# Copyright (C) 2010 Research in Motion Ltd. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#    * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#    * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#    * Neither the name of Research in Motion Ltd. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import unittest

from webkitpy.common.system.output_capture import OutputCapture
from webkitpy.common.system.user import User


class UserTest(unittest.TestCase):

    example_user_response = 'example user response'

    def test_prompt_repeat(self):
        self.repeatsRemaining = 2

        def mock_raw_input(message):
            self.repeatsRemaining -= 1
            if not self.repeatsRemaining:
                return UserTest.example_user_response
            return None
        self.assertEqual(User.prompt('input', repeat=self.repeatsRemaining,
                                     raw_input=mock_raw_input), UserTest.example_user_response)

    def test_prompt_when_exceeded_repeats(self):
        self.repeatsRemaining = 2

        def mock_raw_input(message):
            self.repeatsRemaining -= 1
            return None
        self.assertIsNone(User.prompt('input', repeat=self.repeatsRemaining, raw_input=mock_raw_input))

    def test_prompt_with_multiple_lists(self):
        def run_prompt_test(inputs, expected_result, can_choose_multiple=False):
            def mock_raw_input(message):
                return inputs.pop(0)
            output_capture = OutputCapture()
            actual_result = output_capture.assert_outputs(
                self,
                User.prompt_with_multiple_lists,
                args=['title', ['subtitle1', 'subtitle2'], [['foo', 'bar'], ['foobar', 'barbaz', 'foobaz']]],
                kwargs={'can_choose_multiple': can_choose_multiple, 'raw_input': mock_raw_input},
                expected_stdout='title\n\nsubtitle1\n 1. foo\n 2. bar\n\nsubtitle2\n 3. foobar\n 4. barbaz\n 5. foobaz\n')
            self.assertEqual(actual_result, expected_result)
            self.assertEqual(len(inputs), 0)

        run_prompt_test(['1'], 'foo')
        run_prompt_test(['badinput', '2'], 'bar')
        run_prompt_test(['3'], 'foobar')
        run_prompt_test(['4'], 'barbaz')
        run_prompt_test(['5'], 'foobaz')

        run_prompt_test(['1,2'], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test(['1-3'], ['foo', 'bar', 'foobar'], can_choose_multiple=True)
        run_prompt_test(['1-2,3'], ['foo', 'bar', 'foobar'], can_choose_multiple=True)
        run_prompt_test(['2-1,3'], ['foobar'], can_choose_multiple=True)
        run_prompt_test(['  1,  2   '], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test(['all'], ['foo', 'bar', 'foobar', 'barbaz', 'foobaz'], can_choose_multiple=True)
        run_prompt_test([''], ['foo', 'bar', 'foobar', 'barbaz', 'foobaz'], can_choose_multiple=True)
        run_prompt_test(['  '], ['foo', 'bar', 'foobar', 'barbaz', 'foobaz'], can_choose_multiple=True)
        run_prompt_test(['badinput', 'all'], ['foo', 'bar', 'foobar', 'barbaz', 'foobaz'], can_choose_multiple=True)

    def test_prompt_with_list(self):
        def run_prompt_test(inputs, expected_result, can_choose_multiple=False):
            def mock_raw_input(message):
                return inputs.pop(0)
            output_capture = OutputCapture()
            actual_result = output_capture.assert_outputs(
                self,
                User.prompt_with_list,
                args=['title', ['foo', 'bar']],
                kwargs={'can_choose_multiple': can_choose_multiple, 'raw_input': mock_raw_input},
                expected_stdout='title\n 1. foo\n 2. bar\n')
            self.assertEqual(actual_result, expected_result)
            self.assertEqual(len(inputs), 0)

        run_prompt_test(['1'], 'foo')
        run_prompt_test(['badinput', '2'], 'bar')

        run_prompt_test(['1,2'], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test(['  1,  2   '], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test(['all'], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test([''], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test(['  '], ['foo', 'bar'], can_choose_multiple=True)
        run_prompt_test(['badinput', 'all'], ['foo', 'bar'], can_choose_multiple=True)

    def test_confirm(self):
        test_cases = (
            (('Continue? [Y/n]: ', True), (User.DEFAULT_YES, 'y')),
            (('Continue? [Y/n]: ', False), (User.DEFAULT_YES, 'n')),
            (('Continue? [Y/n]: ', True), (User.DEFAULT_YES, '')),
            (('Continue? [Y/n]: ', False), (User.DEFAULT_YES, 'q')),
            (('Continue? [y/N]: ', True), (User.DEFAULT_NO, 'y')),
            (('Continue? [y/N]: ', False), (User.DEFAULT_NO, 'n')),
            (('Continue? [y/N]: ', False), (User.DEFAULT_NO, '')),
            (('Continue? [y/N]: ', False), (User.DEFAULT_NO, 'q')),
        )
        for test_case in test_cases:
            expected, inputs = test_case

            def mock_raw_input(message):
                self.assertEqual(expected[0], message)
                return inputs[1]

            result = User().confirm(default=inputs[0],
                                    raw_input=mock_raw_input)
            self.assertEqual(expected[1], result)