import {z} from 'zod'

export type GetApiCustomerIdPortfolioArgs = {customerId: string, 'api-key': string, 'auth-key': string};

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

export const getApiCustomerIdPortfolioResponse = z.object({status: z.number().int().optional(), doc: z.object({customerId: z.string().optional(), cashAvailable: z.number().optional(), total: z.object({investment: z.number().optional(), currentValue: z.number().optional(), profitAndLoss: z.number().optional(), profitAndLossPercent: z.number().optional()}).optional(), stocks: z.object({investment: z.number().optional(), currentValue: z.number().optional()}).optional(), stacks: z.object({investment: z.number().optional(), currentValue: 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
};

/**
 * Get Portfolio Summary
 * 
 * GET /{customerId}/portfolio
 */
export const getApiCustomerIdPortfolio = async (args: GetApiCustomerIdPortfolioArgs, options?: GetApiCustomerIdPortfolioOptions) => {
const {baseUrl = "https://uatclientapi-v2.stockal.com/client/v2", fetch: fetchFn = fetch} = options ?? {}

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

if (args['api-key'] != null) headers.set("api-key", String(args['api-key']))
if (args['auth-key'] != null) headers.set("auth-key", String(args['auth-key']))

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