# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import unittest
import sys

from curtsies.window import BaseWindow, FullscreenWindow, CursorAwareWindow

if sys.version_info[0] == 3:
    from io import StringIO
else:
    from cStringIO import StringIO

try:
    from unittest import skipIf
except ImportError:
    def skipIf(condition, reason):
        if condition:
            return lambda x: x
        else:
            return lambda x: None


fds_closed = not sys.stdin.isatty() or not sys.stdout.isatty()


class FakeFullscreenWindow(FullscreenWindow):
    width = property(lambda self: 10)
    height = property(lambda self: 4)

@skipIf(fds_closed, "blessings Terminal needs streams open")
class TestBaseWindow(unittest.TestCase):
    """Pretty pathetic tests for window"""
    def test_window(self):
        fakestdout = StringIO()
        window = BaseWindow(fakestdout)
        window.write('hi')
        fakestdout.seek(0)
        self.assertEqual(fakestdout.read(), 'hi')

    def test_array_from_text(self):
        window = BaseWindow()
        a = window.array_from_text('.\n.\n.')
        self.assertEqual(a.height, 3)
        self.assertEqual(a[0], '.')
        self.assertEqual(a[1], '.')

    def test_array_from_text_rc(self):
        a = BaseWindow.array_from_text_rc('asdfe\nzx\n\n123', 3, 4)
        self.assertEqual(a.height, 3)
        self.assertEqual(a.width, 4)
        self.assertEqual(a[0], 'asdf')
        self.assertEqual(a[1], 'e')
        self.assertEqual(a[2], 'zx')

    def test_fullscreen_window(self):
        fakestdout = StringIO()
        window = FullscreenWindow(fakestdout)
        window.write('hi')
        fakestdout.seek(0)
        self.assertEqual(fakestdout.read(), 'hi')

    def test_fullscreen_render_to_terminal(self):
        fakestdout = StringIO()
        window = FakeFullscreenWindow(fakestdout)
        window.render_to_terminal(['hello', 'hello', 'hello'])
        fakestdout.seek(0)
        output = fakestdout.read()
        self.assertEqual(output.count('hello'), 3)