# -*- coding: utf-8 -*-

from itertools import islice

import pytest

from util.validation import is_json, validate_label_key, generate_valid_usernames, validate_username

@pytest.mark.parametrize('username, is_valid', [
  ('ja', True),
  ('jak', True),
  ('jake', True),
  ('ja_ke', True),
  ('te-st', True),
  ('te.st', True),

  ('z' * 30, True),
  ('z' * 255, True),

  ('j', False),

  ('z' * 256, False),

  ('_test', False),
  ('Test', False),
  ('hello world', False),
  (u'hello→world', False),
  ('te---st', False),
])
def test_validate_username(username, is_valid):
  valid, _ = validate_username(username)
  assert valid == is_valid


@pytest.mark.parametrize('string_value,expected', [
  ('{}', True),
  ('[]', True),
  ('[hello world]', False),
  ('{hello world}', False),
  ('[test] this is a test', False),
  ('hello world', False),
  ('{"hi": "there"}', True),
  ('[1, 2, 3, 4]', True),
  ('[1, 2, {"num": 3}, 4]', True),
])
def test_is_json(string_value, expected):
  assert is_json(string_value) == expected


@pytest.mark.parametrize('key, is_valid', [
  ('foo', True),
  ('bar', True),

  ('foo1', True),
  ('bar2', True),

  ('1', True),
  ('12', True),
  ('123', True),
  ('1234', True),

  ('git-sha', True),

  ('com.coreos.something', True),
  ('io.quay.git-sha', True),

  ('', False),
  ('git_sha', False),

  ('-125', False),
  ('-foo', False),
  ('foo-', False),
  ('123-', False),

  ('foo--bar', False),
  ('foo..bar', False),
])
def test_validate_label_key(key, is_valid):
  assert validate_label_key(key) == is_valid


@pytest.mark.parametrize('input_username, expected_output', [
  ('jake', 'jake'),
  ('frank', 'frank'),
  ('fra-nk', 'fra_nk'),

  ('Jake', 'jake'),
  ('FranK', 'frank'),

  ('ja__ke', 'ja_ke'),
  ('ja___ke', 'ja_ke'),

  ('ja__', 'ja'),
  ('jake__', 'jake'),

  ('_jake', 'jake'),

  ('a', 'a0'),
  ('ab', 'ab'),
  ('abc', 'abc'),

  ('abcdefghijklmnopqrstuvwxyz1234567890', 'abcdefghijklmnopqrstuvwxyz1234567890'),
  ('c' * 256, 'c' * 255),

  (u'\xc6neid', 'aeneid'),
  (u'\xe9tude', 'etude'),
  (u'\u5317\u4eb0', 'bei_jing'),
  (u'\u1515\u14c7\u14c7', 'shanana'),
  (u'\u13d4\u13b5\u13c6', 'taliqua'),
  (u'\u0726\u071b\u073d\u0710\u073a', 'ptu_i'),
  (u'\u0905\u092d\u093f\u091c\u0940\u0924', 'abhijiit'),
  (u'\u0985\u09ad\u09bf\u099c\u09c0\u09a4', 'abhijiit'),
  (u'\u0d05\u0d2d\u0d3f\u0d1c\u0d40\u0d24', 'abhijiit'),
  (u'\u0d2e\u0d32\u0d2f\u0d3e\u0d32\u0d2e\u0d4d', 'mlyaalm'),
  (u'\ue000', '00'),
  (u'\u03ff', '00'),

  (u'\u0d2e\u0d32\u03ff\u03ff\u0d2e\u0d32', 'mlml'),
])
def test_generate_valid_usernames(input_username, expected_output):
  name_gen = generate_valid_usernames(input_username)
  generated_output = list(islice(name_gen, 1))[0]
  assert generated_output == expected_output


def test_multiple_suggestions():
  name_gen = generate_valid_usernames('a')
  generated_output = list(islice(name_gen, 4))
  assert generated_output[0] == 'a0'
  assert generated_output[1] == 'a1'
  assert generated_output[2] == 'a2'
  assert generated_output[3] == 'a3'