import {z} from 'zod'

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

export const header = z.object({id: z.string(), status: z.enum(["success", "error"]), servertime: z.number().int(), action: z.string(), message: z.string(), url: z.string(), code: z.number().int()});

export const healthcheck = z.object({environment: z.object({gnupg: z.boolean(), info: z.object({phpVersion: z.string()}), phpVersion: z.boolean(), nextMinPhpVersion: z.boolean(), pcre: z.boolean(), mbstring: z.boolean(), intl: z.boolean(), image: z.boolean(), tmpWritable: z.boolean(), logWritable: z.boolean()}), configFile: z.object({app: z.boolean(), passbolt: z.boolean()}), core: z.object({cache: z.boolean(), debugDisabled: z.boolean(), salt: z.boolean(), info: z.object({fullBaseUrl: z.string()}), fullBaseUrl: z.boolean(), validFullBaseUrl: z.boolean(), fullBaseUrlReachable: z.boolean()}), ssl: z.object({info: z.string(), peerValid: z.boolean(), hostValid: z.boolean(), notSelfSigned: z.boolean()}), smtpSettings: z.object({isEnabled: z.boolean(), errorMessage: z.boolean(), source: z.string(), isInDb: z.boolean(), areEndpointsDisabled: z.boolean(), customSslOptions: z.boolean()}), gpg: z.object({lib: z.boolean(), gpgHome: z.boolean(), gpgHomeWritable: z.boolean(), gpgKeyPublicBlock: z.boolean(), gpgKeyPrivateBlock: z.boolean(), gpgKeyPublicReadable: z.boolean(), gpgKeyPrivateReadable: z.boolean(), gpgKeyPrivateFingerprint: z.boolean(), gpgKeyPublic: z.boolean(), gpgKeyPrivate: z.boolean(), gpgKey: z.boolean(), info: z.object({gpgKeyPrivate: z.string(), gpgHome: z.string()}), gpgKeyPublicFingerprint: z.boolean(), gpgKeyPublicInKeyring: z.boolean(), gpgKeyPublicEmail: z.boolean(), canEncrypt: z.boolean(), canSign: z.boolean(), canEncryptSign: z.boolean(), canDecrypt: z.boolean(), canDecryptVerify: z.boolean(), canVerify: z.boolean(), isPublicServerKeyGopengpgCompatible: z.boolean(), isPrivateServerKeyGopengpgCompatible: z.boolean()}), application: z.object({configPath: z.string(), info: z.object({remoteVersion: z.string(), currentVersion: z.string()}), latestVersion: z.boolean(), sslForce: z.boolean(), sslFullBaseUrl: z.boolean(), seleniumDisabled: z.boolean(), robotsIndexDisabled: z.boolean(), registrationClosed: z.object({isSelfRegistrationPluginEnabled: z.boolean(), selfRegistrationProvider: z.string(), isRegistrationPublicRemovedFromPassbolt: z.boolean()}), hostAvailabilityCheckEnabled: z.boolean(), jsProd: z.boolean(), emailNotificationEnabled: z.boolean(), schema: z.boolean()}), database: z.object({supportedBackend: z.boolean(), connect: z.boolean(), info: z.object({tablesCount: z.number().int()}), tablesCount: z.boolean(), defaultContent: z.boolean()})});

export const getApiHealthcheckJsonResponse = z.object({header: header, body: healthcheck});

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 healthcheck information.
 * 
 * GET /healthcheck.json
 */
export const getApiHealthcheckJson = async (options?: GetApiHealthcheckJsonOptions) => {
const {baseUrl = "https://passbolt.local", fetch: fetchFn = fetch, bearerHttpAuthentication} = options ?? {}

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

if (bearerHttpAuthentication !== undefined) headers.set('authorization', `Bearer ${bearerHttpAuthentication}`)

const url = `${baseUrl.replace(/\/+$/, '')}/healthcheck.json${query.size > 0 ? `?${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(getApiHealthcheckJsonResponse, await res.json())
};