import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:intaleq_rider/constant/box_name.dart';
import 'package:intaleq_rider/constant/links.dart';
import 'package:intaleq_rider/main.dart';
import 'package:intaleq_rider/controller/functions/crud.dart';
import 'package:intaleq_rider/views/widgets/error_snakbar.dart';

class PrimeController extends GetxController {
  // ── State ──────────────────────────────────────────────────
  bool isLoading = false;
  bool isPrime = false;
  String? expireAt;
  double currentWalletBalance = 0.0;

  // ── Pricing map (mirrors backend) ─────────────────────────
  static Map<String, Map<String, dynamic>> pricingMap = {
    'Jordan': {'amount': 1.50,    'currency': 'JOD',   'symbol': 'JOD'},
    'Egypt':  {'amount': 150.00,  'currency': 'EGP',   'symbol': 'EGP'},
    'Syria':  {'amount': 50000.0, 'currency': 'SYP',   'symbol': 'SYP'},
  };

  String get country => box.read(BoxName.countryCode) ?? 'Jordan';

  double get primePrice {
    return (pricingMap[country]?['amount'] ?? 1.50) as double;
  }

  String get primeCurrency {
    return pricingMap[country]?['symbol'] ?? 'JOD';
  }

  @override
  void onInit() {
    super.onInit();
    fetchPrimeStatus();
  }

  // ── Fetch Prime Status ────────────────────────────────────
  Future<void> fetchPrimeStatus() async {
    isLoading = true;
    update();

    try {
      final res = await CRUD().post(link: AppLink.getPrimeStatus, payload: {});
      if (res != 'failure' && res['status'] == 'success') {
        isPrime  = res['data']['is_prime'] == true;
        expireAt = res['data']['expire_at'];
      }
    } catch (e) {
      // Non-critical — default is false
    }

    isLoading = false;
    update();
  }

  // ── Subscribe to Prime ────────────────────────────────────
  Future<void> subscribePrime(BuildContext context) async {
    isLoading = true;
    update();

    try {
      final res = await CRUD().post(
        link: AppLink.initiatePrime,
        payload: {'country': country},
      );

      if (res == 'failure') {
        mySnackbarError('Connection error. Please try again.'.tr);
        isLoading = false;
        update();
        return;
      }

      final status = res['status'] ?? '';

      if (status == 'success') {
        // ✅ تم الاشتراك بنجاح
        isPrime  = true;
        expireAt = res['data']['expire_at'];
        box.write(BoxName.isPrime, true);
        update();
        _showSuccessDialog(context);

      } else if (status == 'insufficient_balance') {
        // 💳 رصيد غير كافٍ
        final required = res['required_amount'] ?? primePrice;
        final current  = res['current_balance'] ?? 0.0;
        _showInsufficientBalanceDialog(context, current: current.toDouble(), required: required.toDouble());

      } else {
        mySnackbarError((res['message'] ?? 'Subscription failed.').toString().tr);
      }
    } catch (e) {
      mySnackbarError('An error occurred. Please try again.'.tr);
    }

    isLoading = false;
    update();
  }

  // ── Dialogs ───────────────────────────────────────────────
  void _showSuccessDialog(BuildContext context) {
    Get.defaultDialog(
      title: '👑 Intaleq Prime!',
      content: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          const Icon(Icons.verified, color: Colors.amber, size: 48),
          const SizedBox(height: 12),
          Text(
            'You are now a Intaleq Prime member! Enjoy no surge pricing for 30 days.'.tr,
            textAlign: TextAlign.center,
          ),
          if (expireAt != null) ...[
            const SizedBox(height: 8),
            Text(
              '${'Valid until'.tr}: $expireAt',
              style: const TextStyle(color: Colors.grey, fontSize: 12),
            ),
          ]
        ],
      ),
      textConfirm: 'Great!'.tr,
      onConfirm: () => Get.back(),
    );
  }

  void _showInsufficientBalanceDialog(BuildContext context, {required double current, required double required}) {
    Get.defaultDialog(
      title: 'Insufficient Balance'.tr,
      content: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          const Icon(Icons.account_balance_wallet_outlined, color: Colors.orange, size: 48),
          const SizedBox(height: 12),
          Text(
            '${'Your current balance'.tr}: ${current.toStringAsFixed(2)} $primeCurrency',
            textAlign: TextAlign.center,
          ),
          const SizedBox(height: 4),
          Text(
            '${'Required'.tr}: ${required.toStringAsFixed(2)} $primeCurrency',
            style: const TextStyle(fontWeight: FontWeight.bold),
            textAlign: TextAlign.center,
          ),
          const SizedBox(height: 8),
          Text(
            'Please top up your wallet to subscribe to Intaleq Prime.'.tr,
            textAlign: TextAlign.center,
            style: const TextStyle(color: Colors.grey),
          ),
        ],
      ),
      textConfirm: 'Top Up Wallet'.tr,
      textCancel: 'Cancel'.tr,
      onConfirm: () {
        Get.back(); // close dialog
        Get.back(); // close Prime page → return to wallet page to top up
      },
    );
  }
}