'''
Created on 4 déc. 2012

@author: alzo
'''
import os
from django.shortcuts import render, render_to_response
from django.views.generic import ListView, TemplateView, DetailView
from .models import (Domaine, Processus, Module, Competence, Document, UploadDoc, 
                     PDFResponse, MyDocTemplate, MyDocTemplateLandscape)
from .models import style_normal, style_bold, style_title
from django.db.models import F, Sum
from django.conf import settings

from django.http import HttpResponseRedirect
from django.http import HttpResponse
#from .forms import DocumentAdminForm

from reportlab.pdfgen import canvas

from reportlab.platypus import Paragraph, Spacer, PageBreak, Table, TableStyle, Preformatted
from reportlab.lib.units import cm
from reportlab.lib.enums import TA_LEFT
from reportlab.lib import colors
from reportlab.lib.colors import HexColor

# Create your views here.

class HomeView(TemplateView):
    template_name = 'cms/index.html'
    
    def get_context_data(self, **kwargs):
        context = super(HomeView, self).get_context_data(**kwargs)
        for d in Domaine.objects.all().order_by('code'):
            context[d.code] = d
            
        for c in Processus.objects.all().order_by('code'):
            context[c.code] = c

        for m in Module.objects.all().order_by('code'):
            context[m.code] = m

        return context

   
class HomePDFView(TemplateView):
    template_name = 'cms/index.html'
    
    def render_to_response(self, context, **response_kwargs):
        
        response = PDFResponse('PlanFormation.pdf' ,'Plan de formation', portrait=False)
        d = Domaine.objects.all().order_by('code')
        p = Processus.objects.all().order_by('code')

        
        data = [['Domaines','Processus', 'Sem1', 'Sem2', 'Sem3','Sem4','Sem5','Sem6'],
                [Preformatted(d[0].__str__(), style_normal, maxLineLength=40), Preformatted(p[0].__str__(), style_normal, maxLineLength=60) , 'M01' , ''    ,''    , ''  , ''  ,''   ],
                [''  , ''    , 'M02' , ''    ,''    , ''  , ''  ,''   ],
                [''  , Preformatted(p[1].__str__(), style_normal, maxLineLength=60) , ''    , '' ,''    , 'M03'  , ''  , ''  ],
                [''  , ''    , ''    , 'M04' ,''    , ''  , ''  , ''  ],
                [Preformatted(d[1].__str__(), style_normal, maxLineLength=40), Preformatted(p[2].__str__(), style_normal, maxLineLength=60) , 'M05' , ''    ,'M06' , ''  , ''  , ''  ],
                [''  , Preformatted(p[3].__str__(), style_normal, maxLineLength=60) , ''    , ''    ,''    , 'M07'  , ''  , 'M09'  ],
                [''  , ''    , ''    , ''    ,''    , 'M08'  , ''  , ''  ],
                [Preformatted(d[2].__str__(), style_normal, maxLineLength=40), Preformatted(p[4].__str__(), style_normal, maxLineLength=60) , ''    , ''    ,''    , 'M10'  , ''  , 'M12'  ],
                [''  , Preformatted(p[5].__str__(), style_normal, maxLineLength=60) , ''    , ''    ,''    , 'M11'  , ''  , ''  ],
                [Preformatted(d[3].__str__(), style_normal, maxLineLength=40), Preformatted(p[6].__str__(), style_normal, maxLineLength=60) , ''    , ''    ,''    , 'M13'  , ''  , 'M14'  ],
                [Preformatted(d[4].__str__(), style_normal, maxLineLength=40), Preformatted(p[7].__str__(), style_normal, maxLineLength=60) , 'M15'    , ''    ,''    , ''  , ''  , ''  ],
                [Preformatted(d[5].__str__(), style_normal, maxLineLength=40), Preformatted(p[8].__str__(), style_normal, maxLineLength=60) , 'M16_1'    , ''    ,'M16_2'    , ''  , 'M16_3'  , ''  ],
                [Preformatted(d[6].__str__(), style_normal, maxLineLength=40), Preformatted(p[9].__str__(), style_normal, maxLineLength=60), 'M17_1'    , ''    ,'M17_2'    , ''  , 'M17_3'  , ''  ],
                [Preformatted(d[7].__str__(), style_normal, maxLineLength=40), Preformatted(p[10].__str__(), style_normal, maxLineLength=60) , 'Macc'    , ''    ,''    , ''  , ''  , ''  ],
            ]
        
        t = Table(data, colWidths=[5.5*cm, 8*cm, 1.5*cm, 1.5*cm,1.5*cm, 1.5*cm,1.5*cm,1.5*cm], spaceBefore=0.5*cm, spaceAfter=1*cm)
        t.setStyle(TableStyle([
            ('SIZE', (0,0), (-1,-1), 8),
            ('FONT', (0,0), (-1,0), 'Helvetica-Bold'),
            ('VALIGN',(0,0),(-1,-1),'MIDDLE'),
            ('ALIGN',(2,0),(-1,-1),'CENTER'),

            #('BOX',(0,0),(-1,-1), 0.25, colors.black),
            ('GRID',(0,0),(-1,-1), 0.25, colors.black),
            ('SPAN',(0,1), (0,4)), #Domaine 1
            ('SPAN',(1,1), (1,2)),
            ('SPAN',(1,3), (1,4)),
            ('SPAN',(0,5), (0,7)), #Domaine 2
            ('SPAN',(1,6), (1,7)),
            ('SPAN',(0,8), (0,9)), #Domaine 3
            ('SPAN',(5,8), (6,8)),
            ('SPAN',(5,9), (6,9)),
            ('SPAN',(2,11), (-1,11)),
            ('SPAN',(2,12), (3,12)),
            ('SPAN',(4,12), (5,12)),
            ('SPAN',(6,12), (7,12)),
            ('SPAN',(2,13), (3,13)),
            ('SPAN',(4,13), (5,13)),
            ('SPAN',(6,13), (7,13)),
            ('SPAN',(2,14), (-1,14)),
            ('BACKGROUND',(0,1), (1,4), colors.orange),
            ('BACKGROUND',(2,1), (2,2), colors.orange),
            ('BACKGROUND',(5,3), (5,3), colors.orange),
            ('BACKGROUND',(3,4), (3,4), colors.orange),
            ('BACKGROUND',(0,5), (1,7), colors.red),
            ('BACKGROUND',(2,5), (2,5), colors.red),
            ('BACKGROUND',(4,5), (4,5), colors.red),
            ('BACKGROUND',(5,6), (5,6), colors.red),
            ('BACKGROperiodesUND',(7,6), (7,6), colors.red),
            ('BACKGROUND',(5,7), (5,7), colors.red),
            ('BACKGROUND',(0,8), (1,9), colors.pink),
            ('BACKGROUND',(5,8), (-1,8), colors.pink),
            ('BACKGROUND',(5,9), (6,9), colors.pink),
            ('BACKGROUND',(0,10), (1,10), HexColor('#AD7FA8')),
            ('BACKGROUND',(5,10), (5,10), HexColor('#AD7FA8')),
            ('BACKGROUND',(7,10), (7,10), HexColor('#AD7FA8')),
            ('BACKGROUND',(0,11), (-1,11), HexColor('#729FCF')),
            ('BACKGROUND',(0,12), (-1,12), colors.lightgreen),
            ('BACKGROUND',(0,13), (-1,13), colors.white),
            ('BACKGROUND',(0,14), (-1,14), colors.lightgrey),
        ]))

        t.hAlign = 0
        response.story.append(t)
        
        doc = MyDocTemplateLandscape(response)  
        doc.build(response.story)
        
        return response
    
    
class DomaineDetailView(DetailView): 
    template_name = 'cms/domaine_detail.html'
    model = Domaine 
    

class DomaineListView(ListView): 
    template_name = 'cms/domaine_list.html'
    model = Domaine 
    
    
class ProcessusDetailView(DetailView): 
    template_name = 'cms/processus_detail.html'
    model = Processus
    

class ProcessusListView(ListView): 
    template_name = 'cms/processus_list.html'
    model = Processus 
    
    
class ModuleDetailView(DetailView): 
    template_name = 'cms/module_detail.html'
    model = Module


class ModuleListView(ListView):
    template_name = 'cms/module_list.html'
    model = Module
    

def Preformatted_left(text):
    return Preformatted(text, style_normal, maxLineLength=15)


def Preformatted_right(text):
    return Preformatted(text, style_normal, maxLineLength=110)


class EvaluationView(ListView):
    template_name = 'cms/evaluation.html'
    model = Processus
    
class DocumentListView(ListView): 
    template_name = 'cms/document_list.html'
    model = Document
    
    def get_context_data(self, **kwargs):
        context = super(DocumentListView, self).get_context_data(**kwargs) 
        context['upload'] = UploadDoc.objects.filter(published=True)
        return context


class DocumentDetailView(DetailView):
    template_name ='cms/document_detail.html'
    model = Document
       
    
class UploadDetailView(DetailView):
    template_name = 'cms/upload_detail.html'
    model = UploadDoc
    
    def get_context_data(self, **kwargs):
        context = super(UploadDetailView, self).get_context_data(**kwargs) 
        context['fichier'] = self.get_object().docfile.url
        return context
    
          
class ModulePDF(DetailView):
    template_name = 'cms/module_detail.html'
    model = Module
    
    def render_to_response(self, context, **response_kwargs):   
        m = self.get_object()
        response = PDFResponse('Module_{0}.pdf'.format(m.code) ,'Module de formation')
       
        str_comp = ''
        for c in m.competence_set.all():
            str_comp += '- {0} ({1})\n'.format(c.nom, c.code)
            if self.request.user.is_authenticated:
                for sc in c.souscompetence_set.all():
                    str_comp += '    -- {0}\n'.format(sc.nom)
                    
        str_res = ''
        for c in m.ressource_set.all():
            str_res += '- {0}\n'.format(c.nom)
            
        str_obj = ''
        for c in m.objectif_set.all():
            str_obj += '- {0}\n'.format(c.nom)
            
        lines = m.contenu.split('\n')
        str_con = ''
        for l in lines:
            str_con += '{0}\n'.format(l)
        
        response.story.append(Spacer(0,1*cm))
        response.story.append(Paragraph(m.__str__(), style_title))   
         
        data = [[Preformatted_left('Domaine'), Preformatted_right(m.processus.domaine.__str__())],
                [Preformatted_left('Processus'), Preformatted_right(m.processus.__str__())],
                [Preformatted_left('Situation emblématique'), Preformatted_right(m.situation)],
                [Preformatted_left('Compétences visées'), Preformatted_right(str_comp)],
                #[Preformatted_left('Ressources à acquérir'), Preformatted_right(str_res)],
                [Preformatted_left('Objectifs à atteindre'), Preformatted_right(str_obj)],
                #[Preformatted_left('Contenu'), Preformatted_right(str_con)],
                [Preformatted_left('Evaluation'), Preformatted_right(m.evaluation)],
                [Preformatted_left('Type'), Preformatted_right('{0}, obligatoire'.format(m.type))],
                [Preformatted_left('Semestre'), Preformatted_right('Sem. {0}'.format(m.semestre))],
                [Preformatted_left('Présentiel'), Preformatted_right('{0} heures'.format(m.periode_presentiel))],
                [Preformatted_left('Travail personnel'), Preformatted_right('{0} heures'.format(m.travail_perso))],
                [Preformatted_left('Responsable'), Preformatted_right(m.processus.domaine.responsable.descr_pdf())],
            ]
        t =  Table(data, colWidths=[2.5*cm,10*cm])
        t.setStyle(TableStyle([ ('ALIGN',(0,0),(-1,-1),'LEFT'),
                                ('VALIGN',(0,0),(-1,-1),'TOP'),
                                ('LEFTPADDING', (0,0),(-1,-1), 0),
                            ]))
        t.hAlign=0
        response.story.append(Spacer(0,1*cm))
        response.story.append(t)
        
        doc = MyDocTemplate(response)  
        doc.build(response.story)
        
        return response

  
def get_context(context):
    """
    Calcul du nombre de périodes de formation
    """  
    liste = Module.objects.exclude(periode_presentiel = 0)
    #context['tot'] = liste.aggregate(Sum(F('periode_presentiel')))

    context['sem1'] = liste.exclude(sem1 = 0)
    context['tot1'] = liste.aggregate(Sum(F('sem1')))
    context['sem2'] = liste.exclude(sem2 = 0)
    context['tot2'] = liste.aggregate(Sum(F('sem2')))
    context['sem3'] = liste.exclude(sem3 = 0)
    context['tot3'] = liste.aggregate(Sum(F('sem3')))
    context['sem4'] = liste.exclude(sem4 = 0)
    context['tot4'] = liste.aggregate(Sum(F('sem4')))
    context['sem5'] = liste.exclude(sem5 = 0)
    context['tot5'] = liste.aggregate(Sum(F('sem5')))
    context['sem6'] = liste.exclude(sem6 = 0)
    context['tot6'] = liste.aggregate(Sum(F('sem6'))) 
    context['tot'] = context['tot1']['sem1__sum'] + context['tot2']['sem2__sum'] + context['tot3']['sem3__sum'] + \
                    context['tot4']['sem4__sum'] + context['tot5']['sem5__sum'] + context['tot6']['sem6__sum'] 
    
    return context
    
    
class PeriodeView(TemplateView):
    template_name = 'cms/periodes.html'
    
    def get_context_data(self, **kwargs):
        context = TemplateView.get_context_data(self, **kwargs)
        return get_context(context)   

  
class PeriodePDFView(TemplateView):  
    template_name = 'cms/periodes.html'
    
    def render_to_response(self, context, **response_kwargs):
        
        response = PDFResponse('Périodes.pdf' ,'Périodes de formation')
        context = get_context(context)
        
        data = [['Semestre 1', '{0} h.'.format(context['tot1']['sem1__sum']),'', 'Semestre 2', '{0} h.'.format(context['tot2']['sem2__sum'])],               
                [context['sem1'][0], '{0} h.'.format(context['sem1'][0].sem1),'', context['sem2'][0], '{0} h.'.format(context['sem2'][0].sem2) ],
                [context['sem1'][1], '{0} h.'.format(context['sem1'][1].sem1),'', context['sem2'][1], '{0} h.'.format(context['sem2'][1].sem2) ],
                [context['sem1'][2], '{0} h.'.format(context['sem1'][2].sem1),'', context['sem2'][2], '{0} h.'.format(context['sem2'][2].sem2) ],
                [context['sem1'][3], '{0} h.'.format(context['sem1'][3].sem1),'', context['sem2'][3], '{0} h.'.format(context['sem2'][3].sem2) ],
                [context['sem1'][4], '{0} h.'.format(context['sem1'][4].sem1),'', context['sem2'][4], '{0} h.'.format(context['sem2'][4].sem2) ],
                [context['sem1'][5], '{0} h.'.format(context['sem1'][5].sem1),'', context['sem2'][5], '{0} h.'.format(context['sem2'][5].sem2) ],
                [context['sem1'][6], '{0} h.'.format(context['sem1'][6].sem1),'', '', ''],
                
                
                ['Semestre 3', '{0} h.'.format(context['tot3']['sem3__sum']),'', 'Semestre 4', '{0} h.'.format(context['tot4']['sem4__sum'])],
                [context['sem3'][0], '{0} h.'.format(context['sem3'][0].sem3),'', context['sem4'][0], '{0} h.'.format(context['sem4'][0].sem4) ],
                [context['sem3'][1], '{0} h.'.format(context['sem3'][1].sem3),'', context['sem4'][1], '{0} h.'.format(context['sem4'][1].sem4) ],
                [context['sem3'][2], '{0} h.'.format(context['sem3'][2].sem3),'', context['sem4'][2], '{0} h.'.format(context['sem4'][2].sem4) ],
                [context['sem3'][3], '{0} h.'.format(context['sem3'][3].sem3),'', context['sem4'][3], '{0} h.'.format(context['sem4'][3].sem4) ],
                [context['sem3'][4], '{0} h.'.format(context['sem3'][4].sem3),'', context['sem4'][4], '{0} h.'.format(context['sem4'][4].sem4) ],
                [context['sem3'][5], '{0} h.'.format(context['sem3'][5].sem3),'', context['sem4'][5], '{0} h.'.format(context['sem4'][5].sem4) ],
                
                
                ['Semestre 5', '{0} h.'.format(context['tot5']['sem5__sum']),'', 'Semestre 6', '{0} h.'.format(context['tot6']['sem6__sum'])],
                [context['sem5'][0], '{0} h.'.format(context['sem5'][0].sem5),'', context['sem6'][0], '{0} h.'.format(context['sem6'][0].sem6) ],
                [context['sem5'][1], '{0} h.'.format(context['sem5'][1].sem5),'', context['sem6'][1], '{0} h.'.format(context['sem6'][1].sem6) ],
                [context['sem5'][2], '{0} h.'.format(context['sem5'][2].sem5),'', context['sem6'][2], '{0} h.'.format(context['sem6'][2].sem6) ],
                [context['sem5'][3], '{0} h.'.format(context['sem5'][3].sem5),'', context['sem6'][3], '{0} h.'.format(context['sem6'][3].sem6) ],
                [context['sem5'][4], '{0} h.'.format(context['sem5'][4].sem5),'', context['sem6'][4], '{0} h.'.format(context['sem6'][4].sem6) ],
                [context['sem5'][5], '{0} h.'.format(context['sem5'][5].sem5),'', '', '' ],
                [context['sem5'][6], '{0} h.'.format(context['sem5'][6].sem5),'', '', '' ],
                 ]
        
        t = Table(data, colWidths=[6.5*cm,1*cm, 1*cm, 6.5*cm, 1*cm], spaceBefore=2*cm, spaceAfter=1.5*cm)
        t.setStyle(TableStyle([ ('ALIGN',(0,0),(-1,-1),'LEFT'),
                                ('VALIGN',(0,0),(-1,-1),'TOP'),
                                ('LEFTPADDING', (0,0),(-1,-1), 0),
                                ('SIZE', (0,0), (-1,-1), 8),
                                ('ALIGN', (1,0), (1,-1), 'RIGHT'),
                                ('ALIGN', (-1,0), (-1,-1), 'RIGHT'),
                                ('LINEBELOW', (0,0), (1,0), 1, colors.black),
                                ('LINEBELOW', (3,0), (-1,0), 1, colors.black),
                               
                                ('TOPPADDING', (0,8), (-1,8), 15),
                                ('LINEBELOW', (0,8), (1,8), 1, colors.black),
                                ('LINEBELOW', (3,8), (-1,8), 1, colors.black),
                                ('TOPPADDING', (0,15), (-1,15), 15),
                                ('LINEBELOW', (0,15), (1,15), 1, colors.black),
                                ('LINEBELOW', (3,15), (-1,15), 1, colors.black),
                                ('FONT', (0, 0), (-1, 0), 'Helvetica-Bold'),
                                ('FONT', (0, 8), (-1, 8), 'Helvetica-Bold'),
                                ('FONT', (0, 15), (-1, 15), 'Helvetica-Bold'),
                            ]))
        
        t.hAlign = 0
        response.story.append(t)
        
        response.story.append(Paragraph('Total des heures de cours: {0} heures'.format(context['tot']), style_normal))
        doc = MyDocTemplate(response)  
        doc.build(response.story)
        
        return response

"""
class AddDocument(TemplateView):
    template_name = 'cms/upload.html'
    
    def post(self, request):
        form = DocumentForm(request.POST, request.FILES)
        if form.is_valid():
            newdoc = Document(docfile = request.FILES['docfile'])
            newdoc.save()
        
        return HttpResponseRedirect('')
    
    def get(self, request):
        form = DocumentForm()
        return render (request, 'cms/upload.html', {'form': form})




def AddDoc(request):
    if request.method == 'POST':
        form = DocumentForm(request.POST, request.FILES)
        if form.is_valid():
            newdoc = Document(docfile = request.FILES['docfile'])
            newdoc.save()
            return HttpResponseRedirect('')
    else:
        form = DocumentForm()

    documents = Document.objects.all()
    return render (request, 'cms/upload.html', {'documents': documents,'form': form})


def Download(request, file_name):
    f = os.path.join(settings.MEDIA_ROOT, file_name)
    response = HttpResponse(content_type='application/pdf')   
    response['Content-Disposition'] = 'attachment; filename={0}'.format(file_name)
    response['Content-Length'] = os.stat(f).st_size
    return response
    

def pdf_view(request):
    with open(settings.MEDIA_ROOT + 'media/EDS_Calendrier_2017.pdf', 'r') as pdf:
        response = HttpResponse(pdf.read().decode('latin-1') , content_type='application/pdf')
        response['Content-Disposition'] = 'inline;filename=some_file.pdf'
        return response
    pdf.closed  
"""