<?php
/**
 * Created by PhpStorm.
 * User: lucas
 * Date: 15/03/18
 * Time: 11:47
 */

namespace api\module;


use database\core\Repo;
use database\repo\database;
use database\repo\department;
use database\repo\meta;
use database\repo\professor;

class departmentController
{

	/* (1) Get 1 | all departments
	*
	* @id_dep<int>						[OPT] Department id
	*
	* @return departments<array>		Matching departments
	*
	---------------------------------------------------------*/
	public function get($args){
		$id_dep = null;
		extract($args);

		/** @var meta $meta_repo */
		$meta_repo = Repo::getRepo('meta');

		/* (1) Get the list of linked departments for this @cas_login */
		$departments = $meta_repo->get_prof_departments($_SESSION['CAS']['login']);

		/* (2) If no @id_dep -> return all */
		if( is_null($id_dep) )
			return ['departments' => $departments];

		/* (3) If @id_dep -> Only add elements that are @id_dep */
		$filtered = [];

		foreach($departments as $dep){

			if( $dep['idDep'] == $id_dep ){
				$filtered[] = $dep;
				break;
			}

		}

		/* (4) Return filtered departments */
		return ['departments' => $filtered];

	}


	public function put($args){
		$department = 0;
		extract($args);


		/** @var meta $meta_repo */
		$meta_repo = Repo::getRepo('meta');


		$deps = $meta_repo->get_prof_departments($_SESSION['CAS']['login']);


		if( count($deps) > 0 ){

			foreach($deps as $dep){

				if( $dep['idDep'] == $department ){

					$_SESSION['AvailableDepartments'] = $deps;
					$_SESSION['CurrentDepartmentId']  = $dep['idDep'];
					$_SESSION['VERSION'] = [
						'list' => $dep['versions'],
						'current' => null
					];

					// select version with default = 1
					foreach($_SESSION['VERSION']['list'] as $v){
						if( $v['default'] == 1 ){
							$_SESSION['VERSION']['current'] = intval($v['iddatabase']);
							$_SESSION['CurrentDatabase'] = $v['dbName'];
							break;
						}
					}

					// if no default -> select first
					if( !is_int($_SESSION['VERSION']) ){
						$_SESSION['VERSION']['current'] = intval($_SESSION['VERSION']['list'][0]['iddatabase']);
						$_SESSION['CurrentDatabase'] = $_SESSION['VERSION']['list'][0]['dbName'];
					}

					return ['switched' => true];

				}

			}
		}

		return ['switched' => false];

	}


	public function post($args){
	    $name = null;
	    extract($args);

	    /** @var meta $metaRepo */
        $metaRepo = Repo::getRepo("meta");
        /** @var professor $profRep */
        $profRep = Repo::getRepo("professor");
        /** @var database $dbRepo */
        $dbRepo = Repo::getRepo("database");

        //create the department in the meta database
        $depId = $metaRepo->createDepartment($name);

        //link the current user to that department
        $metaRepo->link($_SESSION['CAS']['login'],$depId);

        //create the database and init the structure
        $dbName = $dbRepo->init($depId);

        //link the new database to the department
        $metaRepo->createVersion("Version 1",$dbName,$depId,true);

        //get the current user data from current department
        $user = $profRep->get($_SESSION['CAS']['id'])[0];

        //switch our connexion to that database
        Repo::switchDatabase($dbName);

        //create the default admin in the new database (categories are common to all department)
        $profRep->create($user["lastName"],
            $user["firstName"],
            $user["Categorie_idCategorie"],
            $user["hoursToDo"],
            $user["abreviation"],
            true,
            $user["casLogin"]);

        //update user session
        $departments = $metaRepo->get_prof_departments($user["casLogin"]);
        $_SESSION['AvailableDepartments'] = $departments;
        
        //we are good now
        return ["success" => true];

    }

}