using System.Collections.Generic;
using TMPro;
using UnityEngine;

public class MessageBoxController : MonoBehaviour
{
    public int maxMessageNum = 50;
    public string defaultColor = "white";
    public GameObject messagePanelObj;
    public GameObject messageTextPrefab;

    [SerializeField]
    private List<Message> messages = new List<Message>();

    public void PushMessage(string text)
    {
        // push simple message to message list
        MessageOverflowHandler();
        Message newMessage = new Message();
        newMessage.text = text;

        GameObject newText = Instantiate(messageTextPrefab, messagePanelObj.transform);
        newMessage.textObject = newText.GetComponent<TextMeshProUGUI>();
        newMessage.textObject.text = newMessage.text;

        messages.Add(newMessage);
    }

    // push multi color message to message list
    public void PushMessage(List<string> messageList,List<string> colorList)
    {
        // check messages and colors list length match
        if (messageList.Count != colorList.Count)
        {
            // delete extra messages or add white color to extra messages
            if (messageList.Count > colorList.Count)
            {
                for (int i = 0; i < messageList.Count - colorList.Count; i++)
                {
                    colorList.Add(defaultColor);
                }
            }
            else
            {
                colorList.RemoveRange(messageList.Count, colorList.Count - messageList.Count);
            }
            
        }
        MessageOverflowHandler();
        Message newMessage = new Message();
        newMessage.text = "";
        // assemble message text with color
        for (int i = 0; i < messageList.Count; i++)
        {
            newMessage.text += "<color=" + colorList[i] + ">" + messageList[i] + "</color>";
        }
        GameObject newText = Instantiate(messageTextPrefab, messagePanelObj.transform);
        newMessage.textObject = newText.GetComponent<TextMeshProUGUI>();
        newMessage.textObject.text = newMessage.text;

        messages.Add(newMessage);
    }

    [System.Serializable]
    public class Message
    {
        public string text;
        public TMPro.TextMeshProUGUI textObject;
    }

    private void MessageOverflowHandler()
    {
        // destroy the oldest message if message list is full
        if (messages.Count >= maxMessageNum)
        {
            Destroy(messages[0].textObject.gameObject);
            messages.RemoveAt(0);
        }
    }
}