import {z} from 'zod'

export type GetApiOpenBankingMandatesArgs = {'Company-Id'?: string | undefined, Mid?: string | undefined, offset?: number | undefined, limit?: number | undefined, customer_id?: string | undefined, bank_id?: string | undefined, reference?: string | undefined, type?: ('SWEEPING' | 'COMMERCIAL') | undefined, transaction_id?: string | undefined};

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

export const isoCurrency = z.string().min(3).max(3);

export const openBankingMandate = z.object({id: z.string().optional(), bank_id: z.string().optional(), type: z.enum(["SWEEPING", "COMMERCIAL"]).optional(), status: z.enum(["awaiting_initiation", "awaiting_authorization", "authorized", "expired", "rejected", "cancelled", "unknown"]).optional(), reference: z.string().optional(), currency: isoCurrency.optional(), debtor: z.object({customer_id: z.string().optional(), account_number: z.string().optional(), sort_code: z.string().optional(), account_name: z.string().optional()}).optional(), periodic_limit: z.record(z.string(), z.unknown()).optional(), term: z.record(z.string(), z.unknown()).optional(), created_at: z.string().optional()}).and(z.record(z.string(), z.unknown()));

export const openBankingMandateListPaged = z.object({meta: z.object({count: z.number().int().optional(), offset: z.number().int().optional(), limit: z.number().int().optional(), total: z.number().int().optional(), links: z.array(z.object({rel: z.enum(["self", "first", "last", "prev", "next"]).optional(), href: z.string().optional(), title: z.string().optional()})).optional()}).optional(), data: z.array(openBankingMandate).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
};

/**
 * List open banking mandates
 * 
 * GET /open-banking/mandates
 */
export const getApiOpenBankingMandates = async (args: GetApiOpenBankingMandatesArgs, options?: GetApiOpenBankingMandatesOptions) => {
const {baseUrl = "https://test-api.acquired.com/v1", fetch: fetchFn = fetch, token} = options ?? {}

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

if (args['Company-Id'] != null) headers.set("Company-Id", String(args['Company-Id']))
if (args.Mid != null) headers.set("Mid", String(args.Mid))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.customer_id != null) query.append("customer_id", String(args.customer_id))
if (args.bank_id != null) query.append("bank_id", String(args.bank_id))
if (args.reference != null) query.append("reference", String(args.reference))
if (args.type != null) query.append("type", String(args.type))
if (args.transaction_id != null) query.append("transaction_id", String(args.transaction_id))
if (token !== undefined) headers.set('authorization', `Bearer ${token}`)

const url = `${baseUrl.replace(/\/+$/, '')}/open-banking/mandates${query.size > 0 ? `?${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(openBankingMandateListPaged, await res.json())
};