<?php

namespace App\Livewire\ProductNutritional;

use Livewire\Component;
use Livewire\WithFileUploads;
use App\Models\ProductGroup;
use App\Models\ProductNutritionalValue;

class Edit extends Component
{
    use WithFileUploads;

    public $name;
    public $product_group;
    public $image;
    public $description;
    public $formulations;
    public $energy_on_100gr;
    public $proteins_on_100gr;
    public $fats_on_100gr;
    public $carbohydrates_on_100gr;
    public $portion_mass_gr;
    public $energy_on_portion;
    public $proteins_on_portion;
    public $fats_on_portion;
    public $carbohydrates_on_portion;
    public $product;

    public function mount(ProductNutritionalValue $product)
    {
        $this->name = $product->name;
        $this->product_group = $product->product_group->id;
        $this->image = $product->image;
        $this->description = $product->description;
        $this->formulations = $product->formulations;
        $this->energy_on_100gr = $product->energy_on_100gr;
        $this->proteins_on_100gr = $product->proteins_on_100gr;
        $this->fats_on_100gr= $product->fats_on_100gr;
        $this->carbohydrates_on_100gr = $product->carbohydrates_on_100gr;
        $this->portion_mass_gr = $product->portion_mass_gr;
        $this->energy_on_portion = $product->energy_on_portion;
        $this->proteins_on_portion = $product->proteins_on_portion;
        $this->fats_on_portion = $product->fats_on_portion;
        $this->carbohydrates_on_portion = $product->carbohydrates_on_portion;
    }

    public function render()
    {
        return view('livewire.product-nutritional.edit', ['productGroups' => ProductGroup::all()]);
    }

    public function save()
    {
        if (!is_string($this->image)) {
            $this->product->image = $this->image->store('recipe', 'public');
        }

        $this->product->fill([
            'name' => $this->name,
            'product_group_id' => $this->product_group,
            'description' => $this->description ?? "",
            'formulations' => $this->formulations ?? "",
            'energy_on_100gr' => (int) $this->energy_on_100gr,
            'proteins_on_100gr' => (float) $this->proteins_on_100gr,
            'fats_on_100gr' => (float) $this->fats_on_100gr,
            'carbohydrates_on_100gr' => (float) $this->carbohydrates_on_100gr,
            'portion_mass_gr' => (int) $this->portion_mass_gr,
            'energy_on_portion' => (int) $this->energy_on_portion,
            'proteins_on_portion' => (float) $this->proteins_on_portion,
            'fats_on_portion' => (float) $this->fats_on_portion,
            'carbohydrates_on_portion' => (float) $this->carbohydrates_on_portion,
        ]);

        $this->product->save();

        return redirect()->route('product_nutritional_value.index');
    }

    public function recalulateVals($mass)
    {
        $productKeys = [
            ['energy_on_100gr', 'energy_on_portion'],
            ['proteins_on_100gr', 'proteins_on_portion'],
            ['fats_on_100gr', 'fats_on_portion'],
            ['carbohydrates_on_100gr', 'carbohydrates_on_portion'],
        ];

        $k = 100/$mass;

        foreach ($productKeys as [$key100, $keyPortion]) {
            if($this->{$keyPortion}) {
                $newVal = (float) ($k * (float) $this->{$keyPortion});
                $this->fill([$key100 => $newVal]);
            }
        }
    }

    public function recalulatePortionVals($mass)
    {
        $productKeys = [
            ['energy_on_100gr', 'energy_on_portion'],
            ['proteins_on_100gr', 'proteins_on_portion'],
            ['fats_on_100gr', 'fats_on_portion'],
            ['carbohydrates_on_100gr', 'carbohydrates_on_portion'],
        ];

        $k = $mass/100;
        foreach ($productKeys as [$key100, $keyPortion]) {
            if($this->{$key100}) {
                $newVal = (float) ($k * (float) $this->{$key100});
                $this->fill([$keyPortion => $newVal]);
            }
        }

    }

    public function updated($name, $value)
    {
        if ($name == 'portion_mass_gr') {
            $this->recalulatePortionVals((int) $this->portion_mass_gr);
        }

        if (
            (int)$this->portion_mass_gr > 0
            && in_array($name, ['energy_on_portion', 'proteins_on_portion', 'fats_on_portion', 'carbohydrates_on_portion'])
        ) {
            $this->recalulateVals((int)$this->portion_mass_gr);
        }
    }

    public function delete()
    {
        $this->product->delete();
        return redirect()->route('product_nutritional_value.index');
    }
}