#!/usr/bin/env python
# encoding: utf-8
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2017
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see [http://www.gnu.org/licenses/].
"""This module contains an object that represents Tests for Telegram Message"""

import sys
import unittest

from flaky import flaky

sys.path.append('.')

import telegram
from tests.base import BaseTest


class MessageTest(BaseTest, unittest.TestCase):
    """This object represents Tests for Telegram MessageTest."""

    def setUp(self):
        self.test_entities = [
            {
                'length': 4,
                'offset': 10,
                'type': 'bold'
            },
            {
                'length': 7,
                'offset': 16,
                'type': 'italic'
            },
            {
                'length': 4,
                'offset': 25,
                'type': 'code'
            },
            {
                'length': 5,
                'offset': 31,
                'type': 'text_link',
                'url': 'http://github.com/'
            },
            {
                'length': 3,
                'offset': 41,
                'type': 'pre'
            },
        ]

        self.test_text = 'Test for <bold, ita_lic, code, links and pre.'
        self.test_message = telegram.Message(
            message_id=1,
            from_user=None,
            date=None,
            chat=None,
            text=self.test_text,
            entities=[telegram.MessageEntity(**e) for e in self.test_entities])

    def test_parse_entity(self):
        text = (b'\\U0001f469\\u200d\\U0001f469\\u200d\\U0001f467'
                b'\\u200d\\U0001f467\\U0001f431http://google.com').decode('unicode-escape')
        entity = telegram.MessageEntity(type=telegram.MessageEntity.URL, offset=13, length=17)
        message = telegram.Message(
            message_id=1, from_user=None, date=None, chat=None, text=text, entities=[entity])
        self.assertEqual(message.parse_entity(entity), 'http://google.com')

    def test_parse_entities(self):
        text = (b'\\U0001f469\\u200d\\U0001f469\\u200d\\U0001f467'
                b'\\u200d\\U0001f467\\U0001f431http://google.com').decode('unicode-escape')
        entity = telegram.MessageEntity(type=telegram.MessageEntity.URL, offset=13, length=17)
        entity_2 = telegram.MessageEntity(type=telegram.MessageEntity.BOLD, offset=13, length=1)
        message = telegram.Message(
            message_id=1,
            from_user=None,
            date=None,
            chat=None,
            text=text,
            entities=[entity_2, entity])
        self.assertDictEqual(
            message.parse_entities(telegram.MessageEntity.URL), {entity: 'http://google.com'})
        self.assertDictEqual(message.parse_entities(),
                             {entity: 'http://google.com',
                              entity_2: 'h'})

    def test_text_html_simple(self):
        test_html_string = 'Test for &lt;<b>bold</b>, <i>ita_lic</i>, <code>code</code>, <a href="http://github.com/">links</a> and <pre>pre</pre>.'
        text_html = self.test_message.text_html
        self.assertEquals(test_html_string, text_html)

    def test_text_markdown_simple(self):
        test_md_string = 'Test for <*bold*, _ita\_lic_, `code`, [links](http://github.com/) and ```pre```.'
        text_markdown = self.test_message.text_markdown
        self.assertEquals(test_md_string, text_markdown)

    def test_text_html_emoji(self):
        text = (b'\\U0001f469\\u200d\\U0001f469\\u200d ABC').decode('unicode-escape')
        expected = (b'\\U0001f469\\u200d\\U0001f469\\u200d <b>ABC</b>').decode('unicode-escape')
        bold_entity = telegram.MessageEntity(type=telegram.MessageEntity.BOLD, offset=7, length=3)
        message = telegram.Message(
            message_id=1, from_user=None, date=None, chat=None, text=text, entities=[bold_entity])
        self.assertEquals(expected, message.text_html)

    def test_text_markdown_emoji(self):
        text = (b'\\U0001f469\\u200d\\U0001f469\\u200d ABC').decode('unicode-escape')
        expected = (b'\\U0001f469\\u200d\\U0001f469\\u200d *ABC*').decode('unicode-escape')
        bold_entity = telegram.MessageEntity(type=telegram.MessageEntity.BOLD, offset=7, length=3)
        message = telegram.Message(
            message_id=1, from_user=None, date=None, chat=None, text=text, entities=[bold_entity])
        self.assertEquals(expected, message.text_markdown)

    def test_parse_entities_url_emoji(self):
        url = b'http://github.com/?unicode=\\u2713\\U0001f469'.decode('unicode-escape')
        text = 'some url'
        link_entity = telegram.MessageEntity(type=telegram.MessageEntity.URL, offset=0, length=8, url=url)
        message = telegram.Message(
            message_id=1,
            from_user=None,
            date=None,
            chat=None,
            text=text,
            entities=[link_entity])
        self.assertDictEqual(message.parse_entities(), {link_entity: text})
        self.assertEqual(next(iter(message.parse_entities())).url, url)

    @flaky(3, 1)
    def test_reply_text(self):
        """Test for Message.reply_text"""
        message = self._bot.sendMessage(self._chat_id, '.')
        message = message.reply_text('Testing class method')

        self.assertTrue(self.is_json(message.to_json()))
        self.assertEqual(message.text, 'Testing class method')

    @flaky(3, 1)
    def test_forward(self):
        """Test for Message.forward"""
        message = self._bot.sendMessage(self._chat_id, 'Testing class method')
        message = message.forward(self._chat_id)

        self.assertTrue(self.is_json(message.to_json()))
        self.assertEqual(message.text, 'Testing class method')

    @flaky(3, 1)
    def test_edit_text(self):
        """Test for Message.edit_text"""
        message = self._bot.sendMessage(self._chat_id, '.')
        message = message.edit_text('Testing class method')

        self.assertTrue(self.is_json(message.to_json()))
        self.assertEqual(message.text, 'Testing class method')

    @flaky(3, 1)
    def test_delete1(self):
        """Test for Message.delete"""
        message = self._bot.send_message(
            chat_id=self._chat_id, text='This message will be deleted')

        self.assertTrue(message.delete())

    @flaky(3, 1)
    def test_delete2(self):
        """Another test for Message.delete"""
        message = self._bot.send_message(
            chat_id=self._chat_id,
            text='This ^ message will not be deleted',
            reply_to_message_id=1)

        with self.assertRaisesRegexp(telegram.TelegramError, "can't be deleted"):
            message.reply_to_message.delete()

    def test_equality(self):
        _id = 1
        a = telegram.Message(_id, telegram.User(1, ""), None, None)
        b = telegram.Message(_id, telegram.User(1, ""), None, None)
        c = telegram.Message(_id, telegram.User(0, ""), None, None)
        d = telegram.Message(0, telegram.User(1, ""), None, None)
        e = telegram.Update(_id)

        self.assertEqual(a, b)
        self.assertEqual(hash(a), hash(b))
        self.assertIsNot(a, b)

        self.assertEqual(a, c)
        self.assertEqual(hash(a), hash(c))

        self.assertNotEqual(a, d)
        self.assertNotEqual(hash(a), hash(d))

        self.assertNotEqual(a, e)
        self.assertNotEqual(hash(a), hash(e))


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