<?php

class MiraviaProduct
{
    public $id = 0;
    public $id_miravia = '';
    public $miravia_status = '';
    public $created = 0;
    public $sku = '';
    public $reference_sku = '';
    public $lang = 'es-ES'; // ISO lang code
    public $name = '';
    public $short_description = '';
    public $description = '';
    public $brand = 'no brand';
    public $model = '';
    public $ean_code = '';
    public $warranty = '';
    public $id_category = '';
    public $id_brand = '';
    public $images = []; // Public URLs
    public $video = '';
    public $price = 0;
    public $special_price = 0;
    public $quantity = 0;
    public $width = 0;
    public $height = 0;
    public $length = 0;
    public $weight = 0;
    public $warehouse = '';
    public $delivery = '';
    public $extra_attributes = []; // [ "id_attribute" => "value", ... ]
    public $combinations = []; // Array of MiraviaCombination class
    public $info = []; // Internal info (for filters)

    protected $private_vars = ['private_vars', 'error', 'id', 'combinations', 'info'];
    public $error = '';

    public function __construct()
    {
        //
    }

    public function addAttr($key = false, $value = false) {
        if($key and $value) {
            $this->extra_attributes[$key] = $value;
        }
    }

    public function getData()
    {
        $product = [];
        foreach ($this as $key => $value){
            if(!in_array($key, $this->private_vars)){
                if($key === 'images' && is_array($value) && !empty($value)){
                    $product['Images'] = ['Image' => $value];
                } else if($key !== 'images') {
                    $product[$key] = $value;
                }
            }
        }
        $combinations = $this->getCombinations();
        $product['combinations'] = $combinations;
        return $product;
    }

    public function getStockData()
    {
        $combis = [];
        foreach ($this->combinations as $combination){
            $combis[] = $combination->getStockData();
        }
        if(count($combis)==0){
            $combis =[[
                'sku' => $this->sku,
                'price' => $this->price,
                'special_price' => $this->special_price,
                'quantity' => $this->quantity >= 0 ? $this->quantity : 0
            ]];
            $this->reference_sku = $this->sku;
        }
        $ret = [
            'id' => $this->id,
            'id_miravia' => $this->id_miravia,
            'sku' => $this->sku,
            'combinations' => $combis
        ];
        if(!empty($this->warehouse)){
            $ret['warehouse'] = $this->warehouse;
        }
        return $ret;
    }

    public function getOnlyStockData()
    {
        $combis = [];
        foreach ($this->combinations as $combination){
            $combis[] = $combination->getOnlyStockData();
        }
        if(count($combis)==0){
            $combis =[[
                'sku' => $this->sku,
                'quantity' => $this->quantity >= 0 ? $this->quantity : 0
            ]];
            $this->reference_sku = $this->sku;
        }
        $ret = [
            'id' => $this->id,
            'id_miravia' => $this->id_miravia,
            'sku' => $this->sku,
            'combinations' => $combis
        ];
        if(!empty($this->warehouse)){
            $ret['warehouse'] = $this->warehouse;
        }
        return $ret;
    }

    public function getJSON($pretty = false)
    {
        $flags = $pretty ? JSON_PRETTY_PRINT : 0;
        return json_encode($this->getData(),  $flags);
    }

    public function getCombinations()
    {
        $ret = [];
        foreach ($this->combinations as $combination){
            $ret[] = $combination->getData();
        }
        return $ret;
    }

    public function createProduct($apiKey)
    {
        if(!empty($this->id_miravia)){
            return $this->updateProduct($apiKey);
        }
        $jreq = json_encode($this->getData());
        $link = new MiraviaLink($apiKey);
        $ret = $link->createProduct($jreq);
        if($ret == false) {
            $this->error = $link->last_error;
        }
        if(isset($ret['data'])){
            if(isset($ret['data']['item_id'])){
                $this->id_miravia = $ret['data']['item_id'];
            }
        }
        return true;
    }

    public function updateProduct($apiKey)
    {
        if(empty($this->id_miravia)){
            $this->error = 'Invalid Miravia Id Product';
            return false;
        }
        $jreq = json_encode($this->getData());
        $link = new MiraviaLink($apiKey);
        $ret = $link->updateProduct($this->id_miravia, $jreq);
        if($ret == false) {
            $this->error = $link->last_error;
        }
        if(isset($ret['data'])){
            if(isset($ret['data']['item_id'])){
                $this->id_miravia = $ret['data']['item_id'];
            }
            return true;
        }
        if(isset($ret['message'])){
            $this->error = $ret['message'];
        }
        return false;
    }

    public function getInfoValue($field)
    {
        if(isset($this->info[$field])){
            return $this->info[$field];
        }
        return '';
    }

}