refilc-plus/lib/ui/mobile/goal_planner/goal_planner_screen.dart
2024-10-03 18:47:25 +02:00

453 lines
16 KiB
Dart

import 'package:refilc/api/providers/database_provider.dart';
import 'package:refilc/api/providers/user_provider.dart';
import 'package:refilc/helpers/average_helper.dart';
import 'package:refilc/helpers/subject.dart';
import 'package:refilc/models/settings.dart';
import 'package:refilc_kreta_api/models/grade.dart';
import 'package:refilc_kreta_api/models/group_average.dart';
import 'package:refilc_kreta_api/models/subject.dart';
import 'package:refilc_kreta_api/providers/grade_provider.dart';
import 'package:refilc_mobile_ui/common/average_display.dart';
import 'package:refilc_mobile_ui/common/round_border_icon.dart';
import 'package:refilc_mobile_ui/pages/grades/calculator/grade_calculator_provider.dart';
import 'package:refilc_plus/models/premium_scopes.dart';
import 'package:refilc_plus/providers/plus_provider.dart';
import 'package:refilc_plus/ui/mobile/goal_planner/goal_input.dart';
import 'package:refilc_plus/ui/mobile/goal_planner/goal_planner.dart';
import 'package:refilc_plus/ui/mobile/goal_planner/goal_planner_screen.i18n.dart';
import 'package:refilc_plus/ui/mobile/goal_planner/goal_track_popup.dart';
import 'package:refilc_plus/ui/mobile/goal_planner/route_option.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
enum PlanResult {
available, // There are possible solutions
unreachable, // The solutions are too hard don't even try
unsolvable, // There are no solutions
reached, // Goal already reached
}
class GoalPlannerScreen extends StatefulWidget {
final GradeSubject subject;
const GoalPlannerScreen({super.key, required this.subject});
@override
State<GoalPlannerScreen> createState() => _GoalPlannerScreenState();
}
class _GoalPlannerScreenState extends State<GoalPlannerScreen> {
late GradeProvider gradeProvider;
late GradeCalculatorProvider calculatorProvider;
late SettingsProvider settingsProvider;
late DatabaseProvider dbProvider;
late UserProvider user;
bool gradeCalcMode = false;
List<Grade> getSubjectGrades(GradeSubject subject) => !gradeCalcMode
? gradeProvider.grades.where((e) => e.subject == subject).toList()
: calculatorProvider.grades.where((e) => e.subject == subject).toList();
double goalValue = 4.0;
List<Grade> grades = [];
Plan? recommended;
Plan? fastest;
Plan? selectedRoute;
List<Plan> otherPlans = [];
@override
void initState() {
super.initState();
user = Provider.of<UserProvider>(context, listen: false);
dbProvider = Provider.of<DatabaseProvider>(context, listen: false);
}
Future<Map<String, String>> fetchGoalPlans() async {
return await dbProvider.userQuery.subjectGoalPlans(userId: user.id!);
}
Future<Map<String, String>> fetchGoalAverages() async {
return await dbProvider.userQuery.subjectGoalAverages(userId: user.id!);
}
// haha bees lol
Future<Map<String, String>> fetchGoalBees() async {
return await dbProvider.userQuery.subjectGoalBefores(userId: user.id!);
}
Future<Map<String, String>> fetchGoalPinDates() async {
return await dbProvider.userQuery.subjectGoalPinDates(userId: user.id!);
}
PlanResult getResult() {
final currentAvg = GoalPlannerHelper.averageEvals(grades);
recommended = null;
fastest = null;
otherPlans = [];
if (currentAvg >= goalValue) return PlanResult.reached;
final planner = GoalPlanner(goalValue, grades);
final plans = planner.solve();
plans.sort((a, b) => (a.avg - (2 * goalValue + 5) / 3)
.abs()
.compareTo(b.avg - (2 * goalValue + 5) / 3));
try {
final singleSolution = plans.every((e) => e.sigma == 0);
recommended =
plans.where((e) => singleSolution ? true : e.sigma > 0).first;
plans.removeWhere((e) => e == recommended);
} catch (_) {}
plans.sort((a, b) => a.plan.length.compareTo(b.plan.length));
try {
fastest = plans.removeAt(0);
} catch (_) {}
// print((recommended?.plan.length ?? 0).toString() + '-kuki');
// print((fastest?.plan.length ?? 0).toString() + '--asd');
if ((((recommended?.plan.length ?? 0) - (fastest?.plan.length ?? 0)) >=
5) &&
fastest != null) {
recommended = fastest;
}
if (recommended == null) {
recommended = null;
fastest = null;
otherPlans = [];
selectedRoute = null;
return PlanResult.unsolvable;
}
// print(recommended!.plan.length.toString() + '--------');
if (recommended!.plan.length > 20) {
recommended = null;
fastest = null;
otherPlans = [];
selectedRoute = null;
return PlanResult.unreachable;
}
otherPlans = List.from(plans);
// only save 2 items if not plus member
if (!Provider.of<PlusProvider>(context)
.hasScope(PremiumScopes.unlimitedGoalPlanner)) {
if (otherPlans.length > 2) {
otherPlans.removeRange(2, otherPlans.length - 1);
}
}
return PlanResult.available;
}
void getGrades() {
grades = getSubjectGrades(widget.subject).toList();
}
@override
Widget build(BuildContext context) {
gradeProvider = Provider.of<GradeProvider>(context);
calculatorProvider = Provider.of<GradeCalculatorProvider>(context);
settingsProvider = Provider.of<SettingsProvider>(context);
getGrades();
final currentAvg = GoalPlannerHelper.averageEvals(grades);
final result = getResult();
List<Grade> subjectGrades = getSubjectGrades(widget.subject);
double avg = AverageHelper.averageEvals(subjectGrades);
var nullavg = GroupAverage(average: 0.0, subject: widget.subject, uid: "0");
double groupAverage = gradeProvider.groupAverages
.firstWhere((e) => e.subject == widget.subject, orElse: () => nullavg)
.average;
return Scaffold(
body: SafeArea(
child: ListView(
padding: const EdgeInsets.only(
top: 5.0,
bottom: 220.0,
right: 15.0,
left: 2.0,
),
children: [
// Row(
// mainAxisAlignment: MainAxisAlignment.spaceBetween,
// children: [
// const BackButton(),
// Padding(
// padding: const EdgeInsets.only(right: 15.0),
// child: Row(
// children: [
// Text(
// 'goal_planner_title'.i18n,
// style: const TextStyle(
// fontWeight: FontWeight.w500, fontSize: 18.0),
// ),
// const SizedBox(
// width: 5,
// ),
// const BetaChip(),
// ],
// ),
// ),
// ],
// ),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Row(
children: [
const BackButton(),
BackButton(
color: Colors.red,
onPressed: () =>
GoalTrackPopup.show(context, subject: widget.subject),
),
RoundBorderIcon(
icon: Icon(
SubjectIcon.resolveVariant(
context: context,
subject: widget.subject,
),
size: 18,
weight: 1.5,
),
),
const SizedBox(
width: 5.0,
),
Text(
(widget.subject.isRenamed
? widget.subject.renamedTo
: widget.subject.name) ??
'goal_planner_title'.i18n,
style: const TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.w700,
),
),
],
),
Row(
children: [
if (groupAverage != 0)
AverageDisplay(average: groupAverage, border: true),
const SizedBox(width: 6.0),
AverageDisplay(average: avg),
],
),
],
),
const SizedBox(height: 12.0),
Padding(
padding: const EdgeInsets.only(left: 22.0, right: 22.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
"set_a_goal".i18n,
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 20.0,
),
),
const SizedBox(height: 4.0),
Text(
goalValue.toString(),
style: TextStyle(
fontWeight: FontWeight.w900,
fontSize: 48.0,
color: gradeColor(goalValue.round(), settingsProvider),
),
),
// Column(
// mainAxisAlignment: MainAxisAlignment.center,
// children: [
// Text(
// "select_subject".i18n,
// style: const TextStyle(
// fontWeight: FontWeight.bold,
// fontSize: 20.0,
// ),
// ),
// const SizedBox(height: 4.0),
// Column(
// children: [
// Icon(
// SubjectIcon.resolveVariant(
// context: context,
// subject: widget.subject,
// ),
// size: 48.0,
// ),
// Text(
// (widget.subject.isRenamed
// ? widget.subject.renamedTo
// : widget.subject.name) ??
// '',
// style: const TextStyle(
// fontSize: 17.0,
// fontWeight: FontWeight.w500,
// ),
// )
// ],
// )
// ],
// )
const SizedBox(height: 24.0),
Text(
"pick_route".i18n,
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 20.0,
),
),
const SizedBox(height: 12.0),
if (recommended != null)
RouteOption(
plan: recommended!,
mark: RouteMark.recommended,
selected: selectedRoute == recommended!,
onSelected: () => setState(() {
selectedRoute = recommended;
}),
),
if (fastest != null && fastest != recommended)
RouteOption(
plan: fastest!,
mark: RouteMark.fastest,
selected: selectedRoute == fastest!,
onSelected: () => setState(() {
selectedRoute = fastest;
}),
),
...otherPlans.map((e) => RouteOption(
plan: e,
selected: selectedRoute == e,
onSelected: () => setState(() {
selectedRoute = e;
}),
)),
if (result != PlanResult.available) Text(result.name.i18n),
],
),
),
],
),
),
bottomSheet: MediaQuery.removePadding(
context: context,
removeBottom: false,
removeTop: true,
child: Container(
color: Theme.of(context).scaffoldBackgroundColor,
child: Container(
padding: const EdgeInsets.only(top: 24.0),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius:
const BorderRadius.vertical(top: Radius.circular(24.0)),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(.1),
blurRadius: 8.0,
)
]),
child: SafeArea(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 20.0),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
GoalInput(
value: goalValue,
currentAverage: currentAvg,
onChanged: (v) => setState(() {
selectedRoute = null;
goalValue = v;
}),
),
const SizedBox(height: 24.0),
SizedBox(
width: double.infinity,
child: RawMaterialButton(
onPressed: () async {
if (selectedRoute == null) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text('${"pick_route".i18n}...')));
}
final goalPlans = await fetchGoalPlans();
final goalAvgs = await fetchGoalAverages();
final goalBeforeGrades = await fetchGoalBees();
final goalPinDates = await fetchGoalPinDates();
goalPlans[widget.subject.id] =
selectedRoute!.dbString;
goalAvgs[widget.subject.id] =
goalValue.toStringAsFixed(2);
goalBeforeGrades[widget.subject.id] =
avg.toStringAsFixed(2);
goalPinDates[widget.subject.id] =
DateTime.now().toIso8601String();
// goalPlans[widget.subject.id] = '1,2,3,4,5,';
// goalAvgs[widget.subject.id] = '3.69';
// goalBeforeGrades[widget.subject.id] = '3.69';
// goalPinDates[widget.subject.id] =
// DateTime.now().toIso8601String();
await dbProvider.userStore.storeSubjectGoalPlans(
goalPlans,
userId: user.id!);
await dbProvider.userStore.storeSubjectGoalAverages(
goalAvgs,
userId: user.id!);
await dbProvider.userStore.storeSubjectGoalBefores(
goalBeforeGrades,
userId: user.id!);
await dbProvider.userStore.storeSubjectGoalPinDates(
goalPinDates,
userId: user.id!);
// ignore: use_build_context_synchronously
Navigator.of(context).pop();
},
fillColor: Theme.of(context).colorScheme.secondary,
shape: const StadiumBorder(),
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: Text(
"track_it".i18n,
style: const TextStyle(
color: Colors.white,
fontSize: 20.0,
fontWeight: FontWeight.w600,
),
),
),
)
],
),
),
),
),
),
),
);
}
}