import 'package:auto_route/auto_route.dart';
import 'package:flutter/material.dart';
import 'package:line_icons/line_icons.dart';
import 'dart:math' as math;

import '../../../common/theme/theme.dart';
import '../../components/button/button.dart';
import '../../components/spacer/spacer.dart';
import 'widgets/appbar.dart';
import 'widgets/quick_stats.dart';
import 'widgets/report_action.dart';
import 'widgets/revenue_summary.dart';
import 'widgets/sales.dart';
import 'widgets/top_product.dart';

@RoutePage()
class ReportPage extends StatefulWidget {
  const ReportPage({super.key});

  @override
  State<ReportPage> createState() => _ReportPageState();
}

class _ReportPageState extends State<ReportPage> with TickerProviderStateMixin {
  late AnimationController _fadeController;
  late AnimationController _slideController;
  late AnimationController _rotationController;
  late Animation<double> _fadeAnimation;
  late Animation<Offset> _slideAnimation;
  late Animation<double> _rotationAnimation;

  @override
  void initState() {
    super.initState();

    _fadeController = AnimationController(
      duration: const Duration(milliseconds: 800),
      vsync: this,
    );

    _slideController = AnimationController(
      duration: const Duration(milliseconds: 1000),
      vsync: this,
    );

    _rotationController = AnimationController(
      duration: const Duration(seconds: 3),
      vsync: this,
    )..repeat();

    _fadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
      CurvedAnimation(parent: _fadeController, curve: Curves.easeInOut),
    );

    _slideAnimation =
        Tween<Offset>(begin: const Offset(0, 0.3), end: Offset.zero).animate(
          CurvedAnimation(parent: _slideController, curve: Curves.elasticOut),
        );

    _rotationAnimation = Tween<double>(
      begin: 0,
      end: 2 * math.pi,
    ).animate(_rotationController);

    _fadeController.forward();
    _slideController.forward();
  }

  @override
  void dispose() {
    _fadeController.dispose();
    _slideController.dispose();
    _rotationController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColor.background,
      body: CustomScrollView(
        slivers: [
          // Custom App Bar with Hero Effect
          SliverAppBar(
            expandedHeight: 120,
            floating: false,
            pinned: true,
            backgroundColor: AppColor.primary,
            centerTitle: false,
            flexibleSpace: ReportAppBar(rotationAnimation: _rotationAnimation),
            actions: [
              ActionIconButton(onTap: () {}, icon: LineIcons.download),
              ActionIconButton(onTap: () {}, icon: LineIcons.filter),
              SpaceWidth(8),
            ],
          ),

          // Content
          SliverPadding(
            padding: EdgeInsets.all(AppValue.padding),
            sliver: SliverList(
              delegate: SliverChildListDelegate([
                FadeTransition(
                  opacity: _fadeAnimation,
                  child: SlideTransition(
                    position: _slideAnimation,
                    child: Column(
                      children: [
                        ReportRevenueSummary(
                          rotationAnimation: _rotationAnimation,
                        ),
                        const SpaceHeight(24),
                        ReportQuickStats(),
                        const SpaceHeight(24),
                        ReportSales(),
                        const SpaceHeight(24),
                        ReportTopProduct(),
                        const SpaceHeight(24),
                        ReportAction(),
                        const SpaceHeight(20),
                      ],
                    ),
                  ),
                ),
              ]),
            ),
          ),
        ],
      ),
    );
  }
}