<?php

namespace App\Helper;

use Illuminate\Support\Facades\DB;
use Modules\Restaurant\Models\Ingredient;
use Modules\Restaurant\Models\IngredientDamage;
use Modules\Restaurant\Models\Stock;

class IngredientDamageHelper
{
    public static function createDamage(array $data)
    {
        DB::beginTransaction();

        try {
            // 1️⃣ Create ingredient damage record
            $damage = IngredientDamage::create($data);

            // 2️⃣ Reduce ingredient stock
            $ingredient = Ingredient::find($data['ingredient_id']);
            if (! $ingredient) {
                throw new \Exception('Ingredient not found.');
            }

            $ingredient->decrement('stock_quantity', $data['quantity']);

            // 3️⃣ Log stock movement
            Stock::create([
                'restaurant_id' => $data['restaurant_id'],
                'ingredient_id' => $data['ingredient_id'],
                'type' => 'damage',
                'quantity' => $data['quantity'],
                'unit_cost' => $data['unit_cost'] ?? null,
                'total_cost' => isset($data['unit_cost']) ? $data['unit_cost'] * $data['quantity'] : null,
                'reference_type' => 'IngredientDamage',
                'purchase_id' => $data['purchase_id'],
                'batch_no' => $data['batch_no'] ?? null,
                'expiry_date' => null,
                'added_by' => $data['reported_by'] ?? auth()->id(),
                'remarks' => $data['reason'] ?? 'Ingredient damage',
            ]);

            DB::commit();

            return $damage;
        } catch (\Exception $e) {
            DB::rollBack();
            throw $e;
        }
    }
}