import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:vibration/vibration.dart';

import '../../constant/box_name.dart';
import '../../constant/colors.dart';
import '../../constant/style.dart';
import '../../main.dart';

class MyElevatedButton extends StatefulWidget {
  final String title;
  final VoidCallback onPressed;
  final Color kolor;
  final int vibrateDuration;
  final IconData? icon;
  final bool isLoading;
  final double? height;
  final double? fontSize;

  const MyElevatedButton({
    Key? key,
    required this.title,
    required this.onPressed,
    this.kolor = AppColor.primaryColor,
    this.vibrateDuration = 50, // Shorter = crisper feedback
    this.icon,
    this.isLoading = false,
    this.height = 52,
    this.fontSize,
  }) : super(key: key);

  @override
  State<MyElevatedButton> createState() => _MyElevatedButtonState();
}

class _MyElevatedButtonState extends State<MyElevatedButton>
    with SingleTickerProviderStateMixin {
  late final AnimationController _pressController;
  bool _isVibrateEnabled = true;

  @override
  void initState() {
    super.initState();
    _pressController = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 120),
      reverseDuration: const Duration(milliseconds: 180),
    );
    _loadVibratePreference();
  }

  Future<void> _loadVibratePreference() async {
    // Reactive to preference changes if needed later
    setState(() {
      _isVibrateEnabled = box.read(BoxName.isvibrate) ?? true;
    });
  }

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

  void _triggerHaptic() {
    if (!_isVibrateEnabled) return;

    // Unified approach: HapticFeedback works well on both platforms
    if (Platform.isIOS) {
      HapticFeedback.lightImpact();
    } else if (Platform.isAndroid) {
      // Try native haptic first, fallback to Vibration package if needed
      HapticFeedback.mediumImpact();
      // Optional stronger feedback:
      // Vibration.vibrate(duration: widget.vibrateDuration);
    }
  }

  void _handlePress() {
    if (widget.isLoading) return;

    _triggerHaptic();
    _pressController.forward().then((_) => _pressController.reverse());

    // Small delay ensures animation starts before callback
    Future.delayed(const Duration(milliseconds: 80), widget.onPressed);
  }

  @override
  Widget build(BuildContext context) {
    final isEnabled = !widget.isLoading && widget.onPressed != () {};

    return AnimatedBuilder(
      animation: _pressController,
      builder: (context, child) {
        final scale = 1.0 - (_pressController.value * 0.03);

        return Transform.scale(
          scale: scale,
          child: Container(
            height: widget.height,
            decoration: BoxDecoration(
              borderRadius: BorderRadius.circular(12),
              boxShadow: isEnabled
                  ? [
                      BoxShadow(
                        color: widget.kolor.withOpacity(0.25),
                        blurRadius: 12,
                        offset: const Offset(0, 4),
                      ),
                    ]
                  : null,
            ),
            child: ElevatedButton(
              style: ButtonStyle(
                backgroundColor: WidgetStateProperty.resolveWith<Color>(
                  (states) {
                    if (!isEnabled) return widget.kolor.withOpacity(0.5);
                    if (states.contains(WidgetState.pressed)) {
                      return widget.kolor.withOpacity(0.92);
                    }
                    return widget.kolor;
                  },
                ),
                elevation: WidgetStateProperty.resolveWith<double>(
                  (states) => isEnabled
                      ? (states.contains(WidgetState.pressed) ? 2 : 6)
                      : 0,
                ),
                shape: WidgetStateProperty.all(
                  RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(12),
                  ),
                ),
                padding: WidgetStateProperty.all(
                  const EdgeInsets.symmetric(horizontal: 24, vertical: 14),
                ),
              ),
              onPressed: isEnabled ? _handlePress : null,
              child: _buildContent(),
            ),
          ),
        );
      },
    );
  }

  Widget _buildContent() {
    if (widget.isLoading) {
      return SizedBox(
        width: 20,
        height: 20,
        child: CircularProgressIndicator(
          strokeWidth: 2.5,
          valueColor: AlwaysStoppedAnimation<Color>(AppColor.secondaryColor),
        ),
      );
    }

    final textStyle = AppStyle.title.copyWith(
      color: AppColor.secondaryColor,
      fontSize: widget.fontSize,
      fontWeight: FontWeight.w600,
      letterSpacing: 0.3,
    );

    if (widget.icon != null) {
      return Row(
        mainAxisSize: MainAxisSize.min,
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Icon(widget.icon, size: 18, color: AppColor.secondaryColor),
          const SizedBox(width: 8),
          Text(widget.title, style: textStyle, textAlign: TextAlign.center),
        ],
      );
    }

    return Text(widget.title, style: textStyle, textAlign: TextAlign.center);
  }
}