from django.contrib import admin
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.shortcuts import redirect

from .models import TermsAndConditions, User


@admin.register(User)
class UserAdmin(BaseUserAdmin):
    model = User
    list_display = ("phone", "name", "state", "gem_balance", "referral_code", "is_active", "is_staff", "created_at")
    list_filter = ("state", "is_active", "is_staff")
    search_fields = ("phone", "name", "referral_code")
    ordering = ("-created_at",)
    readonly_fields = (
        "otp_code",
        "otp_expiry",
        "created_at",
        "updated_at",
        "last_login",
        "gem_balance",
        "referral_code",
        "referral_bonus_granted",
    )
    autocomplete_fields = ["referred_by"]

    fieldsets = (
        (None, {"fields": ("phone", "password")}),
        ("اطلاعات شخصی", {"fields": ("name",)}),
        ("وضعیت", {"fields": ("state", "is_active", "is_staff", "is_superuser", "groups", "user_permissions")}),
        (
            "جم و معرفی",
            {"fields": ("gem_balance", "trial_expires_at", "referral_code", "referred_by", "referral_bonus_granted")},
        ),
        ("OTP", {"fields": ("otp_code", "otp_expiry")}),
        ("تاریخ‌ها", {"fields": ("created_at", "updated_at", "last_login")}),
    )
    add_fieldsets = (
        (None, {"classes": ("wide",), "fields": ("phone", "password1", "password2")}),
    )


@admin.register(TermsAndConditions)
class TermsAndConditionsAdmin(admin.ModelAdmin):
    """تک‌ردیفی — لیست را رد می‌کنیم و مستقیم فرم ویرایش همان یک ردیف را نشان می‌دهیم."""

    list_display = ("updated_at",)

    def has_add_permission(self, request):
        return not TermsAndConditions.objects.exists()

    def has_delete_permission(self, request, obj=None):
        return False

    def changelist_view(self, request, extra_context=None):
        obj = TermsAndConditions.get_solo()
        return redirect("admin:account_termsandconditions_change", obj.pk)