""" Answer Session """

__version__ = "$Revision$"[11:-2]

import re
import Globals
from Globals import Acquisition, Persistent
from Acquisition import aq_base, aq_inner, aq_parent, Explicit
from AccessControl import ClassSecurityInfo
from Products.BTreeFolder2.BTreeFolder2 import BTreeFolder2
from zope.interface import implements

from SOAPpy import SOAPProxy
from SOAPpy import Types

from common import commons
from Permissions import *
from AnswerObject import AnswerObject
from interfaces import IAnswerSession

class AnswerSession(BTreeFolder2, Persistent, Explicit, commons):
    """ answer session """
    
    meta_type = 'Answer Session'
    security = ClassSecurityInfo()
    security.declareObjectPublic()
    implements(IAnswerSession)
    
    manage_options = BTreeFolder2.manage_options
    
    def __init__(self, id, test_id):
        self.id = id
        self.position = 0
        self.test_id = test_id
        self.ques = []
        BTreeFolder2.__init__(self, self.id)
        
    def submitAnswer(self, REQUEST):
        """ """
        if not self.checkToken(REQUEST): return " "
        
        pos = self.getPosition() + 1
        testQuestions = self.getTestQuestions()
        # just in case last question submit is clicked more than one, avoid getting error
        if pos > len(testQuestions):
            return self.utranslate('test_completed_msg', 'Test completed.');
        questionId = testQuestions[pos-1]

        # in case one submit button will be clicked more than once in test
        answered_ques = REQUEST.form.get('quesid', '')
        if answered_ques and (questionId != answered_ques):
            return REQUEST.RESPONSE.redirect('index_html')

        send = '<?xml version="1.0" encoding="utf-8"?><values>'
        for k in REQUEST.form.keys():
            #print 'formkey::', k, 'keyvalue::', REQUEST.form.get(k)
            if k in ['token', 'ques', 'submit', 'quesid']: continue
            v = REQUEST.form.get(k)
            k = k.replace('[]', '')
            if not isinstance(str(''), type(v)):
                # array
                send += "<pair><key>%s</key>" % k 
                for vv in v:
                    send += "<value>%s</value>" % vv
                send += "</pair>"
            else:
                if v == '':
                    v = ' '
                send += '<pair><key>%s</key><value>%s</value></pair>' % ( k, v)
        send += "</values>"
       
        if not "RESPONSE_" in send:
            return REQUEST.RESPONSE.redirect('index_html')

        self.setPosition(pos)
        
        #create answer object
        rand_nr=self.random_generator('_answer_')
        ans_id = questionId + rand_nr
        a=AnswerObject(ans_id, send, questionId)
        self._setObject(ans_id, a)
        
        if len(testQuestions) != pos:
            return REQUEST.RESPONSE.redirect('index_html')
        else:
            return REQUEST.RESPONSE.redirect('finish_test')

    def submitAnswers(self, REQUEST):
        """ """
        if self.getDoneOrNot() == False:
            test = self.getTestById(self.test_id)
            token = REQUEST.get('token')
            try:
                self.sendQuesToR2Q2()
            except:
                return REQUEST.RESPONSE.redirect('finish_test?msg=fail')
            test.deleteToken(token)
            self.setDone()
            self.setSubmitTime()
        return self.utranslate('test_completed_msg', 'Test completed.');

    def sendQuesToR2Q2(self):
        for a in self.objectValues('Answer Object'):
            qid = a.getQuesId()
            send = a.getAnswerSend()
            if send == '<?xml version="1.0" encoding="utf-8"?><values></values>':
                ques = self.getQuestionById(qid)
                tmp = ques.getPreview()
                a.setAnswerHtml(tmp)
            else:   
                url = self.cache._checkCache(qid, send)
                if url == None:
                    a.setAnswer()
                else:
                    obj_url = url.split('/')
                    url_beginning = obj_url[0]+'//'+obj_url[2]+'/'
                    url = url.replace(url_beginning, '')
                    obj = self.unrestrictedTraverse(url)
                    html = obj.getAnswerHtml()
                    points = obj.getFirstPoints()
                    a.setAnswerHtml(html)
                    a.setPoints(points)
    
    def setSubmitTime(self):
        import time
        submittime = time.strftime("%d.%m.%Y %H:%M", time.localtime()) 
        self.submittime = submittime

    def getSubmitTime(self):
        return getattr(self, 'submittime', '')
    
    def setDone(self):
        self.done = True
        
    def getDoneOrNot(self):
        return getattr(self, 'done', False)

    def setPosition(self, val):
        self.position = val
        
    def getPosition(self):
        return self.position

    def setTestQuestions(self, questions):
        self.ques = questions
        
    def getTestQuestions(self):
        return self.ques
        
    def index_html(self, REQUEST):
        """ """
        if not self.checkToken(REQUEST): return " "
        if self.isCompleted(): return " "
        pos = self.getPosition() 
        testQuestions = self.getTestQuestions()
        q = testQuestions[pos]
        ques = self.getQuestionById(q)
        html = ques.getBodyWithOwnButtons()
        head = ques.getHead()
        testlen = len(self.getTestQuestions())
        quespos = pos + 1 
                      
        headtext = """
        <title></title>
        <link rel="stylesheet" href="++resource++r2q2.css" type="text/css" />
        <script type="text/javascript" src="++resource++javascript/javascript_functions.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/QTIV2JSCRIPT.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/prototype.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/scriptaculous.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/carpeSlider.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/imageMap.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/wz_jsgraphics.js"></script>
        <script type="text/javascript" src="++resource++javascript/Jscript/associateInteractions.js"></script>
        """
        
        tmp = """
        <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd '>
        <html>
            <head>
                <meta http-equiv="Content-type" content="text/html;charset=UTF-8" />
                %s
            </head>
            <body>
            <form id='QuestionForm' name='QuestionForm' method ='post' action='submitAnswer' onsubmit='return doSubmit();' onreset='doReset();' >
            <input type='hidden' name='quesid' value='%s'/>
            %s / %s
            <br />
            %s
            </form>
            </body>
        </html>
        """ % (headtext, q, quespos, testlen, html)
        REQUEST.RESPONSE.setHeader('Content-Type', 'text/html;charset=UTF-8')
        REQUEST.RESPONSE.setHeader("Pragma", "no-cache")
        REQUEST.RESPONSE.setHeader("Expires", "0")
        REQUEST.RESPONSE.setHeader("Cache-Control", "no-store, no-cache, max-age=0, must-revalidate")
        return tmp
        
    def finish_test(self, REQUEST, msg=''):
        """ """
        if not self.checkToken(REQUEST): return " "
        if not self.isCompleted(): return " "
        if self.getDoneOrNot() == True: return " "

        finish_test_label = self.utranslate('finish_test_label', 'Finish test')
        finish_test_text = self.utranslate('finish_test_text', 'You have answered all the questions. For finishing test, click \'Finish test\' button.');
        message_text = ""
        if msg == "fail":
            message_text = self.utranslate('finish_test_failure_msg', 'Submitting answers failed. Please try again later.')

        tmp = """
        <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd '>
        <html>
            <head>
                <meta http-equiv="Content-type" content="text/html;charset=UTF-8" />
                <title>TATS</title>
            </head>
            <body>
            <form id='QuestionForm' name='QuestionForm' method ='post' action='submitAnswers' >
            <div style="color:red;">%s</div>
            <br />
            %s
            <br /><br />
            <input type="submit" value="%s" />
            </form>
            </body>
        </html>
        """ % (message_text, finish_test_text, finish_test_label)
        REQUEST.RESPONSE.setHeader('Content-Type', 'text/html;charset=UTF-8')
        REQUEST.RESPONSE.setHeader("Pragma", "no-cache")
        REQUEST.RESPONSE.setHeader("Expires", "0")
        REQUEST.RESPONSE.setHeader("Cache-Control", "no-store, no-cache, max-age=0, must-revalidate")
        return tmp
    
    #security.declarePrivate('getScore')
    def getScore(self):
        """ returns score. """
        score = 0
        for a in self.objectValues('Answer Object'):
            points = a.getPoints()
            score += points
        return score
        
    def isCompleted(self):
        queslen = len(self.getTestQuestions())
        pos = self.getPosition()
        if queslen > pos:
            return False
        else:
            return True
    
    def getAllAnswers(self):
        answers = []
        testques = self.getTestQuestions()
        ansobjects = self.objectValues('Answer Object')
        for ques in testques:
            for ans in ansobjects:
                if ques == ans.getQuesId():
                    answers.append(ans)
        return answers      

Globals.InitializeClass(AnswerSession)
#EOF