<?php

namespace App\Filament\Resources;

use App\Filament\Resources\AssessmentComponentResource\Pages;
use App\Models\AssessmentComponent;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Support\Str;

class AssessmentComponentResource extends Resource
{
    protected static ?string $model = AssessmentComponent::class;

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

    protected static ?string $navigationGroup = 'Data Master';

    protected static ?int $navigationSort = 3;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Section::make('Component Information')
                    ->schema([
                        Forms\Components\TextInput::make('name')
                            ->required()
                            ->maxLength(100)
                            ->live(onBlur: true)
                            ->afterStateUpdated(function ($set, $state) {
                                $abbreviation = self::generateAbbreviation($state);
                                $set('code', $abbreviation);
                            }),

                        Forms\Components\TextInput::make('code')
                            ->required()
                            ->maxLength(50)
                            ->unique(ignoreRecord: true)
                            ->disabled()
                            ->dehydrated(),

                        Forms\Components\TextInput::make('weight')
                            ->required()
                            ->numeric()
                            ->minValue(0)
                            ->maxValue(100)
                            ->suffix('%')
                            ->helperText('Bobot dalam persentase (0-100)'),

                        Forms\Components\Toggle::make('is_active')
                            ->default(true)
                            ->inline(false)
                            ->onColor('success')
                            ->offColor('danger'),
                    ])->columns(2)
            ]);
    }

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

                Tables\Columns\TextColumn::make('code')
                    ->searchable()
                    ->sortable()
                    ->badge()
                    ->color('info'),

                Tables\Columns\TextColumn::make('weight')
                    ->numeric()
                    ->suffix('%')
                    ->sortable()
                    ->alignCenter(),

                Tables\Columns\IconColumn::make('is_active')
                    ->boolean()
                    ->sortable()
                    ->alignCenter(),

                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('is_active')
                    ->options([
                        true => 'Active',
                        false => 'Inactive',
                    ])
                    ->label('Status'),
            ])
            ->actions([
                Tables\Actions\EditAction::make()
                    ->iconButton(),
                Tables\Actions\DeleteAction::make()
                    ->iconButton(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->emptyStateActions([
                Tables\Actions\CreateAction::make(),
            ])
            ->defaultSort('weight', 'desc');
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListAssessmentComponents::route('/'),
            'create' => Pages\CreateAssessmentComponent::route('/create'),
            'edit' => Pages\EditAssessmentComponent::route('/{record}/edit'),
        ];
    }

    protected static function generateAbbreviation(string $name): string
    {
        // Pastikan nama tidak kosong
        if (empty(trim($name))) {
            return 'DFT'; // Default value jika kosong
        }

        $commonAbbreviations = [
            'ulangan harian' => 'UH',
            'penilaian tengah semester' => 'PTS',
            'penilaian akhir semester' => 'PAS',
            'tugas' => 'TGS',
            'praktikum' => 'PRK',
            'kehadiran' => 'ABS',
            'proyek' => 'PRJ',
        ];

        $lowerName = Str::lower(trim($name));

        // Cek apakah nama cocok dengan daftar singkatan umum
        if (array_key_exists($lowerName, $commonAbbreviations)) {
            return $commonAbbreviations[$lowerName];
        }

        // Logika untuk membuat singkatan dari kata pertama setiap kata
        $words = preg_split('/\s+/', $lowerName);
        $abbreviation = '';

        foreach ($words as $word) {
            // Ambil huruf pertama dari setiap kata yang tidak kosong
            if (!empty($word)) {
                $abbreviation .= strtoupper($word[0]);
            }
        }

        // Jika hasil singkatan terlalu pendek, ambil 3 huruf pertama (tanpa spasi)
        if (strlen($abbreviation) < 2) {
            $cleaned = preg_replace('/\s+/', '', $name);
            $abbreviation = strtoupper(substr($cleaned, 0, 3));
        }

        return $abbreviation ?: 'DFT'; // Fallback jika masih kosong
    }
}