# This file is part of beets.
# Copyright 2016, Jesse Weinstein
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

"""Tests for the play plugin"""


import os
import sys

import unittest
from unittest.mock import patch, ANY

from test.helper import TestHelper, control_stdin

from beets.ui import UserError
from beets.util import open_anything


@patch('beetsplug.play.util.interactive_open')
class PlayPluginTest(unittest.TestCase, TestHelper):
    def setUp(self):
        self.setup_beets()
        self.load_plugins('play')
        self.item = self.add_item(album='a nice älbum', title='aNiceTitle')
        self.lib.add_album([self.item])
        self.config['play']['command'] = 'echo'

    def tearDown(self):
        self.teardown_beets()
        self.unload_plugins()

    def run_and_assert(self, open_mock, args=('title:aNiceTitle',),
                       expected_cmd='echo', expected_playlist=None):
        self.run_command('play', *args)

        open_mock.assert_called_once_with(ANY, expected_cmd)
        expected_playlist = expected_playlist or self.item.path.decode('utf-8')
        exp_playlist = expected_playlist + '\n'
        with open(open_mock.call_args[0][0][0], 'rb') as playlist:
            self.assertEqual(exp_playlist, playlist.read().decode('utf-8'))

    def test_basic(self, open_mock):
        self.run_and_assert(open_mock)

    def test_album_option(self, open_mock):
        self.run_and_assert(open_mock, ['-a', 'nice'])

    def test_args_option(self, open_mock):
        self.run_and_assert(
            open_mock, ['-A', 'foo', 'title:aNiceTitle'], 'echo foo')

    def test_args_option_in_middle(self, open_mock):
        self.config['play']['command'] = 'echo $args other'

        self.run_and_assert(
            open_mock, ['-A', 'foo', 'title:aNiceTitle'], 'echo foo other')

    def test_unset_args_option_in_middle(self, open_mock):
        self.config['play']['command'] = 'echo $args other'

        self.run_and_assert(
            open_mock, ['title:aNiceTitle'], 'echo other')

    @unittest.skipIf(sys.platform, 'win32')  # FIXME: fails on windows
    def test_relative_to(self, open_mock):
        self.config['play']['command'] = 'echo'
        self.config['play']['relative_to'] = '/something'

        path = os.path.relpath(self.item.path, b'/something')
        playlist = path.decode('utf-8')
        self.run_and_assert(
            open_mock, expected_cmd='echo', expected_playlist=playlist)

    def test_use_folders(self, open_mock):
        self.config['play']['command'] = None
        self.config['play']['use_folders'] = True
        self.run_command('play', '-a', 'nice')

        open_mock.assert_called_once_with(ANY, open_anything())
        with open(open_mock.call_args[0][0][0], 'rb') as f:
            playlist = f.read().decode('utf-8')
        self.assertEqual('{}\n'.format(
            os.path.dirname(self.item.path.decode('utf-8'))),
            playlist)

    def test_raw(self, open_mock):
        self.config['play']['raw'] = True

        self.run_command('play', 'nice')

        open_mock.assert_called_once_with([self.item.path], 'echo')

    def test_not_found(self, open_mock):
        self.run_command('play', 'not found')

        open_mock.assert_not_called()

    def test_warning_threshold(self, open_mock):
        self.config['play']['warning_threshold'] = 1
        self.add_item(title='another NiceTitle')

        with control_stdin("a"):
            self.run_command('play', 'nice')

        open_mock.assert_not_called()

    def test_skip_warning_threshold_bypass(self, open_mock):
        self.config['play']['warning_threshold'] = 1
        self.other_item = self.add_item(title='another NiceTitle')

        expected_playlist = '{}\n{}'.format(
            self.item.path.decode('utf-8'),
            self.other_item.path.decode('utf-8'))

        with control_stdin("a"):
            self.run_and_assert(
                open_mock,
                ['-y', 'NiceTitle'],
                expected_playlist=expected_playlist)

    def test_command_failed(self, open_mock):
        open_mock.side_effect = OSError("some reason")

        with self.assertRaises(UserError):
            self.run_command('play', 'title:aNiceTitle')


def suite():
    return unittest.TestLoader().loadTestsFromName(__name__)

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