<?php
/* Copyright (C) 2016	Xebax Christy	<xebax@wanadoo.fr>
 * Copyright (C) 2017	Regis Houssin	<regis.houssin@inodbox.com>
 * Copyright (C) 2020	Thibault FOUCART<support@ptibogxiv.net>
 * Copyright (C) 2020	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 <https://www.gnu.org/licenses/>.
 */

use Luracast\Restler\RestException;

require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
require_once DOL_DOCUMENT_ROOT.'/adherents/class/subscription.class.php';
require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';

/**
 * API class for members
 *
 * @access protected
 * @class  DolibarrApiAccess {@requires user,external}
 */
class Members extends DolibarrApi
{
	/**
	 * @var array   $FIELDS     Mandatory fields, checked when create and update object
	 */
	public static $FIELDS = array(
		'morphy',
		'typeid'
	);

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

	/**
	 * Get properties of a member object
	 *
	 * Return an array with member informations
	 *
	 * @param     int     $id ID of member
	 * @return    array|mixed data without useless information
	 *
	 * @throws    RestException
	 */
	public function get($id)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'lire')) {
			throw new RestException(401);
		}

		$member = new Adherent($this->db);
		if ($id == 0) {
			$result = $member->initAsSpecimen();
		} else {
			$result = $member->fetch($id);
		}
		if (!$result) {
			throw new RestException(404, 'member not found');
		}

		if (!DolibarrApi::_checkAccessToResource('adherent', $member->id) && $id > 0) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}

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

	/**
	 * Get properties of a member object by linked thirdparty
	 *
	 * Return an array with member informations
	 *
	 * @param     int     $thirdparty 	ID of third party
	 *
	 * @return Object 					Data without useless information
	 *
	 * @url GET thirdparty/{thirdparty}
	 *
	 * @throws RestException 401
	 * @throws RestException 404
	 */
	public function getByThirdparty($thirdparty)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'lire')) {
			throw new RestException(401);
		}

		$member = new Adherent($this->db);
		$result = $member->fetch('', '', $thirdparty);
		if (!$result) {
			throw new RestException(404, 'member not found');
		}

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

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

	/**
	 * Get properties of a member object by linked thirdparty email
	 *
	 * Return an array with member informations
	 *
	 * @param  string $email            Email of third party
	 *
	 * @return Object 					Data without useless information
	 *
	 * @url GET thirdparty/email/{email}
	 *
	 * @throws RestException 401
	 * @throws RestException 404
	 */
	public function getByThirdpartyEmail($email)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'lire')) {
			throw new RestException(401);
		}

		$thirdparty = new Societe($this->db);
		$result = $thirdparty->fetch('', '', '', '', '', '', '', '', '', '', $email);
		if (!$result) {
			throw new RestException(404, 'thirdparty not found');
		}

		$member = new Adherent($this->db);
		$result = $member->fetch('', '', $thirdparty->id);
		if (!$result) {
			throw new RestException(404, 'member not found');
		}

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

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

	/**
	 * Get properties of a member object by linked thirdparty barcode
	 *
	 * Return an array with member informations
	 *
	 * @param  string $barcode      	Barcode of third party
	 *
	 * @return Object 					Data without useless information
	 *
	 * @url GET thirdparty/barcode/{barcode}
	 *
	 * @throws RestException 401
	 * @throws RestException 404
	 */
	public function getByThirdpartyBarcode($barcode)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'lire')) {
			throw new RestException(401);
		}

		$thirdparty = new Societe($this->db);
		$result = $thirdparty->fetch('', '', '', $barcode);
		if (!$result) {
			throw new RestException(404, 'thirdparty not found');
		}

		$member = new Adherent($this->db);
		$result = $member->fetch('', '', $thirdparty->id);
		if (!$result) {
			throw new RestException(404, 'member not found');
		}

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

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

	/**
	 * List members
	 *
	 * Get a list of members
	 *
	 * @param string    $sortfield  Sort field
	 * @param string    $sortorder  Sort order
	 * @param int       $limit      Limit for list
	 * @param int       $page       Page number
	 * @param string    $typeid     ID of the type of member
	 * @param int    	$category   Use this param to filter list by category
	 * @param string    $sqlfilters Other criteria to filter answers separated by a comma.
	 *                              Example: "(t.ref:like:'SO-%') and ((t.date_creation:<:'20160101') or (t.nature:is:NULL))"
	 * @return array                Array of member objects
	 *
	 * @throws RestException
	 */
	public function index($sortfield = "t.rowid", $sortorder = 'ASC', $limit = 100, $page = 0, $typeid = '', $category = 0, $sqlfilters = '')
	{
		global $db, $conf;

		$obj_ret = array();

		if (!DolibarrApiAccess::$user->hasRight('adherent', 'lire')) {
			throw new RestException(401);
		}

		$sql = "SELECT t.rowid";
		$sql .= " FROM ".MAIN_DB_PREFIX."adherent as t";
		if ($category > 0) {
			$sql .= ", ".MAIN_DB_PREFIX."categorie_member as c";
		}
		$sql .= ' WHERE t.entity IN ('.getEntity('adherent').')';
		if (!empty($typeid)) {
			$sql .= ' AND t.fk_adherent_type='.((int) $typeid);
		}
		// Select members of given category
		if ($category > 0) {
			$sql .= " AND c.fk_categorie = ".((int) $category);
			$sql .= " AND c.fk_member = t.rowid";
		}
		// Add sql filters
		if ($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);
		}

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

		return $obj_ret;
	}

	/**
	 * Create member object
	 *
	 * @param array $request_data   Request data
	 * @return int  ID of member
	 */
	public function post($request_data = null)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'creer')) {
			throw new RestException(401);
		}
		// Check mandatory fields
		$result = $this->_validate($request_data);

		$member = new Adherent($this->db);
		foreach ($request_data as $field => $value) {
			$member->$field = $value;
		}
		if ($member->create(DolibarrApiAccess::$user) < 0) {
			throw new RestException(500, 'Error creating member', array_merge(array($member->error), $member->errors));
		}
		return $member->id;
	}

	/**
	 * Update member
	 *
	 * @param int   $id             ID of member to update
	 * @param array $request_data   Datas
	 * @return Object				Updated object
	 */
	public function put($id, $request_data = null)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'creer')) {
			throw new RestException(401);
		}

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

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

		foreach ($request_data as $field => $value) {
			if ($field == 'id') {
				continue;
			}
			// Process the status separately because it must be updated using
			// the validate(), resiliate() and exclude() methods of the class Adherent.
			if ($field == 'statut') {
				if ($value == '0') {
					$result = $member->resiliate(DolibarrApiAccess::$user);
					if ($result < 0) {
						throw new RestException(500, 'Error when resiliating member: '.$member->error);
					}
				} elseif ($value == '1') {
					$result = $member->validate(DolibarrApiAccess::$user);
					if ($result < 0) {
						throw new RestException(500, 'Error when validating member: '.$member->error);
					}
				} elseif ($value == '-2') {
					$result = $member->exclude(DolibarrApiAccess::$user);
					if ($result < 0) {
						throw new RestException(500, 'Error when excluding member: '.$member->error);
					}
				}
			} else {
				$member->$field = $value;
			}
		}

		// If there is no error, update() returns the number of affected rows
		// so if the update is a no op, the return value is zero.
		if ($member->update(DolibarrApiAccess::$user) >= 0) {
			return $this->get($id);
		} else {
			throw new RestException(500, 'Error when updating member: '.$member->error);
		}
	}

	/**
	 * Delete member
	 *
	 * @param int $id   member ID
	 * @return array
	 */
	public function delete($id)
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'supprimer')) {
			throw new RestException(401);
		}
		$member = new Adherent($this->db);
		$result = $member->fetch($id);
		if (!$result) {
			throw new RestException(404, 'member not found');
		}

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


		$res = $member->delete($member->id, DolibarrApiAccess::$user);
		if ($res < 0) {
			throw new RestException(500, "Can't delete, error occurs");
		} elseif ($res == 0) {
			throw new RestException(409, "Can't delete, that product is probably used");
		}

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

	/**
	 * Validate fields before creating an object
	 *
	 * @param array|null    $data   Data to validate
	 * @return array
	 *
	 * @throws RestException
	 */
	private function _validate($data)
	{
		$member = array();
		foreach (Members::$FIELDS as $field) {
			if (!isset($data[$field])) {
				throw new RestException(400, "$field field missing");
			}
			$member[$field] = $data[$field];
		}
		return $member;
	}

	// 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);

		// Remove the subscriptions because they are handled as a subresource.
		unset($object->subscriptions);
		unset($object->fk_incoterms);
		unset($object->label_incoterms);
		unset($object->location_incoterms);
		unset($object->fk_delivery_address);
		unset($object->shipping_method_id);

		unset($object->total_ht);
		unset($object->total_ttc);
		unset($object->total_tva);
		unset($object->total_localtax1);
		unset($object->total_localtax2);

		return $object;
	}

	/**
	 * List subscriptions of a member
	 *
	 * Get a list of subscriptions
	 *
	 * @param int $id ID of member
	 * @return array Array of subscription objects
	 *
	 * @throws RestException
	 *
	 * @url GET {id}/subscriptions
	 */
	public function getSubscriptions($id)
	{
		$obj_ret = array();

		if (!DolibarrApiAccess::$user->hasRight('adherent', 'cotisation', 'lire')) {
			throw new RestException(401);
		}

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

		$obj_ret = array();
		foreach ($member->subscriptions as $subscription) {
			$obj_ret[] = $this->_cleanObjectDatas($subscription);
		}
		return $obj_ret;
	}

	/**
	 * Add a subscription for a member
	 *
	 * @param int 		$id             ID of member
	 * @param string 	$start_date     Start date {@from body} {@type timestamp}
	 * @param string 	$end_date       End date {@from body} {@type timestamp}
	 * @param float 	$amount         Amount (may be 0) {@from body}
	 * @param string 	$label         	Label {@from body}
	 * @return int  ID of subscription
	 *
	 * @url POST {id}/subscriptions
	 */
	public function createSubscription($id, $start_date, $end_date, $amount, $label = '')
	{
		if (!DolibarrApiAccess::$user->hasRight('adherent', 'cotisation', 'creer')) {
			throw new RestException(401);
		}

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

		return $member->subscription($start_date, $amount, 0, '', $label, '', '', '', $end_date);
	}

	/**
	 * Get categories for a member
	 *
	 * @param int		$id         ID of member
	 * @param string		$sortfield	Sort field
	 * @param string		$sortorder	Sort order
	 * @param int		$limit		Limit for list
	 * @param int		$page		Page number
	 *
	 * @return mixed
	 *
	 * @url GET {id}/categories
	 */
	public function getCategories($id, $sortfield = "s.rowid", $sortorder = 'ASC', $limit = 0, $page = 0)
	{
		if (!DolibarrApiAccess::$user->rights->categorie->lire) {
			throw new RestException(401);
		}

		$categories = new Categorie($this->db);

		$result = $categories->getListForItem($id, 'member', $sortfield, $sortorder, $limit, $page);

		if (empty($result)) {
			throw new RestException(404, 'No category found');
		}

		if ($result < 0) {
			throw new RestException(503, 'Error when retrieve category list : '.$categories->error);
		}

		return $result;
	}
}