package tui;

import fassade.KniffelSystem;

import java.util.ArrayList;
import java.util.Scanner;

public class TUI {
    static KniffelSystem gameSystem;
    static Scanner sc = new Scanner(System.in);

    public static void main(String[] args) {
        System.out.println("Welcome to the PR2 Kniffel game!");

         while (true){
             mainMenuOutput();
         }


        // DEV:
//        gameSystem = new KniffelSystem();
//        gameSystem.createTestPlayers(6);
//        gameLoop();
    }

    private static int mainMenuOutput(){
        System.out.println("What do you want to do?");
        System.out.println("1 - Play");
        System.out.println("2 - See leaderboard");
        System.out.println("3 - Exit");
        System.out.print("> ");
        String mainMenuUserInput = sc.nextLine().toLowerCase();


        if ((mainMenuUserInput.equals("1"))
                || (mainMenuUserInput.equals("play"))){
            mainMenuPlay();
            System.out.println("play"); // TEST
            return 1;
        }
        else if ((mainMenuUserInput.equals("2"))
                || (mainMenuUserInput.equals("see leaderboard"))
                || (mainMenuUserInput.equals("see"))
                || (mainMenuUserInput.equals("leaderboard"))){
            System.out.println("leaderboard"); // TEST
            mainMenuLeaderBoard();
            return 2;
        }
        else {
            System.out.println("exit"); // TEST
            mainMenuExit();
            return 3;
        }
    }

    private static void mainMenuPlay(){
        gameSystem = new KniffelSystem();

        System.out.println("How many players are you? (1-6)");
        System.out.print("> ");
        String mainMenuPlayAmountPlayersInput = sc.nextLine().toLowerCase();

        int amountPlayers = Integer.parseInt(mainMenuPlayAmountPlayersInput);

        for (int i = 0; i < amountPlayers; i++){
            System.out.printf("Player %d: ", i + 1);
            System.out.println("Enter your name: ");
            System.out.print("> ");
            String playerName = sc.nextLine();

            String coloredPlayerName = gameSystem.addPlayer(i+1, playerName);
            System.out.printf("Welcome %s! \n\n", coloredPlayerName);
        }

        gameLoop();
    }

    private static void gameLoop(){
        String[] playerStrings = gameSystem.getAllPlayerStrings();

        System.out.println("Participating players:");
        for (String player : playerStrings){
            System.out.println(player);
        }
        System.out.println();

        int turncounter = 0;
        int rollscount;

        while (true){
            rollscount = 0;
            // System.out.printf("Turn Nr.%d\n", turncounter);
            System.out.printf("It's your turn %s!\n\n", gameSystem.getCurrentPlayer());

            ArrayList<Integer> rolls = new ArrayList<Integer>();
            String keptDice = "";

            while(rollscount < 3){
                System.out.printf("Roll Nr. %d \n", rollscount); // TEST
                System.out.printf("Kept dice: %s \n\n", keptDice); // TEST


                rolls = gameSystem.rollDices(rolls, keptDice);
                String newRollsString = diceArrToString(rolls);
                System.out.println(newRollsString);

                System.out.println("Which dice do you want to keep?");
                System.out.println("Empty for none, single digit for one dice or (1,3,4) for multiple dice.");
                System.out.print("> ");
                keptDice = sc.nextLine();

                rollscount++;
            }

            turncounter = triggerNextTurn(turncounter);
        }
    }


    private static String evaluateRoll(ArrayList<Integer> rolls){
        return "TODO";
    }


    private static String diceArrToString(ArrayList<Integer> diceArr){
        StringBuilder sb = new StringBuilder();
        sb.append("Your rolls: \n");
        for (int i = 0; i < diceArr.size(); i++){
            sb.append(String.format("Dice %d: %s \n", i+1, Integer.toString(diceArr.get(i))));
        }
        return sb.toString();
    }


    private static int triggerNextTurn(int turnCounter){
        turnCounter++;
        System.out.print("Next turn? \n");
        System.out.print("> ");
        sc.nextLine();
        gameSystem.nextPlayer();
        return turnCounter;
    }



    private static void mainMenuLeaderBoard(){
        gameSystem = new KniffelSystem(); // Scorboard System
        System.out.println(gameSystem.LeaderBaordData()); // TODO
    }


    private static void mainMenuExit(){
        System.out.println("Do you really want to exit? (Y/n)");
        System.out.print("> ");
        String mainMenuExitUserInput = sc.nextLine().toLowerCase();

        if ((mainMenuExitUserInput.equals("y"))
                || (mainMenuExitUserInput.equals("yes"))
                || mainMenuExitUserInput.isBlank()){
            System.out.print("Exiting, see you next time!");
            System.exit(0);
        }
        else {
            System.out.println("Returning to main menu");
            System.out.println();
            mainMenuOutput();
        }
    }
}