import Foundation

//: Playground - noun: a place where people can play

import UIKit

public class Users{
    public let username: String
    public var password: String
    public var name: String?
    public var surname : String?
    public var city: String?
    public let email: String

    public init(username:String,password:String,email:String){
        self.username = username
        self.password = password
        self.email = email

    }
    public func setUsername(newUsername: String){
        //You can't change username of already exist user.
    }
    public func getUsername()->String {
        return username
    }
    public func setPassw(newPassword: String){
        self.password = newPassword
    }
    public func getPassw()->String{
        return password
    }
    public func changePassword(usernam: String,oldPw: String,newPw: String){
        self.password = newPw
    }
    public func printAll(){
        print("Name : \(name!) \nSurname : \(surname!) \nCity : \(city!)")
    }

}
public class Databases {
    public var users : [Users] = []
    public var events: [Event] = []
    public var versione: Float = 1.0

    public func signup(user: String,pw : String , eMail: String){
        users.append(Users(username: user,password: pw,email : eMail))
        print("Utente registrato con successo")
    }

    public func login(usernam: String,password : String)->Users{
        var flag : Users? = nil
        for user in users {
            if usernam == user.getUsername() && password == user.getPassw() {
                print("Utente Loggato")
                flag = user
            }
        }
        return flag!

    }

    public func changePassword(usernam: String,oldPw: String,newPw: String){
        for user in users {
            if usernam == user.getUsername() {
                if oldPw == user.getPassw(){
                    user.setPassw(newPassword: newPw)
                    print("Password Changed!")
                }
                else{
                    print("Actual Password Is Wrong!")
                }
            }
        }
    }

}




public class Event {
    public var name: String
    public var date: String
    public var position: String
    public var type: String
    public var duration: Int?

    public  init(name: String,date:String,position:String,type: String){
        self.name = name
        self.date = date
        self.position = position
        self.type = type
    }

    public func changePlace (position: String){
        self.position = position
    }
    public func changeName (name: String){
        self.name = name
    }

}

public class Film:Event {
    public var event: [Event] = []


    public init(){
        super.init(name: "", date: "", position: "", type: "")
    }
    public func addEvent(name: String,date: String,position: String,type:String,duration: Int){
        event.append(Event(name: name, date: date, position: position,type: type))
        changeDuration(name: name, duration: duration)
    }
    public func changeDuration(name:String,duration: Int){
        for nome in event {
            if name == nome.name {
                nome.duration = duration
            }
        }
    }
    public func printAllEvent(){
        print("\nFilm Events :\n")
        for eventi in event{
            if eventi.duration != nil {
                print("Film : \(eventi.name) at \(eventi.position) on date : \(eventi.date) duration : \(eventi.duration!)")
            }
            else {
                print("Film : \(eventi.name) at \(eventi.position) on date : \(eventi.date) duration : not specified")
            }

        }

    }
}






var myDatabase = Databases()
myDatabase.signup(user: "Francisco", pw: "ligh21@asd", eMail: "francisco.franco@ty.com")
var user1 = myDatabase.login(usernam: "Francisco", password: "ligh21@asd")
user1.name = "Francisco"
user1.surname = "Franco"
user1.city = "Napoli"
user1.printAll()
var cinemaEvents = Film()
cinemaEvents.addEvent(name: "Pit the clown",date: "11-11-2017",position: "Med Maxi Cinema",type:"Horror",duration: 103)
cinemaEvents.addEvent(name: "I Love Unicorn", date: "12-11-2017", position: "Modernissimo", type: "Animation",duration: 112)



cinemaEvents.printAllEvent()