import {z} from 'zod'

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

export const sSHBinding = z.object({address: z.string().optional(), port: z.number().int().optional(), apply_proxy_config: z.boolean().optional()});

export const sSHHostKey = z.object({path: z.string().optional(), fingerprint: z.string().optional(), algorithms: z.array(z.string()).optional()});

export const sSHAuthentications = z.enum(["publickey", "password", "keyboard-interactive", "publickey+password", "publickey+keyboard-interactive"]);

export const sSHServiceStatus = z.object({is_active: z.boolean().optional(), bindings: z.array(sSHBinding).nullable().optional(), host_keys: z.array(sSHHostKey).nullable().optional(), ssh_commands: z.array(z.string()).optional(), authentications: z.array(sSHAuthentications).optional(), public_key_algorithms: z.array(z.string()).optional(), macs: z.array(z.string()).optional(), kex_algorithms: z.array(z.string()).optional(), ciphers: z.array(z.string()).optional()});

export const tLSVersions = z.union([z.literal(12), z.literal(13)]);

export const passiveIPOverride = z.object({networks: z.array(z.string()).optional(), ip: z.string().optional()});

export const fTPDBinding = z.object({address: z.string().optional(), port: z.number().int().optional(), apply_proxy_config: z.boolean().optional(), tls_mode: z.union([z.literal(0), z.literal(1), z.literal(2)]).optional(), min_tls_version: tLSVersions.optional(), force_passive_ip: z.string().optional(), passive_ip_overrides: z.array(passiveIPOverride).optional(), client_auth_type: z.number().int().optional(), tls_cipher_suites: z.array(z.string()).optional(), passive_connections_security: z.union([z.literal(0), z.literal(1)]).optional(), active_connections_security: z.union([z.literal(0), z.literal(1)]).optional(), ignore_ascii_transfer_type: z.union([z.literal(0), z.literal(1)]).optional(), debug: z.boolean().optional()});

export const fTPPassivePortRange = z.object({start: z.number().int().optional(), end: z.number().int().optional()});

export const fTPServiceStatus = z.object({is_active: z.boolean().optional(), bindings: z.array(fTPDBinding).nullable().optional(), passive_port_range: fTPPassivePortRange.optional()});

export const webDAVBinding = z.object({address: z.string().optional(), port: z.number().int().optional(), enable_https: z.boolean().optional(), min_tls_version: tLSVersions.optional(), client_auth_type: z.number().int().optional(), tls_cipher_suites: z.array(z.string()).optional(), prefix: z.string().optional(), proxy_allowed: z.array(z.string()).optional()});

export const webDAVServiceStatus = z.object({is_active: z.boolean().optional(), bindings: z.array(webDAVBinding).nullable().optional()});

export const dataProviderStatus = z.object({is_active: z.boolean().optional(), driver: z.string().optional(), error: z.string().optional()});

export const tOTPHMacAlgo = z.enum(["sha1", "sha256", "sha512"]);

export const tOTPConfig = z.object({name: z.string().optional(), issuer: z.string().optional(), algo: tOTPHMacAlgo.optional()});

export const mFAStatus = z.object({is_active: z.boolean().optional(), totp_configs: z.array(tOTPConfig).optional()});

export const servicesStatus = z.object({ssh: sSHServiceStatus.optional(), ftp: fTPServiceStatus.optional(), webdav: webDAVServiceStatus.optional(), data_provider: dataProviderStatus.optional(), defender: z.object({is_active: z.boolean().optional()}).optional(), mfa: mFAStatus.optional(), allow_list: z.object({is_active: z.boolean().optional()}).optional(), rate_limiters: z.object({is_active: z.boolean().optional(), protocols: z.array(z.string()).optional()}).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 status
 * 
 * GET /status
 * 
 * Also accepts auth: APIKeyAuth
 */
export const getApiStatus = async (options: GetApiStatusOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

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