import {z} from 'zod'

export type GetApiSecurityGroupArgs = {visibility?: ('private' | 'public') | undefined};

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

export const securityGroupResource = z.object({id: z.string().optional(), name: z.string().min(1).max(255).optional(), visibility: z.enum(["private", "public"]).optional()});

export const securityGroupRule = z.object({description: z.string().max(255).optional(), "start-port": z.number().int().gte(1).lte(65535).optional(), protocol: z.enum(["tcp", "esp", "icmp", "udp", "gre", "ah", "ipip", "icmpv6"]).optional(), icmp: z.object({code: z.number().int().gte(-1).lte(254).optional(), type: z.number().int().gte(-1).lte(254).optional()}).optional(), "end-port": z.number().int().gte(1).lte(65535).optional(), "security-group": securityGroupResource.optional(), id: z.string().optional(), network: z.string().optional(), "flow-direction": z.enum(["ingress", "egress"]).optional()});

export const securityGroup = z.object({id: z.string().optional(), name: z.string().min(1).max(255).optional(), description: z.string().max(255).optional(), "external-sources": z.array(z.string()).optional(), rules: z.array(securityGroupRule).optional()});

export const getApiSecurityGroupResponse = z.object({"security-groups": z.array(securityGroup).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
};

/**
 * List Security Groups.
 * 
 * GET /security-group
 */
export const getApiSecurityGroup = async (args: GetApiSecurityGroupArgs, options?: GetApiSecurityGroupOptions) => {
const {baseUrl = "https://api-ch-gva-2.exoscale.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

if (args.visibility != null) query.append("visibility", String(args.visibility))

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