<?php

namespace App\Filament\Resources;

use App\Filament\Imports\ProductionQuantityImporter;
use App\Filament\Resources\ProductionQuantityResource\Pages;
use App\Filament\Resources\ProductionQuantityResource\RelationManagers;
use App\Models\ProductionQuantity;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Actions\ImportAction;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;

class ProductionQuantityResource extends Resource
{
    protected static ?string $model = ProductionQuantity::class;

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

    // protected static ?string $navigationParentItem = 'Display Transactions';

    protected static ?string $navigationGroup = 'Production';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Select::make('plant_id')
                    ->relationship('plant', 'name')
                    ->required()
                    ->nullable()
                    ->reactive(),
                Forms\Components\Select::make('block_name')
                    ->required()
                    ->nullable()
                    ->reactive()
                    ->afterStateUpdated(fn ($set) => $set('shift_id', null)),
                Forms\Components\Select::make('shift_id')
                    ->relationship('shift', 'name')
                    ->required()
                    ->nullable()
                    // ->options(fn (callable $get) =>
                    // \App\Models\Shift::where('plant_id', $get('plant_id'))
                    //     ->pluck('name', 'id')
                    //     ->toArray() // Convert collection to array
                    // )
                    ->options(function (callable $get) {
                        if (!$get('plant_id')) {
                            return [];
                        }

                        return \App\Models\Shift::where('plant_id', $get('plant_id'))
                            ->pluck('name', 'id')
                            ->toArray();
                    })
                    ->reactive()
                    ->afterStateUpdated(fn ($set) => $set('line_id', null)),
                Forms\Components\Select::make('line_id')
                    ->relationship('line', 'name')
                    ->required()
                    ->nullable()
                    // ->options(fn (callable $get) =>
                    // \App\Models\Line::where('plant_id', $get('plant_id'))
                    //     ->pluck('name', 'id')
                    //     ->toArray() // Convert collection to array
                    // )
                    ->options(function (callable $get) {
                        if (!$get('plant_id')) {
                            return [];
                        }

                        return \App\Models\Line::where('plant_id', $get('plant_id'))
                            ->pluck('name', 'id')
                            ->toArray();
                    })
                    ->reactive(),
                // Forms\Components\Select::make('item_id')
                //     ->label('Item Code')
                //     ->relationship('item', 'code')
                //     ->required(),
                // // Forms\Components\TextInput::make('item_code')
                // //     ->required()
                // //     ->autocapitalize('item_code'),
                // //     //->columnSpanFull(),
                // Virtual field for code input (not stored in DB)
                Forms\Components\TextInput::make('item_code')
                    ->label('Item Code')
                    ->required()
                    ->reactive()
                    ->afterStateUpdated(function ($state, callable $get, callable $set) {
                        // Only search when all parent IDs are selected
                        if ($get('plant_id')  && $get('line_id')) {
                            $item = \App\Models\Item::where('code', $state)
                                ->where('plant_id', $get('plant_id'))
                                ->where('line_id', $get('line_id'))
                                ->first();

                            if ($item) {
                                $set('item_id', $item->id); // Set actual foreign key
                            } else {
                                $set('item_id', null); // Clear item_id if not found
                            }
                        }
                    })
                    ->rules([
                        function ($get) {
                            return function ($attribute, $value, $fail) use ($get) {
                                // Check if item exists with the given code and foreign keys
                                $exists = \App\Models\Item::where('code', $value)
                                    ->where('plant_id', $get('plant_id'))
                                    ->where('line_id', $get('line_id'))
                                    ->exists();

                                if (!$exists) {
                                    // Custom error message
                                    $fail("The item code '{$value}' does not exist for the selected Plant/Block/Line.");
                                }
                            };
                        },
                    ]),

                Forms\Components\Hidden::make('item_id')
                    ->required(),
                Forms\Components\TextInput::make('item_description')
                    ->label('Description')
                    ->required(),
                // Forms\Components\Select::make('item_id')
                //     ->label('Description')
                //     ->relationship('item', 'description')
                //     ->required(),
                Forms\Components\TextInput::make('serial_number')
                    ->required()
                    ->autocapitalize('serial_number'),
                    //->columnSpanFull(),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')
                    ->label('ID')
                    ->numeric()
                    ->sortable(),
                Tables\Columns\TextColumn::make('item.code')
                    ->sortable(),
                Tables\Columns\TextColumn::make('serial_number')
                    ->sortable(),
                Tables\Columns\TextColumn::make('line.name')
                    ->sortable(),
                Tables\Columns\TextColumn::make('shift.name')
                    ->sortable(),
                Tables\Columns\TextColumn::make('plant.name')
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('updated_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('deleted_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                Tables\Filters\TrashedFilter::make(),
            ])
            ->actions([
                Tables\Actions\ViewAction::make(),
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                    Tables\Actions\ForceDeleteBulkAction::make(),
                    Tables\Actions\RestoreBulkAction::make(),
                ]),
            ])
            ->headerActions([
                ImportAction::make()
                ->importer(ProductionQuantityImporter::class),
            ]);
    }

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

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListProductionQuantities::route('/'),
            'create' => Pages\CreateProductionQuantity::route('/create'),
            'view' => Pages\ViewProductionQuantity::route('/{record}'),
            'edit' => Pages\EditProductionQuantity::route('/{record}/edit'),
        ];
    }

    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()
            ->withoutGlobalScopes([
                SoftDeletingScope::class,
            ]);
    }
}