using UnityEngine;
using AibisDream.UI;
using AibisDream.Framework;
using System;
using TMPro;

namespace AibisDream.FixSystem
{
    public class ScreenPanel : MonoBehaviour, ILineView
    {
        private const string WarningCharacterKey = "Error";
        private static readonly Color WarningRedColor = new(0.9607843f, 0.4235294f, 0.4235294f, 1f);
        private static readonly Color AmberColor = new(0.9019608f, 0.6352941f, 0.2352941f, 1f);
        private static readonly Color BodyTextColor = new(0.9196079f, 0.7009804f, 0.372549f, 1f);

        [SerializeField] private TMP_Text title;
        [SerializeField] private TerminalText logText;

        private void Awake()
        {
            EnumEventSystem.Global.Register<ScreenEventEnum, GameObject>(ScreenEventEnum.Selected, OnSelected);
            EnumEventSystem.Global.Register(EventEnum.PlugOut, ClearScreen);

            logText?.SetTextColor(BodyTextColor);
        }

        private void OnDestroy()
        {
            EnumEventSystem.Global.UnRegister(ScreenEventEnum.Selected);
            EnumEventSystem.Global.UnRegister(EventEnum.PlugOut);
        }

        private void OnSelected(GameObject obj)
        {
            gameObject.SetActive(obj == gameObject);
        }

        // ---------------------- 对话框功能 ----------------------
        public void RunLine(LineSyncToken token)
        {
            if (logText != null)
            {
                EnumEventSystem.Global.Send(ScreenEventEnum.Selected, gameObject);

                logText.PrepareForLine();
                logText.OnTextShown += () => token.TextShown();

                bool isWarning = string.Equals(token.lineInfo.character.key, WarningCharacterKey,
                    StringComparison.OrdinalIgnoreCase);

                title.overrideColorTags = true;
                title.color = isWarning ? WarningRedColor : AmberColor;
                title.text = token.lineInfo.character.GetActorName();
                logText.SetTypewriterSpeed(TextSpeedSettings.CurrentMultiplier);
                token.TextStart();
                logText.AddText(token.lineInfo.lineText);
            }
            else
            {
                Debug.LogError("UniversalScreen: logText 为空");
            }
        }

        public void ClearScreen()
        {
            logText.Clear();
            title.text = string.Empty;
        }
    }
}