using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace Console_Games {
    class SpaceInvaders_Game {
        //👾 👽 █ ▲ ▼ ☺ * |

        int width = 29;
        int height = 25;

        bool lost = false;
        bool hault = false;

        int score = 0;
        int enemyCount = 55;
        int enemyRows = 5;
        int enemyCols = 11;
        int enemySpeed = 1;
        int speedMultiplier = 2;

        int pWalls = 10;

        public readonly string gridString = "" +
            "███████████████████" +
            "█   👾👾👾👾👾👾👾👾👾👾👾   █" +
            "" +
            "" +
            "" +
            "" +
            "" +
            "" +
            "" +
            "" +
            "" +
            "" +
            "";

        char[,] grid;
        char[,] oldGrid;


        public void initializeGame() {
            Console.Clear();
            grid = new char[width, height];
            oldGrid = new char[width, height];

            grid = stringToArray(gridString);

            gameLoop();
        }

        private void gameLoop() {

            while (!lost && !hault) {
                oldGrid = getOldGrid(grid);
                List<ConsoleKeyInfo> keys = new List<ConsoleKeyInfo>();
                while (Console.KeyAvailable) {
                    var key = Console.ReadKey(true);
                    keys.Add(key);
                }

                // game logic

                keyPressed(keys);

                Thread.Sleep(100);
            }
        }

        private void keyPressed(List<ConsoleKeyInfo> keys) {
            if (keys.Count >= 1) {
                var key = keys[keys.Count - 1];

                switch (key.KeyChar) {
                    case 'Q':
                    case 'q':
                        dispose();
                        hault = true;
                        UserInterface ui = new UserInterface();
                        ui.programStart();
                        break;
                }
            }
        }

        private char[,] stringToArray(string toload) {
            for (int i = 0; i < height; i++) {
                for (int j = 0; j < width; j++) {
                    grid[j, i] = toload[i * width + j];
                }
            }
            return grid;
        }

        private char[,] getOldGrid(char[,] currentGrid) {
            char[,] oldGrid = new char[width, height];
            for (int i = 0; i < width; i++) {
                for (int j = 0; j < height; j++) {
                    oldGrid[i, j] = currentGrid[i, j];
                }
            }
            return oldGrid;
        }

        public void dispose() {
            width = 29;
            height = 25;

            lost = false;
            hault = false;

            score = 0;
            enemyCount = 55;
            enemyRows = 5;
            enemyCols = 11;
            enemySpeed = 1;
            speedMultiplier = 2;

            pWalls = 10;
        }
    }
}