using System.Collections;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;


[NetworkSettings(channel = 0, sendInterval = 1)]
public class clientGameMenu : NetworkBehaviour {
	public GameObject next;
	public NetworkManager network;


	private TweetAnimator tweetAnimator;
	public TweetContainer tweetContainer;


	//Letölti az új tweetet
	private void Update ()
	{
		if(isClient)
		{
			if (tweetAnimator == null)
				tweetAnimator = new TweetAnimator(0.5f, 7.5f, tweetContainer);
			tweetAnimator.Animate(Time.deltaTime);
		}
	}

	[ClientRpc(channel = 0)]
	public void RpcSetNewTweet (Tweet newTweet)
	{
		if (tweetAnimator == null)
			tweetAnimator = new TweetAnimator(0.5f, 7.5f, tweetContainer);
		tweetAnimator.SetNewTweet(newTweet);
	}

	/*public void goBack()
	{
		network.StopClient();
		gameObject.SetActive(false);
		next.SetActive(true);
		next.GetComponent<clientMenu>().errorField.text = "No errors so far.";
	}*/

}

[System.Serializable]
public struct Tweet
{
	public TweetAccount account;
	public string message;
}

[System.Serializable]
public struct TweetAccount
{
	public string realName;
	public string name;
	public int picID;
}

[System.Serializable]
public struct TweetContainer
{
	public GameObject tweetBox;
	public Text realName;
	public Text message;
	public RawImage image;
	public List<Texture> pics;
}

//Betölti az új tweetet
public class TweetAnimator
{
	private Tweet tweet;
	private TweetContainer tweetContainer;

	private float elapsedTime;

	private float animationTimeout;
	private float tweetTimeout;

	private bool hasNewTweet = false;

	public float opacity = 0.95f;

	private enum FadeState
	{
		notVisible,
		fadingIn,
		fullyVisible,
		fadingOut
	}

	FadeState fadeState = FadeState.notVisible;

	public TweetAnimator (float animationTimeout, float tweetTimeout, TweetContainer tweetContainer)
	{
		this.animationTimeout = animationTimeout;
		this.tweetTimeout = tweetTimeout;
		this.tweetContainer = tweetContainer;
	}

	public void Animate (float deltaTime)
	{
		elapsedTime += deltaTime;

		float q = elapsedTime / animationTimeout;

		if (q > 1)
			q = 1;

		switch (fadeState)
		{
			case FadeState.notVisible:
				tweetContainer.tweetBox.GetComponent<CanvasGroup>().alpha = 0;
				if (hasNewTweet)
				{
					elapsedTime = 0;
					changeText();
					hasNewTweet = false;
					fadeState = FadeState.fadingIn;
				}
				break;
			case FadeState.fadingIn:
				tweetContainer.tweetBox.GetComponent<CanvasGroup>().alpha = q * opacity;
				if (q >= 1)
				{
					elapsedTime = 0;
					fadeState = FadeState.fullyVisible;
				}
				break;
			case FadeState.fullyVisible:
				if (elapsedTime > tweetTimeout)
				{
					elapsedTime = 0;
					fadeState = FadeState.fadingOut;
				}
				break;
			case FadeState.fadingOut:
				tweetContainer.tweetBox.GetComponent<CanvasGroup>().alpha = (1 - q) * opacity;
				if (q >= 1)
					fadeState = FadeState.notVisible;
				break;
		}
	}

	public void SetNewTweet(Tweet newTweet)
	{
		tweet = newTweet;
		if (fadeState == FadeState.fadingIn || fadeState == FadeState.fullyVisible)
				  fadeState = FadeState.fadingOut;
		hasNewTweet = true;
	}

	private void changeText()
	{
		tweetContainer.realName.text = tweet.account.realName + "   <color=blue>@" + tweet.account.name + "</color>";


		string formattedMessage = Regex.Replace(tweet.message, "#[a-zA-Z]+", LocalReplaceMatchCase);
		tweetContainer.message.text = formattedMessage;
		tweetContainer.image.texture = tweetContainer.pics[tweet.account.picID];
	}

	private string LocalReplaceMatchCase (Match matchExpression)
	{
		return "<color=blue>" + matchExpression.Value + "</color>";
	}

}