from calculate.variables.datavars import Namespace, Variable, Dependence,\
                                         StringType, HashType, TableType,\
                                         ListType, FloatType


Variable('simple', type=StringType, source='simple value')

Variable('use_local_simple', type=StringType,
         source=Dependence('.simple',
                           depend=lambda simple: 'Using {}'.format(
                                                                simple.value)))

Variable('use_full_simple', type=StringType,
         source=Dependence('level.simple',
                           depend=lambda simple: 'Using {}'.format(
                                                                simple.value)))

Variable('disks', type=ListType,
         source=["/dev/sda1", "/dev/sda2", "/dev/sda3"])

Variable('version', type=FloatType, source='1.0')

Variable('my_shortname', type=StringType, source='CLD')

Variable('linux', type=HashType,
         source=Dependence('.version', '.my_shortname',
                           depend=lambda version, my_shortname:
                           {'version': version.value,
                            'shortname': my_shortname.value}))

Variable('shortname_test', type=StringType,
         source=Dependence('.linux.shortname',
                           depend=lambda shortname: '{} test'.format(
                                                             shortname.value)))

Variable('device_list', type=ListType,
         source=["/dev/sda", "/dev/sdb"])


def get_device_table(device_list):
    map_data = {'/dev/sda': ["hdd", "Samsung SSD"],
                '/dev/sdb': ["flash", "Transcend 64GB"],
                '/dev/sdc': ["usbhdd", "WD 1TB"]}
    default_value = ["hdd", "Unknown"]
    print('device_list = {}'.format(device_list.value))
    return [{"dev": device,
             "type": map_data.get(device, default_value)[0],
             "name": map_data.get(device, default_value)[1]}
            for device in device_list.value]


Variable('device', type=TableType, source=Dependence('.device_list',
                                                     depend=get_device_table))

Variable('device_child', type=StringType,
         source=Dependence('.device',
                           depend=lambda device: device.value[0]['type']))

with Namespace('level_3'):
    Variable('my_var_1', type=StringType, source='testing')

    Variable('my_var_2', type=StringType, source='testing_2')