import 'package:doctor_app_flutter/models/patient/progress_note_request.dart';
import 'package:doctor_app_flutter/widgets/shared/errors/dr_app_embedded_error.dart';
import 'package:doctor_app_flutter/widgets/shared/rounded_container_widget.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import '../../../config/shared_pref_kay.dart';
import '../../../config/size_config.dart';
import '../../../models/patient/patiant_info_model.dart';
import '../../../providers/patients_provider.dart';
import '../../../util/dr_app_shared_pref.dart';
import '../../../widgets/shared/app_scaffold_widget.dart';
import '../../../widgets/shared/app_texts_widget.dart';
import '../../../widgets/shared/dr_app_circular_progress_Indeicator.dart';

DrAppSharedPreferances sharedPref = new DrAppSharedPreferances();

/* 
 *@author: ibrahim albitar 
 *@Date:15/5/2020  
 *@param: 
 *@return:
 *@desc:
 */

class ProgressNoteScreen extends StatefulWidget {
  @override
  _ProgressNoteState createState() => _ProgressNoteState();
}

class _ProgressNoteState extends State<ProgressNoteScreen> {
  PatientsProvider patientsProv;
  var _isInit = true;

  /* 
 *@author: ibrahim al bitar 
 *@Date:16/5/2020  
 *@param: 
 *@return:
 *@desc:
 */
  getProgressNoteList(context) async {
    final routeArgs = ModalRoute.of(context).settings.arguments as Map;
    PatiantInformtion patient = routeArgs['patient'];
    String token = await sharedPref.getString(TOKEN);
    String type = await sharedPref.getString(SLECTED_PATIENT_TYPE);

    print(type);
    ProgressNoteRequest progressNoteRequest = ProgressNoteRequest(
        visitType: 5, // if equal 5 then this will return progress note
        admissionNo: int.parse(patient.admissionNo),
        projectID: patient.projectId,
        tokenID: token,
        patientTypeID: patient.patientType,
        languageID: 2);
    patientsProv.getPatientProgressNote(progressNoteRequest.toJson());
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    if (_isInit) {
      patientsProv = Provider.of<PatientsProvider>(context);
      getProgressNoteList(context);
    }
    _isInit = false;
  }

  @override
  Widget build(BuildContext context) {
    return AppScaffold(
      appBarTitle: "Progress Note",
      showAppDrawer: false,
      showBottomBar: false,
      body: patientsProv.isLoading
          ? DrAppCircularProgressIndeicator()
          : patientsProv.isError
              ? DrAppEmbeddedError(error: patientsProv.error)
              : patientsProv.patientProgressNoteList.length == 0
                  ? DrAppEmbeddedError(
                      error: 'You don\'t have any Progress Note')
                  : Container(
                      margin: EdgeInsets.fromLTRB(
                          SizeConfig.realScreenWidth * 0.05,
                          0,
                          SizeConfig.realScreenWidth * 0.05,
                          0),
                      child: ListView.builder(
                          itemCount:
                              patientsProv.patientProgressNoteList.length,
                          itemBuilder: (BuildContext ctxt, int index) {
                            return RoundedContainer(
                                backgroundColor: Colors.yellow[200],
                                child: Column(
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: <Widget>[
                                    AppText(
                                      patientsProv
                                              .patientProgressNoteList[index]
                                          ["DoctorName"],
                                      marginTop: 10,
                                      marginLeft: 10,
                                      marginBottom: 5,
                                      fontWeight: FontWeight.bold,
                                    ),
                                    AppText(
                                      convertDateFormat(patientsProv
                                              .patientProgressNoteList[index]
                                          ["AssessmentDate"]),
                                      marginLeft: 10,
                                      color: Colors.grey[600],
                                    ),
                                    Divider(
                                      color: Colors.black,
                                      height: 20,
                                      thickness: 1,
                                      indent: 0,
                                      endIndent: 0,
                                    ),
                                    AppText(
                                      patientsProv
                                              .patientProgressNoteList[index]
                                          ["Notes"],
                                      margin: 10,
                                    )
                                  ],
                                ));
                          }),
                    ),
    );
  }

  convertDateFormat(String str) {
    const start = "/Date(";
    const end = "+0300)";

    final startIndex = str.indexOf(start);
    final endIndex = str.indexOf(end, startIndex + start.length);

    var date = new DateTime.fromMillisecondsSinceEpoch(
        int.parse(str.substring(startIndex + start.length, endIndex)));
    String newDate = date.year.toString() +
        "-" +
        date.month.toString().padLeft(2, '0') +
        "-" +
        date.day.toString().padLeft(2, '0');

    return newDate.toString();
  }
}