import {z} from 'zod'

export type GetApiCabinetAdminPaymentsSearchStatsArgs = {search?: (string | null) | undefined, status_filter?: string | undefined, method_filter?: (string | null) | undefined, period?: string | undefined, date_from?: (string | null) | undefined, date_to?: (string | null) | undefined};

export type GetApiCabinetAdminPaymentsSearchStatsOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const searchStatsResponse = z.object({total: z.number().int(), pending: z.number().int(), paid: z.number().int(), cancelled: z.number().int(), by_method: z.record(z.string(), z.unknown())});

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
};

/**
 * Search Payments Stats Endpoint
 * 
 * GET /cabinet/admin/payments/search/stats
 */
export const getApiCabinetAdminPaymentsSearchStats = async (args: GetApiCabinetAdminPaymentsSearchStatsArgs, options: GetApiCabinetAdminPaymentsSearchStatsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.search != null) query.append("search", String(args.search))
if (args.status_filter != null) query.append("status_filter", String(args.status_filter))
if (args.method_filter != null) query.append("method_filter", String(args.method_filter))
if (args.period != null) query.append("period", String(args.period))
if (args.date_from != null) query.append("date_from", String(args.date_from))
if (args.date_to != null) query.append("date_to", String(args.date_to))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/cabinet/admin/payments/search/stats${query.size > 0 ? `?${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(searchStatsResponse, await res.json())
};