from django import forms
from django.contrib import admin
from django.core.urlresolvers import reverse
from django.utils.encoding import force_text
from django.utils.translation import ugettext, ugettext_lazy as _

from orchestra.admin import ExtendedModelAdmin
from orchestra.admin.utils import change_url, get_modeladmin
from orchestra.contrib.accounts.admin import AccountAdminMixin
from orchestra.forms.widgets import DynamicHelpTextSelect
from orchestra.plugins.admin import SelectPluginAdminMixin

from .filters import HasWebsiteListFilter
from .models import WebApp, WebAppOption
from .options import AppOption
from .types import AppType


class WebAppOptionInline(admin.TabularInline):
    model = WebAppOption
    extra = 1
    
    OPTIONS_HELP_TEXT = {
        op.name: force_text(op.help_text) for op in AppOption.get_plugins()
    }
    
    class Media:
        css = {
            'all': ('orchestra/css/hide-inline-id.css',)
        }
    
    def formfield_for_dbfield(self, db_field, **kwargs):
        if db_field.name == 'value':
            kwargs['widget'] = forms.TextInput(attrs={'size':'100'})
        if db_field.name == 'name':
            if self.parent_object:
                plugin = self.parent_object.type_class
            else:
                request = kwargs['request']
                webapp_modeladmin = get_modeladmin(self.parent_model)
                plugin_value = webapp_modeladmin.get_plugin_value(request)
                plugin = AppType.get(plugin_value)
            kwargs['choices'] = plugin.get_group_options_choices()
            # Help text based on select widget
            target = 'this.id.replace("name", "value")'
            kwargs['widget'] = DynamicHelpTextSelect(target, self.OPTIONS_HELP_TEXT)
        return super(WebAppOptionInline, self).formfield_for_dbfield(db_field, **kwargs)


class WebAppAdmin(SelectPluginAdminMixin, AccountAdminMixin, ExtendedModelAdmin):
    list_display = ('name', 'type', 'display_detail', 'display_websites', 'account_link')
    list_filter = ('type', HasWebsiteListFilter)
    inlines = [WebAppOptionInline]
    readonly_fields = ('account_link', )
    change_readonly_fields = ('name', 'type', 'display_websites')
    search_fields = ('name', 'account__username', 'data', 'website__domains__name')
    list_prefetch_related = ('content_set__website',)
    plugin = AppType
    plugin_field = 'type'
    plugin_title = _("Web application type")
    
    def display_websites(self, webapp):
        websites = []
        for content in webapp.content_set.all():
            website = content.website
            url = change_url(website)
            name = "%s on %s" % (website.name, content.path)
            websites.append('<a href="%s">%s</a>' % (url, name))
        if not websites:
            add_url = reverse('admin:websites_website_add')
            add_url += '?account=%s' % webapp.account_id
            plus = '<strong style="color:green; font-size:12px">+</strong>'
            websites.append('<a href="%s">%s%s</a>' % (add_url, plus, ugettext("Add website")))
        return '<br>'.join(websites)
    display_websites.short_description = _("web sites")
    display_websites.allow_tags = True
    
    def display_detail(self, webapp):
        return webapp.type_instance.get_detail()
    display_detail.short_description = _("detail")
    
#    def get_form(self, request, obj=None, **kwargs):
#        form = super(WebAppAdmin, self).get_form(request, obj, **kwargs)
#        if obj:
#            

#    def formfield_for_dbfield(self, db_field, **kwargs):
#        """ Make value input widget bigger """
#        if db_field.name == 'type':
#            # Help text based on select widget
#            kwargs['widget'] = DynamicHelpTextSelect(
#                'this.id.replace("name", "value")', self.TYPE_HELP_TEXT
#            )
#            kwargs['help_text'] = self.TYPE_HELP_TEXT.get(db_field.default, '')
#        return super(WebAppAdmin, self).formfield_for_dbfield(db_field, **kwargs)

admin.site.register(WebApp, WebAppAdmin)