import {z} from 'zod'

export type GetApiUsageSummariesArgs = {company?: string | undefined, category?: ('company' | 'employee' | 'contractor' | 'company_funding_failure' | 'payee_failed_payment' | 'wire' | 'one_day_payroll_processing_period') | undefined, period_start?: string | undefined, period_end?: string | undefined};

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

export const getApiUsageSummariesResponse = z.object({previous: z.unknown(), next: z.unknown(), results: z.array(z.object({company: z.string().optional(), category: z.string().optional(), count: z.number().int().optional(), period_start: z.string().optional(), period_end: 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
};

/**
 * List usage summaries
 * 
 * GET /usage/summaries
 */
export const getApiUsageSummaries = async (args: GetApiUsageSummariesArgs, options?: GetApiUsageSummariesOptions) => {
const {baseUrl = "https://sandbox.checkhq.com", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.company != null) query.append("company", String(args.company))
if (args.category != null) query.append("category", String(args.category))
if (args.period_start != null) query.append("period_start", String(args.period_start))
if (args.period_end != null) query.append("period_end", String(args.period_end))
if (sec0 !== undefined) headers.set("Authorization", sec0)

const url = `${baseUrl.replace(/\/+$/, '')}/usage/summaries${query.size > 0 ? `?${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(getApiUsageSummariesResponse, await res.json())
};