import {z} from 'zod'

export type GetApiPortfolioAccountIdAllocationArgs = {accountId: string};

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

export const allocation = z.array(z.object({assetClass: z.object({long: z.object({STK: z.number().optional(), OPT: z.number().optional(), FUT: z.number().optional(), WAR: z.number().optional(), BOND: z.number().optional(), CASH: z.number().optional()}).optional(), short: z.object({STK: z.number().optional(), OPT: z.number().optional(), FUT: z.number().optional(), WAR: z.number().optional(), BOND: z.number().optional(), CASH: z.number().optional()}).optional()}).optional(), sector: z.object({long: z.object({Others: z.number().optional(), Utilities: z.number().optional(), Energy: z.number().optional(), Technology: z.number().optional(), Financial: z.number().optional(), Communications: z.number().optional()}).optional(), short: z.object({Industrial: z.number().optional(), Consumer: z.number().optional(), Diversified: z.number().optional()}).optional()}).optional(), group: z.object({long: z.object({Computers: z.number().optional(), Semiconductors: z.number().optional(), Others: z.number().optional(), Chemicals: z.number().optional(), Apparel: z.number().optional(), Communications: z.number().optional()}).optional(), short: z.object({Banks: z.number().optional(), Airlines: z.number().optional(), Internet: z.number().optional()}).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
};

/**
 * Account Allocation
 * 
 * GET /portfolio/{accountId}/allocation
 */
export const getApiPortfolioAccountIdAllocation = async (args: GetApiPortfolioAccountIdAllocationArgs, options?: GetApiPortfolioAccountIdAllocationOptions) => {
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/${encodeURIComponent(String(args.accountId))}/allocation${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(allocation, await res.json())
};