<?php
/* Copyright (C) 2016   Laurent Destailleur     <eldy@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

use Luracast\Restler\RestException;

require_once DOL_DOCUMENT_ROOT.'/product/stock/class/mouvementstock.class.php';


/**
 * API class for stock movements
 *
 * @access protected 
 * @class  DolibarrApiAccess {@requires user,external}
 */
class StockMovements extends DolibarrApi
{
    /**
     * @var array   $FIELDS     Mandatory fields, checked when create and update object 
     */
    static $FIELDS = array(
        'product_id',
        'warehouse_id',
        'qty'
    );

    /**
     * @var MouvmeentStock $stockmovement {@type MouvementStock}
     */
    public $stockmovement;

    /**
     * Constructor
     */
    function __construct()
    {
		global $db, $conf;
		$this->db = $db;
        $this->stockmovement = new MouvementStock($this->db);
    }

    /**
     * Get properties of a stock movement object
     *
     * Return an array with stock movement informations
     *
     * @param 	int 	$id ID of movement
     * @return 	array|mixed data without useless information
	 * 
     * @throws 	RestException
     */
    /*
    function get($id)
    {		
		if(! DolibarrApiAccess::$user->rights->stock->lire) {
			throw new RestException(401);
		}
			
        $result = $this->stockmovement->fetch($id);
        if( ! $result ) {
            throw new RestException(404, 'warehouse not found');
        }
		
		if( ! DolibarrApi::_checkAccessToResource('warehouse',$this->stockmovement->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}

		return $this->_cleanObjectDatas($this->stockmovement);
    }*/

    /**
     * Get a list of stock movement
     *
     * @param string	$sortfield	Sort field
     * @param string	$sortorder	Sort order
     * @param int		$limit		Limit for list
     * @param int		$page		Page number
     * @param string    $sqlfilters Other criteria to filter answers separated by a comma. Syntax example "(t.product_id:=:1) and (t.date_creation:<:'20160101')"
     * @return array                Array of warehouse objects
     *
	 * @throws RestException
     */
    function index($sortfield = "t.rowid", $sortorder = 'ASC', $limit = 0, $page = 0, $sqlfilters = '') {
        global $db, $conf;
        
        $obj_ret = array();
        
         if(! DolibarrApiAccess::$user->rights->stock->lire) {
			throw new RestException(401);
		}
        
        $sql = "SELECT t.rowid";
        $sql.= " FROM ".MAIN_DB_PREFIX."stock_mouvement as t";
        //$sql.= ' WHERE t.entity IN ('.getEntity('stock', 1).')';
        $sql.= ' WHERE 1 = 1';
        // Add sql filters
        if ($sqlfilters) 
        {
            if (! DolibarrApi::_checkFilters($sqlfilters))
            {
                throw new RestException(503, 'Error when validating parameter sqlfilters '.$sqlfilters);
            }
	        $regexstring='\(([^:\'\(\)]+:[^:\'\(\)]+:[^:\(\)]+)\)';
            $sql.=" AND (".preg_replace_callback('/'.$regexstring.'/', 'DolibarrApi::_forge_criteria_callback', $sqlfilters).")";
        }
        
        $sql.= $db->order($sortfield, $sortorder);
        if ($limit)	{
            if ($page < 0)
            {
                $page = 0;
            }
            $offset = $limit * $page;

            $sql.= $db->plimit($limit + 1, $offset);
        }

        $result = $db->query($sql);
        if ($result)
        {
        	$i=0;
            $num = $db->num_rows($result);
            $min = min($num, ($limit <= 0 ? $num : $limit));
            while ($i < $min)
            {
                $obj = $db->fetch_object($result);
                $stockmovement_static = new MouvementStock($db);
                if($stockmovement_static->fetch($obj->rowid)) {
                    $obj_ret[] = $this->_cleanObjectDatas($stockmovement_static);
                }
                $i++;
            }
        }
        else {
            throw new RestException(503, 'Error when retrieve stock movement list : '.$db->lasterror());
        }
        if( ! count($obj_ret)) {
            throw new RestException(404, 'No stock movement found');
        }
		return $obj_ret;
    }

/*
    * @param   int     $product_id         Id product id {@min 1}
    * @param   int     $warehouse_id       Id warehouse {@min 1}
    * @param   float   $qty                Qty to add (Use negative value for a stock decrease) {@min 0} {@message qty must be higher than 0}
    * @param   string  $lot                Lot
    * @param   string  $movementcode       Movement code {@example INV123}
    * @param   string  $movementlabel      Movement label {@example Inventory number 123}
    * @param   string  $price              To update AWP (Average Weighted Price) when you make a stock increase (qty must be higher then 0).
    */
    
    
    /**
     * Create stock movement object.
     * You can use the following message to test this RES API:
     * { "product_id": 1, "warehouse_id": 1, "qty": 1, "lot": "", "movementcode": "INV123", "movementlabel": "Inventory 123", "price": 0 }
     * 
     * @param array $request_data   Request data
     * @return  int                         ID of stock movement
     */
    //function post($product_id, $warehouse_id, $qty, $lot='', $movementcode='', $movementlabel='', $price=0)
    function post($request_data = NULL)
    {
        if(! DolibarrApiAccess::$user->rights->stock->creer) {
			throw new RestException(401);
		}

        // Check mandatory fields
        //$result = $this->_validate($request_data);
        
        foreach($request_data as $field => $value) {
            //$this->stockmovement->$field = $value;
            if ($field == 'product_id') $product_id = $value;
            if ($field == 'warehouse_id') $warehouse_id = $value;
            if ($field == 'qty') $qty = $value;
            if ($field == 'lot') $lot = $value;
            if ($field == 'movementcode') $movementcode = $value;
            if ($field == 'movementlabel') $movementlabel = $value;
            if ($field == 'price') $price = $value;
        }
        
        // Type increase or decrease
        if ($qty >= 0) $type = 3;
        else $type = 2;

        if($this->stockmovement->_create(DolibarrApiAccess::$user, $product_id, $warehouse_id, $qty, $type, $price, $movementlabel, $movementcode, '', '', '', $lot) <= 0) {
            throw new RestException(503, 'Error when create stock movement : '.$this->stockmovement->error);
        }
        
        return $this->stockmovement->id;
    }

    /**
     * Update stock movement
     * 
     * @param int   $id             Id of warehouse to update
     * @param array $request_data   Datas   
     * @return int 
     */
    /*
    function put($id, $request_data = NULL)
    {
        if(! DolibarrApiAccess::$user->rights->stock->creer) {
			throw new RestException(401);
		}
        
        $result = $this->stockmovement->fetch($id);
        if( ! $result ) {
            throw new RestException(404, 'stock movement not found');
        }
		
		if( ! DolibarrApi::_checkAccessToResource('stock',$this->stockmovement->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}

        foreach($request_data as $field => $value) {
            if ($field == 'id') continue;
            $this->stockmovement->$field = $value;
        }
        
        if($this->stockmovement->update($id, DolibarrApiAccess::$user))
            return $this->get ($id);
        
        return false;
    }*/
    
    /**
     * Delete stock movement
     *
     * @param int $id   Stock movement ID
     * @return array
     */
    /*
    function delete($id)
    {
        if(! DolibarrApiAccess::$user->rights->stock->supprimer) {
			throw new RestException(401);
		}
        $result = $this->stockmovement->fetch($id);
        if( ! $result ) {
            throw new RestException(404, 'stock movement not found');
        }
		
		if( ! DolibarrApi::_checkAccessToResource('stock',$this->stockmovement->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}
        
        if (! $this->stockmovement->delete(DolibarrApiAccess::$user)) {
            throw new RestException(401,'error when delete stock movement');
        }
        
        return array(
            'success' => array(
                'code' => 200,
                'message' => 'Warehouse deleted'
            )
        );
    }*/
    
        
        
    /**
     * Clean sensible object datas
     *
     * @param   MouvementStock  $object    Object to clean
     * @return    array    Array of cleaned object properties
     */
    function _cleanObjectDatas($object) {
    
        $object = parent::_cleanObjectDatas($object);
    
        // Remove useless data
        unset($object->civility_id);
        unset($object->firstname);
        unset($object->lastname);
        unset($object->name);
        unset($object->location_incoterms);
        unset($object->libelle_incoterms);
        unset($object->fk_incoterms);
        unset($object->lines);
        unset($object->total_ht);
        unset($object->total_ttc);
        unset($object->total_tva);
        unset($object->total_localtax1);
        unset($object->total_localtax2);
        unset($object->note);
        unset($object->note_private);
        unset($object->note_public);
        unset($object->shipping_method_id);
        unset($object->fk_account);
        unset($object->modelpdf);
        unset($object->fk_delivery_address);
        unset($object->cond_reglement);
        unset($object->cond_reglement_id);
        unset($object->mode_reglement_id);
        unset($object->barcode_type_coder);
        unset($object->barcode_type_label);
        unset($object->barcode_type_code);
        unset($object->barcode_type);
        unset($object->country_code);
        unset($object->country_id);
        unset($object->country);
        unset($object->thirdparty);
        unset($object->contact);
        unset($object->contact_id);
        unset($object->user);
        unset($object->fk_project);
        unset($object->project);
        
        //unset($object->eatby);        Filled correctly in read mode
        //unset($object->sellby);       Filled correctly in read mode
        
        return $object;
    }
        
    /**
     * Validate fields before create or update object
     * 
     * @param array|null    $data    Data to validate
     * @return array
     * 
     * @throws RestException
     */
    function _validate($data)
    {
        $stockmovement = array();
        foreach (Warehouses::$FIELDS as $field) {
            if (!isset($data[$field]))
                throw new RestException(400, "$field field missing");
            $stockmovement[$field] = $data[$field];
        }
        return $stockmovement;
    }
}
