# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
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# Copyright (c) 2008-2017 OpenLP Developers                                   #
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"""
This module contains tests for the WordProject Bible importer.
"""
import os
from unittest import TestCase
from unittest.mock import MagicMock, patch, call

from openlp.plugins.bibles.lib.importers.wordproject import WordProjectBible


TEST_PATH = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                         '..', '..', '..', 'resources', 'bibles'))
INDEX_PAGE = open(os.path.join(TEST_PATH, 'wordproject_index.htm')).read()
CHAPTER_PAGE = open(os.path.join(TEST_PATH, 'wordproject_chapter.htm')).read()


class TestWordProjectImport(TestCase):
    """
    Test the functions in the :mod:`wordprojectimport` module.
    """

    def setUp(self):
        self.registry_patcher = patch('openlp.plugins.bibles.lib.bibleimport.Registry')
        self.addCleanup(self.registry_patcher.stop)
        self.registry_patcher.start()
        self.manager_patcher = patch('openlp.plugins.bibles.lib.db.Manager')
        self.addCleanup(self.manager_patcher.stop)
        self.manager_patcher.start()

    @patch('openlp.plugins.bibles.lib.importers.wordproject.os')
    @patch('openlp.plugins.bibles.lib.importers.wordproject.copen')
    def test_process_books(self, mocked_open, mocked_os):
        """
        Test the process_books() method
        """
        # GIVEN: A WordProject importer and a bunch of mocked things
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')
        importer.base_dir = ''
        importer.stop_import_flag = False
        importer.language_id = 'en'
        mocked_open.return_value.__enter__.return_value.read.return_value = INDEX_PAGE
        mocked_os.path.join.side_effect = lambda *x: ''.join(x)

        # WHEN: process_books() is called
        with patch.object(importer, 'find_and_create_book') as mocked_find_and_create_book, \
                patch.object(importer, 'process_chapters') as mocked_process_chapters, \
                patch.object(importer, 'session') as mocked_session:
            importer.process_books()

        # THEN: The right methods should have been called
        mocked_os.path.join.assert_called_once_with('', 'index.htm')
        mocked_open.assert_called_once_with('index.htm', encoding='utf-8', errors='ignore')
        assert mocked_find_and_create_book.call_count == 66, 'There should be 66 books'
        assert mocked_process_chapters.call_count == 66, 'There should be 66 books'
        assert mocked_session.commit.call_count == 66, 'There should be 66 books'

    @patch('openlp.plugins.bibles.lib.importers.wordproject.os')
    @patch('openlp.plugins.bibles.lib.importers.wordproject.copen')
    def test_process_chapters(self, mocked_open, mocked_os):
        """
        Test the process_chapters() method
        """
        # GIVEN: A WordProject importer and a bunch of mocked things
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')
        importer.base_dir = ''
        importer.stop_import_flag = False
        importer.language_id = 'en'
        mocked_open.return_value.__enter__.return_value.read.return_value = CHAPTER_PAGE
        mocked_os.path.join.side_effect = lambda *x: ''.join(x)
        mocked_os.path.normpath.side_effect = lambda x: x
        mocked_db_book = MagicMock()
        mocked_db_book.name = 'Genesis'
        book_id = 1
        book_link = '01/1.htm'

        # WHEN: process_chapters() is called
        with patch.object(importer, 'set_current_chapter') as mocked_set_current_chapter, \
                patch.object(importer, 'process_verses') as mocked_process_verses:
            importer.process_chapters(mocked_db_book, book_id, book_link)

        # THEN: The right methods should have been called
        expected_set_current_chapter_calls = [call('Genesis', ch) for ch in range(1, 51)]
        expected_process_verses_calls = [call(mocked_db_book, 1, ch) for ch in range(1, 51)]
        mocked_os.path.join.assert_called_once_with('', '01/1.htm')
        mocked_open.assert_called_once_with('01/1.htm', encoding='utf-8', errors='ignore')
        assert mocked_set_current_chapter.call_args_list == expected_set_current_chapter_calls
        assert mocked_process_verses.call_args_list == expected_process_verses_calls

    @patch('openlp.plugins.bibles.lib.importers.wordproject.os')
    @patch('openlp.plugins.bibles.lib.importers.wordproject.copen')
    def test_process_verses(self, mocked_open, mocked_os):
        """
        Test the process_verses() method
        """
        # GIVEN: A WordProject importer and a bunch of mocked things
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')
        importer.base_dir = ''
        importer.stop_import_flag = False
        importer.language_id = 'en'
        mocked_open.return_value.__enter__.return_value.read.return_value = CHAPTER_PAGE
        mocked_os.path.join.side_effect = lambda *x: '/'.join(x)
        mocked_db_book = MagicMock()
        mocked_db_book.name = 'Genesis'
        book_number = 1
        chapter_number = 1

        # WHEN: process_verses() is called
        with patch.object(importer, 'process_verse') as mocked_process_verse:
            importer.process_verses(mocked_db_book, book_number, chapter_number)

        # THEN: All the right methods should have been called
        mocked_os.path.join.assert_called_once_with('', '01', '1.htm')
        mocked_open.assert_called_once_with('/01/1.htm', encoding='utf-8', errors='ignore')
        assert mocked_process_verse.call_count == 31

    def test_process_verse(self):
        """
        Test the process_verse() method
        """
        # GIVEN: An importer and a mocked method
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')
        mocked_db_book = MagicMock()
        mocked_db_book.id = 1
        chapter_number = 1
        verse_number = 1
        verse_text = '  In the beginning, God created the heavens and the earth   '

        # WHEN: process_verse() is called
        with patch.object(importer, 'create_verse') as mocked_create_verse:
            importer.process_verse(mocked_db_book, chapter_number, verse_number, verse_text)

        # THEN: The create_verse() method should have been called
        mocked_create_verse.assert_called_once_with(1, 1, 1, 'In the beginning, God created the heavens and the earth')

    def test_process_verse_no_text(self):
        """
        Test the process_verse() method when there's no text
        """
        # GIVEN: An importer and a mocked method
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')
        mocked_db_book = MagicMock()
        mocked_db_book.id = 1
        chapter_number = 1
        verse_number = 1
        verse_text = ''

        # WHEN: process_verse() is called
        with patch.object(importer, 'create_verse') as mocked_create_verse:
            importer.process_verse(mocked_db_book, chapter_number, verse_number, verse_text)

        # THEN: The create_verse() method should NOT have been called
        assert mocked_create_verse.call_count == 0

    def test_do_import(self):
        """
        Test the do_import() method
        """
        # GIVEN: An importer and mocked methods
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')

        # WHEN: do_import() is called
        with patch.object(importer, '_unzip_file') as mocked_unzip_file, \
                patch.object(importer, 'get_language_id') as mocked_get_language_id, \
                patch.object(importer, 'process_books') as mocked_process_books, \
                patch.object(importer, '_cleanup') as mocked_cleanup:
            mocked_get_language_id.return_value = 1
            result = importer.do_import()

        # THEN: The correct methods should have been called
        mocked_unzip_file.assert_called_once_with()
        mocked_get_language_id.assert_called_once_with(None, bible_name='kj.zip')
        mocked_process_books.assert_called_once_with()
        mocked_cleanup.assert_called_once_with()
        assert result is True

    def test_do_import_no_language(self):
        """
        Test the do_import() method when the language is not available
        """
        # GIVEN: An importer and mocked methods
        importer = WordProjectBible(MagicMock(), path='.', name='.', filename='kj.zip')

        # WHEN: do_import() is called
        with patch.object(importer, '_unzip_file') as mocked_unzip_file, \
                patch.object(importer, 'get_language_id') as mocked_get_language_id, \
                patch.object(importer, 'process_books') as mocked_process_books, \
                patch.object(importer, '_cleanup') as mocked_cleanup:
            mocked_get_language_id.return_value = None
            result = importer.do_import()

        # THEN: The correct methods should have been called
        mocked_unzip_file.assert_called_once_with()
        mocked_get_language_id.assert_called_once_with(None, bible_name='kj.zip')
        assert mocked_process_books.call_count == 0
        mocked_cleanup.assert_called_once_with()
        assert result is False