<?php
class MakeStats {

    public static function getProductsByCat($id_cat = NULL)
    {
        global $cookie;
        $category = new Category($id_cat);
        $products = $category->getProductsStats( $cookie->id_lang , "1", "1000000000000000000", "reference",NULL , FALSE, FALSE , FALSE );

        return $products;
    }


   	public static function pushLine(&$line, $product, $id_product_attribute = null, $date_from = null, $date_to = null)
	{
	    global $cookie;

	    $stockMvt = Inventory::getStockMouvements($cookie->id_lang, $product->id, $id_product_attribute, false, $date_from, $date_to);
	    if(count($stockMvt) == 0)
	        return;

	    $array = Inventory::calculStockMvt($stockMvt, $product);
	    if($array['quantiteVendu'] > 0)
	    	$line[] = array_merge($array, $stockMvt[0]);
	}

	public static function orderMultiArray($multi_array, $key)
	{
		$array = self::orderForReorder($multi_array);
		$size = count($array);
		for ($i=0; $i < $size; $i++) {
			for ($j=$size-1; $j >= $i ; $j--) {
				if($array[$j+1]['total_ht'] > $array[$j]['total_ht'] ) {
					$temp = $array[$j+1];
		      		$array[$j+1] = $array[$j];
		      		$array[$j] = $temp;
				}
			}
		}
		return $array;
	}

	public static function orderForReorder($array)
	{
		$array_tmp = array();
		$i = 0;
		foreach ($array as $ids => $data) {
			$ids = explode('-', $ids);
			$array_id = array();
			$array_id['id_product'] = $ids[0];
			// $array_id['id_product_attribute'] = $ids[1];

			$array_tmp[$i] = array_merge($array_id, $data);
			$i++;
		}
		return $array_tmp;
	}


   	public static function getProductPriceWithReduction($values)
	{
		return (float)( $values['product_price']*( 1-($values['reduction_percent']/100) ) );
	}

    public static function getItemPackSoldQuantity($id_item)
    {
        $query = Db::getInstance()->getRow('
            SELECT SUM(od.`product_quantity` - od.`product_quantity_reinjected`) as quantity_sold , p.`quantity`
            FROM `'._DB_PREFIX_.'pack` p
            LEFT JOIN `'._DB_PREFIX_.'order_detail` od ON (od.`product_id` = p.`id_product_pack`)
            LEFT JOIN `'._DB_PREFIX_.'order_state_current` oc ON (oc.`id_order`=od.`id_order`)
            WHERE oc.`id_order_state` IN (13,4,17,9,1,11,10,5,14,12,2,3,18)
            AND p.`id_product_item` = '.(int)$id_item.'
        ');
        return ($query['quantity_sold'] * $query['quantity']);
    }

   	public static function record_sort($records, $field, $reverse=false)
	{
	    $hash = array();

	    foreach($records as $record)
	    {
	        $hash[$record[$field]] = $record;
	    }

	    ($reverse)? krsort($hash) : ksort($hash);

	    $records = array();

	    foreach($hash as $record)
	    {
	        $records []= $record;
	    }

	    return $records;
	}

   	public static function getArrayLines($lines, $by_product_price = false, $id_sale = 0)
	{
        $arrayTmp = array();
        $all_multi = array();
		$all_m1 = array();
		$g = 0;

        if ($id_sale && (int)$id_sale>2) {

            $sale = new Sale((int) $id_sale);
            $id_products = $sale->getProducts();
            $ids = Db::getInstance()->ExecuteS('
                SELECT DISTINCT d.`id_order`, CAST(o.`date_add` as DATE) as `date_add`
                FROM `'._DB_PREFIX_.'order_detail` d
                LEFT JOIN `'._DB_PREFIX_.'orders` o
                ON d.`id_order` = o.`id_order`
                WHERE d.`product_id` IN ('.implode(',', $id_products).'
                    -- SELECT `id_product`
                    -- FROM `'._DB_PREFIX_.'product_ps_cache`
                    -- WHERE `id_sale` = '.(int) $id_sale.'
                )
                AND o.`valid` = 1
            ');

            $ids_od = array();
            foreach ($ids as $key => $id) {
                $ids_od[] = (int)$id['id_order'];
            }
            //$all_multi = $sale->getMultiForStats($ids_od, 3);
            //$all_m2 = $sale->getMultiForStats($ids_od, 2, true);
            $all_multi = $sale->getMultiForStats($ids_od, 2);
            $all_m1 = $sale->getMultiForStats($ids_od, 1, true);
        }

		foreach($lines as $line)
		{
			// if( ($line['product_quantity'] - $line['product_quantity_reinjected']) == 0)
			// 	continue;

			if(!isset($arrayTmp[$line['product_id']]))
				$arrayTmp[$line['product_id']] = array();

            $product_price = MakeStats::getProductPriceWithReduction($line);
            if($by_product_price)
            {
                if(!isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]))
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']] = array();

                if(!isset($arrayTmp[$line['product_id']][$line['product_attribute_id']][$product_price]))
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']][$product_price] = array('line' => $line, 'total' => 0);
            }
            else
            {
                if(!isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]))
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']] = array('line' => $line, 'total' => 0);
            }

            if (isset($line['product_quantity'])) {
                $quantity = $line['product_quantity'] - $line['product_quantity_reinjected'];
            } else {
                if(Pack::isPacked($line['product_id'])){
                    $quantity = self::getItemPackSoldQuantity($line['product_id']);
                } else {
                    $quantity = 0;
                }
            }
            $stock = (isset($line['attribute_quantity']))?$line['attribute_quantity']:$line['stock'];

            if($by_product_price) {
                $arrayTmp[$line['product_id']][$line['product_attribute_id']][$product_price]['total'] += $quantity;
                $arrayTmp[$line['product_id']][$line['product_attribute_id']][$product_price]['stock'] = $stock;
            } else {
                $arrayTmp[$line['product_id']][$line['product_attribute_id']]['total'] += $quantity;
                $arrayTmp[$line['product_id']][$line['product_attribute_id']]['stock'] = $stock;
            }

            if ($id_sale && (int)$id_sale>2) {
                // multi (order contenant au moins 2 ventes differentes)
                if(!isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]['multi']) && in_array($line['id_order'], $all_multi)) {
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']]['multi'] = $quantity;
                } elseif (isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]) && in_array($line['id_order'], $all_multi)) {
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']]['multi'] += $quantity;
                }

                // multi 1 (order contenant uniquement 1 vente)
                if(!isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1']) && in_array($line['id_order'], $all_m1)) {
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1'] = $quantity;
                } elseif (isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1']) && in_array($line['id_order'], $all_m1)) {
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1'] += $quantity;
                }

                // multi 2 (order contenant uniquement 2 ventes)
                /*if(!isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]['m2']) && in_array($line['id_order'], $all_m2)) {
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m2'] = $quantity;
                } elseif (isset($arrayTmp[$line['product_id']][$line['product_attribute_id']]['m2']) && in_array($line['id_order'], $all_m2)) {
                    $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m2'] += $quantity;
                }*/

                // multi 1 + multi 2 (produit dans order contenant uniquement 1 vente et order contenant 2 ventes)
                // $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1_m2'] = $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1'] + $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m2'];
                $arrayTmp[$line['product_id']][$line['product_attribute_id']]['total_m'] = $arrayTmp[$line['product_id']][$line['product_attribute_id']]['m1'] + $arrayTmp[$line['product_id']][$line['product_attribute_id']]['multi'];
            }
        }
		return $lines = $arrayTmp;
	}

	public static function getOrdersByIdsProduct($ids_products = array(), $order_states = array(), $date_from = null, $date_to = null)
    {
        $req = 'SELECT od.*, p.name as product_name_base, pd.quantity as stock
        FROM '._DB_PREFIX_.'order_detail od
        RIGHT JOIN '._DB_PREFIX_.'orders o
            ON (
                od.id_order = o.id_order
                AND (SELECT id_order_state
                    FROM '._DB_PREFIX_.'order_history oh
                    WHERE o.id_order = oh.id_order
                    ORDER BY id_order_history DESC
                    LIMIT 1)
                        IN ("'.implode('","', $order_states).'")
                '.($date_from !== null && $date_to !== null && Validate::isDate($date_from) && Validate::isDate($date_to) ?
                    'AND o.date_add >= "'.$date_from.'" AND o.date_add <= "'.$date_to.'"' : '' ).'
            )
		LEFT OUTER JOIN `'._DB_PREFIX_.'product_lang` p
			ON p.id_product = od.product_id
			AND p.id_lang = 2
        LEFT OUTER JOIN `'._DB_PREFIX_.'product` pd
            ON pd.id_product = od.product_id
        WHERE product_id IN ("'.implode('","', $ids_products).'")';

        $res = Db::getInstance()->ExecuteS($req);
        $id_lang = 2;
        foreach($res as $k => $r)
        {
        	// override product_name
        	$res[$k]['product_name'] = $res[$k]['product_name_base'];
        	$r['product_name'] = $r['product_name_base'];
	        if (!empty($r['product_attribute_id'])
	        	&& $r['product_attribute_id'] != 0) {
	        	$product_attribute = Db::getInstance()->ExecuteS('
					SELECT pa.*, ag.`id_attribute_group`, ag.`is_color_group`, agl.`name` AS group_name, al.`name` AS attribute_name, a.`id_attribute`, pa.`unit_price_impact`
					FROM `'._DB_PREFIX_.'product_attribute` pa
					LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON pac.`id_product_attribute` = pa.`id_product_attribute`
					LEFT JOIN `'._DB_PREFIX_.'attribute` a ON a.`id_attribute` = pac.`id_attribute`
					LEFT JOIN `'._DB_PREFIX_.'attribute_group` ag ON ag.`id_attribute_group` = a.`id_attribute_group`
					LEFT JOIN `'._DB_PREFIX_.'attribute_lang` al ON (a.`id_attribute` = al.`id_attribute` AND al.`id_lang` = '.(int)($id_lang).')
					LEFT JOIN `'._DB_PREFIX_.'attribute_group_lang` agl ON (ag.`id_attribute_group` = agl.`id_attribute_group` AND agl.`id_lang` = '.(int)($id_lang).')
					WHERE pa.`id_product` = '.(int)($r['product_id']).'
					AND pa.`id_product_attribute` = '.(int)($r['product_attribute_id']).'
					ORDER BY pa.`id_product_attribute`
				');

	        	foreach ($product_attribute as $key => $attribute) {
	        		if ($key != 0) {
	        			$r['product_name'].=',';
	        		} else {
	        			$r['product_name'].=' -';
	        		}
	        		$r['product_name'] .= ' '.$attribute['group_name'] .' : '. $attribute['attribute_name'];
                    $res[$k]['attribute_quantity'] = $attribute['quantity'];
                }
            }

        	$res[$k]['product_attribute_name_base'] = '';
        	if(!empty($r['product_name_base']))
        	{
        		$res[$k]['product_attribute_name_base'] = str_replace($r['product_name_base'].' - ', '', $r['product_name']);
        		if($res[$k]['product_attribute_name_base'] == $r['product_name_base'])
        			$res[$k]['product_attribute_name_base'] = '';
        	}
        }

        return $res;
    }

    // Adding - fev 2016 (récupération de Tous les produits de la vente et pas seulement ceux vendus)
    public static function getDetailsByIdsProduct($ids_products = array(), $order_states = array(), $date_from = null, $date_to = null)
    {
        $req = 'SELECT
            od.*,
            p.name as product_name_base,
            pd.quantity as stock
        FROM '._DB_PREFIX_.'order_detail od
        RIGHT JOIN '._DB_PREFIX_.'orders o
            ON (
                od.id_order = o.id_order
                AND (SELECT id_order_state
                    FROM '._DB_PREFIX_.'order_history oh
                    WHERE o.id_order = oh.id_order
                    ORDER BY id_order_history DESC
                    LIMIT 1)
                        IN ("'.implode('","', $order_states).'")
                '.($date_from !== null && $date_to !== null && Validate::isDate($date_from) && Validate::isDate($date_to) ?
                    'AND o.date_add >= "'.$date_from.'" AND o.date_add <= "'.$date_to.'"' : '' ).'
            )
        LEFT OUTER JOIN `'._DB_PREFIX_.'product_lang` p
            ON p.id_product = od.product_id
            AND p.id_lang = 2
        LEFT OUTER JOIN `'._DB_PREFIX_.'product` pd
            ON pd.id_product = od.product_id
        WHERE product_id IN ("'.implode('","', $ids_products).'")';
        $res = Db::getInstance()->ExecuteS($req);

        $req2 = 'SELECT
            p.id_product as product_id, p.price as product_price, p.price as product_price, p.ean13 as product_ean13, p.reference as product_reference, p.supplier_reference as product_supplier_reference,
            p.weight as product_weight, pl.name as product_name_base,
            p.quantity as stock,
            pa.id_product_attribute as product_attribute_id
        FROM '._DB_PREFIX_.'product p
        LEFT OUTER JOIN `'._DB_PREFIX_.'product_lang` pl
            ON pl.id_product = p.id_product
            AND pl.id_lang = 2
        LEFT OUTER JOIN `'._DB_PREFIX_.'product_attribute` pa ON (pa.`id_product` = p.`id_product`)
        WHERE p.id_product IN ("'.implode('","', $ids_products).'")';
        $res2 = Db::getInstance()->ExecuteS($req2);

        $ids_in_order = array();
        foreach($res as $k => $r) {
            $ids_in_order[$res[$k]['product_id']] = $res[$k]['product_attribute_id'];
        }
        foreach ($res2 as $k => $value) {
            if(isset($value['product_attribute_id']) && in_array($value['product_attribute_id'], $ids_in_order)) {
                unset($res2[$k]);
            } elseif (!isset($value['product_attribute_id'])
                && array_key_exists($value['product_id'], $ids_in_order)
                && $ids_in_order[$value['product_id']] == 0
            ){
                unset($res2[$k]);
            }
        }

        $res = array_merge($res,$res2);
        $id_lang = 2;
        foreach($res as $k => $r)
        {

            // override product_name
            $res[$k]['product_name'] = $res[$k]['product_name_base'];
            $r['product_name'] = $r['product_name_base'];
            if (!empty($r['product_attribute_id'])
                && $r['product_attribute_id'] != 0) {
                $product_attribute = Db::getInstance()->ExecuteS('
                    SELECT pa.*, ag.`id_attribute_group`, ag.`is_color_group`, agl.`name` AS group_name, al.`name` AS attribute_name, a.`id_attribute`, pa.`unit_price_impact`
                    FROM `'._DB_PREFIX_.'product_attribute` pa
                    LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON pac.`id_product_attribute` = pa.`id_product_attribute`
                    LEFT JOIN `'._DB_PREFIX_.'attribute` a ON a.`id_attribute` = pac.`id_attribute`
                    LEFT JOIN `'._DB_PREFIX_.'attribute_group` ag ON ag.`id_attribute_group` = a.`id_attribute_group`
                    LEFT JOIN `'._DB_PREFIX_.'attribute_lang` al ON (a.`id_attribute` = al.`id_attribute` AND al.`id_lang` = '.(int)($id_lang).')
                    LEFT JOIN `'._DB_PREFIX_.'attribute_group_lang` agl ON (ag.`id_attribute_group` = agl.`id_attribute_group` AND agl.`id_lang` = '.(int)($id_lang).')
                    WHERE pa.`id_product` = '.(int)($r['product_id']).'
                    AND pa.`id_product_attribute` = '.(int)($r['product_attribute_id']).'
                    ORDER BY pa.`id_product_attribute`
                ');
                foreach ($product_attribute as $key => $attribute) {
                    if ($key != 0) {
                        $r['product_name'].=',';
                    } else {
                        $r['product_name'].=' -';
                    }
                    $r['product_name'] .= ' '.$attribute['group_name'] .' : '. $attribute['attribute_name'];
                    $res[$k]['attribute_quantity'] = $attribute['quantity'];
                    $res[$k]['product_ean13'] = $attribute['ean13'];
                }
            }

            $res[$k]['product_attribute_name_base'] = '';
            if(!empty($r['product_name_base']))
            {
                $res[$k]['product_attribute_name_base'] = str_replace($r['product_name_base'].' - ', '', $r['product_name']);
                if($res[$k]['product_attribute_name_base'] == $r['product_name_base'])
                    $res[$k]['product_attribute_name_base'] = '';
            }
        }

        return $res;
    }
}