import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:lucide_icons/lucide_icons.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:intl/intl.dart';
import '../../../app/theme/app_colors.dart';
import '../../../data/local/hive_boxes.dart';
import '../../../data/local/models/dzikir_counter.dart';
import '../../../data/local/models/app_settings.dart';

class DzikirScreen extends ConsumerStatefulWidget {
  final bool isSimpleModeTab;
  const DzikirScreen({super.key, this.isSimpleModeTab = false});

  @override
  ConsumerState<DzikirScreen> createState() => _DzikirScreenState();
}

class _DzikirScreenState extends ConsumerState<DzikirScreen>
    with SingleTickerProviderStateMixin {
  late TabController _tabController;
  List<Map<String, dynamic>> _pagiItems = [];
  List<Map<String, dynamic>> _petangItems = [];
  late Box<DzikirCounter> _counterBox;
  late String _todayKey;

  @override
  void initState() {
    super.initState();
    _tabController = TabController(length: 2, vsync: this);
    _counterBox = Hive.box<DzikirCounter>(HiveBoxes.dzikirCounters);
    _todayKey = DateFormat('yyyy-MM-dd').format(DateTime.now());
    _loadData();
  }

  @override
  void dispose() {
    _tabController.dispose();
    super.dispose();
  }

  Future<void> _loadData() async {
    final pagiJson =
        await rootBundle.loadString('assets/dzikir/dzikir_pagi.json');
    final petangJson =
        await rootBundle.loadString('assets/dzikir/dzikir_petang.json');
    setState(() {
      _pagiItems = List<Map<String, dynamic>>.from(json.decode(pagiJson));
      _petangItems = List<Map<String, dynamic>>.from(json.decode(petangJson));
    });
  }

  DzikirCounter _getCounter(String dzikirId, int target) {
    final key = '${dzikirId}_$_todayKey';
    return _counterBox.get(key) ??
        DzikirCounter(
          dzikirId: dzikirId,
          date: _todayKey,
          count: 0,
          target: target,
        );
  }

  void _increment(String dzikirId, int target) {
    final key = '${dzikirId}_$_todayKey';
    var counter = _counterBox.get(key);
    if (counter == null) {
      counter = DzikirCounter(
        dzikirId: dzikirId,
        date: _todayKey,
        count: 1,
        target: target,
      );
      _counterBox.put(key, counter);
    } else {
      if (counter.count < counter.target) {
        counter.count++;
        counter.save();
      }
    }
    setState(() {});
    // Haptic feedback
    HapticFeedback.lightImpact();
  }

  @override
  Widget build(BuildContext context) {
    final isDark = Theme.of(context).brightness == Brightness.dark;
    final box = Hive.box<AppSettings>(HiveBoxes.settings);
    final isSimpleMode = box.get('default')?.simpleMode ?? false;

    return Scaffold(
      appBar: AppBar(
        automaticallyImplyLeading: !widget.isSimpleModeTab,
        title: const Text('Dzikir Pagi & Petang'),
        actions: [
          IconButton(
            onPressed: () {},
            icon: const Icon(LucideIcons.info),
          ),
        ],
      ),
      body: Column(
        children: [
          // Tabs
          Container(
            margin: const EdgeInsets.symmetric(horizontal: 16),
            child: TabBar(
              controller: _tabController,
              labelColor: AppColors.primary,
              unselectedLabelColor: isDark
                  ? AppColors.textSecondaryDark
                  : AppColors.textSecondaryLight,
              indicatorColor: AppColors.primary,
              indicatorWeight: 3,
              labelStyle:
                  const TextStyle(fontWeight: FontWeight.w700, fontSize: 14),
              tabs: const [
                Tab(text: 'Pagi'),
                Tab(text: 'Petang'),
              ],
            ),
          ),
          Expanded(
            child: TabBarView(
              controller: _tabController,
              children: [
                _buildDzikirList(context, isDark, _pagiItems, 'pagi',
                    'Dzikir Pagi', 'Dibaca setelah shalat Shubuh hingga terbit matahari'),
                _buildDzikirList(context, isDark, _petangItems, 'petang',
                    'Dzikir Petang', 'Dibaca setelah shalat Ashar hingga terbenam matahari'),
              ],
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildDzikirList(BuildContext context, bool isDark,
      List<Map<String, dynamic>> items, String prefix, String title, String subtitle) {
    if (items.isEmpty) {
      return const Center(child: CircularProgressIndicator());
    }

    return ListView.builder(
      padding: const EdgeInsets.all(16),
      itemCount: items.length + 1, // +1 for header
      itemBuilder: (context, index) {
        if (index == 0) {
          return Padding(
            padding: const EdgeInsets.only(bottom: 20),
            child: Column(
              children: [
                Text(title,
                    style: const TextStyle(
                        fontSize: 22, fontWeight: FontWeight.w800)),
                const SizedBox(height: 4),
                Text(
                  subtitle,
                  textAlign: TextAlign.center,
                  style: TextStyle(
                    color: isDark
                        ? AppColors.textSecondaryDark
                        : AppColors.textSecondaryLight,
                    fontSize: 13,
                  ),
                ),
              ],
            ),
          );
        }

        final item = items[index - 1];
        final dzikirId = '${prefix}_${item['id']}';
        final target = (item['count'] as num?)?.toInt() ?? 1;
        final counter = _getCounter(dzikirId, target);
        final isComplete = counter.count >= counter.target;

        return Padding(
          padding: const EdgeInsets.only(bottom: 16),
          child: Container(
            padding: const EdgeInsets.all(20),
            decoration: BoxDecoration(
              color: isDark ? AppColors.surfaceDark : AppColors.surfaceLight,
              borderRadius: BorderRadius.circular(16),
              border: Border.all(
                color: isComplete
                    ? AppColors.primary.withValues(alpha: 0.3)
                    : (isDark
                        ? AppColors.primary.withValues(alpha: 0.08)
                        : AppColors.cream),
              ),
            ),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                // Header row: count badge + number
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Container(
                      padding: const EdgeInsets.symmetric(
                          horizontal: 10, vertical: 4),
                      decoration: BoxDecoration(
                        color: AppColors.primary.withValues(alpha: 0.12),
                        borderRadius: BorderRadius.circular(50),
                      ),
                      child: Text(
                        '$target KALI',
                        style: TextStyle(
                          fontSize: 10,
                          fontWeight: FontWeight.w700,
                          color: AppColors.primary,
                        ),
                      ),
                    ),
                    Text(
                      '${(index).toString().padLeft(2, '0')}',
                      style: TextStyle(
                        fontSize: 14,
                        fontWeight: FontWeight.w600,
                        color: isDark
                            ? AppColors.textSecondaryDark
                            : AppColors.textSecondaryLight,
                      ),
                    ),
                  ],
                ),
                const SizedBox(height: 16),
                // Arabic text
                SizedBox(
                  width: double.infinity,
                  child: Text(
                    item['arabic'] ?? '',
                    textAlign: TextAlign.right,
                    style: const TextStyle(
                      fontFamily: 'Amiri',
                      fontSize: 24,
                      height: 2.0,
                    ),
                  ),
                ),
                const SizedBox(height: 12),
                // Transliteration
                Text(
                  item['transliteration'] ?? '',
                  style: TextStyle(
                    fontSize: 13,
                    fontStyle: FontStyle.italic,
                    color: AppColors.primary,
                  ),
                ),
                const SizedBox(height: 8),
                // Translation
                Text(
                  '"${item['translation'] ?? ''}"',
                  style: TextStyle(
                    fontSize: 13,
                    color: isDark
                        ? AppColors.textSecondaryDark
                        : AppColors.textSecondaryLight,
                  ),
                ),
                const SizedBox(height: 16),
                // Counter button
                GestureDetector(
                  onTap: () => _increment(dzikirId, target),
                  child: Container(
                    width: double.infinity,
                    padding: const EdgeInsets.symmetric(vertical: 14),
                    decoration: BoxDecoration(
                      color: isComplete
                          ? AppColors.primary.withValues(alpha: 0.15)
                          : AppColors.primary,
                      borderRadius: BorderRadius.circular(50),
                    ),
                    child: Row(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        Icon(
                          isComplete ? LucideIcons.check : LucideIcons.fingerprint,
                          size: 18,
                          color: isComplete
                              ? AppColors.primary
                              : AppColors.onPrimary,
                        ),
                        const SizedBox(width: 8),
                        Text(
                          '${counter.count} / $target',
                          style: TextStyle(
                            fontSize: 15,
                            fontWeight: FontWeight.w700,
                            color: isComplete
                                ? AppColors.primary
                                : AppColors.onPrimary,
                          ),
                        ),
                      ],
                    ),
                  ),
                ),
              ],
            ),
          ),
        );
      },
    );
  }
}