# coding: utf-8
from py.test import raises

from .autopath import do_autopath
do_autopath()

from tiramisu.setting import owners
from tiramisu.option import ChoiceOption, StrOption, OptionDescription
from tiramisu.config import Config
from tiramisu.error import ConfigError
from tiramisu import getapi, undefined


def return_val(val):
    return val


def return_list():
    return ['val1', 'val2']


def return_calc_list(val):
    return [val]


def return_error():
    raise Exception('test')


def test_choiceoption():
    choice = ChoiceOption('choice', '', values=('val1', 'val2'))
    odesc = OptionDescription('od', '', [choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    owner = api.owner.get()
    assert api.option('choice').owner.get() == owners.default
    assert api.option('choice').owner.isdefault()
    #
    api.option('choice').value.set('val1')
    assert api.option('choice').owner.get() == owner
    assert not api.option('choice').owner.isdefault()
    #
    api.option('choice').value.reset()
    assert api.option('choice').owner.get() == owners.default
    assert api.option('choice').owner.isdefault()
    #
    raises(ValueError, "api.option('choice').value.set('no')")
    assert api.option('choice').owner.get() == owners.default
    assert api.option('choice').owner.isdefault()
    #
    assert api.option('choice').value.list() == ('val1', 'val2')


def test_choiceoption_function():
    choice = ChoiceOption('choice', '', values=return_list)
    odesc = OptionDescription('od', '', [choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    owner = api.owner.get()
    assert api.option('choice').owner.isdefault()
    #
    api.option('choice').value.set('val1')
    assert api.option('choice').owner.get() == owner
    #
    api.option('choice').value.reset()
    assert api.option('choice').owner.isdefault()
    #
    raises(ValueError, "api.option('choice').value.set('no')")
    assert api.option('choice').owner.isdefault()
    #
    assert api.option('choice').value.list() == ['val1', 'val2']


def test_choiceoption_function_error():
    choice = ChoiceOption('choice', '', values=return_error)
    odesc = OptionDescription('od', '', [choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    raises(ConfigError, "api.option('choice').value.set('val1')")


def test_choiceoption_calc_function():
    choice = ChoiceOption('choice', "", values=return_calc_list, values_params={'': ('val1',)})
    odesc = OptionDescription('od', '', [choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    owner = api.owner.get()
    assert api.option('choice').owner.isdefault()
    #
    api.option('choice').value.set('val1')
    assert api.option('choice').owner.get() == owner
    #
    api.option('choice').value.reset()
    assert api.option('choice').owner.isdefault()
    #
    raises(ValueError, "api.option('choice').value.set('no')")
    assert api.option('choice').owner.isdefault()


def test_choiceoption_calc_opt_function():
    str_ = StrOption('str', '', 'val1')
    choice = ChoiceOption('choice',
                          "",
                          values=return_calc_list,
                          values_params={'': ((str_, False),)})
    odesc = OptionDescription('od', '', [str_, choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    owner = api.owner.get()
    assert api.option('choice').owner.isdefault()
    #
    api.option('choice').value.set('val1')
    assert api.option('choice').owner.get() == owner
    #
    api.option('choice').value.reset()
    assert api.option('choice').owner.isdefault()
    #
    raises(ValueError, "api.option('choice').value.set('no')")
    assert api.option('choice').owner.isdefault()


def test_choiceoption_calc_opt_function_propertyerror():
    str_ = StrOption('str', '', 'val1', properties=('disabled',))
    choice = ChoiceOption('choice',
                          "",
                          values=return_calc_list,
                          values_params={'': ((str_, False),)})
    odesc = OptionDescription('od', '', [str_, choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    raises(ValueError, "api.option('choice').value.set('no')")


def test_choiceoption_calc_opt_multi_function():
    str_ = StrOption('str', '', ['val1'], multi=True)
    choice = ChoiceOption('choice',
                          "",
                          default_multi='val2',
                          values=return_val,
                          values_params={'': ((str_, False),)},
                          multi=True)
    ch2 = ChoiceOption('ch2',
                       "",
                       default=['val2'],
                       values=return_val,
                       values_params={'': ((str_, False),)},
                       multi=True)
    odesc = OptionDescription('od', '', [str_, choice, ch2])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    owner = api.owner.get()
    assert api.option('choice').owner.isdefault()
    assert api.option('choice').value.get() == []
    #
    api.option('choice').value.set(['val1'])
    assert api.option('choice').owner.get() == owner
    #
    raises(ValueError, "api.option('choice').value.set([undefined])")
    #
    api.option('choice').value.set(['val1'])
    assert api.option('choice').owner.get() == owner
    #
    api.option('choice').value.reset()
    assert api.option('choice').owner.isdefault()
    #
    raises(ValueError, "api.option('choice').value.set('no')")
    assert api.option('choice').owner.isdefault()
    #
    raises(ValueError, "api.option('ch2').value.get()")


def test_choiceoption_calc_invalid():
    str_ = StrOption('str', '', ['val1'], multi=True)
    str_
    raises(ValueError,
           "choice = ChoiceOption('choice', '', default_multi='val2', values=[1, 2, 3], \
                                  values_params={'': ((str_, False),)}, multi=True)")


def test_choiceoption_calc_not_list():
    str_ = StrOption('str', '', 'val1')
    choice = ChoiceOption('choice',
                          "",
                          default_multi='val2',
                          values=return_val,
                          values_params={'': ((str_, False),)},
                          multi=True)
    odesc = OptionDescription('od', '', [str_, choice])
    cfg = Config(odesc)
    api = getapi(cfg)
    api.property.read_write()
    raises(ConfigError, "api.option('choice').value.set(['val1'])")