import {z} from 'zod'

export type GetApiClearloopExchangesExchangeIdArgs = {exchangeId: string};

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

export const clearLoopCurrencyCollateralDetails = z.object({buffer: z.string().optional(), currentCollateralBalance: z.string().optional(), settlementCurrency: z.string().optional(), uPnL: z.string().optional(), uPnLExcessDeficit: z.string().optional(), updatedAt: z.string().optional()});

export const clearLoopExchangeCollateralDetails = z.object({currencies: z.array(clearLoopCurrencyCollateralDetails).optional()});

export const clearLoopExchangeSettlementDetails = z.object({frequency: z.string().optional(), nextSettlementTimestamp: z.string().optional()});

export const clearLoopExchangeInformation = z.object({collateralDetails: clearLoopExchangeCollateralDetails.optional(), exchangeId: z.string(), name: z.string(), settlementDetails: clearLoopExchangeSettlementDetails.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 ClearLoop Exchange by ID
 * 
 * GET /clearloop/exchanges/{exchangeId}
 */
export const getApiClearloopExchangesExchangeId = async (args: GetApiClearloopExchangesExchangeIdArgs, options?: GetApiClearloopExchangesExchangeIdOptions) => {
const {baseUrl = "https://api.copper.co/platform", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/clearloop/exchanges/${encodeURIComponent(String(args.exchangeId))}${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(clearLoopExchangeInformation, await res.json())
};