<?php

namespace App\Filament\Resources;

use Filament\Forms;
use Filament\Tables;
use Filament\Resources\Form;
use Filament\Resources\Table;
use Illuminate\Support\Carbon;
use Filament\Resources\Resource;
use Filament\Forms\Components\Hidden;
use App\Models\EmploymentAnnouncement;
use Filament\Forms\Components\FileUpload;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use App\Filament\Resources\EmploymentAnnouncementResource\Pages;
use App\Filament\Resources\EmploymentAnnouncementResource\RelationManagers;

class EmploymentAnnouncementResource extends Resource
{
    protected static ?string $model = EmploymentAnnouncement::class;

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

    protected static ?string $navigationGroup = 'Jobs';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Group::make()
                    ->schema([
                        Forms\Components\Card::make()
                            ->schema([
                                Forms\Components\TextInput::make('title')
                                    ->required()->columnSpan('full'),

                                Forms\Components\DatePicker::make('date')
                                    ->default(Carbon::now())
                                    ->required()
                                    ->columnSpan('full'),
                            ])
                            ->columns(2),

                        Forms\Components\Section::make('File')
                            ->schema([
                                FileUpload::make('file_name')
                                    ->required()
                                    ->directory('jobs')
                                    ->visibility('public')
                                    ->acceptedFileTypes(['application/pdf', 'application/msword'])
                                    ->minSize(1)
                                    ->maxSize(4096)
                                    ->label('Choose a file')
                            ])
                            ->collapsible(),
                    ])
                    ->columnSpan(['lg' => fn (?EmploymentAnnouncement $record) => $record === null ? 3 : 2]),

                Forms\Components\Card::make()
                    ->schema([
                        Forms\Components\Placeholder::make('author_id')
                            ->label('Author')
                            ->content(fn (EmploymentAnnouncement $record): ?string => $record->user->name ?? 'N/A'),

                        Forms\Components\Placeholder::make('created_at')
                            ->label('Created at')
                            ->content(fn (EmploymentAnnouncement $record): ?string => $record->created_at?->diffForHumans()),

                        Forms\Components\Placeholder::make('updated_at')
                            ->label('Last modified at')
                            ->content(fn (EmploymentAnnouncement $record): ?string => $record->updated_at?->diffForHumans()),
                    ])
                    ->columnSpan(['lg' => 1])
                    ->hidden(fn (?EmploymentAnnouncement $record) => $record === null)
            ])->columns(3);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('title')
                    ->searchable()
                    ->sortable(),
                Tables\Columns\TextColumn::make('date')->date()->sortable(),
            ])
            ->filters([
                Tables\Filters\Filter::make('created_at')
                    ->form([
                        Forms\Components\DatePicker::make('created_from')
                            ->placeholder(fn ($state): string => now()->subYear()->format('d/m/Y')),
                        Forms\Components\DatePicker::make('created_until')
                            ->placeholder(fn ($state): string => now()->format('d/m/Y')),
                    ])
                    ->query(function (Builder $query, array $data): Builder {
                        return $query
                            ->when(
                                $data['created_from'] ?? null,
                                fn (Builder $query, $date): Builder => $query->whereDate('created_at', '>=', $date),
                            )
                            ->when(
                                $data['created_until'] ?? null,
                                fn (Builder $query, $date): Builder => $query->whereDate('created_at', '<=', $date),
                            );
                    })
                    ->indicateUsing(function (array $data): array {
                        $indicators = [];
                        if ($data['created_from'] ?? null) {
                            $indicators['created_from'] = 'Created from ' . Carbon::parse($data['created_from'])->toFormattedDateString();
                        }
                        if ($data['created_until'] ?? null) {
                            $indicators['created_until'] = 'Created until ' . Carbon::parse($data['created_until'])->toFormattedDateString();
                        }

                        return $indicators;
                    }),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\DeleteAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\DeleteBulkAction::make(),
            ]);
    }

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

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

    public static function getGloballySearchableAttributes(): array
    {
        return ['title'];
    }
}