# -*- coding: utf-8 -*-
from __future__ import print_function

import filecmp
import os
import unittest
from shutil import rmtree
from tempfile import mkdtemp

import pytest
from pelican import Pelican
from pelican.settings import read_settings

from .notebook import IPYTHON_VERSION

PLUGIN_DIR = os.path.dirname(__file__)
TEST_DATA_DIR = os.path.join(PLUGIN_DIR, 'test_data')


class TestFullRun(unittest.TestCase):
    '''Test running Pelican with the Plugin'''

    def setUp(self):
        '''Create temporary output and cache folders'''
        self.temp_path = mkdtemp(prefix='pelicantests.')
        self.temp_cache = mkdtemp(prefix='pelican_cache.')
        os.chdir(TEST_DATA_DIR)

    def tearDown(self):
        '''Remove output and cache folders'''
        rmtree(self.temp_path)
        rmtree(self.temp_cache)
        os.chdir(PLUGIN_DIR)

    @pytest.mark.skipif(IPYTHON_VERSION >= 3,
                        reason="output must be created with ipython version 2")
    def test_generate_with_ipython3(self):
        '''Test generation of site with the plugin.'''

        base_path = os.path.dirname(os.path.abspath(__file__))
        base_path = os.path.join(base_path, 'test_data')
        content_path = os.path.join(base_path, 'content')
        output_path = os.path.join(base_path, 'output')
        settings_path = os.path.join(base_path, 'pelicanconf.py')
        settings = read_settings(path=settings_path,
                                 override={'PATH': content_path,
                                           'OUTPUT_PATH': self.temp_path,
                                           'CACHE_PATH': self.temp_cache,
                                           }
                                 )

        pelican = Pelican(settings)
        pelican.run()

        # test existence
        assert os.path.exists(os.path.join(self.temp_path,
                                           'test-ipython-notebook-nb-format-3.html'))
        assert os.path.exists(os.path.join(self.temp_path,
                                           'test-ipython-notebook-nb-format-4.html'))

        # test differences
        #assert filecmp.cmp(os.path.join(output_path,
        #                                'test-ipython-notebook-v2.html'),
        #                   os.path.join(self.temp_path,
        #                                'test-ipython-notebook.html'))

    @pytest.mark.skipif(IPYTHON_VERSION < 3,
                        reason="output must be created with ipython version 3")
    def test_generate_with_ipython2(self):
        '''Test generation of site with the plugin.'''

        base_path = os.path.dirname(os.path.abspath(__file__))
        base_path = os.path.join(base_path, 'test_data')
        content_path = os.path.join(base_path, 'content')
        output_path = os.path.join(base_path, 'output')
        settings_path = os.path.join(base_path, 'pelicanconf.py')
        settings = read_settings(path=settings_path,
                                 override={'PATH': content_path,
                                           'OUTPUT_PATH': self.temp_path,
                                           'CACHE_PATH': self.temp_cache,
                                           }
                                 )

        pelican = Pelican(settings)
        pelican.run()

        # test existence
        assert os.path.exists(os.path.join(self.temp_path,
                                           'test-ipython-notebook-nb-format-3.html'))
        assert os.path.exists(os.path.join(self.temp_path,
                                           'test-ipython-notebook-nb-format-4.html'))

        # test differences
        #assert filecmp.cmp(os.path.join(output_path,
        #                                'test-ipython-notebook-v3.html'),
        #                   os.path.join(self.temp_path,
        #                                'test-ipython-notebook.html'))