#region Using directives
using System;
using System.Collections.Generic;
using System.Text;
using XnaGraphicEngine.GameScreens;
using Microsoft.Xna.Framework;
using XnaGraphicEngine.Helpers;
using Microsoft.Xna.Framework.Input;
using XnaGraphicEngine.Properties;
using XnaGraphicEngine.Graphics;
#endregion

namespace XnaGraphicEngine.Game
{
	/// <summary>
	/// Player helper class, holds all the current game properties:
	/// Health, Weapon and Score.
	/// Note: This is a static class and holds always all player entries
	/// for the current game. If we would have more than 1 player (e.g.
	/// in multiplayer mode) this should not be a static class!
	/// </summary>
	static class Player
	{
		#region Variables
		/// <summary>
		/// Current game time in ms. Used for time display in game. Also used to
		/// update the level position.
		/// </summary>
		public static float gameTimeMs = 0;

		/// <summary>
		/// Won or lost?
		/// </summary>
		public static bool victory = false;

		/// <summary>
		/// Game over?
		/// </summary>
		private static bool gameOver = false;

		/// <summary>
		/// Is game over?
		/// </summary>
		/// <returns>Bool</returns>
		public static bool GameOver
		{
			get
			{
				return gameOver;
			} // get
		} // GameOver

		/// <summary>
		/// Remember if we already uploaded our highscore for this game.
		/// Don't do this twice (e.g. when pressing esc).
		/// </summary>
		static bool alreadyUploadedHighscore = false;

		/// <summary>
		/// Set game over and upload highscore
		/// </summary>
		public static void SetGameOverAndUploadHighscore()
		{
			// Set lifes to 0 and set gameOver to true to mark this game as ended.
			gameOver = true;

			// Upload highscore
			if (alreadyUploadedHighscore == false)
			{
				alreadyUploadedHighscore = true;
				Highscores.SubmitHighscore(score, Highscores.DefaultLevelName);
			} // if (alreadyUploadedHighscore)
		} // SetGameOverAndUploadHighscore()
		#endregion

		#region Current player values (health, weapon, etc.)
		/// <summary>
		/// Health, 1 means we have 100% health, everything below means we
		/// are damaged. If we reach 0, we die!
		/// </summary>
		public static float health = 1.0f;

		/// <summary>
		/// Weapon types we can carry with our ship
		/// </summary>
		public enum WeaponTypes
		{
			MG,
			Plasma,
			Gattling,
			Rockets,
		} // enum WeaponTypes

		/// <summary>
		/// Weapon we currently have, each weapon is replaced by the
		/// last collected one. No ammunition is used.
		/// </summary>
		public static WeaponTypes currentWeapon = WeaponTypes.MG;

		/// <summary>
		/// Do we have the EMP bomb? Press space to fire them.
		/// </summary>
		public static int empBombs = 0;

		/// <summary>
		/// Current score. Used as highscore if game is over.
		/// </summary>
		public static int score = 0;
		#endregion

		#region Reset everything for starting a new game
		/// <summary>
		/// Keys for moving around. Assigned from settings!
		/// </summary>
		static Keys moveLeftKey,
			moveRightKey,
			moveUpKey,
			moveDownKey;

		/// <summary>
		/// Default to normal mouse sensibility, can be changed
		/// from 0.5 to 2.0.
		/// </summary>
		static float mouseSensibility = 1.0f;

		/// <summary>
		/// Reset all player entries for restarting a game.
		/// </summary>
		public static void Reset()
		{
			gameOver = false;
			alreadyUploadedHighscore = false;
			gameTimeMs = 0;
			health = 1.0f;
			score = 0;

			// Assign keys. Warning: This is VERY slow, never use it
			// inside any render loop (getting Settings, etc.)!
			moveLeftKey = GameSettings.Default.MoveLeftKey;
			moveRightKey = GameSettings.Default.MoveRightKey;
			moveUpKey = GameSettings.Default.MoveForwardKey;
			moveDownKey = GameSettings.Default.MoveBackwardKey;

			// Also assign mouse sensibility
			mouseSensibility = 2.5f -
				2.0f * GameSettings.Default.ControllerSensibility;
			if (mouseSensibility < 0.5f)
				mouseSensibility = 0.5f;
		} // Reset(setLevelName)
		#endregion

		#region Handle game logic
		/// <summary>
		/// Handle game logic
		/// </summary>
		public static void HandleGameLogic(Mission mission)
		{
			//TODO
		} // HandleGameLogic(asteroidManager)
		#endregion
	} // class Player
} // namespace XnaGraphicEngine