<?php

class MiraviaFeed
{
    private $products = [];
    public $miravia_feed_id = '';
    public $debug = false;

    public $default_width = 0;
    public $default_height = 0;
    public $default_length = 0;
    public $default_weight = 0;

    public function __construct()
    {
        //
    }

    public function setProducts($products)
    {
       foreach($products as $p) {
        $this->products[$p->id] = $p;
       }
    }

    public function addProduct(MiraviaProduct $product)
    {
        $this->products[$product->id] = $product;
    }

    public function getProducts()
    {
        return $this->products;
    }

    public function getProductsIds()
    {
        return array_keys($this->products);
    }

    public function getJsonCreate($offset = 0, $limit = 200)
    {
        $ret = [];
        $prods = array_slice($this->products, $offset, $limit);
        foreach ($prods as $p) {
            if($p->created==0){
                $this->setDefaultValues($p);
                $ret[] = $p->getData();
            }
        }
        if(empty($ret)){
            return false;
        }
        $ret = [
            'products' =>  $ret
        ];
        $flags = $this->debug ? JSON_PRETTY_PRINT : 0;
        return json_encode($ret, $flags);
    }

    public function getJsonUpdate($offset = 0, $limit = 200)
    {
        $ret = [];
        $prods = array_slice($this->products, $offset, $limit);
        foreach ($prods as $p) {
            if($p->created==1 && strlen($p->id_miravia)>14){
                $this->setDefaultValues($p);
                $ret[] = $p->getData();
            }
        }
        if(empty($ret)){
            return false;
        }
        $ret = [
            'products' =>  $ret
        ];
        $flags = $this->debug ? JSON_PRETTY_PRINT : 0;
        return json_encode($ret, $flags);
    }

    public function setDefaultValues(MiraviaProduct &$product)
    {
        if((float)$product->weight == 0) $product->weight = $this->default_weight;
        if((int)$product->height == 0) $product->height = $this->default_height;
        if((int)$product->width == 0) $product->width = $this->default_width;
        if((int)$product->length == 0) $product->length = $this->default_length;
    }

    public function getJsonUpdateStock($onlyStock = false, $offset = 0, $limit = 200)
    {
        $ret = [];
        $prods = array_slice($this->products, $offset, $limit);
        foreach ($prods as $p) {
            if(!empty($p->id_miravia)){
                if($onlyStock) {
                    $ret[] = $p->getOnlyStockData();
                }else{
                    $ret[] = $p->getStockData();
                }
            }
        }
        if(empty($ret)){
            return false;
        }
        $ret = [
            'products' =>  $ret
        ];
        $flags = $this->debug ? JSON_PRETTY_PRINT : 0;
        return json_encode($ret, $flags);
    }

    public function applyFilter($jsonFilter)
    {
        if(empty($jsonFilter)){
            return false;
        }
        $filter = new MiraviaFilter($jsonFilter);

        if($ids = $filter->parseRecords($this->products)){
            return $ids;
        }
        return false;
    }

    public function removeProductsById($ids)
    {
        if(!is_array($ids)){
            $ids = [$ids];
        }
        foreach ($ids as $id){
            unset($this->products[$id]);
        }
    }

    public function keepProductsById($ids)
    {
        if(!is_array($ids)){
            $ids = [$ids];
        }
        $keys = array_keys($this->products);
        $ids = array_diff($keys, $ids);
        foreach ($ids as $id){
            unset($this->products[$id]);
        }
    }

    public function applyNumericFieldAction($ids, $fields, $action, $value)
    {
        $afields = explode(',',$fields);
        foreach ($afields as $field){
            foreach ($ids as $id){
                if(isset($this->products[$id])){

                    switch ($action){
                        case 'increment':
                            if($this->products[$id]->{$field}) {
                                $this->products[$id]->{$field} = (float)$this->products[$id]->{$field} + (float)$value;
                            }
                            foreach($this->products[$id]->combinations as &$combi){
                                $combi->{$field} += (float)$value;
                            }
                            break;
                        case 'decrement':
                            if($this->products[$id]->{$field}) {
                                $this->products[$id]->{$field} -= (float)$value;
                            }
                            foreach($this->products[$id]->combinations as &$combi){
                                $combi->{$field} -= (float)$value;
                            }
                            break;
                        case 'increment_percent':
                            if($this->products[$id]->{$field}) {
                                $this->products[$id]->{$field} += ((float)$this->products[$id]->{$field} * (float)$value / 100);
                            }
                            foreach($this->products[$id]->combinations as &$combi){
                                $combi->{$field} += ((float)$combi->{$field} * (float)$value / 100);
                            }
                            break;
                        case 'decrement_percent':
                            if($this->products[$id]->{$field}) {
                                $this->products[$id]->{$field} -= ((float)$this->products[$id]->{$field} * (float)$value / 100);
                            }
                            foreach($this->products[$id]->combinations as &$combi){
                                $combi->{$field} -= ((float)$combi->{$field} * (float)$value / 100);
                            }
                            break;
                        case 'multiply':
                            if($this->products[$id]->{$field}) {
                                $this->products[$id]->{$field} = ((float)$this->products[$id]->{$field} * (float)$value );
                            }
                            foreach($this->products[$id]->combinations as &$combi){
                                $combi->{$field} = ((float)$combi->{$field} * (float)$value );
                            }
                            break;
                        case 'set':
                            if($this->products[$id]->{$field}) {
                                $this->products[$id]->{$field} = (float)$value;
                            }
                            foreach($this->products[$id]->combinations as &$combi){
                                $combi->{$field} = (float)$value;
                            }
                            break;
                    }
                }
            }
        }
    }

    public function applyTextFieldAction($ids, $field, $template)
    {
        foreach ($ids as $id) {
            if (isset($this->products[$id])) {
                $replaces = [
                    'name' => $this->products[$id]->name,
                    'description' => $this->products[$id]->description,
                    'short_description' => $this->products[$id]->short_description,
                    'manufacturer' => $this->products[$id]->getInfoValue('manufacturer'),
                    'supplier' => $this->products[$id]->getInfoValue('supplier'),
                    'category' => $this->products[$id]->getInfoValue('category'),
                ];
                $this->products[$id]->{$field} = $template;
                foreach($replaces as $search => $replace){
                    $this->products[$id]->{$field} = str_replace('%' . $search .'%', $replace, $this->products[$id]->{$field});
                }
            }
        }
    }

    public function applyLogisticsAction($ids, $delivery, $warehouse)
    {
        foreach ($ids as $id) {
            if (isset($this->products[$id])) {
                $this->products[$id]->delivery = $delivery;
                $this->products[$id]->warehouse = $warehouse;
            }
        }
    }

    public function getProductCount()
    {
        return sizeof($this->products);
    }
}