import {z} from 'zod'

export type GetApiV1MarketsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const marketID = z.string();

export const optionMarketSymbol = z.string();

export const assetSymbol = z.string();

export const assetID = z.string();

export const assetValue = z.string();

export const orderTypeAsString = z.string();

export const feeTierId = z.string();

export const feeTier = z.object({feeTierId: feeTierId, staticSpreadFee: z.string(), isDislocationEnabled: z.boolean()});

export const marketTypeAsString = z.enum(["SPOT", "PERPETUAL", "DATED_FUTURE", "OPTION"]);

export const optionType = z.enum(["CALL", "PUT"]);

export const market = z.object({marketId: marketID, symbol: optionMarketSymbol, baseSymbol: assetSymbol, underlyingBaseSymbol: assetSymbol.optional(), quoteSymbol: assetSymbol, underlyingQuoteSymbol: assetSymbol.optional(), quoteAssetId: assetID, baseAssetId: assetID, quotePrecision: z.number().int(), basePrecision: z.number().int(), pricePrecision: z.number().int(), quantityPrecision: z.number().int(), costPrecision: z.number().int(), priceBuffer: z.string(), minQuantityLimit: assetValue, maxQuantityLimit: assetValue, timeZone: z.string(), tickSize: assetValue, liquidityTickSize: z.string(), liquidityPrecision: z.number().int(), roundingCorrectionFactor: z.string(), makerMinLiquidityAddition: z.string(), orderTypes: z.array(orderTypeAsString).optional(), spotTradingEnabled: z.boolean(), marginTradingEnabled: z.boolean(), marketEnabled: z.boolean(), createOrderEnabled: z.boolean(), amendOrderEnabled: z.boolean().optional(), cancelOrderEnabled: z.boolean(), liquidityInvestEnabled: z.boolean(), liquidityWithdrawEnabled: z.boolean(), feeGroupId: z.number().int(), feeTiers: z.array(feeTier), marketType: marketTypeAsString, contractMultiplier: z.number().int().optional(), settlementAssetSymbol: z.string().optional(), openInterestUSD: z.string(), concentrationRiskThresholdUSD: z.string(), concentrationRiskPercentage: z.string(), expiryDatetime: z.string(), optionStrikePrice: z.string().optional(), optionType: optionType.optional(), premiumCapRatio: z.string().optional(), auctionEnabled: z.boolean().optional(), auctionPriceCollar: z.string().optional()});

export const getApiV1MarketsResponse = z.array(market);

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 Markets
 * 
 * GET /v1/markets
 */
export const getApiV1Markets = async (options?: GetApiV1MarketsOptions) => {
const {baseUrl = "https://api.exchange.bullish.com/trading-api", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/markets${query.size > 0 ? `?${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(getApiV1MarketsResponse, await res.json())
};