import {z} from 'zod'

export type GetApiV3ReportVolumeArgs = {merchants: number, startDate: string, endDate: string, groupBy: string, limit?: number | undefined, offset?: number | undefined};

export type GetApiV3ReportVolumeOptions = {baseUrl?: string | undefined, sec0?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiV3ReportVolumeResponse = z.union([z.object({records: z.array(z.object({merchantId: z.number().int().optional(), dba: z.string().optional(), xmid: z.string().optional(), merchants: z.number().int().optional(), cubeDate: z.string().optional(), bankCardTransactions: z.number().int().optional(), bankCardAmount: z.string().optional(), nonBankCardTransactions: z.number().int().optional(), nonBankCardAmount: z.string().optional(), pinDebitAmount: z.string().optional(), transactions: z.number().int().optional(), totalAmount: z.string().optional(), devices: z.number().int().optional(), batches: z.number().int().optional(), cardTypes: z.number().int().optional()})).optional(), recordCount: z.number().int().optional(), totals: z.object({totalAmount: z.string().optional()}).optional()}), z.object({records: z.array(z.object({merchantId: z.number().int().optional(), dba: z.string().optional(), xmid: z.string().optional(), merchants: z.number().int().optional(), cubeDate: z.string().optional(), bankCardTransactions: z.number().int().optional(), bankCardAmount: z.string().optional(), nonBankCardTransactions: z.number().int().optional(), nonBankCardAmount: z.string().optional(), pinDebitAmount: z.string().optional(), transactions: z.number().int().optional(), totalAmount: z.string().optional(), deviceId: z.number().int().optional(), device: z.string().optional(), batchNumberId: z.number().int().optional(), clearingId: z.number().int().optional(), batchNumber: z.string().optional(), paymentType: z.string().optional(), cardTypes: z.number().int().optional(), clearingReference: z.string().optional()})).optional(), recordCount: z.number().int().optional(), totals: z.object({totalAmount: z.string().optional()}).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
};

/**
 * Get Settlement Report
 * 
 * GET /v3/report/volume
 */
export const getApiV3ReportVolume = async (args: GetApiV3ReportVolumeArgs, options?: GetApiV3ReportVolumeOptions) => {
const {baseUrl = "https://sandbox.api.mxmerchant.com/checkout", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.merchants != null) query.append("merchants", String(args.merchants))
if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (args.groupBy != null) query.append("groupBy", String(args.groupBy))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (sec0 !== undefined) headers.set('authorization', `Basic ${btoa(`${sec0.username}:${sec0.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/report/volume${query.size > 0 ? `?${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(getApiV3ReportVolumeResponse, await res.json())
};