import {z} from 'zod'

export type GetApiV1BillingMetersIdEventSummariesArgs = {customer: string, end_time: number, ending_before?: string | undefined, expand?: Array<string> | undefined, id: string, limit?: number | undefined, start_time: number, starting_after?: string | undefined, value_grouping_window?: ('day' | 'hour') | undefined, body: Record<string, never>};

export type GetApiV1BillingMetersIdEventSummariesOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const billingMeterEventSummary = z.object({aggregated_value: z.number(), end_time: z.number().int(), id: z.string().max(5000), livemode: z.boolean(), meter: z.string().max(5000), object: z.literal("billing.meter_event_summary"), start_time: z.number().int()});

export const getApiV1BillingMetersIdEventSummariesResponse = z.object({data: z.array(billingMeterEventSummary), has_more: z.boolean(), object: z.literal("list"), url: z.string().max(5000)});

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 billing meter event summaries
 * 
 * GET /v1/billing/meters/{id}/event_summaries
 * 
 * Also accepts auth: bearerAuth
 */
export const getApiV1BillingMetersIdEventSummaries = async (args: GetApiV1BillingMetersIdEventSummariesArgs, options?: GetApiV1BillingMetersIdEventSummariesOptions) => {
const {baseUrl = "https://api.stripe.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/x-www-form-urlencoded")
headers.set('accept', "application/json")

if (args.customer != null) query.append("customer", String(args.customer))
if (args.end_time != null) query.append("end_time", String(args.end_time))
if (args.ending_before != null) query.append("ending_before", String(args.ending_before))
for (const item of args.expand ?? []) query.append("expand", String(item))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.start_time != null) query.append("start_time", String(args.start_time))
if (args.starting_after != null) query.append("starting_after", String(args.starting_after))
if (args.value_grouping_window != null) query.append("value_grouping_window", String(args.value_grouping_window))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/billing/meters/${encodeURIComponent(String(args.id))}/event_summaries${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers, body: new URLSearchParams(Object.entries(args.body).flatMap(([key, value]) => (value == null ? [] : [[key, String(value)]])))})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiV1BillingMetersIdEventSummariesResponse, await res.json())
};