z} from 'zod'

export type GetApiV1OrdersOpenArgs = {orderIds?: string | undefined};

export type GetApiV1OrdersOpenOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const getApiV1OrdersOpenResponse = z.object({networkId: z.string(), contractAddress: z.string(), orders: z.array(z.object({orderId: z.string(), batcherCiphertext: z.string(), transientOrderCommit: z.string(), persistentOrderCommit: z.string(), cancellationCommit: z.string(), firstCoinColor: z.string(), firstCoinValue: z.string(), firstCoinNonce: z.string(), firstCoinMerkleIndex: z.string(), secondCoinColor: z.string().nullable(), secondCoinValue: z.string().nullable(), secondCoinNonce: z.string().nullable(), secondCoinMerkleIndex: z.string().nullable(), candidatePoolId: z.string().nullable(), status: z.enum(["open", "closed"]), openedAtBlockHeight: z.number().int(), openedAtBlockHash: z.string(), openedAtTxId: z.string(), openedAtTxHash: z.string(), openedAtTimestamp: z.number().int(), closedAtBlockHeight: z.number().int().nullable(), closedAtBlockHash: z.string().nullable(), closedAtTxId: z.string().nullable(), closedAtTxHash: z.string().nullable(), closedAtTimestamp: z.number().int().nullable(), closeReason: z.enum(["cancelled", "batched", "unknown_closed"]).nullable()})), requestedOrderIds: z.array(z.string()).optional(), missingOrderIds: z.array(z.string()).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
};

/**
 * List currently open public orders, optionally filtered by orderId.
 * 
 * GET /v1/orders/open
 */
export const getApiV1OrdersOpen = async (args: GetApiV1OrdersOpenArgs, options: GetApiV1OrdersOpenOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.orderIds != null) query.append("orderIds", String(args.orderIds))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/orders/open${query.size > 0 ? `?${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(getApiV1OrdersOpenResponse, await res.json())
};