# This file is part of ReText
# Copyright: 2014-2022 Dmitry Shachnev
#
# 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 2 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/>.

import unittest
import tempfile
import sys

from os.path import basename, dirname, splitext
from PyQt6.QtCore import Qt, QSettings
from PyQt6.QtGui import QColor
from PyQt6.QtWidgets import QApplication
from ReText import readListFromSettings, writeListToSettings, \
 readFromSettings, writeToSettings
from ReText.editor import getColor, updateColorScheme

# For this particular test, QCoreApplication is enough. However, we should
# only have one QCoreApplication instance for all tests in a process. As
# other tests need QApplication, we should not create a bare QCoreApplication
# here. Also, keep a reference so it is not garbage collected.
QApplication.setAttribute(Qt.ApplicationAttribute.AA_ShareOpenGLContexts)
app = QApplication.instance() or QApplication(sys.argv)

class TestSettings(unittest.TestCase):
	def setUp(self):
		self.tempFile = tempfile.NamedTemporaryFile(prefix='retext-', suffix='.ini')
		baseName = splitext(basename(self.tempFile.name))[0]
		QSettings.setPath(QSettings.Format.IniFormat, QSettings.Scope.UserScope,
		                  dirname(self.tempFile.name))
		self.settings = QSettings(QSettings.Format.IniFormat,
		                          QSettings.Scope.UserScope, baseName)

	def tearDown(self):
		del self.settings # this should be deleted before tempFile

	def test_storingLists(self):
		data = (
			['1', '2', '3', 'test'],
			[],
			['1'],
			['true'],
			['foo, bar', 'foo, bar']
		)
		for l in data:
			writeListToSettings('testList', l, self.settings)
			lnew = readListFromSettings('testList', self.settings)
			self.assertListEqual(lnew, l)

	def test_storingBooleans(self):
		writeToSettings('testBool', 1, None, self.settings)
		self.assertTrue(readFromSettings('testBool', bool, self.settings))
		writeToSettings('testBool', 'false', None, self.settings)
		self.assertFalse(readFromSettings('testBool', bool, self.settings))
		writeToSettings('testBool', 0, None, self.settings)
		self.assertFalse(readFromSettings('testBool', bool, self.settings))

	def test_storingColors(self):
		self.settings.setValue('ColorScheme/htmlTags', 'green')
		self.settings.setValue('ColorScheme/htmlSymbols', '#ff8800')
		self.settings.setValue('ColorScheme/htmlComments', '#abc')
		updateColorScheme(self.settings)
		self.assertEqual(getColor('htmlTags'), QColor(0x00, 0x80, 0x00))
		self.assertEqual(getColor('htmlSymbols'), QColor(0xff, 0x88, 0x00))
		self.assertEqual(getColor('htmlStrings'), Qt.GlobalColor.darkYellow) # default
		self.assertEqual(getColor('htmlComments'), QColor(0xaa, 0xbb, 0xcc))

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