using UnityEngine;
using System.Collections;
 
public class Keypad : MonoBehaviour {
 
    public string curPassword = "12345";
    public string input;
    public bool onTrigger;
    public bool doorOpen;
    public bool keypadScreen;
    public Transform doorHinge;
 
    void OnTriggerEnter(Collider other)
    {
        onTrigger = true;
    }
 
    void OnTriggerExit(Collider other)
    {
        onTrigger = false;
        keypadScreen = false;
        input = "";
    }
 
    void Update()
    {
        if(input == curPassword)
        {
            doorOpen = true;
        }
 
        if(doorOpen)
        {
            var newRot = Quaternion.RotateTowards(doorHinge.rotation, Quaternion.Euler(0.0f, -90.0f, 0.0f), Time.deltaTime * 250);
            doorHinge.rotation = newRot;
        }
    }
 
    void OnGUI()
    {
        if(!doorOpen)
        {
            if(onTrigger)
            {
                GUI.Box(new Rect(0, 0, 200, 25), "Press 'E' to open keypad");
 
                if(Input.GetKeyDown(KeyCode.E))
                {
                    keypadScreen = true;
                    onTrigger = false;
                }
            }
 
            if(keypadScreen)
            {
                GUI.Box(new Rect(0, 0, 320, 35), "");
                GUI.Box(new Rect(5, 5, 310, 25), input);
				GUI.Label(new Rect(5, 30, 100, 25), "Press Esc to exit");
			
				if(Input.GetKeyDown(Keycode.Escape))
				{
					input = false;
					keypadScreen = false;
				} 				

				if(Input.GeyKeyDown(KeyCode.Alpha0) || Input.GeyKeyDown(Keycode.Keypad0))
				{
					input = input + "0";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha1) || Input.GeyKeyDown(Keycode.Keypad1))
				{
					input = input + "1";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha2) || Input.GeyKeyDown(Keycode.Keypad2))
				{
					input = input + "2";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha3) || Input.GeyKeyDown(Keycode.Keypad3))
				{
					input = input + "3";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha4) || Input.GeyKeyDown(Keycode.Keypad4))
				{
					input = input + "4";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha5) || Input.GeyKeyDown(Keycode.Keypad5))
				{
					input = input + "5";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha6) || Input.GeyKeyDown(Keycode.Keypad6))
				{
					input = input + "6";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha7) || Input.GeyKeyDown(Keycode.Keypad7))
				{
					input = input + "7";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha8) || Input.GeyKeyDown(Keycode.Keypad8))
				{
					input = input + "8";
				}

				if(Input.GeyKeyDown(KeyCode.Alpha9) || Input.GeyKeyDown(Keycode.Keypad9))
				{
					input = input + "9";
				}
            }
        }
    }
}