import {z} from 'zod'

export type GetApiV1AccountsAccountIdGainlossArgs = {account_id: string, Accept: 'application/json', page?: number | undefined, limit?: number | undefined, sortBy?: ('closeDate' | 'openDate') | undefined, sort?: ('asc' | 'desc') | undefined};

export type GetApiV1AccountsAccountIdGainlossOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const closedPosition = z.object({close_date: z.string().optional(), cost: z.number().optional(), gain_loss: z.number().optional(), gain_loss_percent: z.number().optional(), open_date: z.string().optional(), proceeds: z.number().optional(), quantity: z.number().optional(), symbol: z.string().optional(), term: z.number().int().optional()});

export const gainLossResponse = z.object({gainloss: z.object({closed_position: z.array(closedPosition).optional(), page: z.number().int().optional(), total_pages: z.number().int().optional(), total_positions: z.number().int().optional()}).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
};

/**
 * Get Account Gain/Loss
 * 
 * GET /v1/accounts/{account_id}/gainloss
 */
export const getApiV1AccountsAccountIdGainloss = async (args: GetApiV1AccountsAccountIdGainlossArgs, options?: GetApiV1AccountsAccountIdGainlossOptions) => {
const {baseUrl = "https://api.tradier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.Accept != null) headers.set("Accept", String(args.Accept))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sort != null) query.append("sort", String(args.sort))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/accounts/${encodeURIComponent(String(args.account_id))}/gainloss${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(gainLossResponse, await res.json())
};