import {z} from 'zod'

export type GetApiApiV1TransactionsArgs = {cardTokens?: string | undefined, before?: string | undefined, after?: string | undefined, billingCurrency?: string | undefined, transactionCurrency?: string | undefined, mcc?: string | undefined, transactionType?: string | undefined};

export type GetApiApiV1TransactionsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const country = z.object({name: z.string().optional(), numeric: z.string().optional(), alpha2: z.string().optional(), alpha3: z.string().optional()});

export const currency = z.object({symbol: z.string().optional(), code: z.string().optional(), decimals: z.number().int().optional(), name: z.string().optional()});

export const transaction = z.object({status: z.enum(["Unsubmitted", "Unconfirmed", "ExecReverted", "ExecSuccess"]).optional(), to: z.string().optional(), value: z.string().optional(), data: z.string().optional(), hash: z.string().nullable().optional()});

export const payment = z.object({threadId: z.string().optional(), createdAt: z.string().optional(), clearedAt: z.string().nullable().optional(), country: country.optional(), isPending: z.boolean().optional(), impactsCashback: z.boolean().nullable().optional(), mcc: z.string().optional(), merchant: z.object({name: z.string().optional(), city: z.string().optional(), country: country.optional()}).optional(), billingAmount: z.string().optional(), billingCurrency: currency.optional(), transactionAmount: z.string().optional(), transactionCurrency: currency.optional(), transactionType: z.string().optional(), cardToken: z.string().optional(), transactions: z.array(transaction).optional(), kind: z.literal("Payment").optional(), status: z.enum(["Approved", "IncorrectPin", "InsufficientFunds", "ExceedsApprovalAmountLimit", "InvalidAmount", "PinEntryTriesExceeded", "IncorrectSecurityCode", "Reversal", "PartialReversal", "Other"]).optional()});

export const refund = z.object({threadId: z.string().optional(), createdAt: z.string().optional(), clearedAt: z.string().nullable().optional(), country: country.optional(), isPending: z.boolean().optional(), impactsCashback: z.boolean().nullable().optional(), mcc: z.string().optional(), merchant: z.object({name: z.string().optional(), city: z.string().optional(), country: country.optional()}).optional(), billingAmount: z.string().optional(), billingCurrency: currency.optional(), transactionAmount: z.string().optional(), transactionCurrency: currency.optional(), transactionType: z.string().optional(), cardToken: z.string().optional(), transactions: z.array(transaction).optional(), kind: z.literal("Refund").optional(), refundAmount: z.string().optional(), refundCurrency: currency.optional()});

export const reversal = z.object({threadId: z.string().optional(), createdAt: z.string().optional(), clearedAt: z.string().nullable().optional(), country: country.optional(), isPending: z.boolean().optional(), impactsCashback: z.boolean().nullable().optional(), mcc: z.string().optional(), merchant: z.object({name: z.string().optional(), city: z.string().optional(), country: country.optional()}).optional(), billingAmount: z.string().optional(), billingCurrency: currency.optional(), transactionAmount: z.string().optional(), transactionCurrency: currency.optional(), transactionType: z.string().optional(), cardToken: z.string().optional(), transactions: z.array(transaction).optional(), kind: z.literal("Reversal").optional(), reversalAmount: z.string().optional(), reversalCurrency: currency.optional()});

export const event = z.union([payment, refund, reversal]);

export const getApiApiV1TransactionsResponse = z.array(event);

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 Transactions (without pagination)
 * 
 * GET /api/v1/transactions
 */
export const getApiApiV1Transactions = async (args: GetApiApiV1TransactionsArgs, options?: GetApiApiV1TransactionsOptions) => {
const {baseUrl = "https://api.gnosispay.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.cardTokens != null) query.append("cardTokens", String(args.cardTokens))
if (args.before != null) query.append("before", String(args.before))
if (args.after != null) query.append("after", String(args.after))
if (args.billingCurrency != null) query.append("billingCurrency", String(args.billingCurrency))
if (args.transactionCurrency != null) query.append("transactionCurrency", String(args.transactionCurrency))
if (args.mcc != null) query.append("mcc", String(args.mcc))
if (args.transactionType != null) query.append("transactionType", String(args.transactionType))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/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(getApiApiV1TransactionsResponse, await res.json())
};