import 'package:flutter/material.dart';

import 'package:flutter_bloc/flutter_bloc.dart';

import '../../../core/design/tokens.dart';

import '../../../core/l10n/l10n.dart';

import '../../../core/ui/status_banner.dart';

import '../../../core/ui/tripz_button.dart';

import '../../../core/ui/tripz_scaffold.dart';

import '../cubit/login_cubit.dart';

import '../cubit/login_state.dart';

import '../../../core/ui/form_header.dart';

/// البوابة الثانية: إذن الموقع. عند الرفض النهائي لا يبقى إلا فتح إعدادات
/// النظام — والعودة منها يلتقطها `LoginPage` بمراقبة دورة الحياة.
class PermissionView extends StatelessWidget {
  const PermissionView({super.key});

  @override
  Widget build(BuildContext context) {
    final l10n = context.l10n;
    return BlocBuilder<LoginCubit, LoginState>(
      buildWhen: (p, n) =>
          p.permissionPermanentlyDenied != n.permissionPermanentlyDenied,
      builder: (context, state) {
        final cubit = context.read<LoginCubit>();
        final denied = state.permissionPermanentlyDenied;
        return TripzScaffold(
          showAppBar: false,
          bottomAction: TripzButton.primary(
            label: denied ? l10n.actionOpenSettings : l10n.permissionAllow,
            onPressed: denied
                ? cubit.openSystemSettings
                : cubit.requestLocationPermission,
          ),
          child: ListView(
            children: [
              const SizedBox(height: Space.xl),
              FormHeader(
                icon: Icons.my_location_rounded,
                title: l10n.permissionTitle,
                lead: l10n.permissionLead,
              ),
              if (denied) ...[
                const SizedBox(height: Space.lg),
                StatusBanner(
                  message: l10n.permissionDeniedForever,
                  tone: BannerTone.warning,
                ),
              ],
            ],
          ),
        );
      },
    );
  }
}