<?php

namespace App\Filament\Resources;

use App\Filament\Resources\EmotionResource\Pages;
use App\Models\Emotion;
use Filament\Schemas\Schema as Schema;
use Filament\Schemas\Components as SC;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;

class EmotionResource extends Resource
{
    protected static ?string $model = Emotion::class;
    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-face-smile';
    protected static string|\UnitEnum|null $navigationGroup = 'Library';
    protected static ?int $navigationSort = 10;

    public static function form(Schema $schema): Schema
    {
        return $schema->components([
            SC\KeyValue::make('name')->label('Name (de/en)')->keyLabel('locale')->valueLabel('value')->default(['de' => '', 'en' => ''])->required(),
            SC\TextInput::make('icon')->label('Icon/Emoji')->maxLength(50),
            SC\TextInput::make('color')->maxLength(7)->helperText('#RRGGBB'),
            SC\KeyValue::make('description')->label('Description (de/en)')->keyLabel('locale')->valueLabel('value'),
            SC\TextInput::make('sort_order')->numeric()->default(0),
            SC\Toggle::make('is_active')->default(true),
            SC\Select::make('eventTypes')
                ->label('Event Types')
                ->multiple()
                ->searchable()
                ->preload()
                ->relationship('eventTypes', 'name'),
        ])->columns(2);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')->sortable(),
                Tables\Columns\TextColumn::make('name')->searchable(),
                Tables\Columns\TextColumn::make('icon'),
                Tables\Columns\TextColumn::make('color'),
                Tables\Columns\IconColumn::make('is_active')->boolean(),
                Tables\Columns\TextColumn::make('sort_order')->sortable(),
            ])
            ->filters([])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ManageEmotions::route('/'),
            'import' => Pages\ImportEmotions::route('/import'),
        ];
    }
}

namespace App\Filament\Resources\EmotionResource\Pages;

use App\Filament\Resources\EmotionResource;
use Filament\Resources\Pages\ManageRecords;
use Filament\Actions;
use Filament\Resources\Pages\Page;
use Filament\Forms;
use Filament\Notifications\Notification;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\DB;

class ManageEmotions extends ManageRecords
{
    protected static string $resource = EmotionResource::class;

    protected function getHeaderActions(): array
    {
        return [
            Actions\Action::make('import')
                ->label('Import CSV')
                ->icon('heroicon-o-arrow-up-tray')
                ->url(EmotionResource::getUrl('import')),
            Actions\Action::make('template')
                ->label('Download CSV Template')
                ->icon('heroicon-o-document-arrow-down')
                ->url(url('/super-admin/templates/emotions.csv')),
        ];
    }
}

class ImportEmotions extends Page
{
    protected static string $resource = EmotionResource::class;
    protected string $view = 'filament.pages.blank';
    protected ?string $heading = 'Import Emotions (CSV)';

    public ?string $file = null;

    protected function getFormSchema(): array
    {
        return [
            Forms\Components\FileUpload::make('file')
                ->label('CSV file')
                ->acceptedFileTypes(['text/csv', 'text/plain'])
                ->directory('imports')
                ->required(),
        ];
    }

    protected function getFormActions(): array
    {
        return [
            Forms\Components\Actions\Action::make('import')
                ->label('Import')
                ->action('doImport')
                ->color('primary')
        ];
    }

    public function doImport(): void
    {
        $state = $this->form->getState();
        $path = $state['file'] ?? null;
        if (! $path || ! Storage::disk('public')->exists($path)) {
            Notification::make()->danger()->title('File not found')->send();
            return;
        }
        $full = Storage::disk('public')->path($path);
        [$ok, $fail] = $this->importEmotionsCsv($full);
        Notification::make()->success()->title("Imported {$ok} rows")->body($fail ? "{$fail} failed" : null)->send();
    }

    private function importEmotionsCsv(string $file): array
    {
        $h = fopen($file, 'r');
        if (! $h) return [0,0];
        $ok = 0; $fail = 0;
        // Expected headers: name_de,name_en,icon,color,description_de,description_en,sort_order,is_active,event_types
        $headers = fgetcsv($h, 0, ',');
        if (! $headers) return [0,0];
        $map = array_flip($headers);
        while (($row = fgetcsv($h, 0, ',')) !== false) {
            try {
                $nameDe = trim($row[$map['name_de']] ?? '');
                $nameEn = trim($row[$map['name_en']] ?? '');
                $name = $nameDe ?: $nameEn;
                if ($name === '') { $fail++; continue; }
                $data = [
                    'name' => ['de' => $nameDe, 'en' => $nameEn],
                    'icon' => $row[$map['icon']] ?? null,
                    'color' => $row[$map['color']] ?? null,
                    'description' => [
                        'de' => $row[$map['description_de']] ?? null,
                        'en' => $row[$map['description_en']] ?? null,
                    ],
                    'sort_order' => (int)($row[$map['sort_order']] ?? 0),
                    'is_active' => (int)($row[$map['is_active']] ?? 1) ? 1 : 0,
                ];
                $id = DB::table('emotions')->insertGetId(array_merge($data, [
                    'created_at' => now(), 'updated_at' => now(),
                ]));
                // Attach event types if provided (by slug list separated by '|')
                $et = $row[$map['event_types']] ?? '';
                if ($et) {
                    $slugs = array_filter(array_map('trim', explode('|', $et)));
                    if ($slugs) {
                        $ids = DB::table('event_types')->whereIn('slug', $slugs)->pluck('id')->all();
                        foreach ($ids as $eid) {
                            DB::table('emotion_event_type')->insertOrIgnore([
                                'emotion_id' => $id,
                                'event_type_id' => $eid,
                            ]);
                        }
                    }
                }
                $ok++;
            } catch (\Throwable $e) {
                $fail++;
            }
        }
        fclose($h);
        return [$ok, $fail];
    }
}