//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Thursday, November 09, 2017
//--------------------------------------------------------
using UnityEngine;
using System.Collections;
using UnityEngine.UI;


public class RandomTip : MonoBehaviour
{
    int index = 0;
    [SerializeField] UpdateType m_UpdateType;
    [SerializeField] Text m_Content;
    [SerializeField] float m_Interval = 2f;
    [SerializeField] string[] m_LanguageKeys;

    float timer = 0f;
    private void OnEnable()
    {
        timer = 0f;
        UpdateTip();
    }

    private void OnDisable()
    {

    }

    private void LateUpdate()
    {
        timer += Time.deltaTime;
        if (timer > m_Interval)
        {
            timer = 0f;
            UpdateTip();
        }
    }

    private void UpdateTip()
    {
        if (m_LanguageKeys == null || m_LanguageKeys.Length == 0)
        {
            return;
        }

        switch (m_UpdateType)
        {
            case UpdateType.Queue:
                index = (++index) % m_LanguageKeys.Length;
                m_Content.text = Language.Get(m_LanguageKeys[index]);
                break;
            case UpdateType.Random:
                var randomIndex = index;
                while (index == randomIndex)
                {
                    randomIndex = Random.Range(0, m_LanguageKeys.Length);
                }
                index = randomIndex;
                m_Content.text = Language.Get(m_LanguageKeys[index]);
                break;
        }
    }

    public enum UpdateType
    {
        Queue,
        Random,
    }

}