import os
import unittest

import core.config

class config(unittest.TestCase):
    def setUp(self):
        self.someModules = [ 'b', 'x', 'a' ]
        self.moreModules = [ 'this', 'module', 'here' ]
        self.someTheme = 'some-theme'
        self.someIconset = 'some-iconset'
        self.defaultConfig = core.config.Config([])

    def test_module(self):
        cfg = core.config.Config([ '-m' ] + self.someModules)
        self.assertEqual(self.someModules, cfg.modules())

    def test_module_ordering_maintained(self):
        cfg = core.config.Config([ '-m' ] + self.someModules + [ '-m' ] + self.moreModules)
        self.assertEqual(self.someModules + self.moreModules, cfg.modules())

    def test_default_interval(self):
        self.assertEqual(1, self.defaultConfig.interval())

    def test_interval(self):
        cfg = core.config.Config([ '-p', 'interval=4'])
        self.assertEqual(4, cfg.interval())

    def test_float_interval(self):
        cfg = core.config.Config([ '-p', 'interval=0.5'])
        self.assertEqual(0.5, cfg.interval())

    def test_default_theme(self):
        self.assertEqual('default', self.defaultConfig.theme())

    def test_theme(self):
        cfg = core.config.Config(['-t', self.someTheme])
        self.assertEqual(self.someTheme, cfg.theme())

    def test_default_iconset(self):
        self.assertEqual('auto', self.defaultConfig.iconset())

    def test_iconset(self):
        cfg = core.config.Config(['-i', self.someIconset])
        self.assertEqual(self.someIconset, cfg.iconset())

    def test_right_to_left(self):
        cfg = core.config.Config(['-r'])
        self.assertTrue(cfg.reverse())
        self.assertFalse(self.defaultConfig.reverse())

    def test_logfile(self):
        cfg = core.config.Config(['-f', 'my-custom-logfile'])
        self.assertEquals(None, self.defaultConfig.logfile())
        self.assertEquals('my-custom-logfile', cfg.logfile())

    def test_all_modules(self):
        modules = core.config.all_modules()
        self.assertGreater(len(modules), 0)
        for module in modules:
            pyname = '{}.py'.format(module)
            base = os.path.abspath(os.path.join(os.path.dirname(os.path.realpath(__file__)), '..', '..', 'modules'))
            self.assertTrue(os.path.exists(os.path.join(base, 'contrib', pyname)) or os.path.exists(os.path.join(base, 'core', pyname)))

    def test_list_output(self):
        with unittest.mock.patch('core.config.sys') as sys:
            cfg = core.config.Config([ '-l', 'themes' ])
            cfg = core.config.Config([ '-l', 'modules' ])
            cfg = core.config.Config([ '-l', 'modules-markdown' ])
            # TODO: think of some plausibility testing here

    def test_missing_parameter(self):
        cfg = core.config.Config([ '-p', 'test.key' ])
        self.assertEqual('no-value-set', cfg.get('test.key', 'no-value-set'))

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