import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';

import 'package:percent_indicator/circular_percent_indicator.dart';
import '../../../Controller/Orders/Ordercontroller.dart';
import '../../../Controller/products/product_controller.dart';
import '../../../Globalwidgets/textwidget.dart';
import '../../../Helper/Constants/Colorconstants.dart';
import '../../../Helper/Logger.dart';
import '../../../Model/Response/Summary/Getsummarysresponse.dart';
import '../../../widgets/product_bottom_sheet.dart';
import '../../Orders/Deliverydetails/delivery_detail_view.dart';
import '../Dashboardview.dart';


class OrderView extends StatelessWidget {
  const OrderView({super.key});

  @override
  Widget build(BuildContext context) {
    final OrderController controller = Get.put(OrderController());
    controller.getOrders('today');

    return DefaultTabController(
      length: 4,
      child: Scaffold(
        appBar: AppBar(
          automaticallyImplyLeading: false,
          title: Obx(() {
            return controller.searchMode.value
                ? TextField(
              controller: controller.searchController,
              autofocus: true,
              decoration: InputDecoration(
                hintText: 'Search Orders',
                filled: true,
                fillColor: Colors.white,
                contentPadding: EdgeInsets.symmetric(horizontal: 12, vertical: 8),
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(8),
                  borderSide: BorderSide.none,
                ),
                suffixIcon: IconButton(
                  icon: const Icon(Icons.close, color: ColorConstants.primaryColor),
                  onPressed: () {
                    controller.searchController.clear();
                    controller.searchMode.value = false;
                    controller.search('');
                  },
                ),
              ),
              onChanged: (value) {
                controller.search(value);
              },
            )
                : const TextWidget(
              text: 'Orders',
              fontWeight: FontWeight.w700,
              fontSize: 20,
            );
          }),

          actions: [
            /// Search icon — hidden when searchMode is ON
            Obx(() {
              if (controller.currentTabIndex.value == 3) {
                return SizedBox();
              }

              return controller.searchMode.value
                  ? SizedBox() // <- Hides extra close icon
                  : IconButton(
                icon: const Icon(Icons.search, color: ColorConstants.primaryColor),
                onPressed: () {
                  controller.searchMode.value = true;
                },
              );
            }),
          ],

          bottom: TabBar(
            indicatorColor: ColorConstants.primaryColor,
            labelColor: ColorConstants.primaryColor,
            unselectedLabelColor: ColorConstants.darkGreyColor,
            onTap: (index) {
              controller.currentTabIndex.value = index;

              switch (index) {
                case 0: controller.getOrders('today'); break;
                case 1: controller.getOrders('week'); break;
                case 2: controller.getOrders('month'); break;
                case 3: controller.getSummary(); break;
              }

              controller.searchMode.value = false;
              controller.searchController.clear();
              controller.update();
            },
            tabs: const [
              Tab(text: 'Today'),
              Tab(text: 'This Week'),
              Tab(text: 'This Month'),
              Tab(text: 'Summary'),
            ],
          ),
        ),


        body: Column(
          children: [
            SizedBox(height: 10,),
            Expanded(
              child: TabBarView(
                physics: NeverScrollableScrollPhysics(),
                children: [
                  /// Today Tab
                  OrderListView(controller: controller),
                  /// Week Tab
                  OrderListView(controller: controller),
                  /// Month Tab
                  OrderListView(controller: controller),
                  /// Summary Tab
                  GetBuilder<OrderController>(
                    builder: (_) {
                      return OrderInsightsGrid(
                        total: controller.orderSummaryDetails.total ?? 0,
                        pending: controller.orderSummaryDetails.pending ?? 0,
                        delivered: controller.orderSummaryDetails.delivered ?? 0,
                        cancelled: controller.orderSummaryDetails.cancelled ?? 0,
                      );
                    },
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}

/// Widget to display the list of orders
class OrderListView extends StatelessWidget {
  final OrderController controller;

  OrderListView({super.key, required this.controller});

  final ProductController productController = Get.put(ProductController());

  @override
  Widget build(BuildContext context) {
    return GetBuilder<OrderController>(
      builder: (controller) {
        if (controller.isOrdersLoading.value) {
          return const Center(child: ShimmerListView(height: 180));
        }
        final displayList = controller.searchMode.value ?
        controller.searchOrderList :
        controller.orderAllList;
        logger.i('orderAllList : ${controller.orderAllList}');
        logger.i('SearchList : ${controller.searchOrderList}');
        logger.i('DisplayList : ${displayList}');
        return Column(
          children: [
            // Visibility(
            //   visible: controller.currentTabIndex.value != 3 && controller.orderAllList.isNotEmpty,
            //   child: Padding(
            //     padding: const EdgeInsets.all(12.0),
            //     child: TextField(
            //       controller: controller.searchController,
            //       decoration: InputDecoration(
            //         hintText: 'Search Orders',
            //         filled: true,
            //         fillColor: ColorConstants.secondaryColor,
            //         border: OutlineInputBorder(
            //           borderRadius: BorderRadius.circular(8.0),
            //         ),
            //         enabledBorder: OutlineInputBorder(
            //           borderSide: BorderSide(color: Colors.grey.shade300),
            //           borderRadius: BorderRadius.circular(8.0),
            //         ),
            //         focusedBorder: OutlineInputBorder(
            //           borderSide: BorderSide(
            //               color: ColorConstants.primaryColor, width: 2),
            //           borderRadius: BorderRadius.circular(8.0),
            //         ),
            //         suffixIcon: Visibility(
            //           visible: controller.searchController.text.isNotEmpty,
            //           child: IconButton(
            //             icon: const Icon(
            //               Icons.cancel,
            //               color: ColorConstants.primaryColor,
            //             ),
            //             onPressed: () {
            //               controller.searchController.clear();
            //               controller.search(controller.searchController.text);
            //               controller.searchMode.value = false;
            //               FocusScope.of(context).unfocus();
            //             },
            //           ),
            //         ),
            //       ),
            //       onChanged: (value) {
            //         controller.search(value);
            //       },
            //     ),
            //   ),
            // ),
            Expanded(
              child: displayList.isEmpty && !controller.isOrdersLoading.value
                  ? emptyOrdersWidget()
                  : ListView.builder(
                itemCount: displayList.length,
                itemBuilder: (context, index) {
                  final order = displayList[index];
                  logger.i('FinalOrder : ${order.orderid}');
                  return OrderListItem(
                    order: order,
                    controller: controller,
                    index: index,
                  );
                },
              ),
            ),
          ],
        );
      },
    );
  }
}

/// Order List Items
class OrderListItem extends StatelessWidget {
  final DeliveriesDetails order;
  final int index;
  final dynamic controller;

  OrderListItem({
    Key? key,
    required this.order,
    required this.index,
    required this.controller,
  }) : super(key: key);

  final ProductController productController = Get.put(ProductController());

  @override
  Widget build(BuildContext context) {
   // final currentOrder = controller.orderAllList[index];

    logger.i('Current Order List : ${order.orderid}');

    final date = order.deliverydate != ""
        ? DateFormat("yyyy-MM-dd'T'HH:mm:ss", "en_US").parse(order.deliverydate!)
        : null;

    final formattedDate = date != null ? DateFormat("dd MMM yyyy").format(date) : "--";
    final time = date != null ? DateFormat("hh:mm a").format(date) : "--:--";
    logger.i('Current Order : ${order.actualkms}');

    return Card(
      margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
      elevation: 0,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
      child: InkWell(
        borderRadius: BorderRadius.circular(16),
        onTap: () async {
          final orderId = order.orderheaderid ?? 0;
          print("order id :${orderId}");
          // Fetch products for this order
          await productController.getProductDetails(orderId);


          Get.to(() => OrderDetailsPage(
            productDetails: productController.productDetail,
            orderDetails: order,
           )
          );

        },
        child: Padding(
          padding: const EdgeInsets.all(16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // Order ID, Date, and Info Icon Row
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        "Order ID: ${order.orderid}",
                        style: const TextStyle(
                          fontWeight: FontWeight.bold,
                          fontSize: 16,
                        ),
                      ),
                      const SizedBox(height: 4),
                      Row(
                        children: [
                          Text(
                            formattedDate,
                            style: const TextStyle(
                              color: Colors.grey,
                              fontSize: 13,
                            ),
                          ),
                          const SizedBox(width: 5),
                          Container(
                            height: 10,
                            width: 1,
                            color: Colors.grey,
                          ),
                          const SizedBox(width: 5),
                          Text(
                            time,
                            style: const TextStyle(
                              color: Colors.grey,
                              fontSize: 13,
                            ),
                          ),
                        ],
                      ),
                    ],
                  ),
                  IconButton(
                    padding: EdgeInsets.zero,
                    icon: const Icon(Icons.info_outline, size: 20),
                    onPressed: () async {
                      final orderId = order.orderheaderid ?? 1;
                      await productController.getProductDetails(orderId);
                      if (context.mounted) {
                        ProductBottomSheet.show(context, productController.productDetail, isAmountReceived: true);
                      }
                    },
                  ),
                ],
              ),

              const SizedBox(height: 12),

              // Distance Row
              Row(
                children: [
                  const Icon(Icons.delivery_dining, size: 20, color: Colors.orange),
                  const SizedBox(width: 6),
                  Text(
                    "${order.actualkms != null && order.actualkms != 'null' ? order.actualkms : '0.0'} Km",
                    style: const TextStyle(fontWeight: FontWeight.w500),
                  ),
                ],
              ),

              const SizedBox(height: 12),

              // Rider and Customer Info
              Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  const Icon(Icons.person, size: 20, color: Colors.teal),
                  const SizedBox(width: 6),
                  Expanded(
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(
                          "Rider: ${order.ridername ?? "Unknown"}",
                          style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
                          overflow: TextOverflow.ellipsis,
                        ),
                        const SizedBox(height: 4),
                        Text(
                          "Customer: ${order.deliverycustomer ?? "Unknown"}",
                          style: const TextStyle(fontSize: 14, color: Colors.grey),
                          overflow: TextOverflow.ellipsis,
                        ),
                      ],
                    ),
                  ),
                ],
              ),

              const SizedBox(height: 10),


              // Payment and Status Row
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Row(
                    children: [
                      const Icon(Icons.wallet, size: 20, color: Colors.green),
                      const SizedBox(width: 6),
                      Text(
                        "₹ ${order.orderamount ?? 0}",
                        style: const TextStyle(fontWeight: FontWeight.w600),
                      ),
                    ],
                  ),
                  Container(
                    padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
                    decoration: BoxDecoration(
                      color: _getStatusColor(order.orderstatus),
                      borderRadius: BorderRadius.circular(12),
                    ),
                    child: Text(
                      order.orderstatus?.toUpperCase() ?? "-",
                      style: const TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 13,
                        color: Colors.white,
                      ),
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }

  Color _getStatusColor(String? status) {
    switch (status) {
      case 'delivered':
        return Colors.green;
      case 'cancelled':
        return Colors.red;
      default:
        return Colors.orange;
    }
  }
}



class OrderInsightsGrid extends StatelessWidget {
  final int total;
  final int pending;
  final int delivered;
  final int cancelled;

  OrderInsightsGrid({
    super.key,
    required this.total,
    required this.pending,
    required this.delivered,
    required this.cancelled,
  });

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(16.0),
      child: GridView.count(
        shrinkWrap: true,
        physics: const NeverScrollableScrollPhysics(),
        crossAxisCount: 2,
        mainAxisSpacing: 16,
        crossAxisSpacing: 16,
        childAspectRatio: .70,
        children: [
          _buildInsightCard(
            label: "Total Orders",
            count: total,
            icon: Icons.list_alt,
            color: Colors.blue,
            showChart: false,
          ),
          _buildInsightCard(
            label: "Pending",
            count: pending,
            percent: total > 0 ? pending / total : 0.0,
            icon: Icons.schedule,
            color: Colors.orange,
          ),
          _buildInsightCard(
            label: "Delivered",
            count: delivered,
            percent: total > 0 ? delivered / total : 0.0,
            icon: Icons.check_circle,
            color: Colors.green,
          ),
          _buildInsightCard(
            label: "Cancelled",
            count: cancelled,
            percent: total > 0 ? cancelled / total : 0.0,
            icon: Icons.cancel,
            color: Colors.red,
          ),
        ],
      ),
    );
  }

  Widget _buildInsightCard({
    required String label,
    required int count,
    double percent = 1.0,
    required IconData icon,
    required Color color,
    bool showChart = true,
  }) {
    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(10),
      ),
      padding: const EdgeInsets.all(16),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          if (showChart)
            SizedBox(
              height: 60,
              width: 60,
              child: CircularPercentIndicator(
                radius: 30,
                lineWidth: 5,
                percent: percent.clamp(0.0, 1.0),
                center: Icon(icon, color: color, size: 24),
                backgroundColor: color.withOpacity(0.1),
                progressColor: color,
                animation: true,
              ),
            )
          else
            Icon(icon, color: color, size: 32),
          const SizedBox(height: 12),
          TextWidget(
            text: "$count",
            fontWeight: FontWeight.w700,
            color: color,
            fontSize: 20,
          ),
          const SizedBox(height: 6),
          TextWidget(
            text: label,
            fontSize: 16,
            textAlign: TextAlign.center,
          ),
          if (showChart)
            Padding(
              padding: const EdgeInsets.only(top: 4),
              child: TextWidget(
                text: "${(percent * 100).toStringAsFixed(1)}%",
                fontSize: 14,
                color: ColorConstants.darkGreyColor?.withOpacity(0.5),
                fontWeight: FontWeight.w700,
              ),
            ),
        ],
      ),
    );
  }

}