import {z} from 'zod'

export type GetApiServicesArgs = {limit?: number | undefined, offset?: number | undefined, filter?: string | undefined, configTypes?: Array<string> | undefined, roleFilter?: Array<string> | undefined, roleSemantic?: string | undefined};

export type GetApiServicesOptions = {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 dialBind = z.enum(["Dial", "Bind", "Invalid"]);

export const dialBindArray = z.array(dialBind);

export const osType = z.enum(["Windows", "WindowsServer", "Android", "iOS", "Linux", "macOS"]);

export const postureQueryProcess = z.object({osType: osType.optional(), path: z.string().optional()});

export const postureCheckType = z.enum(["OS", "PROCESS", "DOMAIN", "MAC", "MFA", "PROCESS_MULTI"]);

export const postureQuery = z.object({_links: z.record(z.string(), link), createdAt: z.string(), id: z.string(), tags: tags.optional(), updatedAt: z.string(), isPassing: z.boolean(), process: postureQueryProcess.optional(), processes: z.array(postureQueryProcess).optional(), promptGracePeriodSeconds: z.number().int().optional(), promptOnUnlock: z.boolean().optional(), promptOnWake: z.boolean().optional(), queryType: postureCheckType, timeout: z.number().int(), timeoutAt: z.string().nullable().optional(), timeoutRemaining: z.number().int()});

export const postureQueries = z.object({isPassing: z.boolean(), policyId: z.string(), policyType: dialBind.optional(), postureQueries: z.array(postureQuery)});

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

export const serviceDetail = z.object({_links: z.record(z.string(), link), createdAt: z.string(), id: z.string(), tags: tags.optional(), updatedAt: z.string(), config: z.record(z.string(), z.record(z.string(), z.object({}))), configs: z.array(z.string()), encryptionRequired: z.boolean(), maxIdleTimeMillis: z.number().int(), name: z.string(), permissions: dialBindArray, postureQueries: z.array(postureQueries), roleAttributes: attributes, terminatorStrategy: 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 listServicesEnvelope = z.object({data: z.array(serviceDetail), 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
};

/**
 * List services
 * 
 * GET /services
 * 
 * Also accepts auth: oauth2
 */
export const getApiServices = async (args: GetApiServicesArgs, options?: GetApiServicesOptions) => {
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 (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.filter != null) query.append("filter", String(args.filter))
for (const item of args.configTypes ?? []) query.append("configTypes", String(item))
for (const item of args.roleFilter ?? []) query.append("roleFilter", String(item))
if (args.roleSemantic != null) query.append("roleSemantic", String(args.roleSemantic))
if (ztSession !== undefined) headers.set("zt-session", ztSession)

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