import {z} from 'zod'

export type GetApiV4OrganizationsOrganizationIdBillingPayAsYouGoArgs = {startDate?: string | undefined, endDate?: string | undefined};

export type GetApiV4OrganizationsOrganizationIdBillingPayAsYouGoOptions = {baseUrl?: string | undefined, token?: string | undefined, fetch?: typeof fetch | undefined};

export const payAsYouGoCost = z.object({basic: z.number(), devPro: z.number(), enterprise: z.number()});

export const payAsYouGoPeriod = z.object({startDate: z.string(), endDate: z.string(), cost: payAsYouGoCost, total: z.number()});

export const payAsYouGoTotal = z.object({startDate: z.string(), endDate: z.string(), cost: payAsYouGoCost, total: z.number()});

export const payAsYouGoResponse = z.object({data: z.object({periods: z.array(payAsYouGoPeriod), total: payAsYouGoTotal, billingCurrency: z.string()})});

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 Pay As You Go Billing
 * 
 * GET /v4/organizations/{organizationId}/billing/payAsYouGo
 */
export const getApiV4OrganizationsOrganizationIdBillingPayAsYouGo = async (args: GetApiV4OrganizationsOrganizationIdBillingPayAsYouGoArgs, options?: GetApiV4OrganizationsOrganizationIdBillingPayAsYouGoOptions) => {
const {baseUrl = "https://cloudapi.cloud.couchbase.com", fetch: fetchFn = fetch, token} = options ?? {}

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

if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (token !== undefined) headers.set('authorization', `Bearer ${token}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v4/organizations/${encodeURIComponent(String(args.organizationId))}/billing/payAsYouGo${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(payAsYouGoResponse, await res.json())
};