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

/// <summary>
/// 步骤状态（管理一个步骤下的所有需要初始化的状态）
/// </summary>
public abstract class StepState : MonoBehaviour
{
    [HideInInspector]
    public int systemId;
    [HideInInspector]
    public int schemeId;


    public Dictionary<int,E_SceneType> steps=new Dictionary<int, E_SceneType>();

    public void Init()
    {
        schemeId = int.Parse(transform.name);
        systemId = int.Parse(transform.parent.name);
    }

    /// <summary>
    /// 跳步骤
    /// </summary>
    /// <param name="num">从一开始</param>
    public void JumpStep(int num)
    {
        //检查是否跳场景
        InvokeChangeScene(steps[num], isChangeSence =>
        {
            //找到此步骤场景第一个
            int first = steps.First(a => a.Value == steps[num]).Key;

            //从场景第一个开始还原到此步骤
            foreach (var item in steps)
            {
                if(item.Key>=first && item.Key<=num)
                {
                    SetStepState(item.Key,num);
                }
            }
        });
    }

    /// <summary>
    /// 跳场景并且执行场景状态设置
    /// </summary>
    /// <param name="jumpSence"></param>
    /// <param name="doStepState"></param>
    public void InvokeChangeScene(E_SceneType jumpSence, Action<bool> doStepState)
    {
        string sname = "";
        switch (jumpSence)
        {
            case E_SceneType.None:
                return;
            case E_SceneType.Office:
                sname = "03_OfficeScene";
                break;
            case E_SceneType.ToolRoom:
                sname = "04_ToolMaterialScene";
                break;
            case E_SceneType.Site:
                sname = "05_LiveScene";
                break;
            default:
                return;
        }
        if (GameManager.RunModelMgr.SceneType != jumpSence)
        {
            //跳场景
            GameManager.UIMgr.ShowPanel<UI_LoadingPanel>(E_UI_Layer.System);
            GameManager.ScenesMgr.LoadSceneAsyn(sname, () =>
            {
                Debug.Log("步骤场景：" + jumpSence.ToString());
                GameManager.UIMgr.HidePanel<UI_LoadingPanel>();
                GameManager.RunModelMgr.SceneType = jumpSence;
                GameManager.EventMgr.EventTrigger(Enum_EventType.SwitchScene, jumpSence);
                GameManager.EventMgr.EventTrigger<string>(Enum_EventType.SwitchSubProcessStepTriggerID, ProcessManager.Instance.subProcessStepTriggerID);

                doStepState?.Invoke(true);
            });
        }
        else
        {
            doStepState?.Invoke(false);
        }
    }

/// <summary>
/// 执行步骤还原
/// </summary>
/// <param name="num">要执行的步骤</param>
/// <param name="lastNum">目标步骤</param>
    public abstract void SetStepState(int num,int lastNum);
}