# coding: utf-8

from django.contrib import admin
from gestioncof.models import Survey, SurveyQuestion, SurveyQuestionAnswer
from gestioncof.models import Event, EventOption, EventOptionChoice
from django.core.urlresolvers import reverse
from django.utils.safestring import mark_safe

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):
    inlines = [
                SurveyQuestionAnswerInline,
              ]

class SurveyAdmin(admin.ModelAdmin):
    inlines = [
                SurveyQuestionInline,
              ]

@add_link_field()
class EventOptionChoiceInline(admin.StackedInline):
    model = EventOptionChoice

@add_link_field()
class EventOptionInline(admin.StackedInline):
    model = EventOption

class EventOptionAdmin(admin.ModelAdmin):
    inlines = [
                EventOptionChoiceInline,
              ]

class EventAdmin(admin.ModelAdmin):
    inlines = [
                EventOptionInline,
              ]

admin.site.register(Survey, SurveyAdmin)
admin.site.register(SurveyQuestion, SurveyQuestionAdmin)
admin.site.register(Event, EventAdmin)
admin.site.register(EventOption, EventOptionAdmin)