<?php

namespace App\Filament\Resources;

use App\Filament\Resources\AssessmentResource\Pages;
use App\Filament\Resources\AssessmentResource\RelationManagers;
use App\Models\Assessment;
use App\Models\AssessmentComponent;
use App\Models\ClassStudent;
use App\Models\Student;
use App\Models\TeacherSubject;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;

class AssessmentResource extends Resource
{
    protected static ?string $model = Assessment::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';

    protected static ?string $navigationGroup = 'Academic Management';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Select::make('teacher_subject_id')
                    ->label('Teacher Subject')
                    ->required()
                    ->relationship('teacherSubject', 'id')
                    ->getOptionLabelFromRecordUsing(fn (TeacherSubject $record) =>
                        $record->teacher->name . ' - ' . $record->subject->name . ' - ' . $record->class->class_name . ' - ' . $record->academicYear->name)
                    ->searchable()
                    ->preload()
                    ->afterStateUpdated(function (callable $set, $state) {
                        if ($state) {
                            $teacherSubject = TeacherSubject::find($state);
                            if ($teacherSubject) {
                                $set('student_id', null);
                            }
                        }
                    })
                    ->required(),

                Forms\Components\Select::make('student_id')
                    ->label('Student')
                    ->required()
                    ->searchable()
                    ->options(function ($get) {
                        $teacherSubjectId = $get('teacher_subject_id');
                        if ($teacherSubjectId) {
                            $teacherSubject = TeacherSubject::find($teacherSubjectId);
                            $students = ClassStudent::where('class_room_id', $teacherSubject->class_id)
                                ->where('academic_year_id', $teacherSubject->academic_year_id)
                                ->with('student')
                                ->get()
                                ->pluck('student.full_name', 'id')
                                ->toArray();

                            return $students;
                        }
                        return [];
                    })
                    ->getOptionLabelUsing(function ($value) {
                        $student = Student::find($value);
                        return $student ? $student->full_name . ' (' . $student->nis . ')' : null;
                    }),

                Forms\Components\Select::make('semester')
                    ->label('Semester')
                    ->required()
                    ->options([
                        'first' => 'First Semester',
                        'second' => 'Second Semester'
                    ]),

                Forms\Components\TextInput::make('score')
                    ->label('Score')
                    ->numeric()
                    ->required()
                    ->minValue(0)
                    ->maxValue(100),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('student.full_name')
                    ->label('Student')
                    ->searchable()
                    ->sortable(),

                Tables\Columns\TextColumn::make('teacherSubject.class.class_name')
                    ->label('Class')
                    ->searchable(),

                Tables\Columns\TextColumn::make('teacherSubject.subject.name')
                    ->label('Subject')
                    ->searchable(),

                Tables\Columns\TextColumn::make('teacherSubject.teacher.name')
                    ->label('Teacher')
                    ->searchable(),
                Tables\Columns\TextColumn::make('score')
                    ->numeric()
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('updated_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->emptyStateActions([
                Tables\Actions\CreateAction::make(),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            //
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListAssessments::route('/'),
            'create' => Pages\CreateAssessment::route('/create'),
            'edit' => Pages\EditAssessment::route('/{record}/edit'),
            'multiple' => Pages\MultipleAssessments::route('/multiple'),
        ];
    }
}