import {z} from 'zod'

export type GetApiPlansPlanIdAccountsAccountIdTransactionsArgs = {plan_id: string, account_id: string, since_date?: string | undefined, until_date?: string | undefined, type?: ('uncategorized' | 'unapproved') | undefined, last_knowledge_of_server?: number | undefined};

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

export const transactionClearedStatus = z.enum(["cleared", "uncleared", "reconciled"]);

export const transactionFlagColor = z.enum(["red", "orange", "yellow", "green", "blue", "purple", "", "null"]).nullable();

export const transactionFlagName = z.string().nullable();

export const subTransaction = z.object({id: z.string(), transaction_id: z.string(), amount: z.number().int(), memo: z.string().nullable().optional(), payee_id: z.string().nullable().optional(), payee_name: z.string().nullable().optional(), category_id: z.string().nullable().optional(), category_name: z.string().nullable().optional(), transfer_account_id: z.string().nullable().optional(), transfer_transaction_id: z.string().nullable().optional(), deleted: z.boolean(), amount_formatted: z.string().optional(), amount_currency: z.number().optional()});

export const transactionDetail = z.object({id: z.string(), date: z.string(), amount: z.number().int(), memo: z.string().nullable().optional(), cleared: transactionClearedStatus, approved: z.boolean(), flag_color: transactionFlagColor.optional(), flag_name: transactionFlagName.optional(), account_id: z.string(), payee_id: z.string().nullable().optional(), category_id: z.string().nullable().optional(), transfer_account_id: z.string().nullable().optional(), transfer_transaction_id: z.string().nullable().optional(), matched_transaction_id: z.string().nullable().optional(), import_id: z.string().nullable().optional(), import_payee_name: z.string().nullable().optional(), import_payee_name_original: z.string().nullable().optional(), debt_transaction_type: z.enum(["payment", "refund", "fee", "interest", "escrow", "balanceAdjustment", "credit", "charge", "null"]).nullable().optional(), deleted: z.boolean(), amount_formatted: z.string().optional(), amount_currency: z.number().optional(), account_name: z.string(), payee_name: z.string().nullable().optional(), category_name: z.string().nullable().optional(), subtransactions: z.array(subTransaction)});

export const transactionsResponse = z.object({data: z.object({transactions: z.array(transactionDetail), server_knowledge: z.number().int()})});

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 account transactions
 * 
 * GET /plans/{plan_id}/accounts/{account_id}/transactions
 */
export const getApiPlansPlanIdAccountsAccountIdTransactions = async (args: GetApiPlansPlanIdAccountsAccountIdTransactionsArgs, options?: GetApiPlansPlanIdAccountsAccountIdTransactionsOptions) => {
const {baseUrl = "https://api.ynab.com/v1", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.since_date != null) query.append("since_date", String(args.since_date))
if (args.until_date != null) query.append("until_date", String(args.until_date))
if (args.type != null) query.append("type", String(args.type))
if (args.last_knowledge_of_server != null) query.append("last_knowledge_of_server", String(args.last_knowledge_of_server))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/plans/${encodeURIComponent(String(args.plan_id))}/accounts/${encodeURIComponent(String(args.account_id))}/transactions${query.size > 0 ? `?${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(transactionsResponse, await res.json())
};