# coding: utf-8

from __future__ import unicode_literals

from django.contrib import admin
from gestioncof.models import *
from gestioncof.petits_cours_models import *
from django.contrib.auth.models import User
from django.contrib.auth.admin import UserAdmin
from django.core.urlresolvers import reverse
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
import django.utils.six as six

import autocomplete_light


def add_link_field(target_model='', field='', link_text=unicode,
                   desc_text=unicode):
    def add_link(cls):
        reverse_name = target_model or cls.model.__name__.lower()

        def link(self, instance):
            app_name = instance._meta.app_label
            reverse_path = "admin:%s_%s_change" % (app_name, reverse_name)
            link_obj = getattr(instance, field, None) or instance
            if not link_obj.id:
                return ""
            url = reverse(reverse_path, args=(link_obj.id,))
            return mark_safe("<a href='%s'>%s</a>"
                             % (url, link_text(link_obj)))
        link.allow_tags = True
        link.short_description = desc_text(reverse_name + ' link')
        cls.link = link
        cls.readonly_fields =\
            list(getattr(cls, 'readonly_fields', [])) + ['link']
        return cls
    return add_link


class SurveyQuestionAnswerInline(admin.TabularInline):
    model = SurveyQuestionAnswer


@add_link_field(desc_text=lambda x: "Réponses",
                link_text=lambda x: "Éditer les réponses")
class SurveyQuestionInline(admin.TabularInline):
    model = SurveyQuestion


class SurveyQuestionAdmin(admin.ModelAdmin):
    search_fields = ('survey__title', 'answer')
    inlines = [
        SurveyQuestionAnswerInline,
    ]


class SurveyAdmin(admin.ModelAdmin):
    search_fields = ('title', 'details')
    inlines = [
        SurveyQuestionInline,
    ]


class EventOptionChoiceInline(admin.TabularInline):
    model = EventOptionChoice


@add_link_field(desc_text=lambda x: "Choix",
                link_text=lambda x: "Éditer les choix")
class EventOptionInline(admin.TabularInline):
    model = EventOption


class EventCommentFieldInline(admin.TabularInline):
    model = EventCommentField


class EventOptionAdmin(admin.ModelAdmin):
    search_fields = ('event__title', 'name')
    inlines = [
        EventOptionChoiceInline,
    ]


class EventAdmin(admin.ModelAdmin):
    search_fields = ('title', 'location', 'description')
    inlines = [
        EventOptionInline,
        EventCommentFieldInline,
    ]


class CofProfileInline(admin.StackedInline):
    model = CofProfile
    inline_classes = ("collapse open",)


class FkeyLookup(object):
    def __init__(self, fkeydecl, short_description=None,
                 admin_order_field=None):
        self.fk, fkattrs = fkeydecl.split('__', 1)
        self.fkattrs = fkattrs.split('__')

        self.short_description = short_description or self.fkattrs[-1]
        self.admin_order_field = admin_order_field or fkeydecl

    def __get__(self, obj, klass):
        if obj is None:
            """
            hack required to make Django validate (if obj is
            None, then we're a class, and classes are callable
            <wink>)
            """
            return self
        item = getattr(obj, self.fk)
        for attr in self.fkattrs:
            item = getattr(item, attr)
        return item


def ProfileInfo(field, short_description, boolean=False):
    def getter(self):
        try:
            return getattr(self.profile, field)
        except CofProfile.DoesNotExist:
            return ""
    getter.short_description = short_description
    getter.boolean = boolean
    return getter

User.profile_login_clipper = FkeyLookup("profile__login_clipper",
                                        "Login clipper")
User.profile_num = FkeyLookup("profile__num", "Numéro")
User.profile_phone = ProfileInfo("phone", "Téléphone")
User.profile_occupation = ProfileInfo("occupation", "Occupation")
User.profile_departement = ProfileInfo("departement", "Departement")
User.profile_mailing_cof = ProfileInfo("mailing_cof", "ML COF", True)
User.profile_mailing_bda = ProfileInfo("mailing_bda", "ML BDA", True)
User.profile_mailing_bda_revente = ProfileInfo("mailing_bda_revente",
                                               "ML BDA-R", True)


class UserProfileAdmin(UserAdmin):
    def is_buro(self, obj):
        try:
            return obj.profile.is_buro
        except CofProfile.DoesNotExist:
            return False
    is_buro.short_description = 'Membre du Buro'
    is_buro.boolean = True

    def is_cof(self, obj):
        try:
            return obj.profile.is_cof
        except CofProfile.DoesNotExist:
            return False
    is_cof.short_description = 'Membre du COF'
    is_cof.boolean = True
    list_display = ('profile_num',) + UserAdmin.list_display \
        + ('profile_login_clipper', 'profile_phone', 'profile_occupation',
           'profile_mailing_cof', 'profile_mailing_bda',
           'profile_mailing_bda_revente', 'is_cof', 'is_buro', )
    list_display_links = ('username', 'email', 'first_name', 'last_name')
    list_filter = UserAdmin.list_filter \
        + ('profile__is_cof', 'profile__is_buro', 'profile__mailing_cof',
           'profile__mailing_bda')
    search_fields = UserAdmin.search_fields + ('profile__phone',)
    inlines = [
        CofProfileInline,
    ]


# FIXME: This is absolutely horrible.
def user_unicode(self):
    if self.first_name and self.last_name:
        return "%s %s (%s)" % (self.first_name, self.last_name, self.username)
    else:
        return self.username
if six.PY2:
    User.__unicode__ = user_unicode
else:
    User.__str__ = user_unicode


class EventRegistrationAdmin(admin.ModelAdmin):
    form = autocomplete_light.modelform_factory(EventRegistration, exclude=[])
    list_display = ('__unicode__' if six.PY2 else '__str__', 'event', 'user', 'paid')
    list_filter = ('paid',)
    search_fields = ('user__username', 'user__first_name', 'user__last_name',
                     'user__email', 'event__title')


class PetitCoursAbilityAdmin(admin.ModelAdmin):
    list_display = ('user', 'matiere', 'niveau', 'agrege')
    search_fields = ('user__username', 'user__first_name', 'user__last_name',
                     'user__email', 'matiere__name', 'niveau')
    list_filter = ('matiere', 'niveau', 'agrege')


class PetitCoursAttributionAdmin(admin.ModelAdmin):
    list_display = ('user', 'demande', 'matiere', 'rank', )
    search_fields = ('user__username', 'matiere__name')


class PetitCoursAttributionCounterAdmin(admin.ModelAdmin):
    list_display = ('user', 'matiere', 'count', )
    list_filter = ('matiere',)
    search_fields = ('user__username', 'user__first_name', 'user__last_name',
                     'user__email', 'matiere__name')
    actions = ['reset', ]
    actions_on_bottom = True

    def reset(self, request, queryset):
        queryset.update(count=0)
    reset.short_description = "Remise à zéro du compteur"


class PetitCoursDemandeAdmin(admin.ModelAdmin):
    list_display = ('name', 'email', 'agrege_requis', 'niveau', 'created',
                    'traitee', 'processed')
    list_filter = ('traitee', 'niveau')
    search_fields = ('name', 'email', 'phone', 'lieu', 'remarques')


class CustomMailAdmin(admin.ModelAdmin):
    search_fields = ('shortname', 'title')

admin.site.register(Survey, SurveyAdmin)
admin.site.register(SurveyQuestion, SurveyQuestionAdmin)
admin.site.register(Event, EventAdmin)
admin.site.register(EventOption, EventOptionAdmin)
admin.site.unregister(User)
admin.site.register(User, UserProfileAdmin)
admin.site.register(CofProfile)
admin.site.register(Club)
admin.site.register(CustomMail)
admin.site.register(PetitCoursSubject)
admin.site.register(PetitCoursAbility, PetitCoursAbilityAdmin)
admin.site.register(PetitCoursAttribution, PetitCoursAttributionAdmin)
admin.site.register(PetitCoursAttributionCounter,
                    PetitCoursAttributionCounterAdmin)
admin.site.register(PetitCoursDemande, PetitCoursDemandeAdmin)
admin.site.register(EventRegistration, EventRegistrationAdmin)