## $Id: browser.py 9990 2013-02-24 17:45:04Z henrik $
##
## Copyright (C) 2012 Uli Fouquet & Henrik Bettermann
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##
import grok
from zope.i18n import translate
from zope.component import getUtility
from waeup.kofa.widgets.datewidget import FriendlyDatetimeDisplayWidget
from waeup.kofa.interfaces import IKofaUtils
from waeup.kofa.students.interfaces import IStudentsUtils
from waeup.kofa.students.browser import (
    StudentBasePDFFormPage,
    CourseTicketAddFormPage,
    StudyLevelDisplayFormPage,
    ExportPDFCourseRegistrationSlipPage)
from kofacustom.nigeria.students.browser import (
    NigeriaOnlinePaymentDisplayFormPage,
    NigeriaOnlinePaymentAddFormPage,
    NigeriaExportPDFPaymentSlipPage)
from waeup.aaue.students.interfaces import (
    ICustomStudentOnlinePayment,
    ICustomStudentStudyLevel)
from waeup.aaue.interfaces import MessageFactory as _

class CustomOnlinePaymentDisplayFormPage(NigeriaOnlinePaymentDisplayFormPage):
    """ Page to view an online payment ticket
    """
    grok.context(ICustomStudentOnlinePayment)
    form_fields = grok.AutoFields(ICustomStudentOnlinePayment).omit(
        'provider_amt', 'gateway_amt', 'thirdparty_amt', 'p_item')
    form_fields[
        'creation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
    form_fields[
        'payment_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')

class CustomOnlinePaymentAddFormPage(NigeriaOnlinePaymentAddFormPage):
    """ Page to add an online payment ticket
    """
    form_fields = grok.AutoFields(ICustomStudentOnlinePayment).select(
        'p_category')

class CustomExportPDFPaymentSlipPage(NigeriaExportPDFPaymentSlipPage):
    """Deliver a PDF slip of the context.
    """
    grok.context(ICustomStudentOnlinePayment)
    form_fields = grok.AutoFields(ICustomStudentOnlinePayment).omit(
        'provider_amt', 'gateway_amt', 'thirdparty_amt', 'p_item')
    form_fields['creation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
    form_fields['payment_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')

class CustomStudyLevelDisplayFormPage(StudyLevelDisplayFormPage):
    """ Page to display student study levels
    """
    grok.context(ICustomStudentStudyLevel)
    form_fields = grok.AutoFields(ICustomStudentStudyLevel).omit('total_credits')
    form_fields[
        'validation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')

class CustomExportPDFCourseRegistrationSlipPage(
    ExportPDFCourseRegistrationSlipPage):
    """Deliver a PDF slip of the context.
    """
    grok.context(ICustomStudentStudyLevel)
    form_fields = grok.AutoFields(ICustomStudentStudyLevel).omit(
        'total_credits', 'level_session', 'level_verdict',
        'validated_by', 'validation_date', 'gpa')

    @property
    def label(self):
        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
        lang = self.request.cookies.get('kofa.language', portal_language)
        level_title = translate(self.context.level_title, 'waeup.kofa',
            target_language=lang)
        line0 = ''
        if self.context.student.current_mode.endswith('_pt'):
            line0 = 'DIRECTORATE OF PART-TIME DEGREE PROGRAMMES\n'
        line1 = translate(_('Course Registration Slip'),
            'waeup.kofa', target_language=portal_language) \
            + ' %s' % level_title
        line2 = translate(_('Session'),
            'waeup.kofa', target_language=portal_language) \
            + ' %s' % self.context.getSessionString
        return '%s%s\n%s' % (line0, line1, line2)

    @property
    def title(self):
        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
        return translate(_('Units Registered'), 'waeup.kofa',
            target_language=portal_language)

    def _signatures(self):
        return (
            [('I have selected the course on the advise of my Head of '
             'Department. <br>', _('Student\'s Signature'), '<br>')],
            [('This student has satisfied the department\'s requirements. '
             'I recommend to approve the course registration. <br>',
             _('Head of Department\'s Signature'), '<br>')],
            [('' , _('Principal Assistant Registrar\'s Signature'), '<br>')],
            [('', _('Director\'s Signature'))]
            )

    def render(self):
        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
        Sem = translate('Sem.', 'waeup.kofa', target_language=portal_language)
        Code = translate('Code', 'waeup.kofa', target_language=portal_language)
        Title = translate('Title', 'waeup.kofa', target_language=portal_language)
        Dept = translate('Dept.', 'waeup.kofa', target_language=portal_language)
        Cred = translate('Cred.', 'waeup.kofa', target_language=portal_language)
        Score = translate('Score', 'waeup.kofa', target_language=portal_language)
        Grade = translate('Grade', 'waeup.kofa', target_language=portal_language)
        Signature = translate(_('Course Lecturer\'s Signature'), 'waeup.aaue',
            target_language=portal_language)
        studentview = StudentBasePDFFormPage(self.context.student,
            self.request, self.omit_fields)
        students_utils = getUtility(IStudentsUtils)
        tabledata_1 = sorted(
            [value for value in self.context.values() if value.semester == 1],
            key=lambda value: str(value.semester) + value.code)
        tabledata_2 = sorted(
            [value for value in self.context.values() if value.semester == 2],
            key=lambda value: str(value.semester) + value.code)
        tableheader = [(Code,'code', 2.0),
                         (Title,'title', 5),
                         (Dept,'dcode', 1.5), #(Faculty,'fcode', 1.5),
                         (Cred, 'credits', 1.5),
                         (Score, 'score', 1.4),
                         (Grade, 'grade', 1.4),
                         (Signature, 'dummy', 3),
                         ]
        if len(self.label.split('\n')) == 3:
            topMargin = 1.9
        elif len(self.label.split('\n')) == 2:
            topMargin = 1.7
        else:
            topMargin = 1.5
        return students_utils.renderPDF(
            self, 'course_registration_slip.pdf',
            self.context.student, studentview,
            tableheader_1=tableheader,
            tabledata_1=tabledata_1,
            tableheader_2=tableheader,
            tabledata_2=tabledata_2,
            signatures=self._signatures(),
            topMargin=topMargin
            )