import {z} from 'zod'

export type GetApiIamRoleBindingsArgs = {user_id?: string | undefined, role_id?: string | undefined, scope_type?: ('org' | 'project') | undefined, scope_object_id?: string | undefined};

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

export const roleBinding = z.object({customer_id: z.string(), id: z.string(), role_id: z.string(), role_name: z.string(), scope_object_id: z.string(), scope_type: z.string()});

export const listRoleBindingsResponse = z.object({role_bindings: z.array(roleBinding)});

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
};

/**
 * Lists role bindings visible to the caller.
 * 
 * GET /iam/role-bindings
 */
export const getApiIamRoleBindings = async (args: GetApiIamRoleBindingsArgs, options?: GetApiIamRoleBindingsOptions) => {
const {baseUrl = "https://api.cloud.crusoe.ai/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.user_id != null) query.append("user_id", String(args.user_id))
if (args.role_id != null) query.append("role_id", String(args.role_id))
if (args.scope_type != null) query.append("scope_type", String(args.scope_type))
if (args.scope_object_id != null) query.append("scope_object_id", String(args.scope_object_id))

const url = `${baseUrl.replace(/\/+$/, '')}/iam/role-bindings${query.size > 0 ? `?${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(listRoleBindingsResponse, await res.json())
};