using System;
using System.Collections.Generic;
using System.Linq;
using AibisDream.Kit;
using UnityEngine;

namespace AibisDream
{
    public class DialogBubbleViewer : MonoBehaviour, IDialogView
    {
        private const string PlayerBubble = "Player Bubble";
        private const string ActorBubble = "Actor Bubble";
        private const string NormalBox = "Normal Box";

        private IDialogView _normalBox;
        private IDialogView _playerBubble;

        private IDialogView _actorBubble;

        private List<IDialogView> _dialogViews;

        private IDialogView _currentView;

        private Action _nextStep;

        private void Awake()
        {
            Init();
        }

        private void Init()
        {
            _normalBox = transform.Find(NormalBox).GetComponent<IDialogView>();
            _playerBubble = transform.Find(PlayerBubble).GetComponent<IDialogView>();
            _actorBubble = transform.Find(ActorBubble).GetComponent<IDialogView>();

            _dialogViews = new List<IDialogView> { _normalBox, _playerBubble, _actorBubble };
            _dialogViews.ForEach(item => item.HideDialog());
        }

        public void ShowLine(string dialogLine, CharacterVo character, Action nextStep, bool isAutoSkip = false)
        {
            gameObject.SetActive(true);
            // 根据角色信息气泡
            _currentView = SelectBubbleByCharacter(character);
            // 处理其他泡泡
            ProcessOtherBox();
            // 显示对话
            _currentView.ShowLine(dialogLine, character, nextStep, isAutoSkip);
        }

        public void ShowOptions(DialogOption[] options)
        {
            gameObject.SetActive(true);
            _currentView = _normalBox;
            // 目前只有正常Box可以展示选项
            // 处理其他泡泡
            ProcessOtherBox();

            // 展示选项
            _normalBox.ShowOptions(options);
        }

        public void HideDialog()
        {
            gameObject.SetActive(false);
            // 隐藏整个对话组件
            _dialogViews?.ForEach(item => item.HideDialog());
        }

        public bool TrySkipLine()
        {
            return _currentView == null || _currentView.TrySkipLine();
        }

        public void NextStep()
        {
            _currentView.NextStep();
        }

        private IDialogView SelectBubbleByCharacter(CharacterVo characterVo)
        {
            var targetBubble = characterVo.role switch
            {
                ActorRole.Player => _playerBubble,
                ActorRole.MainActor => _actorBubble,
                ActorRole.Aside => _normalBox,
                _ => _normalBox
            };

            foreach (var bubble in _dialogViews.Where(bubble => bubble != targetBubble))
            {
                bubble.HideDialog();
            }

            return targetBubble;
        }

        private void ProcessOtherBox()
        {
            if (_currentView == _actorBubble || _currentView == _playerBubble)
            {
                _normalBox.HideDialog();
            }

            if (_currentView == _normalBox)
            {
                _actorBubble.HideDialog();
                _playerBubble.HideDialog();
            }
        }
    }
}