import {z} from 'zod'

export type GetApiApiV2PoliciesIdArgs = {id: string, field_mask?: string | undefined, 'policy_instance.name'?: string | undefined, 'policy_instance.instance_label'?: string | undefined};

export type GetApiApiV2PoliciesIdOptions = {baseUrl: string, AuthorizerAPIKey?: string | undefined, TenantID?: string | undefined, fetch?: typeof fetch | undefined};

export const apiModule = z.object({ast: z.unknown(), id: z.string().optional(), package_path: z.string().optional(), package_root: z.string().optional(), raw: z.string().optional()});

export const v2GetPolicyResponse = z.object({result: apiModule.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 Policy
 * 
 * GET /api/v2/policies/{id}
 */
export const getApiApiV2PoliciesId = async (args: GetApiApiV2PoliciesIdArgs, options: GetApiApiV2PoliciesIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, AuthorizerAPIKey, TenantID} = options ?? {}

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

if (args.field_mask != null) query.append("field_mask", String(args.field_mask))
if (args['policy_instance.name'] != null) query.append("policy_instance.name", String(args['policy_instance.name']))
if (args['policy_instance.instance_label'] != null) query.append("policy_instance.instance_label", String(args['policy_instance.instance_label']))
if (AuthorizerAPIKey !== undefined) headers.set("authorization", AuthorizerAPIKey)
if (TenantID !== undefined) headers.set("aserto-tenant-id", TenantID)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/policies/${encodeURIComponent(String(args.id))}${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(v2GetPolicyResponse, await res.json())
};