import 'dart:async';

import 'package:cheminova/models/place_order_list_model.dart';
import 'package:cheminova/screens/order_management/order_management_detail_screen.dart';
import 'package:cheminova/widgets/input_field.dart';
import 'package:cheminova/widgets/my_drawer.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:intl/intl.dart';
import '../../controller/cart_controller.dart';
import '../../controller/get_order_placed_controller.dart';
import '../../models/product_model1.dart';


class OrderManagementScreen extends StatefulWidget {
  final Product? productModel;
  PlacedOrderList? placeOrder;
  OrderManagementScreen({super.key, this.productModel, this.placeOrder});

  @override
  State<OrderManagementScreen> createState() => _OrderManagementScreenState();
}

class _OrderManagementScreenState extends State<OrderManagementScreen> {
  final _searchController = TextEditingController();
  final List<String> _filterList = ["Order Status", "Date Range"];

  final GetPlacedOrderController _getPlacedOrderController = Get.put(GetPlacedOrderController());
  final CartController _cartController = Get.put(CartController());
  final GlobalKey<RefreshIndicatorState> _refreshIndicatorKey =
  GlobalKey<RefreshIndicatorState>();

  @override
  void initState() {
    super.initState();
    getOrder1(); // Fetch orders when the screen initializes
  }

  Future<void> _onRefresh() async {
    await getOrder1();
    await Future.delayed(Duration(seconds: 1));
  }
  // Fetches orders from the API
  Future<void> getOrder1() async {
    await _getPlacedOrderController.getOrders();
    print("Order fetched successfully");
  }
  // Capitalizes the first letter of the string
  String capitalizeFirstLetter(String text) {
    if (text.isEmpty) return text;
    return text[0].toUpperCase() + text.substring(1).toLowerCase();
  }
  // Formats the date received from the API
  String formatDate(String apiDate) {
    DateTime parsedDate = DateTime.parse(apiDate);
    String formattedDate = DateFormat('dd-MMM-yyyy').format(parsedDate);
    return formattedDate;
  }

  Future<void> searchOrder(String query) async {
    {
      _getPlacedOrderController.searchOrder();
    }
  }
  @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("Order Management"),
      ),
      drawer:  MyDrawer(),
      body: Stack(
        fit: StackFit.expand,
        children: [
          Image.asset('assets/images/image_1.png', fit: BoxFit.cover),
          SafeArea(
            child: SingleChildScrollView(
                child: Padding(
                padding: EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
                child: RefreshIndicator(
                   key: _refreshIndicatorKey,
                    onRefresh: _onRefresh,
                    color: Colors.black,
                    backgroundColor: Colors.white,
                  child: Column(
                    mainAxisSize: MainAxisSize.min,
                    mainAxisAlignment: MainAxisAlignment.start,
                    children: [
                      InputField(
                        hintText: "Search Order",
                        labelText: "Search Order",

                        controller: _searchController,
                        onChanged: (value) {
                         searchOrder(value);// Call search function with input value
                        },
                      ),
                      SizedBox(height: Get.height * 0.035),
                      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: Obx(() {
                                  // Use a set to keep track of unique order IDs
                                  final Set<String> uniqueOrderIds = {};
                                  final List<PlacedOrderList> uniqueOrders = [];
                                  // Loop through the fetched orders to filter unique orders
                                  for (var order in _getPlacedOrderController.placedOrders) {
                                    if (uniqueOrderIds.add(order.id)) {
                                      uniqueOrders.add(order);
                                    }
                                  }
                                  // Displaying unique orders in a ListView
                                  return ListView.builder(
                                    padding: EdgeInsets.zero,
                                    shrinkWrap: true,
                                    itemCount: uniqueOrders.length,
                                    itemBuilder: (context, index) {
                                      final order = uniqueOrders[index];

                                      // Combine product names into a single string
                                      final productNames = order.orderItem
                                          .map((item) => capitalizeFirstLetter(item.name))
                                          .join(', ');

                                      return Padding(
                                        padding: const EdgeInsets.symmetric(vertical: 8),
                                        child: Card(
                                          child: Column(
                                            crossAxisAlignment: CrossAxisAlignment.start,
                                            children: [
                                              Padding(
                                                padding: const EdgeInsets.fromLTRB(16, 8, 8, 0),
                                                child: Row(
                                                  mainAxisAlignment: MainAxisAlignment.start,
                                                  children: [
                                                    Text("Order ID: ", style: GoogleFonts.roboto(fontSize: 14, fontWeight: FontWeight.bold)),
                                                    Text("${order.uniqueId}")
                                                  ],
                                                ),
                                              ),
                                              Padding(
                                                padding: const EdgeInsets.fromLTRB(16, 8, 8, 0),
                                                child: Row(
                                                  crossAxisAlignment: CrossAxisAlignment.start, // Aligns the Column to the top of the Text
                                                  children: [
                                                    Text(
                                                      "Product Names: ",
                                                      style: GoogleFonts.roboto(
                                                        fontSize: 14,
                                                        fontWeight: FontWeight.bold,
                                                      ),
                                                    ),
                                                    Expanded(
                                                      child: Column(
                                                        crossAxisAlignment: CrossAxisAlignment.start, // Aligns text to the right within the Column
                                                        children: [
                                                          const SizedBox(height: 4), // Adds a small space between the label and the product names
                                                          for (int i = 0; i < productNames.split(",").length; i++)
                                                            Text(
                                                              '${i + 1}. ${productNames.split(",")[i].trim()}', // Adds index and trims whitespace
                                                              textAlign: TextAlign.left, // Aligns text to the right
                                                              style: GoogleFonts.roboto(
                                                                fontSize: 14,
                                                              ),
                                                            ),
                                                        ],
                                                      ),
                                                    ),
                                                  ],
                                                ),
                                              ),


                                              Padding(
                                                padding: const EdgeInsets.fromLTRB(16, 8, 8, 0),
                                                child: Row(
                                                  mainAxisAlignment: MainAxisAlignment.start,
                                                  children: [
                                                    Text("Order Date: ", style: GoogleFonts.roboto(fontSize: 14, fontWeight: FontWeight.bold)),
                                                    Text(formatDate("${order.createdAt}"))
                                                  ],
                                                ),
                                              ),
                                              Padding(
                                                padding: const EdgeInsets.fromLTRB(16, 8, 8, 8),
                                                child: Row(
                                                  mainAxisAlignment: MainAxisAlignment.start,
                                                  children: [
                                                    Text("Status: ", style: GoogleFonts.roboto(fontSize: 14, fontWeight: FontWeight.bold)),
                                                    Text(capitalizeFirstLetter("${order.status}"))
                                                  ],
                                                ),
                                              ),
                                              SizedBox(
                                                width: Get.width * 0.4,
                                                child: Padding(
                                                  padding: const EdgeInsets.all(8.0),
                                                  child: ElevatedButton(
                                                    onPressed: () => Get.to(() => OrderManagementDetailScreen(
                                                        placedOrderList: uniqueOrders[index])), // Navigate to detail screen
                                                    style: ElevatedButton.styleFrom(
                                                      foregroundColor: Colors.white,
                                                      backgroundColor: const Color(0xFF004791),
                                                      shape: RoundedRectangleBorder(
                                                          borderRadius: BorderRadius.circular(10)),
                                                    ),
                                                    child: Text("View Details", style: GoogleFonts.roboto(fontSize: 14, fontWeight: FontWeight.w400)),
                                                  ),
                                                ),
                                              )
                                            ],
                                          ),
                                        ),
                                      );
                                    },
                                  );
                                }),
                              )
                            ],
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}