from django.contrib import admin

from .models import Reservation, ReservationToken


class ReservationTokenInline(admin.TabularInline):
    model = ReservationToken
    extra = 0
    readonly_fields = ("token_hash", "used_at", "created_at")
    fields = ("purpose", "token_hash", "expires_at", "used_at", "created_at")
    can_delete = False


@admin.register(Reservation)
class ReservationAdmin(admin.ModelAdmin):
    list_display = (
        "name",
        "email",
        "performance",
        "party_size",
        "status",
        "confirmed_at",
        "qr_code_generated_at",
        "created_at",
    )
    list_filter = ("status", "performance", "created_at", "confirmed_at")
    search_fields = ("name", "email", "phone", "performance__show__title")
    inlines = (ReservationTokenInline,)
    list_select_related = ("performance", "performance__show", "performance__venue")
    readonly_fields = ("created_at", "updated_at", "confirmed_at", "qr_code_generated_at")
    autocomplete_fields = ("performance",)


@admin.register(ReservationToken)
class ReservationTokenAdmin(admin.ModelAdmin):
    list_display = ("reservation", "purpose", "expires_at", "used_at", "created_at", "token_preview")
    list_filter = ("purpose", "expires_at", "used_at", "created_at")
    search_fields = ("reservation__name", "reservation__email", "token_hash")
    readonly_fields = ("token_hash", "created_at", "used_at")
    list_select_related = ("reservation", "reservation__performance")
    autocomplete_fields = ("reservation",)

    @admin.display(description="Token hash")
    def token_preview(self, obj):
        return obj.token_hash[:12]