import {User, UserRoles} from "../../../common/entities/User";
import {IUserManager} from "../IUserManager";
export class UserManager implements IUserManager{

    private  users = [new User(1,"developer", "developer", UserRoles.Developer),
                        new User(2,"admin", "admin", UserRoles.Admin),
                        new User(3,"user", "user", UserRoles.User),
                        new User(4,"guest", "guest", UserRoles.Guest)];

    public findOne(filter,cb:(error: any,result:User) => void){
        return cb(null, this.users[1]);
    }

    public find(filter,cb:(error: any,result:Array<User>) => void){
        return cb(null, this.users);
    }

    public createUser(user,cb:(error: any,result:User) => void){

        this.users.push(user);
        return cb(null, user);
    }

    public deleteUser(id:number,cb:(error: any) => void){
        this.users = this.users.filter(u => u.id != id);
        return cb(null);
    }
    
    public changeRole(id:number, newRole:UserRoles, cb:(error: any,result:string) => void){
        for(let i = 0; i < this.users.length; i++){
            if (this.users[i].id === id){
                this.users[i].role = newRole;
                return cb(null,"ok");
            }
        }
    }
    public changePassword(request:any,cb:(error: any,result:string) => void){
        throw new Error("not implemented"); //TODO: implement
    }

}