vowel_list = [u"අ", u"ආ", u"ඇ", u"ඈ", u"ඉ", u"ඊ", u"උ", u"ඌ", u"ඍ", u"ඎ", u"ඏ", u"ඐ", u"එ", u"ඒ", u"ඓ", u"ඔ", u"ඕ", u"ඖ"]
sripali_list = [u"ං",u"ඃ",u"්",u"ා",u"ැ",u"ෑ",u"ි",u"ී",u"ු",u"ූ",u"ෘ",u"ෙ",u"ේ",u"ෛ",u"ො",u"ෝ",u"ෞ",u"ෟ",u"ෲ",u"ෳ","\u200d"]
big_list = vowel_list + sripali_list

special_character_list = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0", ":", ";", ".", "-", ",", "/", " ", "\n"] #*** cant inseart u"\" to here ??? :o

unwanted_symbols = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]
unwanted_symbols = unwanted_symbols + ["~", "`", "!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "_", "+", "=", "[", "]", "{", "}", "|", "	", "?", "<", ">"]

def transliterate(self):
	sin_text = self

	#remove english and unwanted symbols
	sin_text_temp_list = list(sin_text)
	sin_text_list = [x for x in sin_text_temp_list if x not in unwanted_symbols]
	#print("original is: ", sin_text_temp_list)
	#print("unwanted symbols removed list is ", sin_text_list)
	sin_text = "".join(sin_text_list)
	#print("unwanted symbols removed sin_text is ", sin_text)
	#print(type(sin_text))


	#call convert_to_phoneme function and get the halfly transliterated string
	mapped_text_list = convert_to_phoneme(sin_text)
	#print("mapped text list: ",mapped_text_list)


	a_inserted_list = insert_a(sin_text_list, mapped_text_list)
	#print( "a inserted phoneme string:", a_inserted_list)
	#print("\n")

	singlish_list = phoneme_to_english(a_inserted_list)
	#print("singlish list", singlish_list)
	singlish_word=""
	for i in singlish_list:
		singlish_word+=i
	#print(singlish_word)
	return singlish_word



	file = open("address.txt","w")
	file.write("".join(singlish_list))

def convert_to_phoneme(word):
	word_in_phoneme_list = []
	for letter in word:
		if letter == u"ං":
			word_in_phoneme_list.append(u'ŋ')
		if letter == u"ඃ":
			word_in_phoneme_list.append(u'h')
		if letter == u"අ":
			word_in_phoneme_list.append(u'a')
		if letter == u"ආ":
			word_in_phoneme_list.append(u'a:')
		if letter == u"ඇ":
			word_in_phoneme_list.append(u'æ')
		if letter == u"ඈ":
			word_in_phoneme_list.append(u'æ:')
		if letter == u"ඉ":
			word_in_phoneme_list.append(u'i')
		if letter == u"ඊ":
			word_in_phoneme_list.append(u'i:')
		if letter == u"උ":
			word_in_phoneme_list.append(u'u')
		if letter == u"ඌ":
			word_in_phoneme_list.append(u'u:')
		if letter == u"ඍ":
			word_in_phoneme_list.append(u'ri')
		if letter == u"ඎ":
			word_in_phoneme_list.append(u'ru:')
		if letter == u"ඏ":
			word_in_phoneme_list.append(u'ilu')
		if letter == u"ඐ":
			word_in_phoneme_list.append(u'ilu:')
		if letter == u"එ":
			word_in_phoneme_list.append(u'e')
		if letter == u"ඒ":
			word_in_phoneme_list.append(u'e:')
		if letter == u"ඓ":
			word_in_phoneme_list.append(u'ai')
		if letter == u"ඔ":
			word_in_phoneme_list.append(u'o')
		if letter == u"ඕ":
			word_in_phoneme_list.append(u'o:')
		if letter == u"ඖ":
			word_in_phoneme_list.append(u'ou')
		if letter == u"ක":
			word_in_phoneme_list.append(u'k')
		if letter == u"ඛ":
			word_in_phoneme_list.append(u'k')
		if letter == u"ග":
			word_in_phoneme_list.append(u'ɡ')
		if letter == u"ඝ":
			word_in_phoneme_list.append(u'ɡ_')
		if letter == u"ඞ":
			word_in_phoneme_list.append(u'ŋ')
		if letter == u"ඟ":
			word_in_phoneme_list.append(u'ɠ') # *** n දැමිය යුතු සඤ්ඥක අකුරක්
		if letter == u"ච":
			word_in_phoneme_list.append(u'c')
		if letter == u"ඡ":
			word_in_phoneme_list.append(u'c')
		if letter == u"ජ":
			word_in_phoneme_list.append(u'ɟ')
		if letter == u"ඣ":
			word_in_phoneme_list.append(u'ɟh')
		if letter == u"ඤ":
			word_in_phoneme_list.append(u'ɲ')
		if letter == u"ඥ":
			word_in_phoneme_list.append(u'jɲ')
		if letter == u"ඦ":
			word_in_phoneme_list.append(u'ʄ') # *** n දැමිය යුතු සඤ්ඥක අකුරක් - ඉඦු ඉඦු one an only word in sinhala that has ඦ
		if letter == u"ට":
			word_in_phoneme_list.append(u'ʈ')
		if letter == u"ඨ":
			word_in_phoneme_list.append(u'ʈ')
		if letter == u"ඩ":
			word_in_phoneme_list.append(u'ɖ')
		if letter == u"ඪ":
			word_in_phoneme_list.append(u'ɖ')
		if letter == u"න":
			word_in_phoneme_list.append(u'n')
		if letter == u"ණ":
			word_in_phoneme_list.append(u'n')
		if letter == u"ඬ":
			word_in_phoneme_list.append(u'ɖ_') # *** n දැමිය යුතු සඤ්ඥක අකුරක්
		if letter == u"ත":
			word_in_phoneme_list.append(u't')
		if letter == u"ථ":
			word_in_phoneme_list.append(u't')
		if letter == u"ද":
			word_in_phoneme_list.append(u'd')
		if letter == u"ධ":
			word_in_phoneme_list.append(u'd_')
		if letter == u"ඳ":
			word_in_phoneme_list.append(u'ɗ')  # *** n දැමිය යුතු සඤ්ඥක අකුරක් - e.g සඳතැන්න
		if letter == u"ප":
			word_in_phoneme_list.append(u'p')
		if letter == u"ඵ":
			word_in_phoneme_list.append(u'p')
		if letter == u"බ":
			word_in_phoneme_list.append(u'b')
		if letter == u"භ":
			word_in_phoneme_list.append(u'b_')
		if letter == u"ම":
			word_in_phoneme_list.append(u'm')
		if letter == u"ඹ":
			word_in_phoneme_list.append(u'ɓ') # *** m දැමිය යුතු සඤ්ඥක අකුර
		if letter == u"ය":
			word_in_phoneme_list.append(u'j')
		if letter == u"ර":
			word_in_phoneme_list.append(u'r')
		if letter == u"ල":
			word_in_phoneme_list.append(u'l')
		if letter == u"ව":
			word_in_phoneme_list.append(u'w')
		if letter == u"ශ":
			word_in_phoneme_list.append(u'ʃ')
		if letter == u"ෂ":
			word_in_phoneme_list.append(u'ʃ')
		if letter == u"ස":
			word_in_phoneme_list.append(u's')
		if letter == u"හ":
			word_in_phoneme_list.append(u'h')
		if letter == u"ළ":
			word_in_phoneme_list.append(u'l')
		if letter == u"ෆ":
			word_in_phoneme_list.append(u'f')
		if letter == u"්":
			word_in_phoneme_list.append(u'_')  # **** hal symbol
		if letter == "\u200d":
			word_in_phoneme_list.append(u'_')  # **** for rakaransaya
		if letter == u"ා":
			word_in_phoneme_list.append(u'a:')
		if letter == u"ැ":
			word_in_phoneme_list.append(u'æ')
		if letter == u"ෑ":
			word_in_phoneme_list.append(u'æ:')
		if letter == u"ි":
			word_in_phoneme_list.append(u'i')
		if letter == u"ී":
			word_in_phoneme_list.append(u'i:')
		if letter == u"ු":
			word_in_phoneme_list.append(u'u')
		if letter == u"ූ":
			word_in_phoneme_list.append(u'u:')
		if letter == u"ෘ":
			word_in_phoneme_list.append(u'ru')
		if letter == u"ෲ":
			word_in_phoneme_list.append(u'ru:')
		if letter == u"ෙ":
			word_in_phoneme_list.append(u'e')
		if letter == u"ේ":
			word_in_phoneme_list.append(u'e:')
		if letter == u"ෛ":
			word_in_phoneme_list.append(u'ai')
		if letter == u"ො":
			word_in_phoneme_list.append(u'o')
		if letter == u"ෝ":
			word_in_phoneme_list.append(u'o:')
		if letter == u"ෞ":
			word_in_phoneme_list.append(u'ou')
		if letter == u"ෟ":
			word_in_phoneme_list.append(u'ou')

		if letter == u"1":
			word_in_phoneme_list.append(u'1')
		if letter == u"2":
			word_in_phoneme_list.append(u'2')
		if letter == u"3":
			word_in_phoneme_list.append(u'3')
		if letter == u"4":
			word_in_phoneme_list.append(u'4')
		if letter == u"5":
			word_in_phoneme_list.append(u'5')
		if letter == u"6":
			word_in_phoneme_list.append(u'6')
		if letter == u"7":
			word_in_phoneme_list.append(u'7')
		if letter == u"8":
			word_in_phoneme_list.append(u'8')
		if letter == u"9":
			word_in_phoneme_list.append(u'9')
		if letter == u"0":
			word_in_phoneme_list.append(u'0')
		if letter == u".":
			word_in_phoneme_list.append(u'.')
		if letter == u"-":
			word_in_phoneme_list.append(u'-')
		if letter == u"/":
			word_in_phoneme_list.append(u'/')
		if letter == u" ":
			word_in_phoneme_list.append(u' ')
		if letter == u",":
			word_in_phoneme_list.append(u',')
		if letter == u"\n":
			word_in_phoneme_list.append(u'\n')
		if letter == u":":
			word_in_phoneme_list.append(u':')
		if letter == u";":
			word_in_phoneme_list.append(u':')
	# word_in_phoneme = "".join(word_in_phoneme) #converting to string
	return word_in_phoneme_list


def insert_a(sin_text_list, mapped_text_list):
	sin_text_list.append("_") # Append a dummy non effecting symbol at end of sin_text_list to overcome error of length mis match of occuring in rule 2)
	a_inserted_list = []

	for i, letter in enumerate(mapped_text_list):
		a_inserted_list.append(letter)

		# rule 1 : dont insert /a/ after a wovel phoneme representative
		if sin_text_list[i] in big_list:
			continue

		# rule 2 : don't insert /a/ after a phoneme symbol, if the next relevent symbol in sin_text_list is in sripali_list.
		elif sin_text_list[i+1] in sripali_list:
			if sin_text_list[i+1] == u"ං": #to handle special cases like පංචිකාවත්ත where ං is just after a consonent
				a_inserted_list.append('a')
			continue

		# handdle spaces, commas and new line characters
		elif letter in special_character_list:
				continue

		# rule 3 : if the letter is not filtered by above rules, then append /a/
		else:
			a_inserted_list.append('a')

	return a_inserted_list


def phoneme_to_english(word):
	word_in_singlish = []
	for letter in word:

		if letter == u"ɖ_":
			word_in_singlish.append(u'nd') # *** සඤ්ඥක අකුරු, so inseart n prior

		if letter == u"ɠ":
			word_in_singlish.append(u'ng') # *** සඤ්ඥක අකුරු, so inseart n prior

		if letter == u"ɗ":
			word_in_singlish.append(u'nd') # *** සඤ්ඥක අකුරු, so inseart n prior

		if letter == u"ʄ":
			word_in_singlish.append(u'nj') # *** සඤ්ඥක අකුරු, so inseart n prior

		if letter == u"ɓ":
			word_in_singlish.append(u'mb') # *** සඤ්ඥක අකුරු, so inseart n prior


		if letter == u"d_":
			word_in_singlish.append(u'dh')   # *** mahapprana d_ -> dh

		if letter == u"b_":
			word_in_singlish.append(u'bh')   # *** mahapprana b -> bh

		if letter == u"ɡ_":
			word_in_singlish.append(u'gh')   # *** mahapprana g_ -> gh


		if letter == u"ŋ":
			word_in_singlish.append(u'n') #some times to "ng"
			continue;
		if letter == u"h":
			word_in_singlish.append(u'h')
			continue
		if letter == u"a":
			word_in_singlish.append(u'a')  #vowel
		if letter == u"a:":
			word_in_singlish.append(u'a') #vowel
		if letter == u"æ":
			word_in_singlish.append(u'e')  #This is special case. although it should be "a", in singlish we use "e"
			                              # For example ඇල්ල -> Ella
		if letter == u"æ:":
			word_in_singlish.append(u'e') # කුරුණෑගල -> kurunEgala
		if letter == u"i":
			word_in_singlish.append(u'i')
		if letter == u"i:":
			word_in_singlish.append(u'ee') #some times "ea"
		if letter == u"u":
			word_in_singlish.append(u'u')

		if letter == u"u:":
			word_in_singlish.append(u'u') # some times "ue"
		if letter == u"ri":
			word_in_singlish.append(u'ri')
		if letter == u"ru:":
			word_in_singlish.append(u'ruu')
		if letter == u"ilu":
			word_in_singlish.append(u'ilu')
		if letter == u"ilu:":
			word_in_singlish.append(u'ilue')
		if letter == u"e":
			word_in_singlish.append(u'e')
		if letter == u"e:":
			word_in_singlish.append(u'e')
		if letter == u"ai":
			word_in_singlish.append(u'ai')
		if letter == u"o":
			word_in_singlish.append(u'o')
		if letter == u"o:":
			word_in_singlish.append(u'o')  #ex: හෝමාගම  -> homagama
		if letter == u"k":
			word_in_singlish.append(u'k')
			continue
		if letter == u"k":
			word_in_singlish.append(u'k')
		if letter == u"ɡ":
			word_in_singlish.append(u'g')
		if letter == u"ŋ":
			word_in_singlish.append(u'n')
		if letter == u"c":
			word_in_singlish.append(u'ch')
			continue
		if letter == u"c":
			word_in_singlish.append(u'ch')
		if letter == u"ɟ":
			word_in_singlish.append(u'j')
		if letter == u"ɟh":
			word_in_singlish.append(u'jh')
		if letter == u"ɲ":
			word_in_singlish.append(u'kn')
		if letter == u"jɲ":
			word_in_singlish.append(u'gn')
		if letter == u"ʈ":
			word_in_singlish.append(u't')
			continue
		if letter == u"ʈ":
			word_in_singlish.append(u't')
		if letter == u"ɖ":
			word_in_singlish.append(u'd')
			continue
		if letter == u"ɖ":
			word_in_singlish.append(u'd')
		if letter == u"n":
			word_in_singlish.append(u'n')
			continue
		if letter == u"n":
			word_in_singlish.append(u'n')
		if letter == u"t":
			word_in_singlish.append(u'th')
			continue
		if letter == u"t":
			word_in_singlish.append(u'th')
		if letter == u"d":
			word_in_singlish.append(u'd')

		if letter == u"p":
			word_in_singlish.append(u'p')
			continue
		if letter == u"p":
			word_in_singlish.append(u'p')
		if letter == u"b":
			word_in_singlish.append(u'b')
			continue
		if letter == u"m":
			word_in_singlish.append(u'm')
		if letter == u"j":
			word_in_singlish.append(u'y')
		if letter == u"r":
			word_in_singlish.append(u'r')
		if letter == u"l":
			word_in_singlish.append(u'l')
			continue
		if letter == u"w":
			word_in_singlish.append(u'w')
		if letter == u"ʃ":
			word_in_singlish.append(u'sh')
			continue
		if letter == u"ʃ":
			word_in_singlish.append(u'sh')
		if letter == u"s":
			word_in_singlish.append(u's')
		if letter == u"h":
			word_in_singlish.append(u'h')
		if letter == u"l":
			word_in_singlish.append(u'l')
		if letter == u"f":
			word_in_singlish.append(u'f')
		if letter == u"_ ":
			word_in_singlish.append(u'_')

		if letter == u"ou":
			word_in_singlish.append(u'au')
			continue
		if letter == u"ru:":
			word_in_singlish.append(u'ru')

		if letter == u"1":
			word_in_singlish.append(u'1')
		if letter == u"2":
			word_in_singlish.append(u'2')
		if letter == u"3":
			word_in_singlish.append(u'3')
		if letter == u"4":
			word_in_singlish.append(u'4')
		if letter == u"5":
			word_in_singlish.append(u'5')
		if letter == u"6":
			word_in_singlish.append(u'6')
		if letter == u"7":
			word_in_singlish.append(u'7')
		if letter == u"8":
			word_in_singlish.append(u'8')
		if letter == u"9":
			word_in_singlish.append(u'9')
		if letter == u"0":
			word_in_singlish.append(u'0')
		if letter == u".":
			word_in_singlish.append(u'.')
		if letter == u"-":
			word_in_singlish.append(u'-')
		if letter == u"/":
			word_in_singlish.append(u'/')
		if letter == u" ":
			word_in_singlish.append(u' ')
		if letter == u",":
			word_in_singlish.append(u',')
		if letter == u"\n":
			word_in_singlish.append(u'\n')
		if letter == u":":
			word_in_singlish.append(u':')
		if letter == u";":
			word_in_singlish.append(u':')

	return word_in_singlish

file= open("Sinhala_tweets_non_depression.csv","r",encoding='utf-8')
file2= open("RomanizedSinhala_Sinhala_Non_Depression_Tweets.txt","a",encoding='utf-8')

for i in file:
	word=transliterate(i)
	print(word)
	file2.write(word)
file.close()
file2.close()