import {z} from 'zod'

export type CreateApiV2AccountsBulkArgs = {currency?: string | undefined, body: {account_ids: Array<unknown>}};

export type CreateApiV2AccountsBulkOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const ecPreview = z.object({decimals: z.number().int(), id: z.number().int(), image: z.string(), symbol: z.string()});

export const extraCurrency = z.object({amount: z.string(), preview: ecPreview});

export const accountStatus = z.enum(["nonexist", "uninit", "active", "frozen"]);

export const account = z.object({address: z.string(), balance: z.number().int(), currencies_balance: z.record(z.string(), z.unknown()).optional(), extra_balance: z.array(extraCurrency).optional(), get_methods: z.array(z.string()), icon: z.string().optional(), interfaces: z.array(z.string()).optional(), is_scam: z.boolean().optional(), is_suspended: z.boolean().optional(), is_wallet: z.boolean(), last_activity: z.number().int(), memo_required: z.boolean().optional(), name: z.string().optional(), status: accountStatus});

export const accounts = z.object({accounts: z.array(account)});

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 human-friendly information about several accounts without low-level details.
 * 
 * POST /v2/accounts/_bulk
 */
export const createApiV2AccountsBulk = async (args: CreateApiV2AccountsBulkArgs, options?: CreateApiV2AccountsBulkOptions) => {
const {baseUrl = "https://tonapi.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.currency != null) query.append("currency", String(args.currency))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/accounts/_bulk${query.size > 0 ? `?${query}` : ''}`

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