using System;
using System.Linq;
using AibisDream.Framework;
using AibisDream.Kit;
using AibisDream.Utility;
using UnityEngine;
using Yarn.Unity;

namespace AibisDream
{
    public interface IDialogView
    {
        public void ShowLine(string dialogLine, CharacterVo character, Action nextStep, bool isAutoSkip = false);

        public void ShowOptions(DialogOption[] dialogueOptions);

        public void HideDialog();

        public bool TrySkipLine();

        public void NextStep();
    }

    public struct DialogOption
    {
        private Action<int> _onOptionSelected;
        private DialogueOption _option;

        public bool IsAvailable => _option.IsAvailable;
        public string Line => _option.Line.TextWithoutCharacterName.Text;
        public CharacterVo Character => _option.Line.GetCharacterVo();

        /// <summary>
        /// 选择该选项
        /// </summary>
        public void Select()
        {
            if (!_option.IsAvailable)
            {
                Debug.Log($"{_option.Line} 不可用");
                return;
            }
            
            EnumEventSystem.Global.Send(DialogEventEnum.OptionSelected, TransToLine());
            _onOptionSelected.Invoke(_option.DialogueOptionID);
        }

        private DialogText TransToLine()
        {
            return new DialogText
            {
                isOption = true,
                lineId = _option.TextID,
                line = _option.Line.TextWithoutCharacterName.Text,
                actor = _option.Line.GetCharacterVo()
            };
        }

        public static DialogOption[] GeneOptions(DialogueOption[] dialogueOptions, Action<int> onOptionSelected)
        {
            return dialogueOptions
                .Select(item => new DialogOption { _option = item, _onOptionSelected = onOptionSelected }).ToArray();
        }
    }
}