import {z} from 'zod'

export type GetApiCrescentLiquidityV1beta1OrderBooksArgs = {pair_ids?: Array<unknown> | undefined, price_unit_powers?: Array<number> | undefined, num_ticks?: number | undefined};

export type GetApiCrescentLiquidityV1beta1OrderBooksOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const getApiCrescentLiquidityV1beta1OrderBooksResponse = z.object({pairs: z.array(z.object({pair_id: z.string().optional(), base_price: z.string().optional(), order_books: z.array(z.object({price_unit: z.string().optional(), sells: z.array(z.object({price: z.string().optional(), user_order_amount: z.string().optional(), pool_order_amount: z.string().optional()})).optional(), buys: z.array(z.object({price: z.string().optional(), user_order_amount: z.string().optional(), pool_order_amount: z.string().optional()})).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 /crescent/liquidity/v1beta1/order_books
 */
export const getApiCrescentLiquidityV1beta1OrderBooks = async (args: GetApiCrescentLiquidityV1beta1OrderBooksArgs, options: GetApiCrescentLiquidityV1beta1OrderBooksOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.pair_ids ?? []) query.append("pair_ids", String(item))
for (const item of args.price_unit_powers ?? []) query.append("price_unit_powers", String(item))
if (args.num_ticks != null) query.append("num_ticks", String(args.num_ticks))

const url = `${baseUrl.replace(/\/+$/, '')}/crescent/liquidity/v1beta1/order_books${query.size > 0 ? `?${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(getApiCrescentLiquidityV1beta1OrderBooksResponse, await res.json())
};