import 'dart:convert';
import 'dart:ui';

import 'package:fis_i18n/i18n.dart';
import 'package:fis_ui/index.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

import 'package:flutter_printer_plus/flutter_printer_plus.dart'
    if (dart.library.html) "package:vitalapp/pages/medical_checkup_station/usb_print/web/flutter_printer_plus.dart";
import 'package:get/get.dart';
import 'package:print_image_generate_tool/print_image_generate_tool.dart';
import 'package:vitalapp/pages/medical_checkup_station/registration/controller.dart';
import 'package:vitalapp/pages/medical_checkup_station/registration/widgets/filter/index.dart';
import 'package:vitalapp/pages/medical_checkup_station/registration/widgets/floating_action_button/index.dart';
import 'package:vitalapp/pages/medical_checkup_station/registration/widgets/table/index.dart';
import 'package:vitalapp/pages/medical_checkup_station/usb_print/module/printer_info.dart';

class RegistrationList extends GetView<RegistrationController> {
  RegistrationList({super.key});

  @override
  Widget build(BuildContext context) {
    Widget table;
    if (kIsWeb) {
      table = _buildWeb();
    } else {
      table = PrintImageGenerateWidget(
        contentBuilder: (context) {
          return _buildWeb();
        },
        onPictureGenerated: _onPictureGenerated,
      );
    }
    return Scaffold(
      body: table,
      floatingActionButton: const RegistrationActionButton(),
    );
  }

  /// TODO BAKA 需要演示
  Widget _buildWeb() {
    return Row(
      children: [
        Expanded(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.start,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              const RegistrationFilter(),
              GetBuilder<RegistrationController>(
                id: "registration_table",
                builder: (_) {
                  return Expanded(
                    child: RegistrationTable(
                      residentList: controller.residentList,
                    ),
                  );
                },
              ),
              _buildTablePagination(),
            ],
          ),
        ),
        Container(
          width: 160,
          decoration: BoxDecoration(
            border: Border(
              left: BorderSide(
                color: Colors.grey[300]!,
                width: 1,
              ),
            ),
          ),
          child: GetBuilder<RegistrationController>(
              id: "registration_table_detail",
              builder: (_) {
                return Container(
                  child: Column(
                    children: [
                      if (controller.listController.examList().length != 0)
                        _buildTitle("未做体检项"),
                      Column(
                        children: controller.listController
                            .examList()
                            .map((e) => ListTile(
                                  title: Text(_currentExam[e] ?? ''),
                                  onTap: () {},
                                ))
                            .toList(),
                      ),
                      if ((controller.listController.currentResident
                                      .finishedExamKeys ??
                                  [])
                              .length !=
                          0)
                        _buildTitle("已做体检项"),
                      Column(
                        children: (controller.listController.currentResident
                                    .finishedExamKeys ??
                                [])
                            .map((e) => ListTile(
                                  title: Text(_currentExam[e] ?? ''),
                                  onTap: () {},
                                ))
                            .toList(),
                      ),
                    ],
                  ),
                );
              }),
        ),
      ],
    );
  }

  Widget _buildTitle(String titleName) {
    return Container(
      alignment: Alignment.centerLeft,
      padding: EdgeInsets.only(left: 8),
      child: Text(
        titleName,
        style: TextStyle(color: Colors.white, fontSize: 20),
      ),
      height: 40,
      color: Colors.blue,
      width: double.maxFinite,
    );
  }

  Map<String, String> _currentExam = {
    "HEIBasic": "基础检查",
    "HEIUrinalysis": "尿常规检查",
    "HEIUltrasonic": "超声检查",
    "HEIBiochemical": "生化检查",
    "HEIBloodRoutine": "血常规检查",
    "HEIECG": "心电检查",
    "HEITCMC": "中医体质",
  };

  //打印图层生成成功
  Future<void> _onPictureGenerated(PicGenerateResult data) async {
    final printTask = data.taskItem;

    //指定的打印机
    final printerInfo = printTask.params as PrinterInfo;
    //打印票据类型（标签、小票）
    final printTypeEnum = printTask.printTypeEnum;

    final imageBytes =
        await data.convertUint8List(imageByteFormat: ImageByteFormat.png);
    String base64Image = base64Encode(imageBytes!);
    //也可以使用 ImageByteFormat.png
    final argbWidth = data.imageWidth;
    final argbHeight = data.imageHeight;
    if (imageBytes == null) {
      return;
    }
    //只要 imageBytes 不是使用 ImageByteFormat.rawRgba 格式转换的 unit8List
    //argbWidthPx、argbHeightPx 不要传值，默认为空就行
    var printData = await PrinterCommandTool.generatePrintCmd(
      imgData: imageBytes,
      printType: printTypeEnum,
      argbWidthPx: argbWidth,
      argbHeightPx: argbHeight,
    );
    if (printerInfo.isUsbPrinter) {
      // usb 打印
      final conn = UsbConn(printerInfo.usbDevice!);
      conn.writeMultiBytes(printData, 1024 * 3);
    } else if (printerInfo.isNetPrinter) {
      // 网络 打印
      final conn = NetConn(printerInfo.ip!);
      conn.writeMultiBytes(printData);
    }
  }

  Widget _buildTablePagination() {
    return GetBuilder<RegistrationController>(
      id: "registration_table_pagination",
      builder: (_) {
        return Row(
          mainAxisAlignment: MainAxisAlignment.end,
          children: [
            FTablePagination(
              currListLength: controller.appointmentModelListLength,
              currPageIndex: controller.currPageIndex,
              pageSize: 10,
              onChangePage: (pageIndex, listLength) {
                controller.listController.getRegisterInfoPage(
                  pageIndex: pageIndex,
                  pageSize: listLength,
                );
                // _tableScrollToTop();
              },
              totalItemNumText: i18nBook.common.ofTerm
                  .translate(['${controller.appointmentModelListLength}']),
              previousFivePageText: i18nBook.common.previousFivePageText.t,
              nextFivePageText: i18nBook.common.nextFivePageText.t,
            ),
            SizedBox(
              width: 20,
            )
          ],
        );
      },
    );
  }
}