<?php

namespace App\Http\Livewire\Cart;

use App\Models\Addon;
use Livewire\Component;

class SummaryAddons extends Component
{
    public $product;
    public $addons = [];
    public $index;
    public $months = 1;
    public $cachedTotalPrice = null;

    public function mount($product, $index = null, $months = 1)
    {
        $this->product = $product;
        $this->months = $months;

        // Lấy tất cả addon từ database
        $addonsFromDb = Addon::all()->toArray();

        // Chuyển đổi dữ liệu addon từ database sang định dạng phù hợp với component
        $this->addons = collect($addonsFromDb)->map(function ($addon) {
            return [
                'id' => $addon['id'],
                'name' => $addon['name'],
                'price' => $addon['price'],
                'min' => $addon['min'],
                'max' => $addon['max'],
                'step' => $addon['step'],
                'prefix' => $addon['prefix'],
                'type_id' => $addon['type_id'],
                'qty' => 0, // Khởi tạo số lượng ban đầu là 0
            ];
        })->toArray();

        $this->index = $index;
    }

    public function increment($key)
    {
        if ($this->addons[$key]['qty'] < ($this->addons[$key]['max'] ?? PHP_INT_MAX)) {
            $this->addons[$key]['qty'] += ($this->addons[$key]['step'] ?? 1);
        }

        $this->calculateTotal();
        $this->dispatch('addonUpdated', addons: $this->addons);
    }

    public function decrement($key)
    {
        if ($this->addons[$key]['qty'] > ($this->addons[$key]['min'] ?? 0)) {
            $this->addons[$key]['qty'] -= ($this->addons[$key]['step'] ?? 1);
        }

        $this->calculateTotal();
        $this->dispatch('addonUpdated', addons: $this->addons);
    }

    // Triggered when input fields are updated directly
    public function updated($name, $value)
    {
        // Check if the updated property is related to addon quantity
        if (strpos($name, 'addons.') !== false && strpos($name, '.qty') !== false) {
            $parts = explode('.', $name);
            $key = $parts[1] ?? null;

            if ($key !== null && isset($this->addons[$key])) {
                // Ensure quantity is within bounds
                $min = $this->addons[$key]['min'] ?? 0;
                $max = $this->addons[$key]['max'] ?? PHP_INT_MAX;
                $step = $this->addons[$key]['step'] ?? 1;

                // Round to the nearest step
                $this->addons[$key]['qty'] = round($value / $step) * $step;

                // Apply min/max constraints
                $this->addons[$key]['qty'] = max($min, $this->addons[$key]['qty']);
                $this->addons[$key]['qty'] = min($max, $this->addons[$key]['qty']);

                // Ensure total is recalculated immediately
                $this->calculateTotal();

                // Notify listeners that addon has been updated
                $this->dispatch('addonUpdated', addons: $this->addons);
            }
        }
    }

    public function hydrate()
    {
        // This method is called on every Livewire request
        // Perfect place to make sure our computed properties are up-to-date
        $this->calculateTotal();
    }

    protected function calculateTotal()
    {
        // Lấy giá sản phẩm ưu tiên sale nếu có
        $basePrice = $this->product->price_sale ?: $this->product->price;

        // Nhân với số tháng
        $total = $basePrice * $this->months;

        foreach ($this->addons as $addon) {
            $total += $addon['qty'] * $addon['price'] * $this->months;
        }

        $this->cachedTotalPrice = $total;

        return $total;
    }

    public function getTotalAddonPriceProperty()
    {
        return collect($this->addons)->sum(function ($addon) {
            return $addon['qty'] * ($addon['price'] ?? 0) * $this->months;
        });
    }

    public function getTotalPriceProperty()
    {
        // Use cached value if available, otherwise calculate
        return $this->cachedTotalPrice ?? $this->calculateTotal();
    }

    public function render()
    {
        return view('livewire.cart.summary-addons');
    }
}