using System;
using System.Drawing;
using System.Drawing.Text;
using System.Windows.Forms;

namespace PacMan
{
    /// <summary>
    /// The form provides the user interface handles user-triggered events. It also handles the timer and creates the gameEngine object.
    /// </summary>
    public partial class Form1 : Form
    {
        private const int SCORE_SIZE_AREA = 50;
        private Random rand;
        private Grid dataGrid;
        private GameEngine gameEngine;
        private PictureBox[] lifeCounter;
        private System.Windows.Media.MediaPlayer sound;

        public Form1()
        {
            InitializeComponent();
            rand = new Random();
            dataGrid = new Grid("TileMap.csv");
            Controls.Add(dataGrid);
            sound = new System.Windows.Media.MediaPlayer();
            sound.Open(new Uri("pacmanDubHeavy.mp3", UriKind.Relative));
            sound.Play();

            gameEngine = new GameEngine(dataGrid, rand, timer1.Interval);

            //pacman font
            PrivateFontCollection fontCollection = new PrivateFontCollection();
            fontCollection.AddFontFile("crackman.ttf");

            FontFamily ff = fontCollection.Families[0];
            int fontsize = 12;
            Font pacmanFont = new Font(ff, fontsize, FontStyle.Bold);

            label2.Font = pacmanFont;
            label3.Font = pacmanFont;
            label4.Font = pacmanFont;

            lifeCounter = new PictureBox[3];
            lifeCounter[0] = pictureBox1;
            lifeCounter[1] = pictureBox2;
            lifeCounter[2] = pictureBox3;
        }

        /// <summary>
        /// If the user clicks this menustrip item the application closes.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        /// <summary>
        /// Listens for user keystrokes
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            gameEngine.GetUserDirection(e.KeyCode);
        }

        /// <summary>
        /// Prompts the game to progress at each timer-tick. Also prompts Score, Lives left, and Game Over visuals to display
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void timer1_Tick(object sender, EventArgs e)
        {                        
            label3.Text = gameEngine.CalculateScore().ToString();
            gameEngine.RunGame();

            for (int i = gameEngine.N_Lives; i < lifeCounter.Length; i++)
            {
                lifeCounter[i].Visible = false;
            }

            if (gameEngine.GameOver == true)
            {
                label4.Text = ("GAME OVER \n\nFINAL SCORE: " + gameEngine.CalculateScore().ToString());
                label4.Visible = true;
                timer1.Enabled = false;
            }
        }

    }
}