using cfg.GuideCfg;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Gameplay.Guide
{
    /// <summary>
    /// 引导组
    /// </summary>
    public class GuideGroup
    {
        /// <summary>
        /// 引导步骤
        /// </summary>
        private readonly LinkedList<GuideStepBase> linkGuideStep;
        /// <summary>
        /// 当前引导步骤
        /// </summary>
        private LinkedListNode<GuideStepBase> curStep;

        #region 属性
        /// <summary>
        /// 引导组id
        /// </summary>
        public int GroupId
        {
            get; private set;
        }

        /// <summary>
        /// 是否引导中
        /// </summary>
        public bool IsGuiding
        {
            get { return curStep != null && curStep.Value.IsGuiding; }
        }

        /// <summary>
        /// 是否引导完成
        /// </summary>
        public bool IsComplete
        {
            get { return curStep != null && curStep == linkGuideStep.Last && E_GuideState.Complete == curStep.Value.GuideState; }
        }

        /// <summary>
        /// 当前引导步骤
        /// </summary>
        public GuideStepBase CurStep
        {
            get { return curStep.Value; }
        }

        /// <summary>
        /// 获取下一步引导id
        /// </summary>
        public int NextGroupId
        {
            get
            {
                if (null == linkGuideStep.Last)
                    return 0;

                return linkGuideStep.Last.Value.Cfg.NextId;
            }
        }
        #endregion

        /// <summary>
        /// 引导组构造
        /// </summary>
        /// <param name="groupId"></param>
        /// <param name="linkCfg"></param>
        /// <param name="isSkipBeginSkip">是否跳过起始步骤</param>
        public GuideGroup(int groupId, LinkedList<DataGuideCfg> linkCfg, bool isSkipBeginSkip = false)
        {
            GroupId = groupId;
            linkGuideStep = new();

            foreach (DataGuideCfg cfg in linkCfg)
            {
                if (!isSkipBeginSkip)
                {
                    linkGuideStep.AddLast(CreateGuideStep(cfg));
                    continue;
                }

                if (!cfg.IsBeginStep)
                    linkGuideStep.AddLast(CreateGuideStep(cfg));
            }

            curStep = linkGuideStep.First;
        }

        /// <summary>
        /// 开始引导
        /// </summary>
        public void BeginGuide()
        {
            if (null == curStep)
                return;

            curStep.Value.StartGuide();
        }

        /// <summary>
        /// 开始下一步引导
        /// </summary>
        public void BeginNextStep()
        {
            curStep = curStep.Next;
            curStep.Value.StartGuide();
        }

        /// <summary>
        /// 开始指定步骤引导
        /// </summary>
        /// <param name="id"></param>
        public void BeginGuideById(int id)
        {
            curStep = linkGuideStep.First;
            while (null != curStep)
            {
                if (curStep.Value.Cfg.Id == id)
                    break;

                curStep = curStep.Next;
            }

            curStep?.Value.StartGuide();
        }

        /// <summary>
        /// 结束引导
        /// </summary>
        public void EndGuide()
        {
            if (IsGuiding)
            {
                UIRoot.Instance.IsEnableGraphicRaycasterByGuide(true);
                curStep.Value.EndGuide();
            }
        }

        /// <summary>
        /// 创建引导步骤
        /// </summary>
        /// <param name="dataGuideCfg"></param>
        /// <returns></returns>
        private GuideStepBase CreateGuideStep(DataGuideCfg dataGuideCfg)
        {
            if (null == dataGuideCfg)
                return null;

            return dataGuideCfg.GuideStepType switch
            {
                E_GuideStepType.PlayVideo => new PlayVideoStep(dataGuideCfg),
                E_GuideStepType.ClickButton => new ClickButtonStep(dataGuideCfg),
                E_GuideStepType.DragButton => new SliderButtonStep(dataGuideCfg),
                E_GuideStepType.ClickFloor => new ClickFloorStep(dataGuideCfg),
                E_GuideStepType.EnterHome => new EnterMainStateStep(dataGuideCfg),
                E_GuideStepType.ShowGuideTip => new ShowGuideTipStep(dataGuideCfg),
                E_GuideStepType.EnterLevel => new EnterLevelStep(dataGuideCfg),
                E_GuideStepType.Embattle => new LevelEmbattleStep(dataGuideCfg),
                E_GuideStepType.EmbattleVehicle => new LevelEmbattleStep(dataGuideCfg),
                E_GuideStepType.TeachFightMove => new TeachFightMoveStep(dataGuideCfg),
                E_GuideStepType.TeachFightAttack => new TeachFightAttackStep(dataGuideCfg),
                E_GuideStepType.TeachFightEmbattle => new TeachFightEmbattle(dataGuideCfg),
                E_GuideStepType.TeachFightMoraleAndRepression => new TeachMoraleAndRepression(dataGuideCfg),
                E_GuideStepType.TeachFightUseSkill => new TeachUseSkill(dataGuideCfg),
                E_GuideStepType.WaitLevelComplete => new WaitLevelOver(dataGuideCfg),
                E_GuideStepType.OpenChoosePerson => new OpenChoosePersonStep(dataGuideCfg),
                E_GuideStepType.Wait => new WaitStep(dataGuideCfg),
                E_GuideStepType.WaitOpenChangeName => new WaitOpenChangeName(dataGuideCfg),
                E_GuideStepType.WaitEditTeam => new WaitEditTeamStep(dataGuideCfg),
                E_GuideStepType.NoteStep => new NoteStep(dataGuideCfg),
                E_GuideStepType.SaveDefaultTeam => new SaveDefaultTeamStep(dataGuideCfg),
                _ => throw new Exception($"未处理类型:{dataGuideCfg.GuideStepType}"),
            };
        }
    }
}