import {z} from 'zod'

export type GetApiV1SettingsBalanceOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const accountsAccountLedgerMeta = z.object({id: z.string().nullable(), payable_id: z.string().nullable(), receivable_id: z.string().nullable()});

export const sharedSelfLink = z.string();

export const accountsAccountLinks = z.object({self: sharedSelfLink});

export const accountsAccountBalanceTypeDetails = z.object({available_amount: z.string(), is_usable: z.boolean(), pending_amount: z.string()});

export const accountsAccountBalance = z.object({object: z.literal("Account"), id: z.string(), created_at: z.string(), is_deleted: z.boolean(), is_disabled: z.boolean(), is_usable_for_payables: z.boolean(), is_usable_for_receivables: z.boolean(), is_valid: z.boolean(), ledger: accountsAccountLedgerMeta, name: z.string().max(128), type: z.literal("balance"), links: accountsAccountLinks, type_details: accountsAccountBalanceTypeDetails});

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
};

/**
 * Retrieve Routable Balance Account
 * 
 * GET /v1/settings/balance
 */
export const getApiV1SettingsBalance = async (options?: GetApiV1SettingsBalanceOptions) => {
const {baseUrl = "https://api.routable.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/settings/balance${query.size > 0 ? `?${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(accountsAccountBalance, await res.json())
};