package de.aikiit.game.kaiser;
   
   import java.util.InputMismatchException;
   import java.util.Scanner;
   
   /**
    * This class contains all available actions that have to be taken by the player of the game.
    * At the moment this is done via the operating system's console.
    */
  public class KaiserActions {
  
      /**
       * Try to buy land in the current game.
       *
       * @param engine the current game engine
       * @return {@code true} if the buy action succeeded, {@code false} otherwise.
       */
      public static boolean buy(KaiserEngine engine) {
          while (true) {
              try {
                  System.out.println(KaiserEnginePrinter.ANSI_PURPLE + "Wieviel Land wollen Sie kaufen? 0 = nichts" + KaiserEnginePrinter.ANSI_RESET);
                  Long buy = new Scanner(System.in).nextLong();
                  return engine.buyLand(buy) > 0;
              } catch (InputMismatchException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Gib einen richtigen Wert ein, Du Knalltüte!");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
              } catch (IllegalArgumentException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Überleg doch mal, Du hast nur " + engine.getSupplies() + " Korn zur Verfügung. Nun denn, versuch es nochmals.");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
              }
          }
      }
  
      /**
       * Perform a sell operation in the current game.
       *
       * @param engine the current game engine
       */
      public static void sell(KaiserEngine engine) {
          while (true) {
              try {
                  System.out.println(KaiserEnginePrinter.ANSI_PURPLE + "Wieviel Land wollen Sie verkaufen?" + KaiserEnginePrinter.ANSI_RESET);
                  Long sell = new Scanner(System.in).nextLong();
                  engine.sellLand(sell);
                  return;
              } catch (InputMismatchException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Gib einen richtigen Wert ein, Du Knalltüte!");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
              } catch (IllegalArgumentException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Überleg doch mal, Du hast nur " + engine.getArea() + " Hektar Land. Probier es erneut.");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
              }
          }
      }
  
      /**
       * Perform a feeding operation in the current game, that means give food to the population.
       *
       * @param engine the current game engine
       */
      public static void feed(KaiserEngine engine) {
          while (true) {
              try {
                  System.out.println(KaiserEnginePrinter.ANSI_PURPLE + "Wieviel dzt wollen Sie an Ihr Volk verteilen?" + KaiserEnginePrinter.ANSI_RESET);
                  Long feed = new Scanner(System.in).nextLong();
                  engine.feedToPopulation(feed);
                  return;
              } catch (InputMismatchException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Gib einen richtigen Wert ein, Du Knalltüte!");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
              } catch (IllegalArgumentException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Überleg doch mal, Du hast nur " + engine.getSupplies() + " Korn zur Verfügung. Nun denn, probier es erneut.");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
              }
          }
      }
  
      /**
       * In order to feed your population you need to plant crops and cultivate your available area/land.
       *
       * @param engine the current game engine
       */
      public static void cultivate(KaiserEngine engine) {
          while (true) {
              try {
                  System.out.println(KaiserEnginePrinter.ANSI_PURPLE + "Wieviel Land wollen Sie bebauen?" + KaiserEnginePrinter.ANSI_RESET);
                  Long cultivate = new Scanner(System.in).nextLong();
                  engine.cultivate(cultivate);
                  return;
              } catch (InputMismatchException e) {
                  System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                  System.out.println("Gib einen richtigen Wert ein, Du Knalltüte!");
                  System.out.print(KaiserEnginePrinter.ANSI_RESET);
             } catch (IllegalArgumentException e) {
                 System.out.print(KaiserEnginePrinter.ANSI_PURPLE);
                 switch (e.getMessage()) {
                     case "You cannot cultivate more area than you have." ->
                             System.out.println("Überleg doch mal, Du hast nur " + engine.getArea() + " Hektar Land. Probier es nochmals.");
                     case "You cannot cultivate more than you have." ->
                             System.out.println("Nun denk doch mal nach, Du hast nur " + engine.getSupplies() + " Korn zur Verfügung. Nun denn, versuche es erneut.");
                     case "Not enough workers available." ->
                             System.out.println("Sie haben aber nur " + engine.getPopulation() + " Arbeiter. Noch einmal.");
                 }
                 System.out.print(KaiserEnginePrinter.ANSI_RESET);
             }
         }
     }
 }