using System;
using System.Collections;
using System.Collections.Generic;
using Lean.Pool;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace Ichni.Editor
{
    public class LogWindow : StaticWindow
    {
        public GameObject logTextPrefab;

        List<string> savedTexts;

        public RectTransform textRect;
        public Button copyAllTextsButton;
        public Button removeAllTextsButton;
        public Queue<LogText> logTexts;
        public int logTextCapacity = 4;

        protected override void Start()
        {
            base.Start();
            savedTexts = new List<string>();
            logTexts = new Queue<LogText>();
            copyAllTextsButton.onClick.AddListener(CopyAllText);
            removeAllTextsButton.onClick.AddListener(RemoveAllText);
        }

        public static void Log(string text, Color color = default)
        {
            EditorManager.instance.uiManager.mainPage.logWindow.AddLog(text, color);
        }

        private void AddLog(string text, Color color = default)
        {
            CheckLogTextCapacity();
            LogText logText = LeanPool.Spawn(logTextPrefab, textRect).GetComponent<LogText>();
            if (color == default) color = Color.white;
            savedTexts.Add(text);
            logText.SetLogText(text, color);
            logTexts.Enqueue(logText);
        }

        private void CheckLogTextCapacity()
        {
            if (logTexts.Count >= logTextCapacity)
            {
                LeanPool.Despawn(logTexts.Dequeue().gameObject);
            }
        }

        private void CopyAllText()
        {
            string allText = "";
            foreach (string text in savedTexts)
            {
                allText += text + "\n";
            }

            GUIUtility.systemCopyBuffer = allText;
        }

        private void RemoveAllText()
        {
            foreach (LogText logText in logTexts)
            {
                LeanPool.Despawn(logText.gameObject);
            }
            logTexts.Clear();
            savedTexts.Clear();
        }
    }

}