import {z} from 'zod'

export type GetQuoteRequest = {accountId?: (string | null) | undefined, currency: string, idempotentId?: (string | null) | undefined, quantity: string, quantityRounding?: boolean | undefined, side: 'BUY' | 'SELL' | 'TWOWAY', tradingPair: string};

export type CreateApiTradingQuoteArgs = {body: GetQuoteRequest};

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

export const amount = z.object({assetType: z.string(), currentPrice: z.string().optional(), currentUSDValue: z.string().optional(), quantity: z.string()});

export const getQuoteRequest = z.object({accountId: z.string().nullable().optional(), currency: z.string(), idempotentId: z.string().max(128).nullable().optional(), quantity: z.string(), quantityRounding: z.boolean().optional(), side: z.enum(["BUY", "SELL", "TWOWAY"]), tradingPair: z.string()});

export const quoteStatus = z.enum(["OPEN", "REJECTED", "EXECUTED"]);

export const quote = z.object({bidAmount: amount.optional(), bidPrice: z.string().optional(), offerAmount: amount.optional(), offerPrice: z.string().optional(), quoteID: z.string(), quoteRequest: getQuoteRequest, quoteStatus: quoteStatus, timestamp: z.string(), validUntilTime: z.string().nullable().optional()});

export const getQuoteResponse = z.object({data: quote});

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
};

/**
 * Request a quote
 * 
 * POST /trading/quote
 */
export const createApiTradingQuote = async (args: CreateApiTradingQuoteArgs, options?: CreateApiTradingQuoteOptions) => {
const {baseUrl = "https://api.anchorage-staging.com/v2", fetch: fetchFn = fetch, ApiAccessKey} = options ?? {}

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

if (ApiAccessKey !== undefined) headers.set("Api-Access-Key", ApiAccessKey)

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