"""Admin configuration for user app."""

from contextlib import suppress

from django.contrib import admin
from django.contrib.admin.sites import NotRegistered
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.contrib.auth.models import Group
from django.utils.html import format_html
from django.utils.translation import gettext_lazy as _

from apps.core.models import BackgroundJob
from apps.user.models import Profile, User

try:
    from django_celery_beat.models import (
        ClockedSchedule,
        CrontabSchedule,
        IntervalSchedule,
        PeriodicTask,
        SolarSchedule,
    )
except ImportError:  # pragma: no cover - optional dependency import guard
    ClockedSchedule = None
    CrontabSchedule = None
    IntervalSchedule = None
    PeriodicTask = None
    SolarSchedule = None

try:
    from rest_framework_simplejwt.token_blacklist.models import (
        BlacklistedToken,
        OutstandingToken,
    )
except ImportError:  # pragma: no cover - optional dependency import guard
    BlacklistedToken = None
    OutstandingToken = None


def _unregister(model) -> None:
    if model is None:
        return

    with suppress(NotRegistered):
        admin.site.unregister(model)


_unregister(User)


class ProfileInline(admin.StackedInline):
    """Inline для профиля пользователя."""

    model = Profile
    extra = 0
    max_num = 1
    can_delete = False
    verbose_name_plural = "Профиль"
    fk_name = "user"
    fields = ["first_name", "mid_name", "last_name", "bio", "avatar", "date_of_birth"]


@admin.register(User)
class UserAdmin(BaseUserAdmin):
    """Admin для пользователей без групп."""

    inlines = [ProfileInline]
    list_display = [
        "username",
        "email",
        "phone",
        "is_verified_badge",
        "is_active_badge",
        "is_staff",
        "created_at",
    ]
    list_filter = ["is_staff", "is_superuser", "is_active", "is_verified", "created_at"]
    search_fields = ["username", "email", "phone"]
    ordering = ["-created_at"]
    list_per_page = 50
    date_hierarchy = "created_at"

    fieldsets = (
        (None, {"fields": ("username", "password")}),
        (_("Personal info"), {"fields": ("email", "phone")}),
        (
            _("Permissions"),
            {
                "fields": (
                    "is_active",
                    "is_staff",
                    "is_superuser",
                    "is_verified",
                    "user_permissions",
                ),
                "classes": ("collapse",),
            },
        ),
        (
            _("Important dates"),
            {"fields": ("last_login", "date_joined", "created_at", "updated_at")},
        ),
    )

    add_fieldsets = (
        (
            None,
            {
                "classes": ("wide",),
                "fields": (
                    "username",
                    "email",
                    "password1",
                    "password2",
                    "is_staff",
                    "is_active",
                ),
            },
        ),
    )

    readonly_fields = ["created_at", "updated_at", "last_login", "date_joined"]
    actions = ["verify_users", "unverify_users", "activate_users", "deactivate_users"]

    def is_verified_badge(self, obj):
        if obj.is_verified:
            return format_html(
                '<span style="color: white; background: #28a745; padding: 3px 10px; border-radius: 3px;">✓</span>'
            )
        return format_html(
            '<span style="color: white; background: #dc3545; padding: 3px 10px; border-radius: 3px;">✗</span>'
        )

    is_verified_badge.short_description = "Верифицирован"
    is_verified_badge.admin_order_field = "is_verified"

    def is_active_badge(self, obj):
        if obj.is_active:
            return format_html(
                '<span style="color: white; background: #28a745; padding: 3px 10px; border-radius: 3px;">Активен</span>'
            )
        return format_html(
            '<span style="color: white; background: #dc3545; padding: 3px 10px; border-radius: 3px;">Неактивен</span>'
        )

    is_active_badge.short_description = "Статус"
    is_active_badge.admin_order_field = "is_active"

    @admin.action(description="Верифицировать выбранных пользователей")
    def verify_users(self, request, queryset):
        updated = queryset.update(is_verified=True)
        self.message_user(request, f"Верифицировано {updated} пользователей")

    @admin.action(description="Снять верификацию")
    def unverify_users(self, request, queryset):
        updated = queryset.update(is_verified=False)
        self.message_user(request, f"Снята верификация у {updated} пользователей")

    @admin.action(description="Активировать пользователей")
    def activate_users(self, request, queryset):
        updated = queryset.update(is_active=True)
        self.message_user(request, f"Активировано {updated} пользователей")

    @admin.action(description="Деактивировать пользователей")
    def deactivate_users(self, request, queryset):
        updated = queryset.update(is_active=False)
        self.message_user(request, f"Деактивировано {updated} пользователей")


for model in (
    Group,
    BackgroundJob,
    OutstandingToken,
    BlacklistedToken,
    PeriodicTask,
    CrontabSchedule,
    IntervalSchedule,
    SolarSchedule,
    ClockedSchedule,
):
    _unregister(model)