import {z} from 'zod'

export type CreateApiApiV4CollateralAccountPositionsOpenArgs = {body: {market?: string | undefined, request?: string | undefined, nonce?: number | undefined}};

export type CreateApiApiV4CollateralAccountPositionsOpenOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, PayloadAuth?: string | undefined, SignatureAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiV4CollateralAccountPositionsOpenResponse = z.array(z.object({positionId: z.number().int().optional(), market: z.string().optional(), amount: z.string().optional(), basePrice: z.string().optional(), pnl: z.string().optional(), pnlPercent: z.string().optional(), margin: z.string().optional(), freeMargin: z.string().optional(), funding: z.string().optional(), unrealizedPnl: z.string().optional(), positionSide: z.enum(["LONG", "SHORT", "BOTH"]).optional(), openDate: z.number().optional(), modifyDate: z.number().optional(), liquidationPrice: z.string().nullable().optional(), liquidationState: z.enum(["margin_call", "liquidation"]).nullable().optional(), tpsl: z.object({takeProfitId: z.number().int().optional(), takeProfit: z.string().optional(), stopLossId: z.number().int().optional(), stopLoss: z.string().optional()}).nullable().optional(), unrealizedFunding: z.string().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
};

/**
 * Open Positions
 * 
 * POST /api/v4/collateral-account/positions/open
 */
export const createApiApiV4CollateralAccountPositionsOpen = async (args: CreateApiApiV4CollateralAccountPositionsOpenArgs, options?: CreateApiApiV4CollateralAccountPositionsOpenOptions) => {
const {baseUrl = "https://whitebit.com", fetch: fetchFn = fetch, ApiKeyAuth, PayloadAuth, SignatureAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-TXC-APIKEY", ApiKeyAuth)
if (PayloadAuth !== undefined) headers.set("X-TXC-PAYLOAD", PayloadAuth)
if (SignatureAuth !== undefined) headers.set("X-TXC-SIGNATURE", SignatureAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v4/collateral-account/positions/open${query.size > 0 ? `?${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(createApiApiV4CollateralAccountPositionsOpenResponse, await res.json())
};