#!/usr/bin/env python
# -*- coding: utf-8 -*-
#Author: Xu jia (sanfanling)
#License:GPLv2.0

import re

class lrc:
	def __init__(self,string):
		self.string=string
		
	def format(self,rule,simbol_1,simbol_2,simbol_3,horizontal=False):

		offsetList=re.search('\[offset:(.*?)\]',self.string)
		if(offsetList):
			try:
				self.offset=int(offsetList.group(1))
			except:
				self.offset=0
		else:
			self.offset=0
		origin=re.findall('\[\d+:\d+.*?\n|\[\d+:\d+.*?$',self.string)
		new=[]
		for i in origin:
			part1=i.split(']')[-1]
			for j in re.findall('\[\d+:\d+.*?\]',i):
				new.append(j+part1)
		new1=[]
		for k in new:
			pp=k.split(']')[0][1:]#time tag, no ']' or '['
			qq=k.split(']')[1].strip()#line of lyrics
			qq=re.sub('<|>','',qq)
			if(horizontal):
				if(qq==''):
					qq=' '
				qq='!@#$%s' %qq
				
			else:
				if(qq==''):
					qq='&nbsp;'
				qq='<p align="center">%s</p>' %qq
			
			
			searchGroup=re.search('(\d+):(\d+)(.*)',pp)
			a1=int(searchGroup.group(1))*60000
			a2=int(searchGroup.group(2))*1000
			try:
				tmp=searchGroup.group(3)[1:]
				a3=int(tmp)*10**(3-len(tmp))
			except:
				a3=0
				
			ms=str(a1+a2+a3-self.offset+10000000)+'$#$#'+qq
			new1.append(ms)
		new1.sort()
		tag=[]
		context=[]
		for e in new1:
			tag.append(int(e.split('$#$#')[0])-10000000)
			context.append(e.split('$#$#')[1])
		
		########## filter lyrics function  #########
		
		if(simbol_1=='yes'):
			cloneContext=context[:]
			lineIndex=-1
			expre=unicode(rule,'utf8')
			if(simbol_3=='yes'):
				for l in cloneContext:
					lineIndex+=1
					if(re.search(expre,l,re.I)):
						if(simbol_2=='yes'):
							if(horizontal):
								context[lineIndex]='!@#$ '
							else:
								context[lineIndex]='<p align="center">&nbsp;</p>'
						else:
							del tag[lineIndex]
							del context[lineIndex]
							lineIndex-=1
			else:
				for l in cloneContext:
					lineIndex+=1
					if(re.search(expre,l)):
						if(simbol_2=='yes'):
							if(horizontal):
								context[lineIndex]='!@#$ '
							else:
								context[lineIndex]='<p align="center">&nbsp;</p>'
						else:
							del tag[lineIndex]
							del context[lineIndex]
							lineIndex-=1
							
		lrcFile=''
		for g in context:
			lrcFile=lrcFile+g
		return (tag,lrcFile)