import {z} from 'zod'

export type GetApiTransactionsArgs = {start_date?: string | undefined, end_date?: string | undefined, page_offset?: number | undefined, page_size?: number | undefined};

export type GetApiTransactionsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const transactionType = z.enum(["payment", "transfer", "refund", "settlement"]);

export const customerObject = z.object({id: z.string().optional(), name: z.string().optional(), phone: z.string().optional(), email: z.string().optional(), address: z.string().optional(), city: z.string().optional(), postalCode: z.string().optional(), country: z.string(), locale: z.string().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const orderType = z.enum(["flat", "order", "invoice", "paymentlink"]);

export const paymentStatus = z.enum(["succeeded", "failed", "cancelled", "pending", "processing", "reversed", "authorized"]);

export const transactionObject = z.object({id: z.string().optional(), merchantId: z.string().optional(), type: transactionType.optional(), customerId: z.string().optional(), customerObject: customerObject.optional(), pspName: z.enum(["card", "orange_money", "wave_money", "mtn_money", "move_money", "free_money", "visa_card", "mastercard_card", "bictorys"]), paymentMeans: z.string().optional(), paymentChannel: z.enum(["Terminal", "Online"]).optional(), amount: z.number().optional(), merchantFees: z.number().optional(), customerFees: z.number().optional(), currency: z.string().optional(), paymentReference: z.string().optional(), merchantReference: z.string().optional(), orderType: orderType.optional(), orderId: z.string().optional(), status: paymentStatus, originIp: z.string().optional(), timestamp: z.string()});

export const getApiTransactionsResponse = z.array(transactionObject);

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
};

/**
 * Returns list of settlements
 * 
 * GET /transactions
 */
export const getApiTransactions = async (args: GetApiTransactionsArgs, options?: GetApiTransactionsOptions) => {
const {baseUrl = "https://api.test.bictorys.com/pay/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.page_offset != null) query.append("page_offset", String(args.page_offset))
if (args.page_size != null) query.append("page_size", String(args.page_size))
if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

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