using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using System;

public class HUDManager : MonoBehaviour {

	public GameObject[] flags;
	public GameObject[] highScores;
	public Text[] chronos;
	public Text[] firsts;
    public Text[] tachometersP1;
	public Text[] tachometersP2;
    public Text[] maxSpeedsP1;
	public Text[] maxSpeedsP2;
    //public HUDProgress[] progressions;
	public Transform[] progressionsP1;
	public Transform[] progressionsP2;
    public Text[] distancesP1;
	public Text[] distancesP2;
    [SerializeField]
    private GameObject[] _messages;
    public GameObject[] Messages {get {return _messages;} }

    public GameObject loadingScreens;

    private float[] maxSpeedsValues = new float[2];

    GameManager gm;

    void Awake() {
        gm = GameManager.Instance;
        gm.RegisterHUD(this);

		//for (int i = 0; i < totalDistances.Length; i++)
		//	totalDistances [i] = gm.GetRaceDistance ();
    }

	// Use this for initialization
	void Start () {
	}

	// Update is called once per frame
	void Update () {
		UpdateSpeeds ();
		UpdateProgress ();
		UpdateDistance ();
		UpdateChrono (0);
		UpdateChrono (1);
		UpdateFlags (0);
		UpdateFlags (1);
	//	UpdateFirst (0);
	}

	void UpdateFirst(int bikeID) {
		firsts [bikeID].text = (gm.GetFirst () + 1).ToString();
	}

	void UpdateFlags(int bikeID) {
		flags [bikeID].SetActive (gm.GetFirst () == bikeID);
	}

	public void SetActiveChrono(bool active) {
		chronos [0].gameObject.SetActive (active);
		chronos [1].gameObject.SetActive (active);
	}
		
	void UpdateChrono(int bikeID) {
		float time = gm.GetChrono ();
		TimeSpan timeSpan = TimeSpan.FromSeconds(time);
		chronos [bikeID].text = string.Format("{0:D2}:{1:D2}:{2:D2}", timeSpan.Minutes, timeSpan.Seconds, timeSpan.Milliseconds / 10);
	}

    void UpdateDistance() {
		for (int i = 0; i < 2; i++) {
			distancesP1 [i].text = gm.GetBikeManager (0).GetDistance ().ToString ("#0") + "m / " + gm.GetRaceDistance() + "m";
			distancesP2 [i].text = gm.GetBikeManager (1).GetDistance ().ToString ("#0") + "m / " + gm.GetRaceDistance() + "m";
		}


    }

    void UpdateProgress() {
		for (int i = 0; i < 2; i++) {
			progressionsP1 [i].gameObject.GetComponent<RectTransform> ().sizeDelta = new Vector2 (gm.GetBikeManager (0).GetProgress () * 600, 5);
			progressionsP2 [i].gameObject.GetComponent<RectTransform> ().sizeDelta = new Vector2 (gm.GetBikeManager (1).GetProgress () * 600, 5);
		}
    }

    void UpdateSpeeds() {
		float s1 = gm.GetBikeManager (0).GetSpeed ();
		float s2 = gm.GetBikeManager (1).GetSpeed ();

		if (s1 > maxSpeedsValues [0])
			maxSpeedsValues [0] = s1;

		if (s2 > maxSpeedsValues [1])
			maxSpeedsValues [1] = s2;

		for (int i = 0; i < 2; i++) {
			tachometersP1 [i].text = (s1 * 3.6f).ToString ("#0.0") + "km/h";
			tachometersP2 [i].text = (s2 * 3.6f).ToString ("#0.0") + "km/h";

			maxSpeedsP1 [i].text = "Max : " + (maxSpeedsValues [0] * 3.6f).ToString ("#0.0");
			maxSpeedsP2 [i].text = "Max : " + (maxSpeedsValues [1] * 3.6f).ToString ("#0.0");
		}
    }

	public void SetMessageActive(bool status, int playerID=2) {
		if (playerID > 1) { 
			Messages [0].SetActive (status);
			// Messages[1].SetActive(status);
		} else {
			Messages [playerID].SetActive (status);
		}
    }

	public void SetMessage(string message, int playerID=2) {
		if (playerID > 1) { 
			Messages [0].GetComponent<Text> ().text = message;
			// Messages[1].GetComponent<Text>().text = message;
		} else {
			Messages [playerID].GetComponent<Text> ().text = message;
		}
    }

	public void SetHighScore(int playerID) {
		highScores [playerID].SetActive (true);
	}
}