import {z} from 'zod'

export type DbaasServiceName = string;

export type GetApiDbaasClickhouseServiceNameRoleArgs = {'service-name': DbaasServiceName};

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

export const dbaasUserUsername = z.string().min(1).max(64);

export const dbaasClickhouseRolePrivilege = z.object({name: dbaasUserUsername, database: z.string().optional(), table: z.string().optional(), "grant-option": z.boolean().optional(), column: z.string().optional(), "is-partial-revoke": z.boolean().optional()});

export const dbaasClickhouseGrantedRole = z.object({name: z.string(), uuid: z.string().optional(), "is-default": z.boolean().optional(), "with-admin-option": z.boolean().optional()});

export const dbaasClickhouseRole = z.object({name: dbaasUserUsername, uuid: z.string().optional(), privileges: z.array(dbaasClickhouseRolePrivilege).optional(), "granted-roles": z.array(dbaasClickhouseGrantedRole).optional()});

export const dbaasClickhouseRoles = z.object({roles: z.array(dbaasClickhouseRole).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
};

/**
 * [BETA] List DBaaS ClickHouse roles
 * 
 * GET /dbaas-clickhouse/{service-name}/role
 */
export const getApiDbaasClickhouseServiceNameRole = async (args: GetApiDbaasClickhouseServiceNameRoleArgs, options?: GetApiDbaasClickhouseServiceNameRoleOptions) => {
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")

const url = `${baseUrl.replace(/\/+$/, '')}/dbaas-clickhouse/${encodeURIComponent(String(args['service-name']))}/role${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(dbaasClickhouseRoles, await res.json())
};