<?php

namespace App\Filament\Tenant\Resources;

use App\Filament\Tenant\Resources\WorkOrderResource\Pages;
use App\Filament\Tenant\Resources\WorkOrderResource\RelationManagers;
use App\Models\Tenant\Client;
use App\Models\Tenant\User;
use App\Models\Tenant\Vehicle;
use App\Models\Tenant\WorkOrder;
use App\Tenancy\TenantManager;
use Filament\Actions;
use Filament\Forms;
use Filament\Resources\Resource;
use Filament\Schemas;
use Filament\Schemas\Components\Utilities\Get;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Table;

class WorkOrderResource extends Resource
{
    protected static ?string $model = WorkOrder::class;

    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-wrench-screwdriver';

    protected static ?string $navigationLabel = 'Fișe lucru';

    protected static string|\UnitEnum|null $navigationGroup = 'Service';

    protected static ?string $modelLabel = 'fișă';

    protected static ?string $pluralModelLabel = 'fișe lucru';

    protected static ?int $navigationSort = 30;

    public static function getGloballySearchableAttributes(): array
    {
        return ['number', 'complaint', 'diagnosis', 'vehicle.plate', 'vehicle.vin', 'client.name', 'client.phone'];
    }

    public static function getGlobalSearchResultTitle(\Illuminate\Database\Eloquent\Model $record): string
    {
        return '#' . ($record->number ?? $record->id) . ' · ' . ($record->vehicle?->plate ?? '?');
    }

    public static function getGlobalSearchResultDetails(\Illuminate\Database\Eloquent\Model $record): array
    {
        return [
            'Client' => $record->client?->name ?? '—',
            'Status' => $record->status,
            'Total' => number_format((float) $record->total, 2),
        ];
    }

    public static function form(Schema $schema): Schema
    {
        return $schema->components([
            Schemas\Components\Section::make('Antet')
                ->columns(3)
                ->schema([
                    Forms\Components\TextInput::make('number')
                        ->label('Nr.')
                        ->disabled()
                        ->dehydrated(false)
                        ->placeholder('Generat automat'),
                    Forms\Components\DatePicker::make('opened_at')
                        ->label('Deschis')
                        ->default(today())
                        ->required(),
                    Forms\Components\Select::make('status')
                        ->options(WorkOrder::STATUSES)
                        ->default('new')
                        ->required(),
                    Forms\Components\Select::make('client_id')
                        ->label('Client')
                        ->options(fn () => Client::pluck('name', 'id'))
                        ->searchable()
                        ->live()
                        ->required(),
                    Forms\Components\Select::make('vehicle_id')
                        ->label('Auto')
                        ->options(fn (Get $get) => $get('client_id')
                            ? Vehicle::where('client_id', $get('client_id'))
                                ->get()
                                ->mapWithKeys(fn ($v) => [$v->id => "{$v->make} {$v->model} {$v->plate}"])
                                ->toArray()
                            : [])
                        ->searchable(),
                    Forms\Components\Select::make('master_id')
                        ->label('Maistru')
                        ->options(fn () => User::where('status', 'active')->pluck('name', 'id'))
                        ->searchable(),
                    Forms\Components\TextInput::make('mileage_in')->label('Km la intrare')->numeric(),
                    Forms\Components\TextInput::make('mileage_out')->label('Km la ieșire')->numeric(),
                ]),
            Schemas\Components\Section::make('Diagnostic')
                ->collapsible()
                ->schema([
                    Forms\Components\Textarea::make('complaint')->label('Plângere client')->rows(2)->columnSpanFull(),
                    Forms\Components\Textarea::make('diagnosis')->label('Diagnostic')->rows(3)->columnSpanFull(),
                    Forms\Components\Textarea::make('recommendations')->label('Recomandări')->rows(2)->columnSpanFull(),
                ]),
            Schemas\Components\Section::make('Foto')
                ->collapsible()
                ->schema([
                    \Filament\Forms\Components\SpatieMediaLibraryFileUpload::make('photos')
                        ->label('Fotografii')
                        ->collection('photos')
                        ->multiple()
                        ->reorderable()
                        ->image()
                        ->imageEditor()
                        ->maxFiles(20)
                        ->columnSpanFull(),
                ]),
            Schemas\Components\Section::make('Tracking & ETA')
                ->columns(3)
                ->collapsible()
                ->schema([
                    Forms\Components\DateTimePicker::make('eta_at')
                        ->label('Gata estimat (ETA)')
                        ->seconds(false),
                    Forms\Components\TextInput::make('tracking_token')
                        ->label('Token public')
                        ->disabled()
                        ->dehydrated(false)
                        ->columnSpan(2)
                        ->helperText(fn (?WorkOrder $record) => $record?->tracking_token
                            ? 'Link client: ' . $record->trackingUrl()
                            : 'Se generează la salvare'),
                ]),
            Schemas\Components\Section::make('Plată & total')
                ->columns(3)
                ->schema([
                    Forms\Components\Select::make('pay_status')
                        ->options(WorkOrder::PAY_STATUSES)
                        ->default('unpaid')
                        ->required(),
                    Forms\Components\TextInput::make('discount_pct')->label('Discount %')->numeric()->default(0),
                    Forms\Components\TextInput::make('total')->label('Total')->numeric()->disabled()->dehydrated(false),
                    Forms\Components\Toggle::make('approved')->label('Aprobat de client'),
                    Forms\Components\DatePicker::make('closed_at')->label('Închis'),
                ]),
        ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('number')->label('Nr.')->searchable()->sortable(),
                Tables\Columns\TextColumn::make('opened_at')->label('Deschis')->date('d.m.Y')->sortable(),
                Tables\Columns\TextColumn::make('client.name')->label('Client')->searchable(),
                Tables\Columns\TextColumn::make('vehicle.plate')->label('Auto')->placeholder('—'),
                Tables\Columns\TextColumn::make('master.name')->label('Maistru')->placeholder('—'),
                Tables\Columns\TextColumn::make('status')
                    ->formatStateUsing(fn ($state) => WorkOrder::STATUSES[$state] ?? $state)
                    ->badge()
                    ->colors([
                        'gray' => ['new'],
                        'info' => ['diagnosis', 'agreement', 'approved'],
                        'warning' => ['in_work', 'awaiting_parts'],
                        'success' => ['ready', 'done'],
                        'danger' => ['cancelled'],
                    ]),
                Tables\Columns\TextColumn::make('pay_status')
                    ->formatStateUsing(fn ($state) => WorkOrder::PAY_STATUSES[$state] ?? $state)
                    ->badge()
                    ->colors([
                        'danger' => ['unpaid'],
                        'warning' => ['partial'],
                        'success' => ['paid'],
                    ]),
                Tables\Columns\TextColumn::make('total')->money('MDL')->alignRight()->sortable(),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('status')->options(WorkOrder::STATUSES),
                Tables\Filters\SelectFilter::make('pay_status')->options(WorkOrder::PAY_STATUSES),
                Tables\Filters\SelectFilter::make('master_id')
                    ->label('Maistru')
                    ->options(fn () => User::pluck('name', 'id')),
            ])
            ->actions([
                Actions\Action::make('pdf')
                    ->label('PDF')
                    ->icon('heroicon-m-document-arrow-down')
                    ->color('gray')
                    ->action(function (WorkOrder $r) {
                        $svc = app(\App\Services\WorkOrderPdfService::class);
                        $pdf = $svc->generate($r);
                        $filename = $svc->filename($r);
                        return response()->streamDownload(
                            fn () => print($pdf->output()),
                            $filename
                        );
                    }),
                Actions\EditAction::make(),
                Actions\DeleteAction::make(),
            ])
            ->emptyStateHeading('Nicio fișă de lucru')
            ->emptyStateDescription('Crează prima fișă pentru o mașină existentă. Adaugă manopere, piese, plăți — totalul se calculează automat.')
            ->emptyStateIcon('heroicon-o-wrench-screwdriver')
            ->defaultSort('opened_at', 'desc');
    }

    public static function getRelations(): array
    {
        return [
            RelationManagers\WorksRelationManager::class,
            RelationManagers\PartsRelationManager::class,
            RelationManagers\PaymentsRelationManager::class,
        ];
    }

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