import 'package:cheminova/widgets/inventory_product_card.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/svg.dart';
import 'package:get/get.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:cheminova/widgets/my_drawer.dart';
import '../../controller/inventory_management_controller.dart';
import '../../models/InventoryManagementResponse.dart';

class InventoryManagementScreen extends StatefulWidget {
  const InventoryManagementScreen({super.key});

  @override
  State<InventoryManagementScreen> createState() =>
      _InventoryManagementScreenState();
}

class _InventoryManagementScreenState extends State<InventoryManagementScreen> {
  late Future<InventoryManagementResponse> _productsFuture;

  final InventoryManagementController _controller =
      Get.put(InventoryManagementController());

  final List<String> _filterList = [
    "Category",
    "Price Range",
    "Availability",
  ];

  @override
  void initState() {
    super.initState();
    _productsFuture = _controller.getProducts();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      extendBodyBehindAppBar: true,
      appBar: AppBar(
        centerTitle: true,
        backgroundColor: Colors.transparent,
        elevation: 0,
        leading: Builder(
          builder: (context) {
            return GestureDetector(
              onTap: () => Scaffold.of(context).openDrawer(),
              child: Padding(
                padding: const EdgeInsets.all(16.0),
                child: SvgPicture.asset('assets/svg/menu.svg'),
              ),
            );
          },
        ),
        actions: [
          GestureDetector(
            onTap: () => Get.back(),
            child: Padding(
              padding: const EdgeInsets.all(8.0),
              child: SvgPicture.asset('assets/svg/back_arrow.svg'),
            ),
          ),
        ],
        title: const Text("Inventory Management"),
      ),
      drawer: const MyDrawer(),
      body: Stack(
        fit: StackFit.expand,
        children: [
          Image.asset(
            'assets/images/image_1.png',
            fit: BoxFit.cover,
          ),
          SafeArea(
            child: Column(
              children: [
                SizedBox(height: Get.height * 0.02),
                Card(
                  margin: const EdgeInsets.symmetric(horizontal: 18),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(19),
                    side: const BorderSide(color: Color(0xFFFDFDFD)),
                  ),
                  color: const Color(0xFFB4D1E5).withOpacity(0.9),
                  child: Padding(
                    padding: const EdgeInsets.all(12.0),
                    child: Column(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        SizedBox(
                          height: Get.height * 0.05,
                          child: ListView.builder(
                            shrinkWrap: true,
                            scrollDirection: Axis.horizontal,
                            itemCount: _filterList.length,
                            itemBuilder: (context, index) => Padding(
                              padding:
                                  const EdgeInsets.symmetric(horizontal: 4),
                              child: Chip(
                                label: Text(
                                  _filterList[index],
                                  style: GoogleFonts.roboto(
                                    fontSize: 14,
                                    fontWeight: FontWeight.w500,
                                  ),
                                ),
                              ),
                            ),
                          ),
                        ),
                        SizedBox(
                          height: Get.height * 0.6,
                          child: FutureBuilder<InventoryManagementResponse>(
                            future: _productsFuture,
                            builder: (context, snapshot) {
                              if (snapshot.connectionState ==
                                  ConnectionState.waiting) {
                                return const Center(
                                    child: CircularProgressIndicator());
                              } else if (snapshot.hasError) {
                                return Center(
                                    child: Text('Error: ${snapshot.error}'));
                              } else if (snapshot.hasData) {
                                final products = snapshot.data!.products ?? [];
                                return ListView.builder(
                                  padding: EdgeInsets.zero,
                                  shrinkWrap: true,
                                  itemCount: products.length,
                                  itemBuilder: (context, index) {
                                    final data = products[index];
                                    return InventoryProductCard(product: data);
                                  },
                                );
                              } else {
                                return const Center(
                                    child: Text('No products found'));
                              }
                            },
                          ),
                        )
                      ],
                    ),
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}