import {z} from 'zod'

export type GetApiV1SettingsAccountsArgs = {page?: number | undefined, page_size?: number | undefined};

export type GetApiV1SettingsAccountsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const sharedSelfLink = z.string();

export const sharedListLinks = z.object({self: sharedSelfLink, next: z.string().nullable().optional(), prev: z.string().nullable().optional()});

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

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

export const accountsAccountBankTypeDetails = z.object({account_number: z.string(), account_type: z.enum(["checking", "savings"]), institution_name: z.string(), logo: z.string().optional(), primary_color: z.string().min(4).max(7).optional(), routing_number: z.string().min(9).max(9)});

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

export const accountsAccountExternalTypeDetails = z.object({});

export const accountsAccountPayPalTypeDetails = z.object({});

export const accountsAccount = z.discriminatedUnion("type", [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("bank"), links: accountsAccountLinks, type_details: accountsAccountBankTypeDetails}), 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}), 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("external"), links: accountsAccountLinks, type_details: accountsAccountExternalTypeDetails}), 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("paypal"), links: accountsAccountLinks, type_details: accountsAccountPayPalTypeDetails})]);

export const accountsAccountList = z.object({object: z.literal("List"), links: sharedListLinks, results: z.array(accountsAccount)});

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
};

/**
 * List Accounts
 * 
 * GET /v1/settings/accounts
 */
export const getApiV1SettingsAccounts = async (args: GetApiV1SettingsAccountsArgs, options?: GetApiV1SettingsAccountsOptions) => {
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 (args.page != null) query.append("page", String(args.page))
if (args.page_size != null) query.append("page_size", String(args.page_size))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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