from django.shortcuts import render, get_object_or_404, redirect
from django.urls import reverse
from django.contrib.auth.models import User, Group, Permission
from django.contrib.auth import authenticate, login, logout
from django.contrib import messages
from django.db.models import Q
from django.http import HttpResponse, HttpResponseRedirect
from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
from django.contrib.auth.decorators import login_required, permission_required
from django.forms.models import model_to_dict

import simplejson as json
from datetime import datetime, timedelta
from dal import autocomplete
import csv

from coopeV3.acl import admin_required, superuser_required, self_or_has_perm, active_required
from .models import CotisationHistory, WhiteListHistory, School
from .forms import CreateUserForm, LoginForm, CreateGroupForm, EditGroupForm, SelectUserForm, GroupsEditForm, EditPasswordForm, addCotisationHistoryForm, addCotisationHistoryForm, addWhiteListHistoryForm, SelectNonAdminUserForm, SelectNonSuperUserForm, SchoolForm, ExportForm
from gestion.models import Reload, Consumption, ConsumptionHistory, MenuHistory

@active_required
def loginView(request):
    """
    Display the login form for :model:`User`.

    **Context**

    ``form_entete``
        Title of the form.

    ``form``
        The login form.

    ``form_button``
        Content of the form button.

    **Template**

    :template:`form.html`
    """
    form = LoginForm(request.POST or None)
    if(form.is_valid()):
        user = authenticate(username=form.cleaned_data['username'], password=form.cleaned_data['password'])
        if user is not None:
            login(request, user)
            messages.success(request, "Vous êtes à présent connecté sous le compte " + str(user))
            if(request.user.has_perm('gestion.can_manage')):
               return redirect(reverse('gestion:manage'))
            else:
               return redirect(reverse('users:profile', kwargs={'pk':request.user.pk}))
        else:
            messages.error(request, "Nom d'utilisateur et/ou mot de passe invalide")
    return render(request, "form.html", {"form_entete": "Connexion", "form": form, "form_title": "Connexion", "form_button": "Se connecter"})

@active_required
@login_required
def logoutView(request):
    """
    Logout the logged user
    """
    logout(request)
    messages.success(request, "Vous êtes à présent déconnecté")
    return redirect(reverse('home'))

@active_required
@login_required
@permission_required('auth.view_user')
def index(request):
    """
    Display the index for user related actions

    **Template**

    :template:`users/index.html`
    """
    export_form = ExportForm(request.POST or None)
    return render(request, "users/index.html", {"export_form": export_form})

def export_csv(request):
    export_form = ExportForm(request.POST or None)
    if export_form.is_valid():
        users = User.objects
        qt = export_form.cleaned_data['query_type']
        if qt == 'all':
            users = users.all()
            filename="Utilisateurs-coope"
        elif qt == 'all_active':
            users = users.filter(is_active=True)
            filename="Utilisateurs-actifs-coope"
        elif qt == 'adherent':
            pks = [x.pk for x in User.objects.all() if x.profile.is_adherent]
            users = users.filter(pk__in=pks)
            filename="Adherents-coope"
        elif qt == 'adherent_active':
            pks = [x.pk for x in User.objects.filter(is_active=True) if x.profile.is_adherent]
            users = users.filter(pk__in=pks)
            filename="Adherents-actifs-coope"
        response = HttpResponse(content_type='text/csv')
        response['Content-Disposition'] = 'attachment; filename="'+ filename + '.csv"'
        writer = csv.writer(response)
        fields = export_form.cleaned_data['fields']
        top = ["#"]
        for field in fields:
            top.append(dict(ExportForm.FIELDS_CHOICES)[field])
        writer.writerow(top)
        for user in users:
            userD = model_to_dict(user)
            profileD = model_to_dict(user.profile)
            row = [user.pk]
            for field in fields:
                if "profile" in field:
                    if "balance" in field:
                        row.append(user.profile.balance)
                    elif "school" in field:
                        row.append(str(user.profile.school))
                    else:
                        row.append(profileD[field[8:]])
                else:
                    row.append(userD[field])
            writer.writerow(row)
        return response
    else:
        return redirect(reverse('users:index'))

########## users ##########

@active_required
@login_required
@self_or_has_perm('pk', 'auth.view_user')
def profile(request, pk):
    """
    Display the profile for the requested user

    ``pk``
        The primary key for user

    **Context**

    ``user``
        The instance of User
    
    ``self``
        Boolean value wich indicates if the current logged user and the request user are the same

    ``cotisations``
        List of the user's cotisations

    ``whitelists``
        List of the user's whitelists
    
    ``reloads``
        List of the last 5 reloads of the user

    **Template**

    :template:`users/profile.html`
    """
    user = get_object_or_404(User, pk=pk)
    self = request.user == user
    cotisations = CotisationHistory.objects.filter(user=user)
    whitelists = WhiteListHistory.objects.filter(user=user)
    reloads = Reload.objects.filter(customer=user).order_by('-date')[:5]
    consumptionsChart = Consumption.objects.filter(customer=user)
    products = []
    quantities = []
    for ch in consumptionsChart:
        if ch.product in products:
            i = products.index(ch.product)
            quantities[i] += ch.quantity
        else:
            products.append(ch.product)
            quantities.append(ch.quantity)
    lastConsumptions = ConsumptionHistory.objects.filter(customer=user).order_by('-date')[:10]
    lastMenus = MenuHistory.objects.filter(customer=user).order_by('-date')[:10]
    return render(request, "users/profile.html", 
                {
                    "user":user,
                    "self":self,
                    "cotisations":cotisations,
                    "whitelists": whitelists,
                    "reloads": reloads,
                    "products": products,
                    "quantities": quantities,
                    "lastConsumptions": lastConsumptions,
                    "lastMenus": lastMenus,
                })

@active_required
@login_required
@permission_required('auth.add_user')
def createUser(request):
    """
    Display a CreateUserForm instance.

    **Context**

    ``form_entete``
        The form title.

    ``form``
        The CreateUserForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    form = CreateUserForm(request.POST or None)
    if(form.is_valid()):
        user = form.save(commit=False)
        user.set_password(user.username)
        user.save()
        user.profile.school = form.cleaned_data['school']
        user.save()
        messages.success(request, "L'utilisateur a bien été créé")
        return redirect(reverse('users:profile', kwargs={'pk':user.pk}))
    return render(request, "form.html", {"form_entete": "Gestion des utilisateurs", "form":form, "form_title":"Création d'un nouvel utilisateur", "form_button":"Créer l'utilisateur"})

@active_required
@login_required
@permission_required('auth.view_user')
def searchUser(request):
    """
    Display a simple searchForm for User.

    **Context**

    ``form_entete``
        The form title.

    ``form``
        The searchForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    form = SelectUserForm(request.POST or None)
    if(form.is_valid()):
        return redirect(reverse('users:profile', kwargs={"pk":form.cleaned_data['user'].pk}))
    return render(request, "form.html", {"form_entete": "Gestion des utilisateurs", "form": form, "form_title": "Rechercher un utilisateur", "form_button": "Afficher le profil"})

@active_required
@login_required
@permission_required('auth.view_user')
def usersIndex(request):
    """
    Display the list of all users.

    **Context**

    ``users``
        The list of all users
    
    **Template**

    :template:`users/users_index.html`
    """
    users = User.objects.all()
    return render(request, "users/users_index.html", {"users":users})

@active_required
@login_required
@permission_required('auth.change_user')
def editGroups(request, pk):
    """
    Edit the groups of a user.

    ``pk``
        The pk of the user.

    **Context**
    
    ``form_entete``
        The form title.

    ``form``
        The GroupsEditForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    user = get_object_or_404(User, pk=pk)
    form = GroupsEditForm(request.POST or None, instance=user)
    if(form.is_valid()):
        form.save()
        messages.success(request, "Les groupes de l'utilisateur " + user.username + " ont bien été enregistrés.")
        return redirect(reverse('users:profile', kwargs={'pk':pk}))
    extra_css = "#id_groups{height:200px;}"
    return render(request, "form.html", {"form_entete": "Gestion de l'utilisateur " + user.username, "form": form, "form_title": "Modification des groupes", "form_button": "Enregistrer", "extra_css": extra_css})

@active_required
@login_required
@permission_required('auth.change_user')
def editPassword(request, pk):
    """
    Change the password of a user.

    ``pk``
        The pk of the user.

    **Context**
    ``form_entete``
        The form title.

    ``form``
        The EditPasswordForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    user = get_object_or_404(User, pk=pk)
    if user != request.user:
        messages.error(request, "Vous ne pouvez modifier le mot de passe d'un autre utilisateur")
        return redirect(reverse('home'))
    else:
        form = EditPasswordForm(request.POST or None)
        if(form.is_valid()):
            if authenticate(username=user.username, password = form.cleaned_data['password']) is not None:
                user.set_password(form.cleaned_data['password2'])
                user.save()
                messages.success(request, "Votre mot de passe a bien été mis à jour")
                return redirect(reverse('users:profile', kwargs={'pk':pk}))
            else:
                messages.error(request, "Le mot de passe actuel est incorrect")
        return render(request, "form.html", {"form_entete": "Modification de mon compte", "form": form, "form_title": "Modification de mon mot de passe", "form_button": "Modifier mon mot de passe"})

@active_required
@login_required
@permission_required('auth.change_user')
def editUser(request, pk):
    """
    Edit a user and user profile

    ``pk``
        The pk of the user.

    **Context**

    ``form_entete``
        The form title.

    ``form``
        The CreateUserForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    user = get_object_or_404(User, pk=pk)
    form = CreateUserForm(request.POST or None, instance=user, initial = {'school': user.profile.school})
    if(form.is_valid()):
        user.profile.school = form.cleaned_data['school']
        user.save()
        messages.success(request, "Les modifications ont bien été enregistrées")
        return redirect(reverse('users:profile', kwargs={'pk': pk}))
    return render(request, "form.html", {"form_entete":"Modification du compte " + user.username, "form": form, "form_title": "Modification des informations", "form_button": "Modifier"})

@active_required
@login_required
@permission_required('auth.change_user')
def resetPassword(request, pk):
    """
    Reset the password of a user.

    ``pk``
        The pk of the user

    """ 
    user = get_object_or_404(User, pk=pk)
    if user.is_superuser:
        messages.error(request, "Impossible de réinitialiser le mot de passe de " + user.username + " : il est superuser.")
        return redirect(reverse('users:profile', kwargs={'pk': pk}))
    else:
        user.set_password(user.username)
        user.save()
        messages.success(request, "Le mot de passe de " + user.username + " a bien été réinitialisé.")
        return redirect(reverse('users:profile', kwargs={'pk': pk}))

@active_required
@login_required
@permission_required('auth.view_user')
def getUser(request, pk):
    """
    Return username and balance of the requested user (pk)

    ``pk``
        The pk of the user
    """
    user = get_object_or_404(User, pk=pk)
    data = json.dumps({"username": user.username, "balance": user.profile.balance})
    return HttpResponse(data, content_type='application/json')

@active_required
@login_required
@self_or_has_perm('pk', 'auth.view_user')
def allReloads(request, pk, page):
    """
    Display all the reloads of the requested user.

    ``pk``
        The pk of the user.
    ``page``
        The page number.

    **Context**
    
    ``reloads``
        The reloads of the page.
    ``user``
        The requested user

    **Template**

    :template:`users/allReloads.html`
    """
    user = get_object_or_404(User, pk=pk)
    allReloads = Reload.objects.filter(customer=user).order_by('-date')
    paginator = Paginator(allReloads, 10)
    reloads = paginator.get_page(page)
    return render(request, "users/allReloads.html", {"reloads": reloads, "user":user})

@active_required
@login_required
@self_or_has_perm('pk', 'auth.view_user')
def all_consumptions(request, pk, page):
    """
    Display all the consumptions of the requested user.

    ``pk``
        The pk of the user.
    ``page``
        The page number.

    **Context**
    
    ``reloads``
        The reloads of the page.
    ``user``
        The requested user

    **Template**

    :template:`users/all_consumptions.html`
    """
    user = get_object_or_404(User, pk=pk)
    all_consumptions = ConsumptionHistory.objects.filter(customer=user).order_by('-date')
    paginator = Paginator(all_consumptions, 10)
    consumptions = paginator.get_page(page)
    return render(request, "users/all_consumptions.html", {"consumptions": consumptions, "user":user})

@active_required
@login_required
@self_or_has_perm('pk', 'auth.view_user')
def all_menus(request, pk, page):
    """
    Display all the menus of the requested user.

    ``pk``
        The pk of the user.
    ``page``
        The page number.

    **Context**
    
    ``reloads``
        The reloads of the page.
    ``user``
        The requested user

    **Template**

    :template:`users/all_menus.html`
    """
    user = get_object_or_404(User, pk=pk)
    all_menus = MenuHistory.objects.filter(customer=user).order_by('-date')
    paginator = Paginator(all_menus, 10)
    menus = paginator.get_page(page)
    return render(request, "users/all_menus.html", {"menus": menus, "user":user})
    
########## Groups ##########

@active_required
@login_required
@permission_required('auth.view_group')
def groupsIndex(request):
    """
    Display all the groups.

    **Context**

    ``groups``
        List of all groups.

    **Template**

    :template:`users/groups_index.html`
    """
    groups = Group.objects.all()
    return render(request, "users/groups_index.html", {"groups": groups})

@active_required
@login_required
@permission_required('auth.view_group')
def groupProfile(request, pk):
    """
    Display the profile of a group.

    ``pk``
        The pk of the group.

    **Context**

    ``group``
        The requested group.

    **Template**

    :template:`users/group_profile.html`
    """
    group = get_object_or_404(Group, pk=pk)
    return render(request, "users/group_profile.html", {"group": group})

@active_required
@login_required
@permission_required('auth.add_group')
def createGroup(request):
    """
    Create a group with a CreateGroupForm instance.

    **Context**

    ``form_entete``
        The form title.

    ``form``
        The CreateGroupForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    form = CreateGroupForm(request.POST or None)
    if(form.is_valid()):
        group = form.save()
        messages.success(request, "Le groupe " + form.cleaned_data['name'] + " a bien été crée.")
        return redirect(reverse('users:groupProfile', kwargs={'pk': group.pk}))
    return render(request, "form.html", {"form_entete": "Gestion des utilisateurs", "form":form, "form_title": "Création d'un groupe de droit", "form_button": "Créer le groupe de droit"})

@active_required
@login_required
@permission_required('auth.change_group')
def editGroup(request, pk):
    """
    Edit a group with a EditGroupForm instance.

    ``pk``
        The pk of the group.

    **Context**

    ``form_entete``
        The form title.

    ``form``
        The EditGroupForm instance.

    ``form_button``
        The content of the form button.

    **Template**

    :template:`form.html`
    """
    group = get_object_or_404(Group, pk=pk)
    form = EditGroupForm(request.POST or None, instance=group)
    extra_css = "#id_permissions{height:200px;}"
    if(form.is_valid()):
        form.save()
        messages.success(request, "Le groupe " + group.name + " a bien été modifié.")
        return redirect(reverse('users:groupProfile', kwargs={'pk': group.pk}))
    return render(request, "form.html", {"form_entete": "Gestion des utilisateurs", "form": form, "form_title": "Modification du groupe de droit " + group.name, "form_button": "Modifier le groupe de droit", "extra_css":extra_css})

@active_required
@login_required
@permission_required('auth.delete_group')
def deleteGroup(request, pk):
    """
    Delete the requested group.

    ``pk``
        The pk of the group
    
    """
    group = get_object_or_404(Group, pk=pk)
    if group.user_set.count() == 0:
        name = group.name
        group.delete()
        messages.success(request, "Le groupe " + name + " a bien été supprimé")
        return redirect(reverse('users:index') + '#second')
    else:
        messages.error(request, "Impossible de supprimer le groupe " + group.name + " : il y a encore des utilisateurs")
        return redirect(reverse('users:groupProfile', kwargs={'pk': group.pk}))

@active_required
@login_required
@permission_required('auth.change_group')
def removeRight(request, groupPk, permissionPk):
    """
    Remove a right from a given group.

    ``groupPk``
        The pk of the group.

    ``permissionPk``
        The pk of the right.

    """
    group = get_object_or_404(Group, pk=groupPk)
    perm = get_object_or_404(Permission, pk=permissionPk)
    if perm in group.permissions.all():
        group.permissions.remove(perm)
        messages.success(request, "La permission " + perm.codename + " a bien été retirée du groupe " + group.name)
    else:
        messages.error(request, "Impossible de retirer la permission " + perm.codename + " du groupe " + group.name)
    return redirect(reverse('users:groupProfile', kwargs={'pk': groupPk}) + "#second")

@active_required
@login_required
@permission_required('auth.change_user')
def removeUser(request, groupPk, userPk):
    """
    Remove a user from a given group.

    ``groupPk``
        The pk of the group.

    ``userPk``
        The pk of the user.

    """
    group = get_object_or_404(Group, pk=groupPk)
    user = get_object_or_404(User, pk=userPk)
    if(group in user.groups.all()):
        user.groups.remove(group)
        messages.success(request, "L'utilisateur " + user.username + " a bien été retiré du groupe " + group.name)
    else:
        messages.error(request, "Impossible de retirer l'utilisateur " + user.username + " du groupe " + group.name)
    return redirect(reverse('users:groupProfile', kwargs={'pk': groupPk}) + "#second")

########## admins ##########

@active_required
@login_required
@admin_required
def adminsIndex(request):
    """
    Lists the staff

    **Context**

    ``admins``
        List of staff

    **Template**

    :template:`users/admins_index.html`
    """
    admins = User.objects.filter(is_staff=True)
    return render(request, "users/admins_index.html", {"admins": admins})

@active_required
@login_required
@admin_required
def addAdmin(request):
    """
    Form to add a member to staff

    **Context**

    ``form``
        The SelectNonAdminUserForm form instance

    ``form_title``
        The title of the form

    ``form_button``
        The text of the button

    **Template**

    :template:`form.html`
    """
    form = SelectNonAdminUserForm(request.POST or None)
    if(form.is_valid()):
        user = form.cleaned_data['user']
        user.is_staff = True
        user.save()
        messages.success(request, "L'utilisateur " + user.username + " a bien été rajouté aux admins")
        return redirect(reverse('users:adminsIndex'))
    return render(request, "form.html", {"form": form, "form_title": "Ajout d'un admin", "form_button":"Ajouter l'utilisateur aux admins"})

@active_required
@login_required
@admin_required
def removeAdmin(request, pk):
    """
    Remove an user form staff

    ``pk``
        The primary key of the user
    """
    user = get_object_or_404(User, pk=pk)
    if user.is_staff:
        if user.is_superuser:
           messages.error(request, "Impossible de retirer l'utilisateur " + user.username + " des admins : il est superuser")
        else:
            if User.objects.filter(is_staff=True).count() > 1:
                user.is_staff = False
                user.save()
                messages.success(request, "L'utilisateur " + user.username + " a bien été retiré des admins.")
            else:
                messages.error(request, "Impossible de retirer l'utilisateur " + user.username + " des admins : il doit en rester au moins un.")
    else:
        messages.error(request, "Impossible de retirer l'utilisateur " + user.username + " des admins : il n'en fait pas partie.")
    return redirect(reverse('users:adminsIndex'))

########## superusers ##########

@active_required
@login_required
@superuser_required
def superusersIndex(request):
    """
    Lists the superusers

    **Context**

    ``superusers``
        List of superusers

    **Template**

    :template:`users/superusers_index.html`
    """
    superusers = User.objects.filter(is_superuser=True)
    return render(request, "users/superusers_index.html", {"superusers": superusers})

@active_required
@login_required
@superuser_required
def addSuperuser(request):
    """
    Displays a form to add a superuser

    **Context**

    ``form``
        The SelectNonSuperUserForm form instance

    ``form_title``
        The title of the form

    ``form_button``
        The text of the button

    **Template**

    :template:`form.html`
    """
    form = SelectNonSuperUserForm(request.POST or None)
    if form.is_valid():
        user = form.cleaned_data['user']
        user.is_admin = True
        user.is_superuser = True
        user.save()
        messages.success(request, "L'utilisateur " + user.username + " a bien été rajouté aux superusers")
        return redirect(reverse('users:superusersIndex'))
    return render(request, "form.html", {"form_entete": "Gestion des superusers", "form": form, "form_title": "Ajout d'un superuser", "form_button":"Ajouter l'utilisateur aux superusers"})

@active_required
@login_required
@superuser_required
def removeSuperuser(request, pk):
    """
    Removes a user from superusers

    ``pk``
        The primary key of the user
    """
    user = get_object_or_404(User, pk=pk)
    if user.is_superuser:
        if User.objects.filter(is_superuser=True).count() > 1:
            user.is_superuser = False
            user.save()
            messages.success(request, "L'utilisateur " + user.username + " a bien été retiré des superusers.")
        else:
            messages.error(request, "Impossible de retirer l'utilisateur " + user.username + " des superusers : il doit en rester au moins un.")
    else:
        messages.error(request, "Impossible de retirer l'utilisateur " + user.username + " des superusers : il n'en fait pas partie.")
    return redirect(reverse('users:superusersIndex'))

########## Cotisations ##########

@active_required
@login_required
@permission_required('users.add_cotisationhistory')
def addCotisationHistory(request, pk):
    """
    Add a cotisation to the requested user

    ``pk``
        The primary key of the user

     **Context**

    ``form``
        The addCotisationHistoryForm form instance

    ``form_title``
        The title of the form

    ``form_button``
        The text of the button

    **Template**

    :template:`form.html`
    """
    user = get_object_or_404(User, pk=pk)
    form = addCotisationHistoryForm(request.POST or None)
    if(form.is_valid()):
        cotisation = form.save(commit=False)
        if(cotisation.paymentMethod.affect_balance):
            if(user.profile.balance >= cotisation.cotisation.amount):
                user.profile.debit += cotisation.cotisation.amount
            else:
                messages.error(request, "Solde insuffisant")
                return redirect(reverse('users:profile',kwargs={'pk':user.pk}))
        cotisation.user = user
        cotisation.coopeman = request.user
        cotisation.amount = cotisation.cotisation.amount
        cotisation.duration = cotisation.cotisation.duration
        if(user.profile.cotisationEnd):
            cotisation.endDate = user.profile.cotisationEnd + timedelta(days=cotisation.cotisation.duration)
        else:
            cotisation.endDate = datetime.now() + timedelta(days=cotisation.cotisation.duration)
        user.profile.cotisationEnd = cotisation.endDate
        user.save()
        cotisation.save()
        messages.success(request, "La cotisation a bien été ajoutée")
        return redirect(reverse('users:profile',kwargs={'pk':user.pk}))
    return render(request, "form.html",{"form": form, "form_title": "Ajout d'une cotisation pour l'utilisateur " + str(user), "form_button": "Ajouter"})

@active_required
@login_required
@permission_required('users.validate_cotisationhistory')
def validateCotisationHistory(request, pk):
    """
    Validate the requested :model:`users.CotisationHistory`

    ``pk``
        The primary key of the :model:`users.CotisationHistory`
    """
    cotisationHistory = get_object_or_404(CotisationHistory, pk=pk)
    cotisationHistory.valid = CotisationHistory.VALID
    cotisationHistory.save()
    messages.success(request, "La cotisation a bien été validée")
    return HttpResponseRedirect(request.META.get('HTTP_REFERER'))   

@active_required
@login_required
@permission_required('users.validate_cotisationhistory')
def invalidateCotisationHistory(request, pk):
    """
    Invalidate the requested :model:`users.CotisationHistory`

    ``pk``
        The primary key of the :model:`users.CotisationHistory`
    """
    cotisationHistory = get_object_or_404(CotisationHistory, pk=pk)
    cotisationHistory.valid = CotisationHistory.INVALID
    cotisationHistory.save()
    user = cotisationHistory.user
    user.profile.cotisationEnd = user.profile.cotisationEnd - timedelta(days=cotisationHistory.duration)
    if(cotisationHistory.paymentMethod.affect_balance):
        user.profile.balance += cotisation.amount
    user.save()
    messages.success(request, "La cotisation a bien été invalidée")
    return HttpResponseRedirect(request.META.get('HTTP_REFERER'))

########## Whitelist ##########

@active_required
@login_required
@permission_required('users.add_whitelisthistory')
def addWhiteListHistory(request, pk):
    """
    Add a :model:`users.WhitelistHistory` to the requested user

    ``pk``
        The primary key of the user

     **Context**

    ``form``
        The addWhiteListHistoryForm form instance

    ``form_title``
        The title of the form

    ``form_button``
        The text of the button

    **Template**

    :template:`form.html`
    """
    user = get_object_or_404(User, pk=pk)
    form = addWhiteListHistoryForm(request.POST or None)
    if(form.is_valid()):
        whiteList = form.save(commit=False)
        whiteList.user = user
        whiteList.coopeman = request.user
        if(user.profile.cotisationEnd):
            whiteList.endDate = user.profile.cotisationEnd + timedelta(days=whiteList.duration)
        else:
            whiteList.endDate = datetime.now() + timedelta(days=whiteList.duration)
        user.profile.cotisationEnd = whiteList.endDate
        user.save()
        whiteList.save()
        messages.success(request, "L'accès gracieux a bien été ajouté")
        return redirect(reverse('users:profile', kwargs={'pk':user.pk}))
    return render(request, "form.html", {"form": form, "form_title": "Ajout d'un accès gracieux pour " + user.username, "form_button": "Ajouter"})

########## Schools ##########

@active_required
@login_required
@permission_required('users.view_school')
def schoolsIndex(request):
    """
    Lists the :model:`users.School`

    **Context**

    ``schools``
        List of the :model:`users.School`

    **Template**
    
    :template:`users/schools_index.html`
    """
    schools = School.objects.all()
    return render(request, "users/schools_index.html", {"schools": schools})

@active_required
@login_required
@permission_required('users.add_school')
def createSchool(request):
    """
    Displays form to create :model:`users.School`

    **Context**

    ``form``
        The SchoolForm form instance

    ``form_title``
        The title of the form

    ``form_button``
        The text of the button

    **Template**

    :template:`form.html`
    """
    form = SchoolForm(request.POST or None)
    if form.is_valid():
        form.save()
        messages.success(request, "L'école a bien été créée")
        return redirect(reverse('users:schoolsIndex'))
    return render(request, "form.html", {"form": form, "form_title": "Création d'une école", "form_button": "Créer"})

@active_required
@login_required
@permission_required('users.change_school')
def editSchool(request, pk):
    """
    Displays form to create :model:`users.School`

    ``pk``
        The primary key of :model:`users.School`

    **Context**

    ``form``
        The SchoolForm form instance

    ``form_title``
        The title of the form

    ``form_button``
        The text of the button

    **Template**

    :template:`form.html`
    """
    school = get_object_or_404(School, pk=pk)
    form = SchoolForm(request.POST or None, instance=school)
    if(form.is_valid()):
        form.save()
        messages.success(request, "L'école a bien été modifiée")
        return redirect(reverse('users:schoolsIndex'))
    return render(request, "form.html", {"form": form, "form_title": "Modification de l'école " + str(school), "form_button": "Modifier"})

@active_required
@login_required
@permission_required('users.delete_school')
def deleteSchool(request, pk):
    """
    Delete a :model:`users.School`

    ``pk``
        The primary key of the school to delete
    """
    school = get_object_or_404(School, pk=pk)
    message = "L'école " + str(school) + " a bien été supprimée"
    school.delete()
    messages.success(request, message)
    return redirect(reverse('users:schoolsIndex'))

########## Autocomplete searchs ##########

class AllUsersAutocomplete(autocomplete.Select2QuerySetView):
    """
    Autcomplete for all users
    """
    def get_queryset(self):
        qs = User.objects.all()
        if self.q:
            qs = qs.filter(Q(username__istartswith=self.q) | Q(first_name__istartswith=self.q) | Q(last_name__istartswith=self.q))
        return qs

class ActiveUsersAutocomplete(autocomplete.Select2QuerySetView):
    """
    Autocomplete for active users
    """
    def get_queryset(self):
        qs = User.objects.filter(is_active=True)
        if self.q:
            qs = qs.filter(Q(username__istartswith=self.q) | Q(first_name__istartswith=self.q) | Q(last_name__istartswith=self.q))
        return qs

class AdherentAutocomplete(autocomplete.Select2QuerySetView):
    """
    Autocomplete for adherents
    """
    def get_queryset(self):
        qs = User.objects.all()
        return qs

class NonSuperUserAutocomplete(autocomplete.Select2QuerySetView):
    """
    Autocomplete for non-superuser users
    """
    def get_queryset(self):
        qs = User.objects.filter(is_superuser=False)
        if self.q:
            qs = qs.filter(Q(username__istartswith=self.q) | Q(first_name__istartswith=self.q) | Q(last_name__istartswith=self.q))
        return qs

class NonAdminUserAutocomplete(autocomplete.Select2QuerySetView):
    """
    Autocomplete for non-admin users
    """
    def get_queryset(self):
        qs = User.objects.filter(is_staff=False)
        if self.q:
            qs = qs.filter(Q(username__istartswith=self.q) | Q(first_name__istartswith=self.q) | Q(last_name__istartswith=self.q))
        return qs