#!/usr/bin/env python3
###############################################################################
#
# Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# https://www.opensource.org/licenses/mit-license.php
#
###############################################################################

import sys
import os
import re
import unittest

# Ensure python finds the local simpletap module
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

from basetest import Task, TestCase


class TestUndo(TestCase):
    def setUp(self):
        """Executed before each test in the class"""
        self.t = Task()

    def test_add_undo(self):
        """'add' then 'undo'"""
        self.t("add one")
        code, out, err = self.t("_get 1.status")
        self.assertEqual(out.strip(), "pending")
        self.t("undo", input="y\n")
        code, out, err = self.t("_get 1.status")
        self.assertEqual(out.strip(), "")

    def test_add_done_undo(self):
        """'add' then 'done' then 'undo'"""
        self.t("add two")
        code, out, err = self.t("_get 1.status")
        self.assertEqual(out.strip(), "pending")
        self.t("1 done")
        code, out, err = self.t("_get 1.status")
        self.assertEqual(out.strip(), "completed")
        self.t("undo", input="y\n")
        code, out, err = self.t("_get 1.status")
        self.assertEqual(out.strip(), "pending")

    def test_modify_multiple_tasks(self):
        """'add' then 'done' then 'undo'"""
        self.t("add one")
        self.t("add two")
        self.t("add three")
        self.t("rc.bulk=0 1,2,3 modify +sometag")
        code, out, err = self.t("undo", input="y\n")
        # This undo output should show one tag modification for each task, possibly with some
        # modification-time updates if the modifications spanned a second boundary.
        self.assertRegex(
            out,
            "\s+".join(
                [
                    r"""[0-9a-f-]{36} (Update property 'modified' from\s+'[0-9]+' to '[0-9]+'\s+)?Add tag 'sometag'\s+Add property 'tags' with value 'sometag'"""
                ]
                * 3
            ),
        )

    def test_undo_en_passant(self):
        """Verify that en-passant changes during undo are an error"""
        self.t("add one")
        code, out, err = self.t.runError("undo +tag")
        self.assertIn("The 'undo' command does not allow '+tag'.", err)


class TestUndoStyle(TestCase):
    def setUp(self):
        self.t = Task()
        self.t("add one project:foo priority:H")
        self.t("1 modify +tag project:bar priority:")

    def test_undo_output(self):
        """Test that 'task undo' generates the right output"""
        code, out, err = self.t("undo", input="n\n")
        self.assertNotRegex(out, "-tags:\\s*\n\\+tags:\\s+tag")
        self.assertRegex(out, r"Delete property 'priority'")
        self.assertRegex(out, r"Update property 'project'")
        self.assertRegex(out, r"Add tag 'tag'")


class TestBug634(TestCase):
    def setUp(self):
        self.t = Task()

    def test_undo_no_confirmation(self):
        """Undo honors confirmation=off"""

        self.t("add Test")

        # If a prompt happens, the test will timeout on input (exitcode != 0)
        code, out, err = self.t("rc.confirmation=off undo")
        code, out, err = self.t("_get 1.description")
        self.assertEqual(out.strip(), "")  # task is gone


if __name__ == "__main__":
    from simpletap import TAPTestRunner

    unittest.main(testRunner=TAPTestRunner())

# vim: ai sts=4 et sw=4 ft=python