import {z} from 'zod'

export type UserOrRole = {user: string} | {role: string};

export type ServerAction = 'create_project' | 'update_users' | 'delete_users' | 'list_users' | 'grant_admin' | 'provision_users' | 'read_assignments';

export type ProjectAction = 'create_warehouse' | 'delete' | 'rename' | 'list_warehouses' | 'create_role' | 'list_roles' | 'search_roles' | 'read_assignments' | 'grant_role_creator' | 'grant_create' | 'grant_describe' | 'grant_modify' | 'grant_select' | 'grant_project_admin' | 'grant_security_admin' | 'grant_data_admin' | 'get_endpoint_statistics';

export type WarehouseAction = 'create_namespace' | 'delete' | 'modify_storage' | 'modify_storage_credential' | 'get_config' | 'get_metadata' | 'list_namespaces' | 'include_in_list' | 'deactivate' | 'activate' | 'rename' | 'list_deleted_tabulars' | 'read_assignments' | 'grant_create' | 'grant_describe' | 'grant_modify' | 'grant_select' | 'grant_pass_grants' | 'grant_manage_grants' | 'change_ownership' | 'get_all_tasks' | 'control_all_tasks' | 'set_protection' | 'set_format_version_policy' | 'get_endpoint_statistics';

export type NamespaceAction = 'create_table' | 'create_view' | 'create_generic_table' | 'create_namespace' | 'delete' | 'update_properties' | 'get_metadata' | 'read_assignments' | 'grant_create' | 'grant_describe' | 'grant_modify' | 'grant_select' | 'grant_pass_grants' | 'grant_manage_grants' | 'set_protection';

export type TableAction = 'drop' | 'write_data' | 'read_data' | 'get_metadata' | 'commit' | 'rename' | 'read_assignments' | 'grant_pass_grants' | 'grant_manage_grants' | 'grant_describe' | 'grant_select' | 'grant_modify' | 'change_ownership' | 'get_tasks' | 'control_tasks' | 'set_protection';

export type ViewAction = 'drop' | 'commit' | 'get_metadata' | 'select' | 'rename' | 'read_assignments' | 'grant_pass_grants' | 'grant_manage_grants' | 'grant_describe' | 'grant_select' | 'grant_modify' | 'change_ownership' | 'get_tasks' | 'control_tasks' | 'set_protection';

export type GenericTableAction = 'drop' | 'undrop' | 'write_data' | 'read_data' | 'get_metadata' | 'rename' | 'include_in_list' | 'get_tasks' | 'control_tasks' | 'set_protection' | 'read_assignments' | 'grant_pass_grants' | 'grant_manage_grants' | 'grant_describe' | 'grant_select' | 'grant_modify' | 'change_ownership';

export type CheckOperation = {server: {action: ServerAction}} | {project: {action: ProjectAction, 'project-id'?: (string | null) | undefined}} | {warehouse: {action: WarehouseAction, 'warehouse-id': string}} | {namespace: {'namespace-id': string, 'warehouse-id': string, action: NamespaceAction} | {namespace: Array<string>, 'warehouse-id': string, action: NamespaceAction}} | {table: {'table-id': string, 'warehouse-id': string, action: TableAction} | {namespace: Array<string>, table: string, 'warehouse-id': string, action: TableAction}} | {view: {'table-id': string, 'warehouse-id': string, action: ViewAction} | {namespace: Array<string>, table: string, 'warehouse-id': string, action: ViewAction}} | {'generic-table': {'table-id': string, 'warehouse-id': string, action: GenericTableAction} | {namespace: Array<string>, table: string, 'warehouse-id': string, action: GenericTableAction}};

export type CheckRequest = {identity?: (UserOrRole | null) | undefined, operation: CheckOperation};

export type CreateApiManagementV1PermissionsCheckArgs = {body: CheckRequest};

export type CreateApiManagementV1PermissionsCheckOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const checkResponse = z.object({allowed: z.boolean()});

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
};

/**
 * Check if a specific action is allowed on the given object
 * 
 * POST /management/v1/permissions/check
 */
export const createApiManagementV1PermissionsCheck = async (args: CreateApiManagementV1PermissionsCheckArgs, options?: CreateApiManagementV1PermissionsCheckOptions) => {
const {baseUrl = "https://localhost", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/management/v1/permissions/check${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(checkResponse, await res.json())
};