import {z} from 'zod'

export type GetApiBillingUsageGrantsArgs = {organizationId?: string | undefined};

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

export const getApiBillingUsageGrantsResponse = z.object({items: z.array(z.object({id: z.string(), program: z.string(), programDisplayName: z.string(), productKey: z.enum(["logs_ingested_bytes", "logs_accepted_bytes", "logs_query_bytes_scanned", "log_questions_answered", "log_queries_executed", "input_tokens", "output_tokens", "ai_tokens", "issues_created", "automation_runs_completed", "pull_requests_created", "pull_request_reviews_completed"]), displayName: z.string(), grantedQuantity: z.string(), usedQuantity: z.string(), remainingQuantity: z.string(), effectiveAt: z.string(), endsAt: z.string(), status: z.enum(["scheduled", "active", "exhausted", "expired", "revoked"])}))});

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 grants
 * 
 * GET /billing/usage-grants
 */
export const getApiBillingUsageGrants = async (args: GetApiBillingUsageGrantsArgs, options?: GetApiBillingUsageGrantsOptions) => {
const {baseUrl = "https://api.sazabi.com/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.organizationId != null) query.append("organizationId", String(args.organizationId))

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