from django.urls.base import reverse
from django.utils.translation import gettext as _
from themes import empty_entry_parameters, color_icon_url
from . import url_login, url_logout, url_register, url_profile
from . import parameter

ADMIN_ENTRY_UID = 'admin-main'
LOGIN_ENTRY_UID = 'login-main'
LOGOUT_ENTRY_UID = 'logout-main'
PROFILE_ENTRY_UID = 'profile-main'
REGISTER_ENTRY_UID = 'register-main'


def context_adaption(context, request, title):
    context.set_additional_title(title)
    menubar(context[context.MENUBAR], request)
    context[context.NAVIGATIONBAR].append_entry(*empty_entry_parameters(request))
    actionbar(context[context.ACTIONBAR], request)


def menubar(bar, request):
    if not request.user.is_authenticated:
        bar.append_entry(*login_entry_parameters(request))
    else:
        bar.append_entry(*logout_entry_parameters(request))
        if request.user.is_staff or request.user.is_superuser:
            bar.append_entry(*admin_entry_parameters(request))
        bar.append_entry(*profile_entry_parameters(request))


def actionbar(bar, request):
    bar.append_entry(*login_entry_parameters(request, left=True))
    if parameter.get(parameter.USERS_SELF_REGISTRATION):
        bar.append_entry(*register_entry_parameters(request, left=True))


def login_entry_parameters(request, left=False):
    return (
        LOGIN_ENTRY_UID,                            # uid
        _('Login'),                                 # name
        color_icon_url(request, 'login.png'),       # icon
        url_login(request),                         # url
        left,                                       # left
        False                                       # active
    )


def register_entry_parameters(request, left=False):
    return (
        REGISTER_ENTRY_UID,                         # uid
        _('Register'),                              # name
        color_icon_url(request, 'register.png'),    # icon
        url_register(request),                      # url
        left,                                       # left
        False                                       # active
    )


def logout_entry_parameters(request):
    return (
        LOGOUT_ENTRY_UID,                           # uid
        _('Logout'),                                # name
        color_icon_url(request, 'logout.png'),      # icon
        url_logout(request),                        # url
        False,                                      # left
        False,                                      # active
    )


def admin_entry_parameters(request):
    return (
        ADMIN_ENTRY_UID,                            # uid
        _('Administration'),                        # name
        color_icon_url(request, 'admin.png'),       # icon
        reverse('admin:index'),                     # url
        False,                                      # left
        False                                       # active
    )


def profile_entry_parameters(request):
    return (
        PROFILE_ENTRY_UID,                          # uid
        request.user.username,                      # name
        color_icon_url(request, 'user.png'),        # icon
        url_profile(request),                       # url
        False,                                      # left
        False                                       # active
    )