import {z} from 'zod'

export type DeleteApiV2UserAccountsServerAccountIdPositionsInstrumentArgs = {server: 'oanda' | 'oanda-demo' | 'otms' | 'v20' | 'v20-demo' | 'oj' | 'oj-demo' | 'opt' | 'ftmo-1', accountId: string, instrument: string, body: {quantity: number, instrument: string, direction: 'LONG' | 'SHORT', executionMode?: ('MARKET' | 'EXCHANGE') | undefined, fillType?: ('FOK' | 'IOC' | 'RETURN') | undefined, trackingData?: ({instrumentCategory?: string | undefined, instrumentCategoryCountry?: string | undefined, isCFD?: boolean | undefined}) | undefined}};

export type DeleteApiV2UserAccountsServerAccountIdPositionsInstrumentOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const deleteApiV2UserAccountsServerAccountIdPositionsInstrumentResponse = z.object({id: z.string(), transactionId: z.string()});

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
};

/**
 * DELETE /v2/user/accounts/{server}/{accountId}/positions/{instrument}
 */
export const deleteApiV2UserAccountsServerAccountIdPositionsInstrument = async (args: DeleteApiV2UserAccountsServerAccountIdPositionsInstrumentArgs, options: DeleteApiV2UserAccountsServerAccountIdPositionsInstrumentOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/user/accounts/${encodeURIComponent(String(args.server))}/${encodeURIComponent(String(args.accountId))}/positions/${encodeURIComponent(String(args.instrument))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "DELETE", 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(deleteApiV2UserAccountsServerAccountIdPositionsInstrumentResponse, await res.json())
};