import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';

import 'package:diplomaticquarterapp/core/model/labs/patient_lab_orders.dart';
import 'package:diplomaticquarterapp/core/viewModels/medical/labs_view_model.dart';
import 'package:diplomaticquarterapp/core/viewModels/project_view_model.dart';
import 'package:diplomaticquarterapp/pages/base/base_view.dart';
import 'package:diplomaticquarterapp/uitl/app_toast.dart';
import 'package:diplomaticquarterapp/uitl/gif_loader_dialog_utils.dart';
import 'package:diplomaticquarterapp/uitl/translations_delegate_base.dart';
import 'package:diplomaticquarterapp/widgets/buttons/defaultButton.dart';
import 'package:diplomaticquarterapp/uitl/utils.dart';
import 'package:diplomaticquarterapp/widgets/data_display/medical/LabResult/laboratory_result_widget.dart';
import 'package:diplomaticquarterapp/widgets/others/app_scaffold_widget.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:open_filex/open_filex.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';

class LaboratoryResultPage extends StatefulWidget {
  final PatientLabOrders patientLabOrders;

  LaboratoryResultPage({Key key, this.patientLabOrders});

  @override
  _LaboratoryResultPageState createState() => _LaboratoryResultPageState();
}

class _LaboratoryResultPageState extends State<LaboratoryResultPage> {
  @override
  Widget build(BuildContext context) {
    ProjectViewModel projectViewModel = Provider.of(context);
    return BaseView<LabsViewModel>(
      onModelReady: (model) => model.getLaboratoryResult(
        invoiceNo: widget.patientLabOrders.invoiceNo,
        invoiceType: widget.patientLabOrders.invoiceType,
        clinicID: widget.patientLabOrders.clinicID,
        projectID: widget.patientLabOrders.projectID,
        orderNo: widget.patientLabOrders.orderNo,
        setupID: widget.patientLabOrders.setupID,
        isVidaPlus: Utils.isVidaPlusProject(projectViewModel, num.parse(widget.patientLabOrders.projectID)),
      ),
      builder: (_, model, w) => AppScaffold(
        isShowAppBar: true,
        appBarTitle: widget.patientLabOrders.doctorName,
        baseViewModel: model,
        showNewAppBar: true,
        showNewAppBarTitle: true,
        backgroundColor: Color(0xffF8F8F8),
        body: SingleChildScrollView(
          child: Column(
            children: [
              ListView.builder(
                physics: BouncingScrollPhysics(),
                shrinkWrap: true,
                padding: EdgeInsets.only(bottom: 12),
                itemBuilder: (context, index) => LaboratoryResultWidget(
                  onTap: () async {
                    GifLoaderDialogUtils.showMyDialog(context);
                    await model.sendLabReportEmail(patientLabOrder: widget.patientLabOrders, mes: TranslationBase.of(context).sendSuc, userObj: projectViewModel.user, isVidaPlus: Utils.isVidaPlusProject(projectViewModel, num.parse(widget.patientLabOrders.projectID)));
                    GifLoaderDialogUtils.hideDialog(context);
                  },
                  billNo: widget.patientLabOrders.invoiceNo,
                  // details: model.patientLabSpecialResult[index].resultDataHTML,
                  details: model.patientLabSpecialResult.isEmpty ? null : getSpecialResults(model),
                  orderNo: widget.patientLabOrders.orderNo,
                  patientLabOrder: widget.patientLabOrders,
                ),
                itemCount: 1,
              ),
              SizedBox(
                height: 120.0,
              )
            ],
          ),
        ),
        // bottomSheet: Container(
        //   color: Colors.white,
        //   height: MediaQuery.of(context).size.height * 0.081,
        //   width: double.infinity,
        //   padding: EdgeInsets.all(12.0),
        //   child: Column(
        //     children: <Widget>[
        //       Container(
        //         width: MediaQuery.of(context).size.width * 0.9,
        //         child: DefaultButton(
        //           TranslationBase.of(context).downloadReport,
        //           () async {
        //             GifLoaderDialogUtils.showMyDialog(context);
        //             await model.sendLabReportEmail(patientLabOrder: widget.patientLabOrders, mes: TranslationBase.of(context).sendSuc, userObj: projectViewModel.user, isVidaPlus: Utils.isVidaPlusProject(projectViewModel, num.parse(widget.patientLabOrders.projectID)), isDownload: true);
        //             GifLoaderDialogUtils.hideDialog(context);
        //             try {
        //               String path = await _createFileFromString(model.labReportPDF, "pdf");
        //               OpenFilex.open(path);
        //             } catch (ex) {
        //               AppToast.showErrorToast(message: "Cannot open file.");
        //             }
        //           },
        //           textColor: Colors.white,
        //         ),
        //       ),
        //     ],
        //   ),
        // ),
      ),
    );
  }

  Future<String> _createFileFromString(String encodedStr, String ext) async {
    Uint8List bytes = base64.decode(encodedStr);
    String dir = (await getApplicationDocumentsDirectory()).path;
    File file = File("$dir/" + DateTime.now().millisecondsSinceEpoch.toString() + "." + ext);
    await file.writeAsBytes(bytes);
    return file.path;
  }

  String getSpecialResults(LabsViewModel model) {
    String labResults = "";
    model.patientLabSpecialResult.forEach((element) {
      if (element.resultDataHTML != null) {
        labResults += (element.resultDataHTML + "<br/> <br/>");
      } else {
        labResults += ("<h6>No Result Available</h6>");
      }
    });
    return labResults;
  }
}
