import {z} from 'zod'

export type MarketInput = {conditionId: string, yesTokenId: string, question: string};

export type OptionInput = {strikeBps: number, expiryMs: number, optionType: 'call' | 'put' | 0 | 1};

export type TradeInput = {side: 'buy' | 'sell' | 'long' | 'short', budgetUsd?: number | undefined, size?: number | undefined};

export type QuoteRequestInput = {wallet?: (string | null) | undefined, market: MarketInput, option: OptionInput, trade: TradeInput};

export type CreateApiQuoteRequestsArgs = {body: QuoteRequestInput};

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

export const quoteRequestCreated = z.object({success: z.literal(true).optional(), requestId: z.string().optional(), expiresAt: z.string().optional(), makersConnected: z.number().int().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
};

/**
 * Create Quote Request
 * 
 * POST /quote-requests
 */
export const createApiQuoteRequests = async (args: CreateApiQuoteRequestsArgs, options?: CreateApiQuoteRequestsOptions) => {
const {baseUrl = "https://api.convallax.com", fetch: fetchFn = fetch} = options ?? {}

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

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