from django.contrib import admin
from django import forms
from .models import (
    Hotel,
    UserHotel,
    APIConfiguration,
    APIRequestLog,
    Reservation,
    Guest
)

# Custom form for Hotel to filter APIConfiguration
class HotelForm(forms.ModelForm):
    class Meta:
        model = Hotel
        fields = "__all__"

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        # Exclude APIs already linked to another hotel
        used_apis = Hotel.objects.exclude(api__isnull=True).values_list('api', flat=True)
        self.fields['api'].queryset = APIConfiguration.objects.exclude(id__in=used_apis)


class HotelAdmin(admin.ModelAdmin):
    form = HotelForm
    list_display = ('name', 'api', 'created_at', 'pms')
    search_fields = ('name',)
    list_filter = ('pms', 'created_at')
    ordering = ('-created_at',)

admin.site.register(Hotel, HotelAdmin)


@admin.register(UserHotel)
class UserHotelAdmin(admin.ModelAdmin):
    list_display = ('user', 'hotel')
    search_fields = ('user__username', 'hotel__name')
    list_filter = ('hotel',)
    ordering = ('-hotel',)


@admin.register(APIConfiguration)
class ApiConfigurationAdmin(admin.ModelAdmin):
    list_display = ('name', 'url', 'token', 'username', 'password', 'last_updated')
    search_fields = ('name', 'url', 'token', 'username')
    list_filter = ('last_updated',)
    ordering = ('-last_updated',)


@admin.register(APIRequestLog)
class ApiRequestLogAdmin(admin.ModelAdmin):
    list_display = ('api', 'request_time', 'response_status', 'response_data')
    search_fields = ('api__name', 'request_time', 'response_status')
    list_filter = ('api', 'response_status', 'request_time')
    ordering = ('-request_time',)


@admin.register(Reservation)
class ReservationAdmin(admin.ModelAdmin):
    list_display = ('reservation_id', 'hotel', 'room_number', 'room_type', 'check_in', 'check_out', 'status', 'price', 'discount')
    search_fields = ('reservation_id', 'hotel__name', 'room_number', 'room_type', 'status')
    list_filter = ('status', 'check_in', 'check_out')
    ordering = ('-check_in',)


@admin.register(Guest)
class GuestAdmin(admin.ModelAdmin):
    list_display = ('reservation', 'name', 'birthdate', 'phone', 'email')
    search_fields = ('reservation__reservation_id', 'name', 'phone', 'email')
    list_filter = ('reservation',)
    ordering = ('-reservation',)