# coding=utf8
## Copyright (c) 2020 Arseniy Kuznetsov
##
## This program is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License
## as published by the Free Software Foundation; either version 2
## of the License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.


from mktxp.datasource.base_ds import BaseDSProcessor
from mktxp.utils.utils import builtin_wifi_capsman_version


class SystemResourceMetricsDataSource:
    ''' System Resource Metrics data provider
    '''             
    @staticmethod    
    def metric_records(router_entry, *, metric_labels = None):
        if metric_labels is None:
            metric_labels = []                
        try:
            system_resource_records = router_entry.api_connection.router_api().get_resource('/system/resource').get()
            return BaseDSProcessor.trimmed_records(router_entry, router_records = system_resource_records, metric_labels = metric_labels)
        except Exception as exc:
            print(f'Error getting system resource info from router{router_entry.router_name}@{router_entry.config_entry.hostname}: {exc}')
            return None

    @staticmethod
    def os_version(router_entry):
        try:
            system_version_records = router_entry.api_connection.router_api().get_resource('/system/resource').call('print', {'proplist':'version'})
            for record in system_version_records:
                ver = record.get('version', None)
                if ver:
                    return ver
                    
            return None
        except Exception as exc:
            print(f'Error getting system resource info from router{router_entry.router_name}@{router_entry.config_entry.hostname}: {exc}')
        return False
    
    @staticmethod
    def has_builtin_wifi_capsman(router_entry):
        ver = SystemResourceMetricsDataSource.os_version(router_entry)
        return builtin_wifi_capsman_version(ver)