<?php

namespace App\Model;

use Illuminate\Database\Eloquent\Model;
use App\Library\Traits\HasUid;
use App\Library\Contracts\TagResolverInterface;
use Validator;

class FunnelProduct extends Model implements TagResolverInterface
{
    use HasUid;

    public const STATUS_ACTIVE = 'active';
    public const STATUS_INACTIVE = 'inactive';

    protected $fillable = [
        'name', 'description', 'price', 'compare_at_price',
        'currency', 'image', 'sku', 'is_digital', 'settings', 'status',
    ];

    protected $casts = [
        'is_digital' => 'boolean',
        'settings'   => 'array',
        'price'      => 'decimal:2',
        'compare_at_price' => 'decimal:2',
    ];

    // -------------------------------------------------------------------------
    // Relationships
    // -------------------------------------------------------------------------

    public function customer()
    {
        return $this->belongsTo(Customer::class);
    }

    public function funnels()
    {
        return $this->belongsToMany(Funnel::class, 'funnel_product_links')
            ->withPivot('sort_order', 'custom_price')
            ->withTimestamps();
    }

    // -------------------------------------------------------------------------
    // Scopes
    // -------------------------------------------------------------------------

    public function scopeOfCustomer($query, $customer)
    {
        return $query->where('customer_id', $customer->id);
    }

    public function scopeActive($query)
    {
        return $query->where('status', self::STATUS_ACTIVE);
    }

    public function scopeSearch($query, $keyword)
    {
        if ($keyword) {
            $query->where('name', 'like', '%' . trim($keyword) . '%');
        }
    }

    // -------------------------------------------------------------------------
    // TagResolverInterface
    // -------------------------------------------------------------------------

    public function getResolvedTags(): array
    {
        return [
            'PRODUCT_NAME'  => $this->name,
            'PRODUCT_PRICE' => $this->price,
            'PRODUCT_SKU'   => $this->sku ?? '',
            'PRODUCT_DESCRIPTION' => $this->description ?? '',
        ];
    }

    // -------------------------------------------------------------------------
    // CRUD helpers
    // -------------------------------------------------------------------------

    public function fillParams($params)
    {
        $this->name = $params['name'] ?? $this->name;
        $this->description = $params['description'] ?? $this->description;
        $this->price = $params['price'] ?? $this->price;
        $this->compare_at_price = $params['compare_at_price'] ?? $this->compare_at_price;
        $this->currency = $params['currency'] ?? $this->currency;
        $this->sku = $params['sku'] ?? $this->sku;
        $this->is_digital = isset($params['is_digital']) ? (bool) $params['is_digital'] : $this->is_digital;
        $this->status = $params['status'] ?? $this->status;
    }

    public function saveFromParams($params)
    {
        $this->fillParams($params);

        $validator = Validator::make($params, [
            'name'  => 'required|max:255',
            'price' => 'required|numeric|min:0',
        ]);

        if ($validator->fails()) {
            return $validator;
        }

        if (isset($params['image_file'])) {
            $this->uploadImage($params['image_file']);
        }

        $this->save();

        return $validator;
    }

    // -------------------------------------------------------------------------
    // Image
    // -------------------------------------------------------------------------

    public function getImageUrl()
    {
        if ($this->image) {
            return asset('storage/funnel_products/' . $this->image);
        }

        return url('images/placeholder.jpg');
    }

    public function uploadImage($file)
    {
        $path = storage_path('app/public/funnel_products/');

        if (!is_dir($path)) {
            mkdir($path, 0777, true);
        }

        $filename = 'product-' . $this->uid . '.' . $file->getClientOriginalExtension();
        $file->move($path, $filename);
        $this->image = $filename;
    }

    // -------------------------------------------------------------------------
    // Duplicate
    // -------------------------------------------------------------------------

    public function duplicate()
    {
        $copy = $this->replicate(['uid']);
        $copy->name = $this->name . ' (Copy)';
        $copy->save();

        return $copy;
    }
}