<?php
/* Copyright (C) 2015       Jean-François Ferry     <jfefe@aternatik.fr>
 * Copyright (C) 2019       Frédéric France         <frederic.france@netlogic.fr>
 *
 * 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;

dol_include_once('/zapier/class/hook.class.php');


/**
 * \file    htdocs/zapier/class/api_zapier.class.php
 * \ingroup zapier
 * \brief   File for API management of hook.
 */

/**
 * API class for zapier hook
 *
 * @access protected
 * @class  DolibarrApiAccess {@requires user,external}
 */
class ZapierApi extends DolibarrApi
{
    /**
     * @var array   $FIELDS     Mandatory fields, checked when create and update object
     */
    static $FIELDS = array(
        'url',
    );


    /**
     * @var Hook $hook {@type Hook}
     */
    public $hook;

    /**
     * Constructor
     *
     * @url     GET /
     *
     */
    public function __construct()
    {
        global $db, $conf;
        $this->db = $db;
        $this->hook = new Hook($this->db);
    }

    /**
     * Get properties of a hook object
     *
     * Return an array with hook informations
     *
     * @param   int             $id ID of hook
     * @return  array|mixed     data without useless information
     *
     * @url GET /hooks/{id}
     * @throws  RestException
     */
    public function get($id)
    {
        if (!DolibarrApiAccess::$user->rights->zapier->read) {
            throw new RestException(401);
        }

        $result = $this->hook->fetch($id);
        if (!$result) {
            throw new RestException(404, 'Hook not found');
        }

        if (!DolibarrApi::_checkAccessToResource('hook', $this->hook->id)) {
            throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
        }

        return $this->_cleanObjectDatas($this->hook);
    }


    /**
     * Get list of possibles choices for module
     *
     * Return an array with hook informations
     * @param integer $id ID
     *
     * @return  array|mixed     data
     *
     * @url GET /getmoduleschoices/
     * @throws  RestException
     */
    public function getModulesChoices($id)
    {
        if (!DolibarrApiAccess::$user->rights->zapier->read) {
            throw new RestException(401);
        }
        $arraychoices = array(
            'invoices' => 'Invoices',
            'orders' => 'Orders',
            'thirdparties' => 'Thirparties',
            'contacts' => 'Contacts',
        );
        // $result = $this->hook->fetch($id);
        // if (! $result ) {
        //     throw new RestException(404, 'Hook not found');
        // }

        // if (! DolibarrApi::_checkAccessToResource('hook', $this->hook->id)) {
        //     throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
        // }

        return $arraychoices;
    }


    /**
     * List hooks
     *
     * Get a list of hooks
     *
     * @param string	       $sortfield	        Sort field
     * @param string	       $sortorder	        Sort order
     * @param int		       $limit		        Limit for list
     * @param int		       $page		        Page number
     * @param string           $sqlfilters          Other criteria to filter answers separated by a comma. Syntax example "(t.ref:like:'SO-%') and (t.date_creation:<:'20160101')"
     * @return  array                               Array of order objects
     *
     * @throws RestException
     *
     * @url GET /hooks/
     */
    public function index($sortfield = "t.rowid", $sortorder = 'ASC', $limit = 100, $page = 0, $sqlfilters = '')
    {
        global $db, $conf;

        $obj_ret = array();

        $socid = DolibarrApiAccess::$user->socid ? DolibarrApiAccess::$user->socid : '';

        // Set to 1 if there is a field socid in table of object
        $restrictonsocid = 0;

        // If the internal user must only see his customers, force searching by him
        $search_sale = 0;
        if ($restrictonsocid && !DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) {
            $search_sale = DolibarrApiAccess::$user->id;
        }

        $sql = "SELECT t.rowid";
        if ($restrictonsocid && (!DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) || $search_sale > 0) {
            // We need these fields in order to filter by sale (including the case where the user can only see his prospects)
            $sql .= ", sc.fk_soc, sc.fk_user";
        }
        $sql .= " FROM ".MAIN_DB_PREFIX."hook_mytable as t";

        if ($restrictonsocid && (!DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) || $search_sale > 0) $sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc"; // We need this table joined to the select in order to filter by sale
        $sql .= " WHERE 1 = 1";

        // Example of use $mode
        //if ($mode == 1) $sql.= " AND s.client IN (1, 3)";
        //if ($mode == 2) $sql.= " AND s.client IN (2, 3)";

        $tmpobject = new Hook($db);
        if ($tmpobject->ismultientitymanaged) {
            $sql .= ' AND t.entity IN ('.getEntity('hook').')';
        }
        if ($restrictonsocid && (!DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) || $search_sale > 0) {
            $sql .= " AND t.fk_soc = sc.fk_soc";
        }
        if ($restrictonsocid && $socid) {
            $sql .= " AND t.fk_soc = ".$socid;
        }
        if ($restrictonsocid && $search_sale > 0) {
            // Join for the needed table to filter by sale
            $sql .= " AND t.rowid = sc.fk_soc";
        }
        // Insert sale filter
        if ($restrictonsocid && $search_sale > 0) {
            $sql .= " AND sc.fk_user = ".$search_sale;
        }
        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);
		$i = 0;
        if ($result) {
            $num = $db->num_rows($result);
            while ($i < $num) {
                $obj = $db->fetch_object($result);
                $hook_static = new Hook($db);
                if ($hook_static->fetch($obj->rowid)) {
                    $obj_ret[] = $this->_cleanObjectDatas($hook_static);
                }
                $i++;
            }
        } else {
            throw new RestException(503, 'Error when retrieve hook list');
        }
        if (!count($obj_ret)) {
            throw new RestException(404, 'No hook found');
        }
        return $obj_ret;
    }

    /**
     * Create hook object
     *
     * @param array $request_data   Request datas
     * @return int  ID of hook
     *
     * @url	POST /hook/
     */
    public function post($request_data = null)
    {
        if (!DolibarrApiAccess::$user->rights->zapier->write) {
            throw new RestException(401);
        }
        // Check mandatory fields
        $fields = array(
            'url',
        );
        $result = $this->validate($request_data, $fields);

        foreach ($request_data as $field => $value) {
            $this->hook->$field = $value;
        }
        $this->hook->fk_user = DolibarrApiAccess::$user->id;
        // on crée le hook dans la base
        if (!$this->hook->create(DolibarrApiAccess::$user)) {
            throw new RestException(500, "Error creating Hook", array_merge(array($this->hook->error), $this->hook->errors));
        }
        return array(
            'id' => $this->hook->id,
        );
    }

    // /**
    //  * Update hook
    //  *
    //  * @param int   $id             Id of hook to update
    //  * @param array $request_data   Datas
    //  * @return int
    //  *
    //  * @url	PUT /hooks/{id}
    //  */
    /*public function put($id, $request_data = null)
    {
        if (! DolibarrApiAccess::$user->rights->zapier->write) {
            throw new RestException(401);
        }

        $result = $this->hook->fetch($id);
        if( ! $result ) {
            throw new RestException(404, 'Hook not found');
        }

        if( ! DolibarrApi::_checkAccessToResource('hook', $this->hook->id)) {
            throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
        }

        foreach($request_data as $field => $value) {
            if ($field == 'id') {
                continue;
            }
            $this->hook->$field = $value;
        }

        if ($this->hook->update($id, DolibarrApiAccess::$user) > 0) {
            return $this->get($id);
        } else {
            throw new RestException(500, $this->hook->error);
        }
    }*/

    /**
     * Delete hook
     *
     * @param   int     $id   Hook ID
     * @return  array
     *
     * @url DELETE /hook/{id}
     */
    public function delete($id)
    {
        if (!DolibarrApiAccess::$user->rights->zapier->delete) {
            throw new RestException(401);
        }
        $result = $this->hook->fetch($id);
        if (!$result) {
            throw new RestException(404, 'Hook not found');
        }

        if (!DolibarrApi::_checkAccessToResource('hook', $this->hook->id)) {
            throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
        }

        if (!$this->hook->delete(DolibarrApiAccess::$user)) {
            throw new RestException(500, 'Error when deleting Hook : '.$this->hook->error);
        }

        return array(
            'success' => array(
                'code' => 200,
                'message' => 'Hook deleted'
            )
        );
    }

    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
    /**
     * Clean sensible object datas
     *
     * @param   object  $object    Object to clean
     * @return  array    Array of cleaned object properties
     */
    public function _cleanObjectDatas($object)
    {
        // phpcs:disable
        $object = parent::_cleanObjectDatas($object);

        /*unset($object->note);
        unset($object->address);
        unset($object->barcode_type);
        unset($object->barcode_type_code);
        unset($object->barcode_type_label);
        unset($object->barcode_type_coder);*/

        return $object;
    }

    /**
     * Validate fields before create or update object
     *
     * @param   array       $data       Array of data to validate
     * @param   array       $fields     Array of fields needed
     * @return  array
     *
     * @throws  RestException
     */
    private function validate($data, $fields)
    {
        $hook = array();
        foreach ($fields as $field) {
            if (!isset($data[$field])) {
                throw new RestException(400, $field." field missing");
            }
            $hook[$field] = $data[$field];
        }
        return $hook;
    }
}