from django.contrib import admin
from django.utils.html import format_html
from django.urls import reverse, reverse_lazy
from django.utils.translation import gettext, gettext_lazy as _, ungettext
from django.forms import ModelForm

from judge.models import Course, CourseRole
from judge.widgets import AdminSelect2MultipleWidget
from judge.widgets import (
    AdminHeavySelect2MultipleWidget,
    AdminHeavySelect2Widget,
    HeavyPreviewAdminPageDownWidget,
    AdminSelect2Widget,
)


class CourseRoleInlineForm(ModelForm):
    class Meta:
        widgets = {
            "user": AdminHeavySelect2Widget(
                data_view="profile_select2", attrs={"style": "width: 100%"}
            ),
            "role": AdminSelect2Widget,
        }


class CourseRoleInline(admin.TabularInline):
    model = CourseRole
    extra = 1
    form = CourseRoleInlineForm


class CourseForm(ModelForm):
    class Meta:
        widgets = {
            "organizations": AdminHeavySelect2MultipleWidget(
                data_view="organization_select2"
            ),
            "about": HeavyPreviewAdminPageDownWidget(
                preview=reverse_lazy("blog_preview")
            ),
        }


class CourseAdmin(admin.ModelAdmin):
    prepopulated_fields = {"slug": ("name",)}
    inlines = [
        CourseRoleInline,
    ]
    list_display = ("name", "is_public", "is_open")
    search_fields = ("name",)
    form = CourseForm