// Importer ArrayList
import java.util.ArrayList;
/**
 * Klassen representerer en Player i et RPG.
 *
 * @author Terje Nesthus (tne037)
 * @version 1.0
 */
public class Player {

    // Feltene til klassen Player
    private String name;
    private String type;
    private int gold;
    private int health;
    private ArrayList<Item> items;

    /**
     * Konstruktor
     * @param newName navnet på Player
     * @param newType typen til Player
     */
    public Player(String newName, String newType) { //2 parameter av typen String
        name = newName;
        type = newType;
        health = 100;
        this.items = new ArrayList<Item>();
    }

    /** Endrer helsa til Player
     * @param value
     */
    public void changeHealth(int value) {
        if((health += value) < 0) {
            health = 0;
        }
    }

    /** Sjekker om Player er i live.
     * @return true hvis health er større enn 0
     */
    public boolean isAlive() {
        if(health > 0) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * Skriver ut info om Player
     */
    public void easyprint() {
        System.out.println("Name: " + name);
        System.out.println("Type: " + type);
        System.out.println("Health: " + health);
    }

    /** Henter navnet til Player
     * @return navnet til Player
     */
    public String getName() { //aksessormetode
        return name;
    }

    /** Setter navnet til Player
     * @param name nytt navn
     */
    public void setName(String name) { //mutatormetode
        this.name = name;
    }

    /** Henter typen til Player
     * @return  typen til Player
     */
    public String getType() {
        return type;
    }

    /** Setter navnet til Player
     * @param type ny type
     */
    public void setType(String type) {
        checkString(type);
        switch(type) {
            case type.equals("Warrior"): this.type = "Warrior";
        }
    }

    /** Henter health til Player
     * @return Players health
     */
    public int getHealth() {
        return health;
    }

    /**
     * Legger til et item til player
     *
     * @param Itemobject
     */
    public void addItem(String name, String description, String action, int value)
    {
        Item item = new Item(name, description, action, value);
        this.items.add(item);
    }

    /**
     * Finn et player-item fra name
     *
     * @param Itemnavn
     * @return Itemobject
     */
    public Item findItem(String name)
    {
        for (int i = 0; i < this.items.size(); i++)
        {
            Item item = this.items.get(i);
            if (item.getName() == name)
            {
                return item;
            }
            continue;
        }
        return null;
    }

    /**
     * Selg ett player item
     *
     * @param Itemnavn
     */
    public void sellItem(String name)
    {
        Item item = this.findItem(name);
        if (item != null)
        {
            this.setGold(this.getGold() + item.getValue());
            this.items.remove(item);
        }
    }

    /**
     * Bruk et item
     *
     * @param Item navn man bruker
     */
    public void useItem(String name)
    {
        Item item = this.findItem(name);
        if (item != null)
        {
            System.out.println(this.getName() + " " + item.getAction() + " a " + item.getName().toLowerCase());
        }
    }

    /**
     * Setter gull-verdien til en player
     *
     * @param Antall gullpenger
     */
    public void setGold(int gold) // mutator method
    {
        this.gold = gold;
    }

    public int getGold() // accessor method
    {
        return this.gold;
    }

    /**
     * Printer ut info om Playeren-objektet og dens itemer
     */
    public void print() {
        System.out.print("\f");
        System.out.println("Name: " + this.name);
        System.out.println("Type: " + this.type);
        System.out.println("Health: " + this.health);

        // Only print item info if any items exist
        if (this.items.size() > 0)
        {
            System.out.println();
            System.out.println("Player items (" + this.items.size() + "):");

            for (int i = 0; i < this.items.size(); i++)
            {
                Item item = this.items.get(i);
                item.print();
            }
        }
    }

    /**
     * Metode for å sjekke om en streng er tom, hvis den er det setter den valuen til "Unspecified"
     *
     * @param Input string to check if empty
     * @return Non-empty input string or default value "Unspecified", ellers returnerer den inputen
     */
    public static String checkString(String string)
    {
        if (string.isEmpty())
        {
            return "Unspecified";
        }
        else
        {
            return string;
        }
    }

    /**
     * Den statiske main-metoden
     *
     * @param Args
     */
    public static void main(String[] args) {
        // Create instance of player class
        Player aPlayer = new Player("Terje", "Warrior");
        aPlayer.addItem("Sword", "Magic sword used for battle", "started using his", 25);
        aPlayer.addItem("Shield", "Super shield for super protection", "started using his", 100);
        aPlayer.addItem("Potion", "Potion to increase your health", "drinks his", 10);

        //Print player info
        aPlayer.print();
    }
}