from typing import Optional

from django.contrib import admin
from django.contrib.auth import get_user_model

from .models import Queue, Playlist, PlaylistSong, QueueCommand, QueueLogEntry, UserQueue
from marietje.admin import UserAdmin as BaseUserAdmin
from django.utils.translation import gettext_lazy as _

from .services import get_queue_for_user

admin.site.register(Playlist)

User = get_user_model()


@admin.register(Queue)
class OrderAdmin(admin.ModelAdmin):
    list_display = ("name", "playlist", "random_playlist")


@admin.register(PlaylistSong)
class PlaylistSongAdmin(admin.ModelAdmin):
    list_display = ("playlist", "song", "user", "state", "played_at")
    list_display_links = ("song",)
    list_filter = ("playlist", "state", "user")
    search_fields = ("song__title", "song__artist", "user__name")
    autocomplete_fields = ("user",)
    readonly_fields = ("song",)


admin.site.register(QueueCommand)


@admin.register(QueueLogEntry)
class QueueLogEntryAdmin(admin.ModelAdmin):
    """Admin for log entries."""

    list_display = [
        "timestamp",
        "queue",
        "action",
        "user",
        "description",
    ]

    list_filter = [
        "queue",
        "action",
        ("timestamp", admin.DateFieldListFilter),
    ]

    def has_delete_permission(self, request, obj=None):
        """Disable delete permission."""
        return False

    def has_add_permission(self, request):
        """Disable add permission."""
        return False

    def has_change_permission(self, request, obj=None):
        """Disable change permission."""
        return False


class UserQueueInline(admin.StackedInline):
    model = UserQueue
    fields = ("queue",)


class UserAdmin(BaseUserAdmin):
    fieldsets = (
        (None, {"fields": ("username", "password")}),
        (_("Personal info"), {"fields": ("name", "email")}),
        (_("Permissions"), {"fields": ("is_active", "is_staff", "is_superuser", "groups", "user_permissions")}),
        (_("Important dates"), {"fields": ("last_login", "date_joined")}),
        (_("Activation"), {"fields": ("activation_token", "reset_token")}),
    )
    list_display = ("username", "email", "name", "date_joined", "last_login", "queue__queue", "is_staff")
    inlines = (UserQueueInline,)

    def queue__queue(self, obj: User) -> Optional[Queue]:
        """Retrieve the Queue for a User."""
        return get_queue_for_user(obj)

    queue__queue.short_description = "queue"


admin.site.unregister(User)
admin.site.register(User, UserAdmin)