<?php

namespace App\Filament\Pages\Inventory;

use App\Services\StockService;
use BackedEnum;
use Filament\Actions\Action;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\TextInput;
use Filament\Pages\Page;
use Filament\Schemas\Components\EmbeddedTable;
use Filament\Schemas\Schema;
use Filament\Support\Enums\FontWeight;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Concerns\InteractsWithTable;
use Filament\Tables\Contracts\HasTable;
use Filament\Tables\Table;
use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Support\Facades\Gate;
use UnitEnum;

class Stocks extends Page implements HasTable
{
    use InteractsWithTable;

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-archive-box';

    protected static string|UnitEnum|null $navigationGroup = 'Inventori';

    protected static ?int $navigationSort = 0;

    protected static ?string $navigationLabel = 'Stok';

    protected static ?string $slug = 'inventory/stocks';

    protected string $view = 'filament.pages.blank';

    public function getTitle(): string|Htmlable
    {
        return 'Stok';
    }

    public function table(Table $table): Table
    {
        /** @var StockService $service */
        $service = app(StockService::class);

        return $table
            ->records(fn (?string $sortColumn, ?string $sortDirection, int|string $page, int|string $recordsPerPage) => $service->paginate(
                sortColumn: $sortColumn,
                sortDirection: $sortDirection,
                page: (int) $page,
                perPage: (int) $recordsPerPage,
            ))
            ->columns([
                TextColumn::make('products.code')->label('Kode')->badge()->sortable(false),
                TextColumn::make('products.name')->label('Produk')->weight(FontWeight::SemiBold),
                TextColumn::make('quantity')->label('Saldo')->numeric()->sortable(),
                TextColumn::make('products.stock_minimum')->label('Min.'),
                TextColumn::make('status')
                    ->label('Status')
                    ->state(fn (array $record): string => (int) $record['quantity'] <= (int) ($record['products']['stock_minimum'] ?? 0) ? 'kritis' : 'aman')
                    ->badge()
                    ->color(fn (string $state): string => match ($state) {
                        'kritis' => 'danger',
                        default => 'success',
                    }),
                TextColumn::make('updated_at')->label('Diperbarui')->dateTime('d M Y H:i', 'Asia/Jakarta')->sortable(),
            ])
            ->recordActions([
                Action::make('restok')
                    ->label('Restok')
                    ->icon('heroicon-o-plus-circle')
                    ->visible(fn (): bool => Gate::check('manage-stock'))
                    ->schema(fn (Schema $schema): Schema => $schema->components([
                        TextInput::make('quantity')->label('Jumlah Masuk')->numeric()->minValue(1)->required(),
                        Textarea::make('notes')->label('Catatan'),
                    ]))
                    ->action(function (array $data, array $record): void {
                        app(StockService::class)->restock(
                            $record['product_id'],
                            (int) $data['quantity'],
                            $data['notes'] ?? null,
                            auth()->user(),
                        );
                    }),
                Action::make('koreksi')
                    ->label('Koreksi')
                    ->icon('heroicon-o-adjustments-horizontal')
                    ->color('warning')
                    ->visible(fn (): bool => Gate::check('manage-stock'))
                    ->schema(fn (Schema $schema): Schema => $schema->components([
                        TextInput::make('new_quantity')->label('Saldo Baru')->numeric()->minValue(0)->required()
                            ->default(fn (array $record): int => (int) $record['quantity']),
                        Textarea::make('notes')->label('Alasan Koreksi'),
                    ]))
                    ->action(function (array $data, array $record): void {
                        app(StockService::class)->adjust(
                            $record['product_id'],
                            (int) $data['new_quantity'],
                            $data['notes'] ?? null,
                            auth()->user(),
                        );
                    }),
            ])
            ->paginated([10, 25, 50]);
    }

    public function content(Schema $schema): Schema
    {
        return $schema
            ->components([
                EmbeddedTable::make(),
            ]);
    }
}