import {z} from 'zod'

export type GetApiV1AccountsAccountIdBillingSummaryArgs = {startTime: string, endTime: string, granularity?: ('GRANULARITY_UNSPECIFIED' | 'DAILY') | undefined, account_id: string};

export type GetApiV1AccountsAccountIdBillingSummaryOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const typeMoney = z.object({currencyCode: z.string().optional(), units: z.string().optional(), nanos: z.number().int().optional()});

export const gatewayGetAccountUsageRequestUsageType = z.enum(["USAGE_TYPE_UNSPECIFIED", "SERVERLESS", "DEDICATED_DEPLOYMENT", "TRAINING"]);

export const gatewayLineItem = z.object({category: z.string().optional(), groupingKey: z.string().optional(), groupingValue: z.string().optional(), secondaryGroupingKey: z.string().optional(), secondaryGroupingValue: z.string().optional(), quantity: z.number().optional(), unitAmount: typeMoney.optional(), totalCost: typeMoney.optional(), series: gatewayGetAccountUsageRequestUsageType.optional()});

export const gatewayUsageBucket = z.object({startTime: z.string().optional(), endTime: z.string().optional(), lineItems: z.array(gatewayLineItem).optional()});

export const gatewayGetBillingSummaryResponse = z.object({lineItems: z.array(gatewayLineItem).optional(), usageBuckets: z.array(gatewayUsageBucket).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 billing summary information for an account
 * 
 * GET /v1/accounts/{account_id}/billing/summary
 */
export const getApiV1AccountsAccountIdBillingSummary = async (args: GetApiV1AccountsAccountIdBillingSummaryArgs, options: GetApiV1AccountsAccountIdBillingSummaryOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.startTime != null) query.append("startTime", String(args.startTime))
if (args.endTime != null) query.append("endTime", String(args.endTime))
if (args.granularity != null) query.append("granularity", String(args.granularity))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/accounts/${encodeURIComponent(String(args.account_id))}/billing/summary${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(gatewayGetBillingSummaryResponse, await res.json())
};