import 'dart:convert';

import 'package:bruno/bruno.dart';
import 'package:flutter/material.dart';
import '/common/colorCom.dart';
import 'package:wms_app/utils/DialogUtils.dart';
import 'package:wms_app/apiclient/WmsApiClient.dart';

class StockInEmpty extends StatefulWidget {
  const StockInEmpty({super.key});
  @override
  State<StockInEmpty> createState() => _StockInEmptyPageState();
}

/// 空托入库界面
class _StockInEmptyPageState extends State<StockInEmpty> {

  final _vehicleTextController = TextEditingController(); // 载具号输入框

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        iconTheme: const IconThemeData(
            color: Colors.white
        ),
        leading: IconButton(onPressed: () {
          Navigator.of(context).pop();
        }, icon: const Icon(Icons.arrow_back)),
        centerTitle: true,
        backgroundColor: ColorCommon.colorScheme,
        title: const Text(
          "空载具入库",
          style: TextStyle(
              color: Colors.white
          ),
        ),
      ),
      body: Center(
        child: Padding(padding: const EdgeInsets.only(
          top: 5,
          left: 10,
          right: 10,
        ), child: ListView(
          children: [
            BrnTextInputFormItem(
                controller: _vehicleTextController,
                title: "载具号：", hint: "请扫描或输入"
            ),
            Padding(padding: const EdgeInsets.only(
                top: 5
            ), child: ElevatedButton(
                onPressed: emptyIn,
                style: ButtonStyle(
                  backgroundColor: WidgetStateProperty.all(ColorCommon.colorScheme),
                ),
                child: const Text(
                  "空载具入库",
                  style: TextStyle(
                      color: Colors.white
                  ))
            ))
          ],
        )),
      ),
    );
  }

  /// 空托入库方法
  void emptyIn() {
    String vehicleNo = _vehicleTextController.text.trim();
    if(vehicleNo == "" ) {
      DialogUtils.showWarningMessage(context, "请先填写载具号", "", btnLabel: "返回填写");
      return;
    }
    BrnLoadingDialog.show(context, content: "正在请求", barrierDismissible: false);
    WmsApiClient.emptyVehicleIn(vehicleNo).then((response) {
      if(response["code"] != 200) {
        var thisContext = context;
        if(thisContext.mounted) {
          DialogUtils.showWarningMessage(thisContext, "警告", "服务器请求失败", btnLabel: "我知道了");
        }
        return;
      }
      final data = Map<String, dynamic>.from(jsonDecode(response["data"]));
      if(data["code"] == 200) {
        // 请求成功
        var thisContext = context;
        if(thisContext.mounted) {
          DialogUtils.showSuccessMessage(thisContext, "成功", "", btnLabel: "我知道了");
          _vehicleTextController.text = "";
        }
        return;
      }
      var thisContext = context;
      if(thisContext.mounted) {
        DialogUtils.showWarningMessage(thisContext, "警告", "服务器返回失败：${data["message"]}", btnLabel: "我知道了");
      }
      return;
    }).catchError((err){
      var thisContext = context;
      if(thisContext.mounted) {
        DialogUtils.showErrorMessage(thisContext, "请求发生错误", "请求服务器发生错误：${err.toString()}", btnLabel: "我知道了");
      }
      return;
    }).whenComplete((){
      var thisContext = context;
      if(thisContext.mounted) {
        BrnLoadingDialog.dismiss(thisContext);
      }
    });
  }

}