<?php
/* Copyright (C) 2015   Jean-François Ferry     <jfefe@aternatik.fr>
 * 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 <https://www.gnu.org/licenses/>.
 */

 use Luracast\Restler\RestException;

 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';

/**
 * API class for Interventions
 *
 * @access protected
 * @class  DolibarrApiAccess {@requires user,external}
 */
class Interventions extends DolibarrApi
{

	/**
	 * @var array   $FIELDS     Mandatory fields, checked when create and update object
	 */
	public static $FIELDS = array(
	  'socid',
	  'fk_project',
	  'description',
	);

	/**
	 * @var array   $FIELDS     Mandatory fields, checked when create and update object
	 */
	public static $FIELDSLINE = array(
	  'description',
	  'date',
	  'duree',
	);

	/**
	 * @var fichinter $fichinter {@type fichinter}
	 */
	public $fichinter;

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

	/**
	 * Get properties of a Expense Report object
	 *
	 * Return an array with Expense Report information
	 *
	 * @param       int         $id         ID of Expense Report
	 * @return 	    array|mixed             Data without useless information
	 *
	 * @throws 	RestException
	 */
	public function get($id)
	{
		if (!DolibarrApiAccess::$user->rights->ficheinter->lire) {
			throw new RestException(401);
		}

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

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

		$this->fichinter->fetchObjectLinked();
		return $this->_cleanObjectDatas($this->fichinter);
	}

	/**
	 * List of interventions
	 *
	 * Return a list of interventions
	 *
	 * @param string	       $sortfield	        Sort field
	 * @param string	       $sortorder	        Sort order
	 * @param int	       $limit		        Limit for list
	 * @param int	       $page		        Page number
	 * @param string   	       $thirdparty_ids	        Thirdparty ids to filter orders of (example '1' or '1,2,3') {@pattern /^[0-9,]*$/i}
	 * @param string           $sqlfilters              Other criteria to filter answers separated by a comma. Syntax example "(t.ref:like:'SO-%') and (t.date_creation:<:'20160101')"
	 * @return  array                                   Array of order objects
	 *
	 * @throws RestException
	 */
	public function index($sortfield = "t.rowid", $sortorder = 'ASC', $limit = 100, $page = 0, $thirdparty_ids = '', $sqlfilters = '')
	{
		global $db, $conf;

		if (!DolibarrApiAccess::$user->rights->ficheinter->lire) {
			throw new RestException(401);
		}

		$obj_ret = array();

		// case of external user, $thirdparty_ids param is ignored and replaced by user's socid
		$socids = DolibarrApiAccess::$user->socid ? DolibarrApiAccess::$user->socid : $thirdparty_ids;

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

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

		if ((!DolibarrApiAccess::$user->rights->societe->client->voir && !$socids) || $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
		}

		$sql .= ' WHERE t.entity IN ('.getEntity('intervention').')';
		if ((!DolibarrApiAccess::$user->rights->societe->client->voir && !$socids) || $search_sale > 0) {
			$sql .= " AND t.fk_soc = sc.fk_soc";
		}
		if ($socids) {
			$sql .= " AND t.fk_soc IN (".$this->db->sanitize($socids).")";
		}
		if ($search_sale > 0) {
			$sql .= " AND t.rowid = sc.fk_soc"; // Join for the needed table to filter by sale
		}
		// Insert sale filter
		if ($search_sale > 0) {
			$sql .= " AND sc.fk_user = ".((int) $search_sale);
		}
		// Add sql filters
		if ($sqlfilters) {
			$errormessage = '';
			if (!DolibarrApi::_checkFilters($sqlfilters, $errormessage)) {
				throw new RestException(503, 'Error when validating parameter sqlfilters -> '.$errormessage);
			}
			$regexstring = '\(([^:\'\(\)]+:[^:\'\(\)]+:[^\(\)]+)\)';
			$sql .= " AND (".preg_replace_callback('/'.$regexstring.'/', 'DolibarrApi::_forge_criteria_callback', $sqlfilters).")";
		}

		$sql .= $this->db->order($sortfield, $sortorder);
		if ($limit) {
			if ($page < 0) {
				$page = 0;
			}
			$offset = $limit * $page;

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

		dol_syslog("API Rest request");
		$result = $this->db->query($sql);

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

	/**
	 * Create intervention object
	 *
	 * @param   array   $request_data   Request data
	 * @return  int     ID of intervention
	 */
	public function post($request_data = null)
	{
		if (!DolibarrApiAccess::$user->rights->ficheinter->creer) {
			throw new RestException(401, "Insuffisant rights");
		}
		// Check mandatory fields
		$result = $this->_validate($request_data);
		foreach ($request_data as $field => $value) {
			$this->fichinter->$field = $value;
		}

		if ($this->fichinter->create(DolibarrApiAccess::$user) < 0) {
			throw new RestException(500, "Error creating intervention", array_merge(array($this->fichinter->error), $this->fichinter->errors));
		}

		return $this->fichinter->id;
	}


	/**
	 * Get lines of an intervention
	 *
	 * @param int   $id             Id of intervention
	 *
	 * @url	GET {id}/lines
	 *
	 * @return int
	 */
	/* TODO
	public function getLines($id)
	{
		if(! DolibarrApiAccess::$user->rights->ficheinter->lire) {
			throw new RestException(401);
		}

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

		if( ! DolibarrApi::_checkAccessToResource('fichinter',$this->fichinter->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}
		$this->fichinter->getLinesArray();
		$result = array();
		foreach ($this->fichinter->lines as $line) {
			array_push($result,$this->_cleanObjectDatas($line));
		}
		return $result;
	}
	*/

	/**
	 * Add a line to given intervention
	 *
	 * @param 	int   	$id             Id of intervention to update
	 * @param   array   $request_data   Request data
	 *
	 * @url     POST {id}/lines
	 *
	 * @return  int
	 */
	public function postLine($id, $request_data = null)
	{
		if (!DolibarrApiAccess::$user->rights->ficheinter->creer) {
			throw new RestException(401, "Insuffisant rights");
		}
		// Check mandatory fields
		$result = $this->_validateLine($request_data);

		foreach ($request_data as $field => $value) {
			$this->fichinter->$field = $value;
		}

		if (!$result) {
			throw new RestException(404, 'Intervention not found');
		}

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

		$updateRes = $this->fichinter->addLine(
			DolibarrApiAccess::$user,
			$id,
			$this->fichinter->description,
			$this->fichinter->date,
			$this->fichinter->duree
		);

		if ($updateRes > 0) {
			return $updateRes;
		} else {
			throw new RestException(400, $this->fichinter->error);
		}
	}

	/**
	 * Delete order
	 *
	 * @param   int     $id         Order ID
	 * @return  array
	 */
	public function delete($id)
	{
		if (!DolibarrApiAccess::$user->rights->ficheinter->supprimer) {
			throw new RestException(401);
		}
		$result = $this->fichinter->fetch($id);
		if (!$result) {
			throw new RestException(404, 'Intervention not found');
		}

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

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

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

	/**
	 * Validate an intervention
	 *
	 * If you get a bad value for param notrigger check, provide this in body
	 * {
	 *   "notrigger": 0
	 * }
	 *
	 * @param   int $id             Intervention ID
	 * @param   int $notrigger      1=Does not execute triggers, 0= execute triggers
	 *
	 * @url POST    {id}/validate
	 *
	 * @return  array
	 */
	public function validate($id, $notrigger = 0)
	{
		if (!DolibarrApiAccess::$user->rights->ficheinter->creer) {
			throw new RestException(401, "Insuffisant rights");
		}
		$result = $this->fichinter->fetch($id);
		if (!$result) {
			throw new RestException(404, 'Intervention not found');
		}

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

		$result = $this->fichinter->setValid(DolibarrApiAccess::$user, $notrigger);
		if ($result == 0) {
			throw new RestException(304, 'Error nothing done. May be object is already validated');
		}
		if ($result < 0) {
			throw new RestException(500, 'Error when validating Intervention: '.$this->commande->error);
		}

		$this->fichinter->fetchObjectLinked();

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

	/**
	 * Close an intervention
	 *
	 * @param   int 	$id             Intervention ID
	 *
	 * @url POST    {id}/close
	 *
	 * @return  array
	 */
	public function closeFichinter($id)
	{
		if (!DolibarrApiAccess::$user->rights->ficheinter->creer) {
			throw new RestException(401, "Insuffisant rights");
		}
		$result = $this->fichinter->fetch($id);
		if (!$result) {
			throw new RestException(404, 'Intervention not found');
		}

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

		$result = $this->fichinter->setStatut(3);

		if ($result == 0) {
			throw new RestException(304, 'Error nothing done. May be object is already closed');
		}
		if ($result < 0) {
			throw new RestException(500, 'Error when closing Intervention: '.$this->fichinter->error);
		}

		$this->fichinter->fetchObjectLinked();

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

	/**
	 * Validate fields before create or update object
	 *
	 * @param array $data   Data to validate
	 * @return array
	 *
	 * @throws RestException
	 */
	private function _validate($data)
	{
		$fichinter = array();
		foreach (Interventions::$FIELDS as $field) {
			if (!isset($data[$field])) {
				throw new RestException(400, "$field field missing");
			}
			$fichinter[$field] = $data[$field];
		}
		return $fichinter;
	}


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

		unset($object->statuts_short);
		unset($object->statuts_logo);
		unset($object->statuts);

		return $object;
	}

	/**
	 * Validate fields before create or update object
	 *
	 * @param array $data   Data to validate
	 * @return array
	 *
	 * @throws RestException
	 */
	private function _validateLine($data)
	{
		$fichinter = array();
		foreach (Interventions::$FIELDSLINE as $field) {
			if (!isset($data[$field])) {
				throw new RestException(400, "$field field missing");
			}
			$fichinter[$field] = $data[$field];
		}
		return $fichinter;
	}
}