<?php

namespace App\Filament\Resources;

use App\Filament\Resources\ShipmentChecklistResource\Pages;
use App\Models\ShipmentChecklist;
use App\Enums\ShipmentStatus;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;

class ShipmentChecklistResource extends Resource
{
    protected static ?string $model = ShipmentChecklist::class;
    protected static ?string $navigationIcon = 'heroicon-o-clipboard-document-check';
    protected static ?string $navigationGroup = 'مدیریت عملیات';
    protected static ?string $navigationLabel = 'چک‌لیست سفارشات';
    protected static ?string $modelLabel = 'چک‌لیست سفارش';
    protected static ?string $pluralModelLabel = 'چک‌لیست سفارشات';
    protected static ?int $navigationSort = 15;

    public static function form(Form $form): Form
    {
        return $form->schema([
            Forms\Components\Section::make('اطلاعات سفارش')
                ->schema([
                    Forms\Components\Select::make('shipment_id')
                        ->label('سفارش')
                        ->relationship('shipment', 'awb_no')
                        ->searchable()
                        ->required()
                        ->getOptionLabelFromRecordUsing(fn ($record) => "{$record->awb_no} - {$record->status->label()}"),
                    Forms\Components\Select::make('user_id')
                        ->label('کارمند')
                        ->relationship('user', 'name')
                        ->searchable()
                        ->required(),
                ])->columns(2),

            Forms\Components\Section::make('اطلاعات چک‌لیست')
                ->schema([
                    Forms\Components\Select::make('status')
                        ->label('وضعیت فعلی')
                        ->options(collect(ShipmentStatus::cases())->mapWithKeys(fn ($status) => [$status->value => $status->label()])->toArray())
                        ->required(),
                    Forms\Components\Toggle::make('is_completed')
                        ->label('تکمیل شده')
                        ->default(false),
                    Forms\Components\Textarea::make('notes')
                        ->label('یادداشت‌ها')
                        ->rows(3),
                    Forms\Components\DateTimePicker::make('completed_at')
                        ->label('زمان تکمیل')
                        ->disabled(),
                ]),
        ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')
                    ->label('شناسه')
                    ->sortable(),
                Tables\Columns\TextColumn::make('shipment.awb_no')
                    ->label('شماره سفارش')
                    ->searchable()
                    ->sortable(),
                Tables\Columns\TextColumn::make('user.name')
                    ->label('کارمند')
                    ->searchable()
                    ->sortable(),
                Tables\Columns\TextColumn::make('status')
                    ->label('وضعیت')
                    ->formatStateUsing(fn ($state) => match($state) {
                        'pending_approval' => 'در انتظار تأیید',
                        'approved' => 'تأیید شده',
                        'pending_payment' => 'در انتظار پرداخت',
                        'paid' => 'پرداخت شده',
                        'processed' => 'در حال پردازش',
                        'picked_up' => 'جمع‌آوری شده',
                        'in_transit' => 'در حال ارسال',
                        'out_for_delivery' => 'آماده تحویل',
                        'delivered' => 'تحویل شده',
                        'cancelled' => 'لغو شده',
                        default => $state,
                    })
                    ->badge()
                    ->color(fn ($state) => match($state) {
                        'pending_approval' => 'warning',
                        'approved' => 'info',
                        'pending_payment' => 'warning',
                        'paid' => 'success',
                        'processed' => 'info',
                        'picked_up' => 'info',
                        'in_transit' => 'primary',
                        'out_for_delivery' => 'success',
                        'delivered' => 'success',
                        'cancelled' => 'danger',
                        default => 'gray',
                    }),
                Tables\Columns\IconColumn::make('is_completed')
                    ->label('تکمیل')
                    ->boolean(),
                Tables\Columns\TextColumn::make('notes')
                    ->label('یادداشت')
                    ->limit(50)
                    ->wrap(),
                Tables\Columns\TextColumn::make('created_at')
                    ->label('تاریخ ایجاد')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('completed_at')
                    ->label('زمان تکمیل')
                    ->dateTime()
                    ->sortable(),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('is_completed')
                    ->label('وضعیت تکمیل')
                    ->options([
                        'completed' => 'تکمیل شده',
                        'pending' => 'در انتظار',
                    ])
                    ->query(function ($query, $filter) {
                        match ($filter->getState()) {
                            'completed' => $query->where('is_completed', true),
                            'pending' => $query->where('is_completed', false),
                        };
                    }),
                Tables\Filters\SelectFilter::make('status')
                    ->label('وضعیت سفارش')
                    ->options(collect(ShipmentStatus::cases())->mapWithKeys(fn ($status) => [$status->value => $status->label()])->toArray()),
                Tables\Filters\SelectFilter::make('user_id')
                    ->label('کارمند')
                    ->relationship('user', 'name')
                    ->searchable(),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\Action::make('complete')
                    ->label('تکمیل')
                    ->icon('heroicon-o-check-circle')
                    ->color('success')
                    ->requiresConfirmation()
                    ->modalHeading('تأیید تکمیل')
                    ->modalDescription('آیا از تکمیل این چک‌لیست اطمینان دارید؟')
                    ->action(fn ($record) => $record->complete())
                    ->visible(fn ($record) => !$record->is_completed),
                Tables\Actions\Action::make('add_note')
                    ->label('افزودن یادداشت')
                    ->icon('heroicon-o-chat-bubble-bottom-center-text')
                    ->color('info')
                    ->form([
                        Forms\Components\Textarea::make('note')
                            ->label('یادداشت جدید')
                            ->required(),
                    ])
                    ->action(function ($record, array $data): void {
                        $existingNotes = $record->notes ? $record->notes . "\n\n" : '';
                        $record->update([
                            'notes' => $existingNotes . "[" . now()->format('Y-m-d H:i') . "] " . $data['note'],
                        ]);
                    }),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

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

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

    public static function getNavigationBadge(): ?string
    {
        return static::getModel()::where('is_completed', false)->count();
    }
}