#!/usr/bin/env python
##########################################################################
##                                                                      ##
##                               MadWeight                              ##
##                               ---------                              ##
##########################################################################
##                                                                      ##
##   author: Mattelaer Olivier (CP3)                                    ##
##       email:  olivier.mattelaer@uclouvain.be                         ##
##                                                                      ##
##########################################################################
##                                                                      ##
##   license: GNU                                                       ##
##   last-modif:24/01/09                                                ##
##                                                                      ##
##########################################################################
import sys
# patch if symbolic directory replace by real file
sys.path.append('./Source/MadWeight/Python')
sys.path.append('../Source/MadWeight/Python')
#
import re
import os

#dict
dico={'MGVersion':'old_version',
      'MGProcCard':'proc_card_mg5',
      'slha':'param_card',
      'MGRunCard':'run_card',
      'MWCard':'MadWeight_card',
      'TransferCard':'transfer_card'
      }


class banner:

    pat_begin=re.compile('<(?P<name>\w*)>')
    pat_end=re.compile('</(?P<name>\w*)>')

    def __init__(self,pos):

        self.pos=pos


    def split(self):
        self.file=open(self.pos,'r')

        for line in self.file:
            if self.pat_begin.search(line):
                self.write_card('./Cards/'+self.FindCardName(self.pat_begin.search(line).group('name')))


    def write_card(self,pos):

        print 'writing', pos
        ff=open(pos,'w')
        for line in self.file:
            if self.pat_end.search(line):
                ff.close()
                return
            else:
                ff.writelines(line)

    def FindCardName(self,tag):
        if tag in dico.keys():
            if '.' not in dico[tag]:
                return dico[tag]+'.dat'
            else:
                return dico[tag]
        else:
            import time
            out=tag.split('_',1)
            name=self.FindCardName(out[0])
            return name.split('.',1)[0]+'_'+out[1]+'.dat'

if __name__=='__main__':
    import MW_param
    MW_param.go_to_main_dir()
    opt=sys.argv
    print opt
    if len(opt)<2:
       name=raw_input('enter the run name to restore or the position of a banner file\n')
    else:
        name=opt[1]

    if ('/' not in name):
        ban=banner('./Events/'+name+'/'+name+'_banner.txt')
        pos='./Events/'+name+'/'
    else:
        ban=banner(name)
        pos='/'.join([part for part in name.split('/')[:-1]])
        
    ban.split()
    print 'done'
    
    if len(opt)==3:
        import_lhco=opt[2]
    else:
        import_lhco=raw_input('Do you want import the input.lhco file? (1/0)\n')

    
    if int(import_lhco):
        os.system('cp '+pos+'/input.lhco ./Events')
        print 'replace Events/input.lhco by '+pos+'/input.lhco'