import {z} from 'zod'

export type GetApiPortfolioPositionsConidArgs = {conid: number};

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

export const position = z.array(z.object({acctId: z.string().optional(), conid: z.number().int().optional(), contractDesc: z.string().optional(), assetClass: z.string().optional(), position: z.number().optional(), mktPrice: z.number().optional(), mktValue: z.number().optional(), currency: z.string().optional(), avgCost: z.number().optional(), avgPrice: z.number().optional(), realizedPnl: z.number().optional(), unrealizedPnl: z.number().optional(), exchs: z.string().optional(), expiry: z.string().optional(), putOrCall: z.string().optional(), multiplier: z.number().optional(), strike: z.number().optional(), exerciseStyle: z.string().optional(), undConid: z.number().int().optional(), conExchMap: z.array(z.string()).optional(), baseMktValue: z.number().optional(), baseMktPrice: z.number().optional(), baseAvgCost: z.number().optional(), baseAvgPrice: z.number().optional(), baseRealizedPnl: z.number().optional(), baseUnrealizedPnl: z.number().optional(), name: z.string().optional(), lastTradingDay: z.string().optional(), group: z.string().optional(), sector: z.string().optional(), sectorGroup: z.string().optional(), ticker: z.string().optional(), undComp: z.string().optional(), undSym: z.string().optional(), fullName: z.string().optional(), pageSize: z.number().int().optional(), model: z.string().optional()}));

export const getApiPortfolioPositionsConidResponse = z.object({ACCTID: position.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
};

/**
 * Positions by Conid
 * 
 * GET /portfolio/positions/{conid}
 */
export const getApiPortfolioPositionsConid = async (args: GetApiPortfolioPositionsConidArgs, options?: GetApiPortfolioPositionsConidOptions) => {
const {baseUrl = "http://localhost:5000/v1/api", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/portfolio/positions/${encodeURIComponent(String(args.conid))}${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(getApiPortfolioPositionsConidResponse, await res.json())
};