# coding=utf-8

"""
Some generic utilities
"""

"""
Copyright 2012-2014  Anthony Beville

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
import sys
import os
import re
import platform
import locale
import codecs
from settings import ComicTaggerSettings
	
class UtilsVars:
	already_fixed_encoding = False

def get_actual_preferred_encoding():
	preferred_encoding = locale.getpreferredencoding()
	if platform.system() == "Darwin":	
		preferred_encoding = "utf-8"
	return preferred_encoding
	
def fix_output_encoding( ):
	if not UtilsVars.already_fixed_encoding:
		# this reads the environment and inits the right locale
		locale.setlocale(locale.LC_ALL, "")

		# try to make stdout/stderr encodings happy for unicode printing
		preferred_encoding = get_actual_preferred_encoding()
		sys.stdout = codecs.getwriter(preferred_encoding)(sys.stdout)
		sys.stderr = codecs.getwriter(preferred_encoding)(sys.stderr)
		UtilsVars.already_fixed_encoding = True

def get_recursive_filelist( pathlist ):
	"""
	Get a recursive list of of all files under all path items in the list
	"""
	filename_encoding = sys.getfilesystemencoding()	
	filelist = []
	for p in pathlist:
		# if path is a folder, walk it recursivly, and all files underneath
		if type(p) == str:
			#make sure string is unicode
			p = p.decode(filename_encoding) #, 'replace')
		elif type(p) != unicode:
			#it's probably a QString
			p = unicode(p)
		
		if os.path.isdir( p ):
			for root,dirs,files in os.walk( p ):
				for f in files:
					if type(f) == str:
						#make sure string is unicode
						f = f.decode(filename_encoding, 'replace')
					elif type(f) != unicode:
						#it's probably a QString
						f = unicode(f)
					filelist.append(os.path.join(root,f))
		else:
			filelist.append(p)
	
	return filelist
	
def listToString( l ):
	string = ""
	if l is not None:
		for item in l:
			if len(string) > 0:
				string += ", "
			string += item 
	return string
		
def addtopath( dirname ):
	if dirname is not None and dirname != "":
		
		# verify that path doesn't already contain the given dirname
		tmpdirname = re.escape(dirname)
		pattern = r"{sep}{dir}$|^{dir}{sep}|{sep}{dir}{sep}|^{dir}$".format( dir=tmpdirname, sep=os.pathsep)
		
		match = re.search(pattern, os.environ['PATH'])
		if not match:	
			os.environ['PATH'] = dirname + os.pathsep + os.environ['PATH']

# returns executable path, if it exists
def which(program):
 
	def is_exe(fpath):
		return os.path.isfile(fpath) and os.access(fpath, os.X_OK)

	fpath, fname = os.path.split(program)
	if fpath:
		if is_exe(program):
			return program
	else:
		for path in os.environ["PATH"].split(os.pathsep):
			exe_file = os.path.join(path, program)
			if is_exe(exe_file):
				return exe_file

	return None

def removearticles( text ):
	text = text.lower()
	articles = ['and', 'the', 'a', '&', 'issue' ]
	newText = ''
	for word in text.split(' '):
		if word not in articles:
			newText += word+' '
	
	newText = newText[:-1]
	
	# now get rid of some other junk
	newText = newText.replace(":", "")
	newText = newText.replace(",", "")
	newText = newText.replace("-", " ")

	# since the CV api changed, searches for series names with periods
	# now explicity require the period to be in the search key,
	# so the line below is removed (for now)
	#newText = newText.replace(".", "")
	
	return newText


def unique_file(file_name):
	counter = 1
	file_name_parts = os.path.splitext(file_name) # returns ('/path/file', '.ext')
	while 1:
		if not os.path.lexists( file_name):
			return file_name
		file_name = file_name_parts[0] + ' (' + str(counter) + ')' + file_name_parts[1]
		counter += 1


# -o- coding: utf-8 -o-
# ISO639 python dict 
# oficial list in http://www.loc.gov/standards/iso639-2/php/code_list.php

lang_dict = {
	'ab': 'Abkhaz',
	'aa': 'Afar',
	'af': 'Afrikaans',
	'ak': 'Akan',
	'sq': 'Albanian',
	'am': 'Amharic',
	'ar': 'Arabic',
	'an': 'Aragonese',
	'hy': 'Armenian',
	'as': 'Assamese',
	'av': 'Avaric',
	'ae': 'Avestan',
	'ay': 'Aymara',
	'az': 'Azerbaijani',
	'bm': 'Bambara',
	'ba': 'Bashkir',
	'eu': 'Basque',
	'be': 'Belarusian',
	'bn': 'Bengali',
	'bh': 'Bihari',
	'bi': 'Bislama',
	'bs': 'Bosnian',
	'br': 'Breton',
	'bg': 'Bulgarian',
	'my': 'Burmese',
	'ca': 'Catalan; Valencian',
	'ch': 'Chamorro',
	'ce': 'Chechen',
	'ny': 'Chichewa; Chewa; Nyanja',
	'zh': 'Chinese',
	'cv': 'Chuvash',
	'kw': 'Cornish',
	'co': 'Corsican',
	'cr': 'Cree',
	'hr': 'Croatian',
	'cs': 'Czech',
	'da': 'Danish',
	'dv': 'Divehi; Maldivian;',
	'nl': 'Dutch',
	'dz': 'Dzongkha',
	'en': 'English',
	'eo': 'Esperanto',
	'et': 'Estonian',
	'ee': 'Ewe',
	'fo': 'Faroese',
	'fj': 'Fijian',
	'fi': 'Finnish',
	'fr': 'French',
	'ff': 'Fula',
	'gl': 'Galician',
	'ka': 'Georgian',
	'de': 'German',
	'el': 'Greek, Modern',
	'gn': 'Guaraní',
	'gu': 'Gujarati',
	'ht': 'Haitian',
	'ha': 'Hausa',
	'he': 'Hebrew (modern)',
	'hz': 'Herero',
	'hi': 'Hindi',
	'ho': 'Hiri Motu',
	'hu': 'Hungarian',
	'ia': 'Interlingua',
	'id': 'Indonesian',
	'ie': 'Interlingue',
	'ga': 'Irish',
	'ig': 'Igbo',
	'ik': 'Inupiaq',
	'io': 'Ido',
	'is': 'Icelandic',
	'it': 'Italian',
	'iu': 'Inuktitut',
	'ja': 'Japanese',
	'jv': 'Javanese',
	'kl': 'Kalaallisut',
	'kn': 'Kannada',
	'kr': 'Kanuri',
	'ks': 'Kashmiri',
	'kk': 'Kazakh',
	'km': 'Khmer',
	'ki': 'Kikuyu, Gikuyu',
	'rw': 'Kinyarwanda',
	'ky': 'Kirghiz, Kyrgyz',
	'kv': 'Komi',
	'kg': 'Kongo',
	'ko': 'Korean',
	'ku': 'Kurdish',
	'kj': 'Kwanyama, Kuanyama',
	'la': 'Latin',
	'lb': 'Luxembourgish',
	'lg': 'Luganda',
	'li': 'Limburgish',
	'ln': 'Lingala',
	'lo': 'Lao',
	'lt': 'Lithuanian',
	'lu': 'Luba-Katanga',
	'lv': 'Latvian',
	'gv': 'Manx',
	'mk': 'Macedonian',
	'mg': 'Malagasy',
	'ms': 'Malay',
	'ml': 'Malayalam',
	'mt': 'Maltese',
	'mi': 'Māori',
	'mr': 'Marathi (Marāṭhī)',
	'mh': 'Marshallese',
	'mn': 'Mongolian',
	'na': 'Nauru',
	'nv': 'Navajo, Navaho',
	'nb': 'Norwegian Bokmål',
	'nd': 'North Ndebele',
	'ne': 'Nepali',
	'ng': 'Ndonga',
	'nn': 'Norwegian Nynorsk',
	'no': 'Norwegian',
	'ii': 'Nuosu',
	'nr': 'South Ndebele',
	'oc': 'Occitan',
	'oj': 'Ojibwe, Ojibwa',
	'cu': 'Old Church Slavonic',
	'om': 'Oromo',
	'or': 'Oriya',
	'os': 'Ossetian, Ossetic',
	'pa': 'Panjabi, Punjabi',
	'pi': 'Pāli',
	'fa': 'Persian',
	'pl': 'Polish',
	'ps': 'Pashto, Pushto',
	'pt': 'Portuguese',
	'qu': 'Quechua',
	'rm': 'Romansh',
	'rn': 'Kirundi',
	'ro': 'Romanian, Moldavan',
	'ru': 'Russian',
	'sa': 'Sanskrit (Saṁskṛta)',
	'sc': 'Sardinian',
	'sd': 'Sindhi',
	'se': 'Northern Sami',
	'sm': 'Samoan',
	'sg': 'Sango',
	'sr': 'Serbian',
	'gd': 'Scottish Gaelic',
	'sn': 'Shona',
	'si': 'Sinhala, Sinhalese',
	'sk': 'Slovak',
	'sl': 'Slovene',
	'so': 'Somali',
	'st': 'Southern Sotho',
	'es': 'Spanish; Castilian',
	'su': 'Sundanese',
	'sw': 'Swahili',
	'ss': 'Swati',
	'sv': 'Swedish',
	'ta': 'Tamil',
	'te': 'Telugu',
	'tg': 'Tajik',
	'th': 'Thai',
	'ti': 'Tigrinya',
	'bo': 'Tibetan',
	'tk': 'Turkmen',
	'tl': 'Tagalog',
	'tn': 'Tswana',
	'to': 'Tonga',
	'tr': 'Turkish',
	'ts': 'Tsonga',
	'tt': 'Tatar',
	'tw': 'Twi',
	'ty': 'Tahitian',
	'ug': 'Uighur, Uyghur',
	'uk': 'Ukrainian',
	'ur': 'Urdu',
	'uz': 'Uzbek',
	've': 'Venda',
	'vi': 'Vietnamese',
	'vo': 'Volapük',
	'wa': 'Walloon',
	'cy': 'Welsh',
	'wo': 'Wolof',
	'fy': 'Western Frisian',
	'xh': 'Xhosa',
	'yi': 'Yiddish',
	'yo': 'Yoruba',
	'za': 'Zhuang, Chuang',
	'zu': 'Zulu',
}


countries = [
	('AF', 'Afghanistan'),
	('AL', 'Albania'),
	('DZ', 'Algeria'),
	('AS', 'American Samoa'),
	('AD', 'Andorra'),
	('AO', 'Angola'),
	('AI', 'Anguilla'),
	('AQ', 'Antarctica'),
	('AG', 'Antigua And Barbuda'),
	('AR', 'Argentina'),
	('AM', 'Armenia'),
	('AW', 'Aruba'),
	('AU', 'Australia'),
	('AT', 'Austria'),
	('AZ', 'Azerbaijan'),
	('BS', 'Bahamas'),
	('BH', 'Bahrain'),
	('BD', 'Bangladesh'),
	('BB', 'Barbados'),
	('BY', 'Belarus'),
	('BE', 'Belgium'),
	('BZ', 'Belize'),
	('BJ', 'Benin'),
	('BM', 'Bermuda'),
	('BT', 'Bhutan'),
	('BO', 'Bolivia'),
	('BA', 'Bosnia And Herzegowina'),
	('BW', 'Botswana'),
	('BV', 'Bouvet Island'),
	('BR', 'Brazil'),
	('BN', 'Brunei Darussalam'),
	('BG', 'Bulgaria'),
	('BF', 'Burkina Faso'),
	('BI', 'Burundi'),
	('KH', 'Cambodia'),
	('CM', 'Cameroon'),
	('CA', 'Canada'),
	('CV', 'Cape Verde'),
	('KY', 'Cayman Islands'),
	('CF', 'Central African Rep'),
	('TD', 'Chad'),
	('CL', 'Chile'),
	('CN', 'China'),
	('CX', 'Christmas Island'),
	('CC', 'Cocos Islands'),
	('CO', 'Colombia'),
	('KM', 'Comoros'),
	('CG', 'Congo'),
	('CK', 'Cook Islands'),
	('CR', 'Costa Rica'),
	('CI', 'Cote D`ivoire'),
	('HR', 'Croatia'),
	('CU', 'Cuba'),
	('CY', 'Cyprus'),
	('CZ', 'Czech Republic'),
	('DK', 'Denmark'),
	('DJ', 'Djibouti'),
	('DM', 'Dominica'),
	('DO', 'Dominican Republic'),
	('TP', 'East Timor'),
	('EC', 'Ecuador'),
	('EG', 'Egypt'),
	('SV', 'El Salvador'),
	('GQ', 'Equatorial Guinea'),
	('ER', 'Eritrea'),
	('EE', 'Estonia'),
	('ET', 'Ethiopia'),
	('FK', 'Falkland Islands (Malvinas)'),
	('FO', 'Faroe Islands'),
	('FJ', 'Fiji'),
	('FI', 'Finland'),
	('FR', 'France'),
	('GF', 'French Guiana'),
	('PF', 'French Polynesia'),
	('TF', 'French S. Territories'),
	('GA', 'Gabon'),
	('GM', 'Gambia'),
	('GE', 'Georgia'),
	('DE', 'Germany'),
	('GH', 'Ghana'),
	('GI', 'Gibraltar'),
	('GR', 'Greece'),
	('GL', 'Greenland'),
	('GD', 'Grenada'),
	('GP', 'Guadeloupe'),
	('GU', 'Guam'),
	('GT', 'Guatemala'),
	('GN', 'Guinea'),
	('GW', 'Guinea-bissau'),
	('GY', 'Guyana'),
	('HT', 'Haiti'),
	('HN', 'Honduras'),
	('HK', 'Hong Kong'),
	('HU', 'Hungary'),
	('IS', 'Iceland'),
	('IN', 'India'),
	('ID', 'Indonesia'),
	('IR', 'Iran'),
	('IQ', 'Iraq'),
	('IE', 'Ireland'),
	('IL', 'Israel'),
	('IT', 'Italy'),
	('JM', 'Jamaica'),
	('JP', 'Japan'),
	('JO', 'Jordan'),
	('KZ', 'Kazakhstan'),
	('KE', 'Kenya'),
	('KI', 'Kiribati'),
	('KP', 'Korea (North)'),
	('KR', 'Korea (South)'),
	('KW', 'Kuwait'),
	('KG', 'Kyrgyzstan'),
	('LA', 'Laos'),
	('LV', 'Latvia'),
	('LB', 'Lebanon'),
	('LS', 'Lesotho'),
	('LR', 'Liberia'),
	('LY', 'Libya'),
	('LI', 'Liechtenstein'),
	('LT', 'Lithuania'),
	('LU', 'Luxembourg'),
	('MO', 'Macau'),
	('MK', 'Macedonia'),
	('MG', 'Madagascar'),
	('MW', 'Malawi'),
	('MY', 'Malaysia'),
	('MV', 'Maldives'),
	('ML', 'Mali'),
	('MT', 'Malta'),
	('MH', 'Marshall Islands'),
	('MQ', 'Martinique'),
	('MR', 'Mauritania'),
	('MU', 'Mauritius'),
	('YT', 'Mayotte'),
	('MX', 'Mexico'),
	('FM', 'Micronesia'),
	('MD', 'Moldova'),
	('MC', 'Monaco'),
	('MN', 'Mongolia'),
	('MS', 'Montserrat'),
	('MA', 'Morocco'),
	('MZ', 'Mozambique'),
	('MM', 'Myanmar'),
	('NA', 'Namibia'),
	('NR', 'Nauru'),
	('NP', 'Nepal'),
	('NL', 'Netherlands'),
	('AN', 'Netherlands Antilles'),
	('NC', 'New Caledonia'),
	('NZ', 'New Zealand'),
	('NI', 'Nicaragua'),
	('NE', 'Niger'),
	('NG', 'Nigeria'),
	('NU', 'Niue'),
	('NF', 'Norfolk Island'),
	('MP', 'Northern Mariana Islands'),
	('NO', 'Norway'),
	('OM', 'Oman'),
	('PK', 'Pakistan'),
	('PW', 'Palau'),
	('PA', 'Panama'),
	('PG', 'Papua New Guinea'),
	('PY', 'Paraguay'),
	('PE', 'Peru'),
	('PH', 'Philippines'),
	('PN', 'Pitcairn'),
	('PL', 'Poland'),
	('PT', 'Portugal'),
	('PR', 'Puerto Rico'),
	('QA', 'Qatar'),
	('RE', 'Reunion'),
	('RO', 'Romania'),
	('RU', 'Russian Federation'),
	('RW', 'Rwanda'),
	('KN', 'Saint Kitts And Nevis'),
	('LC', 'Saint Lucia'),
	('VC', 'St Vincent/Grenadines'),
	('WS', 'Samoa'),
	('SM', 'San Marino'),
	('ST', 'Sao Tome'),
	('SA', 'Saudi Arabia'),
	('SN', 'Senegal'),
	('SC', 'Seychelles'),
	('SL', 'Sierra Leone'),
	('SG', 'Singapore'),
	('SK', 'Slovakia'),
	('SI', 'Slovenia'),
	('SB', 'Solomon Islands'),
	('SO', 'Somalia'),
	('ZA', 'South Africa'),
	('ES', 'Spain'),
	('LK', 'Sri Lanka'),
	('SH', 'St. Helena'),
	('PM', 'St.Pierre'),
	('SD', 'Sudan'),
	('SR', 'Suriname'),
	('SZ', 'Swaziland'),
	('SE', 'Sweden'),
	('CH', 'Switzerland'),
	('SY', 'Syrian Arab Republic'),
	('TW', 'Taiwan'),
	('TJ', 'Tajikistan'),
	('TZ', 'Tanzania'),
	('TH', 'Thailand'),
	('TG', 'Togo'),
	('TK', 'Tokelau'),
	('TO', 'Tonga'),
	('TT', 'Trinidad And Tobago'),
	('TN', 'Tunisia'),
	('TR', 'Turkey'),
	('TM', 'Turkmenistan'),
	('TV', 'Tuvalu'),
	('UG', 'Uganda'),
	('UA', 'Ukraine'),
	('AE', 'United Arab Emirates'),
	('UK', 'United Kingdom'),
	('US', 'United States'),
	('UY', 'Uruguay'),
	('UZ', 'Uzbekistan'),
	('VU', 'Vanuatu'),
	('VA', 'Vatican City State'),
	('VE', 'Venezuela'),
	('VN', 'Viet Nam'),
	('VG', 'Virgin Islands (British)'),
	('VI', 'Virgin Islands (U.S.)'),
	('EH', 'Western Sahara'),
	('YE', 'Yemen'),
	('YU', 'Yugoslavia'),
	('ZR', 'Zaire'),
	('ZM', 'Zambia'),
	('ZW', 'Zimbabwe')
]



def getLanguageDict():
	return lang_dict

def getLanguageFromISO( iso ):
	if iso == None:
		return None
	else:
		return lang_dict[ iso ]


try: 
	from PyQt4 import QtGui
	qt_available = True
except ImportError:
	qt_available = False
	
if qt_available:
	def reduceWidgetFontSize( widget , delta = 2):
		f = widget.font()
		if f.pointSize() > 10:
			f.setPointSize( f.pointSize() - delta )
		widget.setFont( f )
		
	def centerWindowOnScreen( window ):
		"""
		Center the window on screen. This implemention will handle the window
		being resized or the screen resolution changing.
		"""
		# Get the current screens' dimensions...
		screen = QtGui.QDesktopWidget().screenGeometry()
		# ... and get this windows' dimensions
		mysize = window.geometry()
		# The horizontal position is calulated as screenwidth - windowwidth /2
		hpos = ( screen.width() - window.width() ) / 2
		# And vertical position the same, but with the height dimensions
		vpos = ( screen.height() - window.height() ) / 2
		# And the move call repositions the window
		window.move(hpos, vpos)		

	def centerWindowOnParent( window ):

		top_level = window
		while top_level.parent() is not None:
			top_level = top_level.parent()
			
		# Get the current screens' dimensions...
		main_window_size = top_level.geometry()
		# ... and get this windows' dimensions
		mysize = window.geometry()
		# The horizontal position is calulated as screenwidth - windowwidth /2
		hpos = ( main_window_size.width() - window.width() ) / 2
		# And vertical position the same, but with the height dimensions
		vpos = ( main_window_size.height() - window.height() ) / 2
		# And the move call repositions the window
		window.move(hpos + main_window_size.left(), vpos + main_window_size.top())

	try: 
		from PIL import Image
		from PIL import WebPImagePlugin
		import StringIO
		pil_available = True
	except ImportError:
		pil_available = False

	def getQImageFromData(image_data):
		img = QtGui.QImage()
		success = img.loadFromData( image_data )
		if not success:
			try:
				if pil_available:
					#  Qt doesn't understand the format, but maybe PIL does
					# so try to convert the image data to uncompressed tiff format
					im = Image.open(StringIO.StringIO(image_data))
					output = StringIO.StringIO()
					im.save(output, format="TIFF")
					img.loadFromData( output.getvalue() )
					success = True
			except Exception as e:
				pass
		# if still nothing, go with default image
		if not success:
			img.load(ComicTaggerSettings.getGraphic('nocover.png'))
		return img