/// <summary>
/// Player controller.
/// </summary>
using UnityEngine;
using System.Collections;

[RequireComponent(typeof(FlightSystem))]

public class PlayerController : MonoBehaviour
{
	
	FlightSystem flight;// Core plane system
	FlightView View;
	public bool Active = true;
	public bool SimpleControl;// make it easy to control Plane will turning easier.
	public bool Acceleration;// Mobile*** enabled gyroscope controller
	public float AccelerationSensitivity = 5;// Mobile*** gyroscope sensitivity
	private TouchScreenVal controllerTouch;// Mobile*** move
	private TouchScreenVal fireTouch;// Mobile*** fire
	private TouchScreenVal switchTouch;// Mobile*** swich
	private TouchScreenVal sliceTouch;// Mobile*** slice
	private bool directVelBack;
	public GUISkin skin;
	public bool ShowHowto;

	void Start ()
	{
    flight = this.GetComponent<FlightSystem> ();
    View = (FlightView)GameObject.FindObjectOfType (typeof(FlightView));
    
    
    // setting all Touch screen controller in the position
    controllerTouch = new TouchScreenVal (new Rect (0, 0, Screen.width / 2, Screen.height - 100));
    fireTouch = new TouchScreenVal (new Rect (Screen.width / 2, 0, Screen.width / 2, Screen.height));
    switchTouch = new TouchScreenVal (new Rect (0, Screen.height - 100, Screen.width / 2, 100));
    sliceTouch = new TouchScreenVal (new Rect (0, 0, Screen.width / 2, 50));
    
    if (flight)
    	directVelBack = flight.DirectVelocity;
	}
	
	void Update ()
	{
    if (!flight || !Active)
    	return;
    #if UNITY_EDITOR || UNITY_WEBPLAYER || UNITY_STANDALONE_WIN || UNITY_STANDALONE_OSX
    // On Desktop
    DesktopController();
    #else
    // On Mobile device
    MobileController ();
    #endif
    
	}
	
	void DesktopController ()
	{
    // Desktop controller
    flight.SimpleControl = SimpleControl;
    
    // lock mouse position to the center.
    MouseLock.MouseLocked = true;
    
    flight.AxisControl (new Vector2 (Input.GetAxis ("Mouse X"), Input.GetAxis ("Mouse Y")));
    if (SimpleControl) {
    	flight.DirectVelocity = false;
    	flight.TurnControl (Input.GetAxis ("Mouse X"));
    } else {
    	flight.DirectVelocity = directVelBack;	
    }

    flight.TurnControl (Input.GetAxis ("Horizontal"));
    flight.SpeedUp (Input.GetAxis ("Vertical"));
    
    
    if (Input.GetButton ("Fire1")) {
    	flight.WeaponControl.LaunchWeapon ();
    }
    
    if (Input.GetButtonDown ("Fire2")) {
    	flight.WeaponControl.SwitchWeapon ();
    }
    
    if (Input.GetKeyDown (KeyCode.C)) {
    	if (View)
        View.SwitchCameras ();	
    }	
	}
	
	void MobileController ()
	{
    // Mobile controller
    
    flight.SimpleControl = SimpleControl;
    
    if (Acceleration) {
    	// get axis control from device acceleration
    	Vector3 acceleration = Input.acceleration;
    	Vector2 accValActive = new Vector2 (acceleration.x, (acceleration.y + 0.3f) * 0.5f) * AccelerationSensitivity;
    	flight.FixedX = false;
    	flight.FixedY = false;
    	flight.FixedZ = true;
    	
    	flight.AxisControl (accValActive);
    	flight.TurnControl (accValActive.x);
    } else {
    	flight.FixedX = true;
    	flight.FixedY = false;
    	flight.FixedZ = true;
    	// get axis control from touch screen
    	Vector2 dir = controllerTouch.OnDragDirection (true);
    	dir = Vector2.ClampMagnitude (dir, 1.0f);
    	flight.AxisControl (new Vector2 (dir.x, -dir.y) * AccelerationSensitivity * 0.7f);
    	flight.TurnControl (dir.x * AccelerationSensitivity * 0.3f);
    }
    sliceTouch.OnDragDirection (true);
    // slice speed
    flight.SpeedUp (sliceTouch.slideVal.x);
    
    if (fireTouch.OnTouchPress ()) {
    	flight.WeaponControl.LaunchWeapon ();
    }	
    if (switchTouch.OnTouchPress ()) {
    
    }	
	}
	
	
	// you can remove this part..
	void OnGUI ()
	{
    if (!ShowHowto)
    	return;
    
    if (skin)
    	GUI.skin = skin;
    
    if (GUI.Button (new Rect (20, 150, 200, 40), "Gyroscope " + Acceleration)) {
    	Acceleration = !Acceleration;
    }
    
    if (GUI.Button (new Rect (20, 200, 200, 40), "Change View")) {
    	if (View)
        View.SwitchCameras ();	
    }
    
    if (GUI.Button (new Rect (20, 250, 200, 40), "Change Weapons")) {
    	if (flight)
        flight.WeaponControl.SwitchWeapon ();
    }
    
    if (GUI.Button (new Rect (20, 300, 200, 40), "Simple Control " + SimpleControl)) {
    	if (flight)
        SimpleControl = !SimpleControl;
    }
	}

}