using SKMC.Api.Common.Logger;
using SKMC.Api.Motion.Model;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;

namespace SKMC.Api.Process.Model
{
    /// <summary>
    /// 流程步骤
    /// </summary>
    public class ProcessStep
    {
        protected static readonly ILogger log = LogFactory.Get();

        /// <summary>
        /// 活动Id
        /// </summary>
        public int Id { get; set; }

        /// <summary>
        /// 活动名称
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// 是否活动中
        /// </summary>
        public bool InAction { get; set; }

        /// <summary>
        /// Di触发条件集合
        /// </summary>
        public List<DioCnd> TriggerDiCnds { get; set; } = new List<DioCnd>();

        /// <summary>
        /// 电机触发条件集合
        /// </summary>
        public List<AxisCnd> TriggerAxisCnds { get; set; } = new List<AxisCnd>();

        /// <summary>
        /// 
        /// </summary>
        public List<DioCnd> AlarmDiCnds { get; set; } = new List<DioCnd>();

        /// <summary>
        /// 
        /// </summary>
        public List<AxisCnd> AlarmAxisCnds { get; set; } = new List<AxisCnd>();

        /// <summary>
        /// 流程站点
        /// </summary>
        public ProcessStation ProcessStation { get; set; }

        // 跳过条件判断(一次)
        public bool SkipCndOnce { get; set; }

        /// <summary>
        /// 是否初始步骤
        /// </summary>
        public bool First { get; set; }

        /// <summary>
        /// 是否自动模式
        /// 自动模式下完成Actions后会自动提交下一个流程步骤(按注册顺序)
        /// 默认为自动模式
        /// 可取消自动模式, 在Actions最后调用ProcessStation的PostManual提交指定的流程步骤
        /// </summary>
        public bool AutoMode { get; set; } = true;

        /// <summary>
        /// 满足该条件函数将执行Action动作
        /// </summary>
        public Func<bool> ActionCnd { get; set; }

        /// <summary>
        /// 项目实现的动作链
        /// 通过ActionCnd判断后回调执行
        /// </summary>
        public Action Actions { get; set; }

        /// <summary>
        /// 未通过ActionCnd判断的超时时间, 单位ms, 默认-1表示不启用
        /// </summary>
        [Obsolete("此属性已暂时废弃")]
        public int Timeout { get; set; } = -1;

        /// <summary>
        /// 超过Timeout后回调执行
        /// </summary>
        [Obsolete("此属性已暂时废弃")]
        public Action Defaults { get; set; }

        /// <summary>
        /// 与ActionCnd同时判断, 如果满足AlarmCnd将执行Alarms
        /// </summary>
        public Func<bool> AlarmCnd { get; set; }

        /// <summary>
        /// 满足AlarmCnd后执行的动作
        /// </summary>
        public Action Alarms { get; set; }

        public string StepCode { get; set; }

        /// <summary>
        /// 测试模式下绕过ActionCnd, 通过该延时触发Actions
        /// </summary>
        public int TestDelay { get; set; }

        /// <summary>
        /// 是否可用
        /// </summary>
        public bool IsEnabled { get; set; } = true;

        /// <summary>
        /// 是否挂起
        /// </summary>
        public bool IsSuspend { get; set; }

        /// <summary>
        /// 是否停止
        /// </summary>
        public bool IsStoped { get; set; }

        /// <summary>
        /// 顺序号
        /// </summary>
        public int Seq { get; set; }

        /// <summary>
        /// 开始时间戳
        /// </summary>
        public long StartTicks { get; set; }

        /// <summary>
        /// 判断次数 (ActionCnd未通过后+1)
        /// </summary>
        public int CheckCount { get; set; }

        public ProcessStep()
        {
        }

        public ProcessStep(ProcessStation processStation) : this()
        {
            ProcessStation = processStation;
        }

        /// <summary>
        /// 获取流程站点的状态
        /// </summary>
        /// <param name="matType">状态类型, 可以是物料也可以是站点</param>
        /// <param name="stationId">流程站点的Id, 如果是本站则为-1</param>
        /// <param name="fromStorage">是否从持久化获取, 如果为true并且从持久化获取成功, 将覆盖掉内存中已有的数据</param>
        /// <returns></returns>
        public int GetStationStatus(int matType, int stationId = -1, bool fromStorage = false) =>
            ProcessStation.GetStationStatus(matType, stationId, fromStorage);

        /// <summary>
        /// 判断流程站点的状态是否在给定的状态值内
        /// 只要满足其中一个状态值返回true, 全部不满足返回false
        /// </summary>
        /// <param name="matType">状态类型, 可以是物料也可以是站点</param>
        /// <param name="stationId">流程站点的Id, 如果是本站则为-1</param>
        /// <param name="statusVals">需要比较的状态值集合</param>
        /// <returns></returns>
        public bool CheckStationStatus(int matType, int stationId, int[] statusVals) =>
            ProcessStation.CheckStationStatus(matType, stationId, statusVals);

        /// <summary>
        /// 设置流程站点的状态
        /// </summary>
        /// <param name="matType">状态类型, 可以是物料也可以是站点</param>
        /// <param name="status">状态值</param>
        /// <param name="stationId">站点Id, -1表示本站</param>
        /// <param name="toStorage">是否同步持久化保存, 如果为true并且持久化中已有相同matType将会覆盖</param>
        public void SetStationStatus(int matType, int status, int stationId = -1, bool toStorage = false) =>
            ProcessStation.SetStationStatus(matType, status, stationId, toStorage);

        /// <summary>
        /// 删除流程站点的状态
        /// </summary>
        /// <param name="matType"></param>
        /// <param name="stationId"></param>
        public void RemoveStationStatus(int matType, int stationId = -1) =>
            ProcessStation.RemoveStationStatus(matType, stationId);

        /// <summary>
        /// 清除流程站点的所有状态
        /// </summary>
        /// <param name="stationId"></param>
        public void ClearStationStatus(int stationId = -1) => ProcessStation.ClearStationStatus(stationId);


        /// <summary>
        /// 在ProcessStationManager中更新当前运行的Step
        /// </summary>
        public void UpdateRunningStep()
        {
            ProcessStation.ProcessStationManager.runningSteps[ProcessStation.Id] = this;
        }

        /// <summary>
        /// 等待条件满足
        /// </summary>
        /// <param name="cnd">满足的条件</param>
        /// <param name="onTimeout">超时后动作</param>
        /// <param name="timeout">超时时间, 默认60秒</param>
        /// <param name="period">条件判断间隔</param>
        public void WaitingFor(Func<bool> cnd, Action onTimeout = null, int timeout = 60000, int period = 100)
        {
            int loops = timeout / period + 1;
            for (int i = 0; i < loops; i++)
            {
                if (cnd.Invoke()) return;
                Thread.Sleep(period);
            }
            if (onTimeout != null) onTimeout.Invoke();
        }

        /// <summary>
        /// 回复Step属性状态
        /// </summary>
        public void Reset()
        {
            IsStoped = false;
            IsSuspend = false;
            InAction = false;
        }

        /// <summary>
        /// 每次执行动作前的准备
        /// </summary>
        public Action OnPrepare { get; set; }

        /// <summary>
        /// 回调方法
        /// </summary>
        public void DoActions()
        {
            double waitTime = 0;
            if (StartTicks > 0)
            {
                waitTime = (DateTime.Now.Ticks - StartTicks) / 10000d;
            }

            log.Debug($"任务[{ProcessStation.Id}-{Id}:{Name}]动作开始... 等待用时: {waitTime}");
            Stopwatch stopwatch = Stopwatch.StartNew();
            // 回复Di初始值
            foreach (var diCnd in TriggerDiCnds)
            {
                diCnd.Reset();
            }
            InAction = true;
            Actions?.Invoke();
            InAction = false;
            stopwatch.Stop();
            log.Debug($"任务[{ProcessStation.Id}-{Id}:{Name}]动作完成, 运行用时: {stopwatch.Elapsed.TotalMilliseconds}");
        }

        public void DoDefaults()
        {
            log.Debug($"任务[{ProcessStation.Id}-{Id}:{Name}]等待超时...");
            InAction = true;
            //Defaults?.Invoke();
            InAction = false;
            log.Debug($"任务[{ProcessStation.Id}-{Id}:{Name}]超时处理完成");
        }

        public void DoAlarms()
        {
            log.Debug($"任务[{ProcessStation.Id}-{Id}:{Name}]告警开始...");
            foreach (var diCnd in TriggerDiCnds)
            {
                diCnd.Reset();
            }
            InAction = true;
            Alarms?.Invoke();
            InAction = false;
            log.Debug($"任务[{ProcessStation.Id}-{Id}:{Name}]告警处理完成");
        }

        public void DoStop()
        {
            IsStoped = true;
            if (OnStop != null) OnStop?.Invoke();
            InAction = false;
        }

        /// <summary>
        /// 停止
        /// </summary>
        public Action OnStop { get; set; }

        public void DoEmgStop()
        {
            IsStoped = true;
            OnEmgStop?.Invoke();
        }

        /// <summary>
        /// 急停
        /// </summary>
        public Action OnEmgStop { get; set; }

        public void DoPause()
        {
            IsSuspend = true;
            OnPause?.Invoke();
        }

        public Action OnPause { get; set; }

        public void DoResume()
        {
            IsSuspend = false;
            StartTicks = DateTime.Now.Ticks;
            OnResume?.Invoke();
        }
        public Action OnResume { get; set; }

        public override bool Equals(object obj)
        {
            return obj is ProcessStep step && Id == step.Id;
        }

        public override int GetHashCode()
        {
            return 2108858624 + Id.GetHashCode();
        }
    }
}