# -*- encoding: UTF8 -*-
# Test harness for CreateSwarmReview.py

from __future__ import print_function

import sys
import unittest
import os
import re

sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
import testp4
import P4
import logging
import subprocess

from CreateSwarmReview import CreateSwarmReview

os.environ["LOGS"] = "."
LOGGER_NAME = "TestCreateSwarmReview"
LOG_FILE = "log-CreateSwarmReview.log"

python3 = sys.version_info[0] >= 3

if python3:
    from unittest.mock import patch, Mock
else:
    from mock import patch, Mock

def ensureDirectory(directory):
    if not os.path.isdir(directory):
        os.makedirs(directory)

def localDirectory(root, *dirs):
    "Create and ensure it exists"
    dir_path = os.path.join(root, *dirs)
    ensureDirectory(dir_path)
    return dir_path

def create_file(file_name, contents):
    "Create file with specified contents"
    ensureDirectory(os.path.dirname(file_name))
    if python3:
        contents = bytes(contents.encode())
    with open(file_name, 'wb') as f:
        f.write(contents)

def append_to_file(file_name, contents):
    "Append contents to file"
    if python3:
        contents = bytes(contents.encode())
    with open(file_name, 'ab+') as f:
        f.write(contents)

class TestCreateSwarmReview(unittest.TestCase):
    def __init__(self, methodName='runTest'):
        super(TestCreateSwarmReview, self).__init__(methodName=methodName)
        self.logger = logging.getLogger(LOGGER_NAME)
        self.logger.setLevel(logging.DEBUG)
        logformat = '%(levelname)s [%(asctime)s] [%(filename)s : %(lineno)d] - %(message)s'
        logging.basicConfig(format=logformat, filename=LOG_FILE, level=logging.DEBUG)

    def assertRegex(self, *args, **kwargs):
        if python3:
            return super(TestCreateSwarmReview, self).assertRegex(*args, **kwargs)
        else:
            return super(TestCreateSwarmReview, self).assertRegexpMatches(*args, **kwargs)

    def setUp(self):
        pass

    def tearDown(self):
        pass

    @patch('CreateSwarmReview.requests')
    def testCreateSwarmReview(self, requests_mock):
        """trigger fires and sends expected info to Swarm"""
        self.server = testp4.P4Server()
        trig_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "CreateSwarmReview.py")
        config_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "test_config.yaml")
        p4 = self.server.p4
        p4.logger = self.logger
        # # This works if no spaces in server root pathname!
        # port = p4.port.replace('"', '')
        # self.logger.debug("port: |%s|" % port)
        # triggers = p4.fetch_triggers()
        # triggers['Triggers'] = ['create_swarm_review change-commit //... " python ' + trig_path +
        #                         " -p %quote%" + port + "%quote% -u " + p4.user +
        #                         " -c %s " % config_path +
        #                        '  %change% "']
        # self.logger.debug(triggers)
        # p4.save_triggers(triggers)
        # # Reconnect to pick up changes
        p4.disconnect()
        p4.connect()

        inside = localDirectory(self.server.client_root, "inside")
        inside_file1 = os.path.join(inside, "inside_file1")
        create_file(inside_file1, 'Test content')

        p4.run('add', inside_file1)
        result = p4.run('submit', '-d', 'inside_file1 added')
        self.assertEquals("1", result[-1]['submittedChange'])

        outside = localDirectory(self.server.client_root, "outside")
        outside_file1 = os.path.join(outside, "outside_file1")
        create_file(outside_file1, 'Test content')

        p4.run('add', outside_file1)
        result = p4.run('submit', '-d', 'outside_file1 added')
        self.assertEquals("2", result[-1]['submittedChange'])

        p4.run('edit', inside_file1)
        append_to_file(inside_file1, "New line")
        result = p4.run('submit', '-d', 'inside_file1 edited')
        self.assertEquals("3", result[-1]['submittedChange'])

        p4.run('edit', inside_file1)
        append_to_file(inside_file1, "New line")
        result = p4.run('submit', '-d', 'inside_file1 edited again')
        self.assertEquals("4", result[-1]['submittedChange'])

        trig_args = ["-p", p4.port, "-u", p4.user, "-c", config_path, "--test-mode", "1"]
        get_call_count = 0
        post_call_count = 0

        # Test exclusionary mapping
        with open(config_path, "w") as f:
            f.write("""
api: "api/v6"
user: swarmtest
ticket: A123453
review_description:
  - "Please review me!"
  - "Don't forget to check YYYY"
projects:
  - name:           ProjectA
    create_review:  y
    require_job:    y
    update_review:  n
    depot_paths:
    - //depot/inside/...
    - "-//depot/inside/*_file1"
    default_reviewers:
    - user1
    - user2
""")

        trig = CreateSwarmReview(*trig_args)
        result = trig.run()
        self.assertEqual(0, result)
        # Hasn't been called
        self.assertEqual(get_call_count, requests_mock.get.call_count)
        self.assertEqual(post_call_count, requests_mock.post.call_count)

        with open(config_path, "w") as f:
            f.write("""
api: "api/v6"
user: swarmtest
ticket: A123453
review_description:
  - "Please review me!"
  - "Don't forget to check YYYY"
projects:
  - name:           ProjectA
    create_review:  y
    require_job:    y
    update_review:  y
    depot_paths:
    - //depot/inside/...
    default_reviewers:
    - user1
    - user2
""")

        #----------------------------------------
        # For a path config file defines as inside we should call.
        trig = CreateSwarmReview(*trig_args)
        result = trig.run()
        self.assertEqual(0, result)
        post_call_count += 1    # Expect an update
        self.assertEqual(get_call_count, requests_mock.get.call_count)
        self.assertEqual(post_call_count, requests_mock.post.call_count)
        args, kwargs = requests_mock.post.call_args_list[post_call_count - 1]
        self.assertEqual(('http://swarm.dev/api/v6/reviews',), args)
        self.assertDictEqual({'auth': ('swarmtest', 'A123453'),
                'data': {'reviewers': ['user1', 'user2'],
                         'description': "Please review me!\nDon't forget to check YYYY", 'change': '1'}}, kwargs)


        #----------------------------------------
        # For a path config file defined as outside the project we should not call Swarm
        trig_args[-1] = "2"
        trig = CreateSwarmReview(*trig_args)
        result = trig.run()
        self.assertEqual(0, result)
        # Hasn't been called again!
        self.assertEqual(1, requests_mock.post.call_count)

        #----------------------------------------
        # If no job exists then same file results in a new review
        trig_args[-1] = "3"
        trig = CreateSwarmReview(*trig_args)
        result = trig.run()
        self.assertEqual(0, result)
        post_call_count += 1
        self.assertEqual(get_call_count, requests_mock.get.call_count)
        self.assertEqual(post_call_count, requests_mock.post.call_count)
        args, kwargs = requests_mock.post.call_args_list[post_call_count - 1]
        self.assertEqual(('http://swarm.dev/api/v6/reviews',), args)
        self.assertDictEqual({'auth': ('swarmtest', 'A123453'),
                'data': {'reviewers': ['user1', 'user2'],
                         'description': "Please review me!\nDon't forget to check YYYY", 'change': '3'}}, kwargs)

        #----------------------------------------
        # With a job, review is updated
        job = p4.fetch_job()
        job['Description'] = 'test job'
        p4.save_job(job)
        p4.run('fix', '-c', '1', 'job000001')
        p4.run('fix', '-c', '4', 'job000001')
        fixes = p4.run('fixes', '-j', 'job000001')
        self.assertEquals(2, len(fixes))

        # Construct our mock response object, giving it relevant expected behaviours
        mock_response = Mock()
        review_response = {"lastSeen":813,
                           "reviews":[
                               {"id":815,"author":"perforce","changes":[814,816,817],"comments":[0,0],"commits":[817],
                              "commitStatus":[],"created":1509095267,"deployDetails":[],"deployStatus":None,
                              "description":"asdfasdf","groups":["longlived"],
                              "participants":{"perforce":[]},"pending":False,"projects":[],"state":"approved",
                              "stateLabel":"Approved","testDetails":[],"testStatus":None,"type":"default",
                              "updated":1509096701,"updateDate":"2017-10-27T09:31:41+00:00"}],
                           "totalCount":1}
        mock_response.json.return_value = review_response

        # Assign our mock response as the result of our patched function
        requests_mock.get.return_value = mock_response

        trig_args[-1] = "4"
        trig = CreateSwarmReview(*trig_args)
        result = trig.run()
        self.assertEqual(0, result)
        get_call_count += 1
        post_call_count += 1
        self.assertEqual(get_call_count, requests_mock.get.call_count)
        self.assertEqual(post_call_count, requests_mock.post.call_count)
        args, kwargs = requests_mock.post.call_args_list[post_call_count - 1]
        self.assertEqual(('http://swarm.dev/api/v6/reviews/815/changes/',), args)
        self.assertDictEqual({'auth': ('swarmtest', 'A123453'),
                'data': {'change': '4', 'id': '815'}}, kwargs)


        #----------------------------------------
        # Now just create another job and submit a change

        # Test description templating
        with open(config_path, "w") as f:
            f.write("""
api: "api/v6"
user: swarmtest
ticket: A123453
review_description:
  - "$jobDescription"
  - "$changeDescription"
  - "Extra text"
projects:
  - name:           ProjectA
    create_review:  y
    require_job:    y
    update_review:  y
    depot_paths:
    - //depot/inside/...
    default_reviewers:
    - user1
    - user2
""")

        p4.run('edit', inside_file1)
        append_to_file(inside_file1, "New line")
        result = p4.run('submit', '-d', 'inside_file1 edited again')
        self.assertEquals("5", result[-1]['submittedChange'])

        job = p4.fetch_job()
        job['Description'] = 'test job2'
        p4.save_job(job)
        p4.run('fix', '-c', '5', 'job000002')

        trig_args[-1] = "5"
        trig = CreateSwarmReview(*trig_args)
        result = trig.run()
        self.assertEqual(0, result)
        post_call_count += 1
        self.assertEqual(get_call_count, requests_mock.get.call_count)
        self.assertEqual(post_call_count, requests_mock.post.call_count)
        args, kwargs = requests_mock.post.call_args_list[post_call_count - 1]
        self.assertEqual(('http://swarm.dev/api/v6/reviews',), args)
        self.assertDictEqual({'auth': ('swarmtest', 'A123453'),
                'data': {'reviewers': ['user1', 'user2'],
                         'description': "test job2\n\ninside_file1 edited again\nExtra text", 'change': '5'}}, kwargs)

if __name__ == '__main__':
    unittest.main()