import {z} from 'zod'

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

export const link = z.object({comment: z.string().optional(), href: z.string(), method: z.string().optional()});

export const tags = z.record(z.string(), z.object({}));

export const entityRef = z.object({_links: z.record(z.string(), link).optional(), entity: z.string().optional(), id: z.string().optional(), name: z.string().optional()});

export const identityAuthenticatorsCert = z.object({fingerprint: z.string().optional(), id: z.string().optional()});

export const identityAuthenticatorsUpdb = z.object({id: z.string().optional(), username: z.string().optional()});

export const identityAuthenticators = z.object({cert: identityAuthenticatorsCert.optional(), updb: identityAuthenticatorsUpdb.optional()});

export const terminatorCost = z.number().int().gte(0).lte(65535);

export const terminatorPrecedence = z.enum(["default", "required", "failed"]);

export const identityEnrollmentsOtt = z.object({expiresAt: z.string().optional(), id: z.string().optional(), jwt: z.string().optional(), token: z.string().optional()});

export const identityEnrollmentsOttca = z.object({ca: entityRef.optional(), caId: z.string().optional(), expiresAt: z.string().optional(), id: z.string().optional(), jwt: z.string().optional(), token: z.string().optional()});

export const identityEnrollments = z.object({ott: identityEnrollmentsOtt.optional(), ottca: identityEnrollmentsOttca.optional(), updb: identityEnrollmentsOtt.optional()});

export const envInfo = z.object({arch: z.string().max(255).optional(), domain: z.string().max(253).optional(), hostname: z.string().max(253).optional(), os: z.string().max(255).optional(), osRelease: z.string().max(255).optional(), osVersion: z.string().max(255).optional()});

export const interface = z.object({addresses: z.array(z.string()).optional(), hardwareAddress: z.string(), index: z.number().int().gte(0), isBroadcast: z.boolean(), isLoopback: z.boolean(), isMulticast: z.boolean(), isRunning: z.boolean(), isUp: z.boolean(), mtu: z.number().int().gte(0), name: z.string()});

export const permissions = z.array(z.enum(["admin_readonly", "auth-policy", "auth-policy.read", "auth-policy.create", "auth-policy.update", "auth-policy.delete", "ca", "ca.read", "ca.create", "ca.update", "ca.delete", "config", "config.read", "config.create", "config.update", "config.delete", "config-type", "config-type.read", "config-type.create", "config-type.update", "config-type.delete", "edge-router-policy", "edge-router-policy.read", "edge-router-policy.create", "edge-router-policy.update", "edge-router-policy.delete", "enrollment", "enrollment.read", "enrollment.create", "enrollment.update", "enrollment.delete", "external-jwt-signer", "external-jwt-signer.read", "external-jwt-signer.create", "external-jwt-signer.update", "external-jwt-signer.delete", "identity", "identity.read", "identity.create", "identity.update", "identity.delete", "ops", "ops.read", "ops.update", "ops.delete", "posture-check", "posture-check.read", "posture-check.create", "posture-check.update", "posture-check.delete", "router", "router.read", "router.create", "router.update", "router.delete", "service", "service.read", "service.create", "service.update", "service.delete", "service-edge-router-policy", "service-edge-router-policy.read", "service-edge-router-policy.create", "service-edge-router-policy.update", "service-edge-router-policy.delete", "service-policy", "service-policy.read", "service-policy.create", "service-policy.update", "service-policy.delete", "terminator", "terminator.read", "terminator.create", "terminator.update", "terminator.delete"])).nullable();

export const attributes = z.array(z.string()).nullable();

export const sdkInfo = z.object({appId: z.string().max(255).optional(), appVersion: z.string().max(255).optional(), branch: z.string().max(255).optional(), revision: z.string().max(255).optional(), type: z.string().max(255).optional(), version: z.string().max(255).optional()});

export const terminatorCostMap = z.record(z.string(), terminatorCost);

export const terminatorPrecedenceMap = z.record(z.string(), terminatorPrecedence);

export const identityDetail = z.object({_links: z.record(z.string(), link), createdAt: z.string(), id: z.string(), tags: tags.optional(), updatedAt: z.string(), appData: tags.optional(), authPolicy: entityRef, authPolicyId: z.string(), authenticators: identityAuthenticators, defaultHostingCost: terminatorCost, defaultHostingPrecedence: terminatorPrecedence.optional(), disabled: z.boolean(), disabledAt: z.string().nullable().optional(), disabledUntil: z.string().nullable().optional(), edgeRouterConnectionStatus: z.enum(["online", "offline", "unknown"]), enrollment: identityEnrollments, envInfo: envInfo, externalId: z.string().nullable(), hasApiSession: z.boolean(), hasEdgeRouterConnection: z.boolean(), interfaces: z.array(interface).optional(), isAdmin: z.boolean(), isDefaultAdmin: z.boolean(), isMfaEnabled: z.boolean(), name: z.string(), permissions: permissions, roleAttributes: attributes, sdkInfo: sdkInfo, serviceHostingCosts: terminatorCostMap, serviceHostingPrecedences: terminatorPrecedenceMap, type: entityRef, typeId: z.string()});

export const pagination = z.object({limit: z.number(), offset: z.number(), totalCount: z.number()});

export const meta = z.object({apiEnrollmentVersion: z.string().optional(), apiVersion: z.string().optional(), filterableFields: z.array(z.string()).optional(), pagination: pagination.optional()});

export const currentIdentityDetailEnvelope = z.object({data: identityDetail, meta: meta});

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
};

/**
 * Return the current identity
 * 
 * GET /current-identity
 * 
 * Also accepts auth: oauth2
 */
export const getApiCurrentIdentity = async (options?: GetApiCurrentIdentityOptions) => {
const {baseUrl = "https://demo.ziti.dev/edge/client/v1", fetch: fetchFn = fetch, ztSession} = options ?? {}

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

if (ztSession !== undefined) headers.set("zt-session", ztSession)

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