# coding:utf-8
from __future__ import absolute_import, unicode_literals

from django.utils.translation import ugettext as _
from django.conf import settings
from django.db.models import Q
from django.views.generic import TemplateView, ListView
from django.views.generic.edit import CreateView, DeleteView, FormView, UpdateView
from django.urls import reverse_lazy
from django.contrib.messages.views import SuccessMessageMixin
from django.views.generic.detail import DetailView, SingleObjectMixin

from .models import Asset, AssetGroup, IDC, AssetExtend, AdminUser, SystemUser, Label
from .forms import AssetForm, AssetGroupForm, IDCForm, AdminUserForm, SystemUserForm
from .hands import AdminUserRequiredMixin


class AssetCreateView(AdminUserRequiredMixin, CreateView):
    model = Asset
    form_class = AssetForm
    template_name = 'assets/asset_create.html'
    success_url = reverse_lazy('assets:asset-list')

    def form_valid(self, form):
        asset = form.save(commit=False)
        key = self.request.POST.get('key', '')
        value = self.request.POST.get('value', '')
        asset.save()
        Label.objects.create(key=key, value=value, asset=asset)
        return super(AssetCreateView, self).form_valid(form)

    def get_context_data(self, **kwargs):
        context = super(AssetCreateView, self).get_context_data(**kwargs)
        context.update({'admin_users': AdminUser.objects.all()})
        assert isinstance(context, object)
        return context


class AssetUpdateView(UpdateView):
    pass


class AssetDeleteView(DeleteView):
    model = Asset
    success_url = reverse_lazy('assets:asset-list')


class AssetListView(ListView):
    model = Asset
    context_object_name = 'assets'
    template_name = 'assets/asset_list.html'


class AssetDetailView(DetailView):
    model = Asset
    context_object_name = 'asset'
    template_name = 'assets/asset_detail.html'


class AssetGroupCreateView(AdminUserRequiredMixin, CreateView):
    model = AssetGroup
    form_class = AssetGroupForm
    template_name = 'assets/asset_group_create.html'
    success_url = reverse_lazy('assets:asset-group-list')

    # Todo: Asset group create template select assets so hard, need be resolve next

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Create asset group'),
            'assets': Asset.objects.all(),
        }
        kwargs.update(context)
        return super(AssetGroupCreateView, self).get_context_data(**kwargs)

    def form_valid(self, form):
        print(form.data)
        return super(AssetGroupCreateView, self).form_valid(form)


class AssetGroupListView(AdminUserRequiredMixin, ListView):
    model = AssetGroup
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
    context_object_name = 'asset_group_list'
    template_name = 'assets/asset_group_list.html'

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Asset group list'),
            'keyword': self.request.GET.get('keyword', '')
        }
        kwargs.update(context)
        return super(AssetGroupListView, self).get_context_data(**kwargs)

    def get_queryset(self):
        self.queryset = super(AssetGroupListView, self).get_queryset()
        self.keyword = keyword = self.request.GET.get('keyword', '')
        self.sort = sort = self.request.GET.get('sort', '-date_created')

        if keyword:
            self.queryset = self.queryset.filter(Q(name__icontains=keyword) |
                                                 Q(comment__icontains=keyword))

        if sort:
            self.queryset = self.queryset.order_by(sort)
        return self.queryset


class AssetGroupDetailView(SingleObjectMixin, AdminUserRequiredMixin, ListView):
    template_name = 'assets/asset_group_detail.html'
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE

    def get(self, request, *args, **kwargs):
        self.object = self.get_object(queryset=AssetGroup.objects.all())
        return super(AssetGroupDetailView, self).get(request, *args, **kwargs)

    def get_queryset(self):
        return self.object.assets.all()

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Asset group detail'),
            'asset_group': self.object,
        }
        kwargs.update(context)
        return super(AssetGroupDetailView, self).get_context_data(**kwargs)


class AssetGroupUpdateView(AdminUserRequiredMixin, UpdateView):
    model = AssetGroup
    form_class = AssetGroupForm
    template_name = 'assets/asset_group_create.html'
    success_url = reverse_lazy('assets:asset-group-list')

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Create asset group'),
            'assets': Asset.objects.all(),
        }
        kwargs.update(context)
        return super(AssetGroupUpdateView, self).get_context_data(**kwargs)


class AssetGroupDeleteView(AdminUserRequiredMixin, DeleteView):
    template_name = 'assets/delete_confirm.html'
    model = AssetGroup
    success_url = reverse_lazy('assets:asset-group-list')


class IDCListView(AdminUserRequiredMixin, ListView):
    model = IDC
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
    context_object_name = 'idc_list'
    template_name = 'assets/idc_list.html'

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('IDC list'),
            'keyword': self.request.GET.get('keyword', '')
        }
        kwargs.update(context)
        return super(IDCListView, self).get_context_data(**kwargs)

    def get_queryset(self):
        self.queryset = super(IDCListView, self).get_queryset()
        self.keyword = keyword = self.request.GET.get('keyword', '')
        self.sort = sort = self.request.GET.get('sort', '-date_created')

        if keyword:
            self.queryset = self.queryset.filter(Q(name__icontains=keyword) |
                                                 Q(comment__icontains=keyword))

        if sort:
            self.queryset = self.queryset.order_by(sort)
        return self.queryset


class IDCCreateView(AdminUserRequiredMixin, CreateView):
    model = IDC
    form_class = IDCForm
    template_name = 'assets/idc_create_update.html'
    success_url = reverse_lazy('assets:idc-list')

    def get_context_data(self, **kwargs):
        context = {
            'app': 'assets',
            'action': 'Create IDC'
        }
        kwargs.update(context)
        return super(IDCCreateView, self).get_context_data(**kwargs)


class IDCUpdateView(AdminUserRequiredMixin, UpdateView):
    model = IDC
    form_class = IDCForm
    template_name = 'assets/idc_create_update.html'
    context_object_name = 'idc'
    success_url = reverse_lazy('assets:idc-list')

    def form_valid(self, form):
        idc = form.save(commit=False)
        idc.save()
        return super(IDCUpdateView, self).form_valid(form)


class IDCDetailView(AdminUserRequiredMixin, DetailView):
    pass


class IDCDeleteView(AdminUserRequiredMixin, DeleteView):
    model = IDC
    template_name = 'assets/delete_confirm.html'
    success_url = reverse_lazy('assets:idc-list')


class AdminUserListView(AdminUserRequiredMixin, ListView):
    model = AdminUser
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
    context_object_name = 'admin_user_list'
    template_name = 'assets/admin_user_list.html'

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Admin user list'),
            'keyword': self.request.GET.get('keyword', '')
        }
        kwargs.update(context)
        return super(AdminUserListView, self).get_context_data(**kwargs)

    def get_queryset(self):
        # Todo: Default order by lose asset connection num
        self.queryset = super(AdminUserListView, self).get_queryset()
        self.keyword = keyword = self.request.GET.get('keyword', '')
        self.sort = sort = self.request.GET.get('sort', '-date_created')

        if keyword:
            self.queryset = self.queryset.filter(Q(name__icontains=keyword) |
                                                 Q(comment__icontains=keyword))

        if sort:
            self.queryset = self.queryset.order_by(sort)
        return self.queryset


class AdminUserCreateView(AdminUserRequiredMixin, SuccessMessageMixin, CreateView):
    model = AdminUser
    form_class = AdminUserForm
    template_name = 'assets/admin_user_create_update.html'
    success_url = reverse_lazy('assets:admin-user-list')

    def get_context_data(self, **kwargs):
        context = {
            'app': 'assets',
            'action': 'Create admin user'
        }
        kwargs.update(context)
        return super(AdminUserCreateView, self).get_context_data(**kwargs)

    def get_success_message(self, cleaned_data):
        success_message = _('Create admin user <a href="%s">%s</a> successfully.' %
                            (
                                reverse_lazy('assets:admin-user-detail', kwargs={'pk': self.object.pk}),
                                self.object.name,
                            ))
        return success_message


class AdminUserUpdateView(AdminUserRequiredMixin, UpdateView):
    model = AdminUser
    form_class = AdminUserForm
    template_name = 'assets/admin_user_create_update.html'

    def get_context_data(self, **kwargs):
        context = {
            'app': 'assets',
            'action': 'Update admin user'
        }
        kwargs.update(context)
        return super(AdminUserUpdateView, self).get_context_data(**kwargs)

    def get_success_url(self):
        success_url = reverse_lazy('assets:admin-user-detail', pk=self.object.pk)
        return success_url


class AdminUserDetailView(AdminUserRequiredMixin, SingleObjectMixin, ListView):
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
    template_name = 'assets/admin_user_detail.html'
    context_object_name = 'admin_user'

    def get(self, request, *args, **kwargs):
        self.object  = self.get_object(queryset=AdminUser.objects.all())
        return super(AdminUserDetailView, self).get(request, *args, **kwargs)

    # Todo: queryset default order by connectivity, need ops support
    def get_queryset(self):
        return self.object.assets.all()

    def get_context_data(self, **kwargs):
        context = {
            'app': 'assets',
            'action': 'Admin user detail'
        }
        kwargs.update(context)
        return super(AdminUserDetailView, self).get_context_data(**kwargs)


class AdminUserDeleteView(AdminUserRequiredMixin, DeleteView):
    model = AdminUser
    template_name = 'assets/delete_confirm.html'
    success_url = reverse_lazy('assets:admin-user-list')


class SystemUserListView(AdminUserRequiredMixin, ListView):
    model = SystemUser
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
    context_object_name = 'system_user_list'
    template_name = 'assets/system_user_list.html'

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('System user list'),
            'keyword': self.request.GET.get('keyword', '')
        }
        kwargs.update(context)
        return super(SystemUserListView, self).get_context_data(**kwargs)

    def get_queryset(self):
        # Todo: Default order by lose asset connection num
        self.queryset = super(SystemUserListView, self).get_queryset()
        self.keyword = keyword = self.request.GET.get('keyword', '')
        self.sort = sort = self.request.GET.get('sort', '-date_created')

        if keyword:
            self.queryset = self.queryset.filter(Q(name__icontains=keyword) |
                                                 Q(comment__icontains=keyword))

        if sort:
            self.queryset = self.queryset.order_by(sort)
        return self.queryset


class SystemUserCreateView(AdminUserRequiredMixin, SuccessMessageMixin, CreateView):
    model = SystemUser
    form_class = SystemUserForm
    template_name = 'assets/system_user_create_update.html'
    success_url = reverse_lazy('assets:system-user-list')

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Create system user'),
        }
        kwargs.update(context)
        return super(SystemUserCreateView, self).get_context_data(**kwargs)

    def get_success_message(self, cleaned_data):
        success_message = _('Create system user <a href="%s">%s</a> successfully.' %
                            (
                                reverse_lazy('assets:system-user-detail', kwargs={'pk': self.object.pk}),
                                self.object.name,
                            ))

        return success_message


class SystemUserUpdateView(AdminUserRequiredMixin, UpdateView):
    model = SystemUser
    form_class = SystemUserForm
    template_name = 'assets/system_user_create_update.html'

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('Update system user')
        }
        kwargs.update(context)
        return super(SystemUserUpdateView, self).get_context_data(**kwargs)

    def get_success_url(self):
        success_url = reverse_lazy('assets:system-user-detail', kwargs={'pk': self.object.pk})
        return success_url


class SystemUserDetailView(AdminUserRequiredMixin, DetailView):
    template_name = 'assets/system_user_detail.html'
    context_object_name = 'system_user'
    model = SystemUser

    def get_context_data(self, **kwargs):
        context = {
            'app': _('Assets'),
            'action': _('System user detail')
        }
        kwargs.update(context)
        return super(SystemUserDetailView, self).get_context_data(**kwargs)


class SystemUserDeleteView(AdminUserRequiredMixin, DeleteView):
    model = SystemUser
    template_name = 'assets/delete_confirm.html'
    success_url = reverse_lazy('assets:system-user-list')


class SystemUserAssetView(AdminUserRequiredMixin, SingleObjectMixin, ListView):
    paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
    template_name = 'assets/system_user_asset.html'
    context_object_name = 'system_user'

    def get(self, request, *args, **kwargs):
        self.object = self.get_object(queryset=SystemUser.objects.all())
        return super(SystemUserAssetView, self).get(request, *args, **kwargs)

    def get_asset_groups(self):
        return self.object.asset_groups.all()

    # Todo: queryset default order by connectivity, need ops support
    def get_queryset(self):
        return list(self.object.get_assets())

    def get_context_data(self, **kwargs):
        asset_groups = self.get_asset_groups()
        assets = self.get_queryset()
        context = {
            'app': 'assets',
            'action': 'System user asset',
            'assets_remain': [asset for asset in Asset.objects.all() if asset not in assets],
            'asset_groups': asset_groups,
            'asset_groups_remain': [asset_group for asset_group in AssetGroup.objects.all()
                                    if asset_group not in asset_groups]
        }
        kwargs.update(context)
        return super(SystemUserAssetView, self).get_context_data(**kwargs)


# class SystemUserAssetGroupView(AdminUserRequiredMixin, SingleObjectMixin, ListView):
#     paginate_by = settings.CONFIG.DISPLAY_PER_PAGE
#     template_name = 'assets/system_user_asset_group.html'
#     context_object_name = 'system_user'
#
#     def get(self, request, *args, **kwargs):
#         self.object = self.get_object(queryset=SystemUser.objects.all())
#         return super(SystemUserAssetGroupView, self).get(request, *args, **kwargs)
#
    # Todo: queryset default order by connectivity, need ops support
    # def get_queryset(self):
    #     return self.object.asset_groups.all()
    #
    # def get_context_data(self, **kwargs):
    #     context = {
    #         'app': 'assets',
    #         'action': 'System user asset group',
    #         'asset_groups': self.get_queryset(),
    #     }
    #     kwargs.update(context)
    #     return super(SystemUserAssetGroupView, self).get_context_data(**kwargs)