import {z} from 'zod'

export type GetApiAccountsAccountIdStatementsArgs = {accountId: string};

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

export const statement = z.object({id: z.string(), accountId: z.string(), userId: z.string(), providerStatementId: z.string(), providerAccountId: z.string(), reference: z.string().optional(), type: z.enum(["AccountClosure", "AccountOpening", "Annual", "Interim", "RegularPeriodic"]), startDate: z.string(), endDate: z.string(), creationDate: z.string(), description: z.string().optional(), benefits: z.array(z.object({type: z.string().optional(), amount: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()}).optional()})).optional(), fees: z.array(z.object({description: z.string().optional(), creditDebitIndicator: z.string(), type: z.string(), rate: z.string().optional(), rateType: z.enum(["BOEBaseRate", "FixedRate", "Gross", "LoanProviderBaseRate", "Net"]).optional(), frequency: z.enum(["ChargingPeriod", "PerTransactionAmount", "PerTransactionPercentage", "Quarterly", "StatementMonthly", "Weekly"]).optional(), amount: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()})})).optional(), interest: z.array(z.object({description: z.string().optional(), creditDebitIndicator: z.string().optional(), rate: z.string().optional(), rateType: z.enum(["BOEBaseRate", "FixedRate", "Gross", "LoanProviderBaseRate", "Net"]).optional(), frequency: z.enum(["Daily", "HalfYearly", "Monthly", "PerStatementDate", "Quarterly", "Weekly", "Yearly"]).optional(), type: z.string().optional(), amount: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()})})).optional(), amounts: z.array(z.object({creditDebitIndicator: z.string(), type: z.string(), amount: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()}), amountSubType: z.enum(["BaseCurrency", "LocalCurrency"]).optional(), localAmount: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()}).optional(), localAmountSubType: z.enum(["BaseCurrency", "LocalCurrency"]).optional()})).optional(), dates: z.array(z.object({date: z.string(), type: z.string()})).optional(), rates: z.array(z.object({rate: z.string(), type: z.string()})).optional(), values: z.array(z.object({value: z.string(), type: z.string()})).optional(), totalValue: z.object({value: z.number().int(), majorUnits: z.number().int().optional(), minorUnits: z.number().int().optional(), currency: z.string()}).optional(), currency: z.string().optional()});

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

export const getApiAccountsAccountIdStatementsResponse = z.object({data: z.array(statement).optional(), links: links.optional(), meta: z.object({}).optional()});

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 the statements for an account
 * 
 * GET /accounts/{accountId}/statements
 */
export const getApiAccountsAccountIdStatements = async (args: GetApiAccountsAccountIdStatementsArgs, options?: GetApiAccountsAccountIdStatementsOptions) => {
const {baseUrl = "https://api.moneyhub.co.uk/v2.0", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/accounts/${encodeURIComponent(String(args.accountId))}/statements${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(getApiAccountsAccountIdStatementsResponse, await res.json())
};