import {z} from 'zod'

export type UUID = string;

export type GetApiV0PortfoliosArgs = {investorId: UUID};

export type GetApiV0PortfoliosOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const uUID = z.string();

export const network = z.enum(["Ethereum", "Polygon", "Base", "Arbitrum", "ArbitrumUk", "Etherlink", "Starknet", "Stellar", "Solana"]);

export const evmAddress = z.string();

export const starknetAddress = z.string();

export const stellarAccountAddress = z.string();

export const stellarContractAddress = z.string();

export const solanaAddress = z.string();

export const currencyCode = z.enum(["EUR", "USD", "GBP", "CHF", "JPY", "SGD", "SEK", "NOK", "DKK", "PLN", "HUF", "CZK"]);

export const nonNegativeAmount = z.object({value: z.string(), currency: currencyCode});

export const nonNegativeInt = z.number().int().gte(0).lte(9007199254740991);

export const amount = z.object({value: z.string(), currency: currencyCode});

export const getApiV0PortfoliosResponse = z.object({items: z.array(z.object({investorId: uUID, accountId: uUID, shareClassId: uUID, network: network, walletAddress: z.union([evmAddress, starknetAddress, stellarAccountAddress, stellarContractAddress, solanaAddress]), totalNumberOfShares: z.string(), currentValue: nonNegativeAmount, isCustodialWallet: z.boolean(), pending: z.object({credit: z.object({numberOfSubscriptions: nonNegativeInt, amount: nonNegativeAmount, approximated: z.boolean()}), debit: z.object({numberOfRedemptions: nonNegativeInt, approximated: z.boolean(), amount: nonNegativeAmount})}), projectedBalance: nonNegativeAmount, projectedBalanceInShares: z.string(), withdrawableBalance: nonNegativeAmount, withdrawableBalanceInShares: z.string(), virtualIban: z.string().optional(), bic: z.string().optional(), depositIbanLines: z.array(z.object({label: z.string(), value: z.string(), tooltip: z.string().optional()})).optional(), cashCollectionBankAccountBeneficiaryName: z.string().min(1).optional()})), totalGainSinceStart: z.array(z.object({investorId: uUID, accountId: uUID, shareClassId: uUID, totalGainAmount: amount}))});

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
 * 
 * GET /v0/portfolios/
 */
export const getApiV0Portfolios = async (args: GetApiV0PortfoliosArgs, options?: GetApiV0PortfoliosOptions) => {
const {baseUrl = "https://distributor-api.spiko.io", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.investorId != null) query.append("investorId", String(args.investorId))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v0/portfolios/${query.size > 0 ? `?${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(getApiV0PortfoliosResponse, await res.json())
};