from typing import Any

from django.contrib import admin
from django.http import HttpRequest
from django.urls import reverse
from django.utils.html import format_html

from music.models import Track, Album, Artist


@admin.register(Track)
class TrackAdmin(admin.ModelAdmin):
    class Media:
        js = ("admin/js/upload_progress.js",)
        css = {"all": ("admin/css/upload_progress.css",)}

    list_display = ("album__artist__name", "album__name", "title", "created_by", "created_at")
    search_fields = ("title", "album__artist__name", "album__name")
    list_filter = ("album__artist__name", "album__name", "created_at")


class TrackInline(admin.TabularInline):
    model = Track
    extra = 1
    show_change_link = True

    def has_change_permission(
        self, request: HttpRequest, obj: Any | None = None
    ) -> bool:
        return False

    def has_add_permission(self, request: HttpRequest, obj: Any | None = None) -> bool:
        return False


@admin.register(Album)
class AlbumAdmin(admin.ModelAdmin):
    list_display = ("artist__name", "name")
    search_fields = ("artist__name", "name")
    list_filter = ("artist__name",)
    inlines = [TrackInline]
    readonly_fields = ("add_music_track_link",)

    def add_music_track_link(self, obj: Any | None) -> str:
        if obj is None or not obj.pk:
            return ""
        url = reverse("admin:music_track_add") + f"?album={obj.pk}"
        return format_html('<a class="button" href="{}">Add Music Track</a>', url)

    add_music_track_link.short_description = "Add Music Track"


class AlbumInline(admin.TabularInline):
    model = Album
    extra = 1
    fields = ("name",)
    show_change_link = True

    def has_change_permission(
        self, request: HttpRequest, obj: Any | None = None
    ) -> bool:
        return False

    def has_add_permission(self, request: HttpRequest, obj: Any | None = None) -> bool:
        return False


@admin.register(Artist)
class ArtistAdmin(admin.ModelAdmin):
    list_display = ("name",)
    search_fields = ("name",)
    inlines = [AlbumInline]
    readonly_fields = ("add_album_link",)

    def add_album_link(self, obj: Any | None) -> str:
        if obj is None or not obj.pk:
            return ""
        url = reverse("admin:music_album_add") + f"?artist={obj.pk}"
        return format_html('<a class="button" href="{}">Add Album</a>', url)

    add_album_link.short_description = "Add Album"