import {z} from 'zod'

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

export const licenseLimitUsageResource = z.object({CurrentUsage: z.number().int().optional(), Disposition: z.enum(["Information", "Notice", "Warning", "Error"]).optional(), EffectiveLimit: z.number().int().optional(), EffectiveLimitDescription: z.string().optional(), IsUnlimited: z.boolean().optional(), LicensedLimit: z.number().int().optional(), LicenseLimitDescription: z.string().optional(), LimitStatus: z.enum(["UnderLimit", "AlmostAtLimit", "AtLimit", "InOverrun", "ExceedingLimit"]).optional(), LimitUsageDescription: z.string().optional(), Message: z.string().optional(), Name: z.string().optional(), TargetTypes: z.array(z.string()).optional()});

export const spaceLicenseUsageResource = z.object({MachinesCount: z.number().int().optional(), ProjectsCount: z.number().int().optional(), SpaceName: z.string().optional(), TenantsCount: z.number().int().optional()});

export const licenseUsageResource = z.object({Id: z.string().optional(), IsPtm: z.boolean().optional(), LastModifiedBy: z.string().optional(), LastModifiedOn: z.string().optional(), Limits: z.array(licenseLimitUsageResource).optional(), Links: z.record(z.string(), z.string()).optional(), SpacesUsage: z.array(spaceLicenseUsageResource).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 the usage of the current Octopus server.
 * 
 * GET /licenses/licenses-current-usage
 * 
 * Also accepts auth: APIKeyQuery, NugetApiKeyHeader
 */
export const getApiLicensesLicensesCurrentUsage = async (options?: GetApiLicensesLicensesCurrentUsageOptions) => {
const {baseUrl = "https://demo.octopus.app/api", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("X-Octopus-ApiKey", APIKeyHeader)

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