import 'dart:collection';

import 'package:aitrainer_app/bloc/exercise_execute_plan/exercise_execute_plan_bloc.dart';
import 'package:aitrainer_app/bloc/exercise_execute_plan_add/exercise_execute_plan_add_bloc.dart';
import 'package:aitrainer_app/localization/app_language.dart';
import 'package:aitrainer_app/model/workout_menu_tree.dart';
import 'package:aitrainer_app/repository/exercise_repository.dart';
import 'package:aitrainer_app/util/trans.dart';
import 'package:aitrainer_app/widgets/app_bar.dart';
import 'package:aitrainer_app/widgets/splash.dart';
import 'package:aitrainer_app/library/numberpicker.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_form_bloc/flutter_form_bloc.dart';

class ExerciseExecutePlanAddPage extends StatefulWidget {
  _ExerciseExecuteAddPage createState() => _ExerciseExecuteAddPage();
}

class _ExerciseExecuteAddPage extends State<ExerciseExecutePlanAddPage> with Trans {
  @override
  Widget build(BuildContext context) {
    LinkedHashMap arguments = ModalRoute.of(context).settings.arguments;
    // ignore: close_sinks
    final ExerciseExecutePlanBloc planBloc = arguments['blocExerciseByPlan'];
    final int customerId = arguments['customerId'];
    final WorkoutMenuTree workoutTree = arguments['workoutTree'];
    final ExerciseRepository exerciseRepository = ExerciseRepository();
    setContext(context);

    return BlocProvider(
        create: (context) => ExerciseExecutePlanAddBloc(
            exerciseRepository: exerciseRepository,
            exercisePlanRepository: planBloc.exercisePlanRepository,
            customerId: customerId,
            workoutTree: workoutTree,
            planBloc: planBloc),
        child: BlocConsumer<ExerciseExecutePlanAddBloc, ExerciseExecutePlanAddState>(listener: (context, state) {
          if (state is ExerciseExecutePlanAddError) {
            Scaffold.of(context).showSnackBar(
                SnackBar(backgroundColor: Colors.orange, content: Text(state.message, style: TextStyle(color: Colors.white))));
          } else if (state is ExerciseExecutePlanAddLoading) {
            return LoadingDialog();
          }
        }, builder: (context, state) {
          // ignore: close_sinks
          final exerciseBloc = BlocProvider.of<ExerciseExecutePlanAddBloc>(context);
          if (state is ExerciseExecutePlanAddLoading) {
            return LoadingDialog();
          } else if (state is ExerciseExecutePlanAddReady) {
            return getControlForm(exerciseBloc);
          } else {
            return getControlForm(exerciseBloc);
          }
        }));
  }

  Form getControlForm(ExerciseExecutePlanAddBloc exerciseBloc) {
    String exerciseName = AppLanguage().appLocal == Locale("en")
        ? exerciseBloc.exerciseRepository.exerciseType.name
        : exerciseBloc.exerciseRepository.exerciseType.nameTranslation;

    return Form(
      child: Scaffold(
        resizeToAvoidBottomInset: true,
        appBar: AppBarNav(depth: 1),
        body: Container(
            width: MediaQuery.of(context).size.width,
            height: MediaQuery.of(context).size.height,
            decoration: BoxDecoration(
              image: DecorationImage(
                image: AssetImage('asset/image/WT_light_background.png'),
                fit: BoxFit.fill,
                alignment: Alignment.center,
              ),
            ),
            child: Container(
                padding: const EdgeInsets.only(top: 25, left: 25, right: 25),
                child: SingleChildScrollView(
                  scrollDirection: Axis.vertical,
                  physics: BouncingScrollPhysics(),
                  controller: ScrollController(
                    initialScrollOffset: exerciseBloc.scrollOffset,
                  ),
                  child: Column(mainAxisAlignment: MainAxisAlignment.spaceAround, children: <Widget>[
                    Text(t("Save Exercise")),
                    Text(
                      exerciseName,
                      style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18, color: Colors.deepOrange),
                      overflow: TextOverflow.fade,
                      maxLines: 1,
                      softWrap: true,
                    ),
                    Divider(
                      color: Colors.transparent,
                    ),
                    Divider(),
                    Column(
                      children: repeatExercises(exerciseBloc),
                    ),
                    Divider(),
                  ]),
                ))),
      ),
    );
  }

  List<Column> repeatExercises(ExerciseExecutePlanAddBloc exerciseBloc) {
    List<Column> listColumns = List<Column>();
    for (int i = 0; i < exerciseBloc.countSteps; i++) {
      Column col = Column(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Divider(
            color: Colors.transparent,
          ),
          Row(
            mainAxisAlignment: MainAxisAlignment.start,
            crossAxisAlignment: CrossAxisAlignment.baseline,
            children: [
              Text(
                t("Execute the") + " ",
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
              Text(
                (i + 1).toString() + ". ",
                style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
              ),
              Text(
                t("set!"),
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
            ],
          ),
          Divider(
            color: Colors.transparent,
          ),
          Text(t("Please repeat with") +
              " " +
              exerciseBloc.unitQuantity.toStringAsFixed(0) +
              " " +
              exerciseBloc.exerciseRepository.exerciseType.unitQuantityUnit +
              " " +
              exerciseBloc.exercisePlanRepository.getActualPlanDetail().repeats.toString() +
              " " +
              t("times!")),
          Row(children: [
            NumberPicker.horizontal(
              highlightSelectedValue: (i + 1) == exerciseBloc.step,
              initialValue: exerciseBloc.unitQuantity.toInt(),
              minValue: 0,
              maxValue: 650,
              step: 1,
              textStyle: TextStyle(fontWeight: FontWeight.bold),
              textStyleHighlighted: TextStyle(fontSize: 24, color: Colors.indigo, fontWeight: FontWeight.bold),
              onChanged: (value) => {exerciseBloc.add(ExerciseExecutePlanAddChangeUnitQuantity(quantity: value.toDouble()))},
              listViewHeight: 80,
              //decoration: _decoration,
            ),
            Text(exerciseBloc.exerciseRepository.exerciseType.unitQuantityUnit),
          ]),
          Row(children: [
            NumberPicker.horizontal(
              highlightSelectedValue: (i + 1) == exerciseBloc.step,
              initialValue: exerciseBloc.quantity.toInt(),
              minValue: 0,
              maxValue: 200,
              step: 1,
              textStyle: TextStyle(fontWeight: FontWeight.bold),
              textStyleHighlighted: TextStyle(fontSize: 24, color: Colors.deepOrange, fontWeight: FontWeight.bold),
              onChanged: (value) => {exerciseBloc.add(ExerciseExecutePlanAddChangeQuantity(quantity: value.toDouble()))},
              listViewHeight: 80,
              //decoration: _decoration,
            ),
            Text(t("repeat")),
          ]),
          RaisedButton(
              padding: EdgeInsets.all(0),
              textColor: Colors.white,
              color: exerciseBloc.step == i + 1 ? Colors.blue : Colors.black26,
              focusColor: Colors.blueAccent,
              onPressed: () => {
                    if (exerciseBloc.step == i + 1) {exerciseBloc.add(ExerciseExecutePlanAddSubmit())},
                    if (i + 1 == exerciseBloc.countSteps) {Navigator.of(context).pop()}
                  },
              child: Text(
                t("Save"),
                style: TextStyle(fontSize: 12),
              )),
          Divider(),
        ],
      );
      listColumns.add(col);
    }
    return listColumns;
  }
}