SpaceAdventure.swift

//the core of the application
//notice every func in this class is private except for the initialiser
import Foundation


class SpaceAdventureModified {
    
    
    let planetarySystem:PlanetarySystem
    
    init (planetarySystem:PlanetarySystem){
        self.planetarySystem = planetarySystem
    }
    
    
    //doesnt reutrn anything
    private func displayIntroduction() {
        print("Welcome to the \(planetarySystem.name)!")
        print("There are \(planetarySystem.planets.count) planets to explore. ")
        
    }
    
    //func which awaits the user input
    private func responseToPrompt (prompt:String) -> String {
        print(prompt)
        return getUserInput()
        
        
    }
    
    
    
    
    private func greetAdventurer(){
        let name = responseToPrompt("What's is your name?")
        print("Nice to meet you, \(name). My name is Eirene. I am an old friend of Zuldaf. ")
        
        
    }
    
    
    private func visit(planetName:String){
        print("Traveling to \(planetName) ...")
        for planet in planetarySystem.planets {
            if planetName == planet.name {
                //accessing the following variables from our main class
                print("Arrived at \(planet.name).\(planet.description)")
            }
        }
    }
    
    
    //most complex func
    
    private func determineDestination(){
        
        var decision = ""
        
        //creating a special loop, using an Exclimation mark before the loop -> inverting it.
        while !( decision == "Yes" || decision == "No"){
            decision = responseToPrompt("Shall I randomly choose a planet to visit? (Yes or No)")
            
            if decision == "Yes" {
                //the following code will access our planetarySystem class and activate the random method.
                if let planet = planetarySystem.randomPlanet {
                    visit(planet.name)
                    
                    
                    
                } else {
                    print("Sorry, but there are no planets in this system.")
                    
                }
            }else if decision == "No" {
                var planetName = responseToPrompt("Ok, name the planet you would like to visit")
                
                //check if the planet exists in our solarsystem
         
                if OurPlanetsNames.contains(planetName){
                      visit(planetName)
                }
                    
                else{
                    //print("makes no sense to me, again")
                    
                    //the following random func will generate one random number each time it's been called, numbers are
                    // 0,1,2,3,4 and not 5!
                    let MyRandomInt = Int(arc4random_uniform(5))
                    
                    //personal line of code
                    
                    if MyRandomInt == 0{print("No planet named \(planetName)")}
                    if MyRandomInt == 1{print("Again")}
                    if MyRandomInt == 2{print("Try again")}
                    if MyRandomInt == 3{print("Hmm, is that a Planet? I wonder. I wonder a lot...;( ")}
                    if MyRandomInt == 4{print("The one who developed me is so inrobotic, he stressed that I be \"case sesnitive\"")}
                    
                    
                    determineDestination()


                }
                
         
                    
            }else{
                //print("makes no sense to me, again")
                
                //the following random func will generate one random number each time it's been called, numbers are 
                // 0,1,2,3,4 and not 5!
                let MyRandomInt = Int(arc4random_uniform(5))

                //personal line of code
                
                if MyRandomInt == 0{print("Sorry, I didn't get that. Was it Yes?")}
                if MyRandomInt == 1{print("Gibberish to me!, you can just type in Yes for a random selection!")}
                if MyRandomInt == 2{print("Nope, doesn't ring a bell sweetie. It's a Yes or No answer")}
                if MyRandomInt == 3{print("I really should see it to update my database ;( ")}
                if MyRandomInt == 4{print("The one who developed me is so inrobotic, he stressed that I be \"case sesnitive\"")}
            }
        }
    }
    
    
    
    
    
    
    
    //this func will start our game -> here calling all of our three functions
    func start(){
        displayIntroduction()
        greetAdventurer()
        if !planetarySystem.planets.isEmpty {
            print("Let's go on an Adventure!")
            determineDestination()
        }
    }
    
    
    
    
    
}