using Cowain.Bake.Common.Core;
using Cowain.Bake.Common.Enums;
using Cowain.Bake.Model;
using Cowain.Bake.Model.Entity;
using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using Unity;

namespace Cowain.Bake.BLL
{
    public class TaskRecordService : ServiceBase
    {
        public TaskRecordService(IUnityContainer unityContainer) : base(unityContainer)
        {
        }

        public List<TTaskRecord> GetAllTaskRun()
        {
            using (var Context = new BakingEntities())
            {
                var taskRunList = Context.Set<TTaskRecord>().OrderBy(x => x.Status).ThenByDescending(x => x.BuildTime).Take(1000).ToList();
                if (taskRunList == null)
                {
                    return null;
                }

                return taskRunList;
            }
        }

        public List<TTaskRecord> Query(DateTime startTime, DateTime endTime)
        {
            using (var Context = new BakingEntities())
            {
                return Context.Set<TTaskRecord>().Where(x => x.BuildTime >= startTime && x.BuildTime <= endTime)
                    .OrderByDescending(x=>x.Id).ToList();
            }
        }

        public int UpdateFinishStepId(int taskId)
        {
            using (var Context = new BakingEntities())
            {
                var task = Context.Set<TTaskRecord>().Where(x => x.Id == taskId).ToList().FirstOrDefault();
                task.StepId = (int)ETaskStep.Finish;
                return Context.SaveChanges();
            }
        }

        public int DeleteNotFinishTask()
        {
            using (var Context = new BakingEntities())
            {
                var trq = (from a in Context.Set<TTaskRecord>()
                           where a.Status != (int)ETaskStatus.ExecutionCompleted
                           select a);
                if (trq == null)
                {
                    return 0;
                }
                foreach (var item in trq)
                {
                    Context.Set<TTaskRecord>().Remove(item);
                }
                return Context.SaveChanges();
            }         
        }
        public int DeleteTask(long id)
        {
            using (var Context = new BakingEntities())
            {
                var trq = (from a in Context.Set<TTaskRecord>()
                           where a.Id == id
                           select a).FirstOrDefault();
                if (trq == null)
                {
                    return 0;
                }
                Context.Set<TTaskRecord>().Remove(trq);
                return Context.SaveChanges();
            }        
        }

        public int DeleteUnexecuteTask()
        {
            using (var Context = new BakingEntities())
            {
                var trq = (from a in Context.Set<TTaskRecord>()
                           where a.Status != (int)ETaskStatus.ExecutionCompleted
                           select a).ToList();
                if (trq == null)
                {
                    return 0;
                }
                Context.Set<TTaskRecord>().RemoveRange(trq);
                return Context.SaveChanges();
            }      
        }

        //是否有未执行或执行中的任务（PLC有任务要执行）
        public TTaskRecord UnexecuteTask()
        {
            using (var Context = new BakingEntities())
            {
                return Context.Set<TTaskRecord>().Where(x => x.Status != (int)ETaskStatus.ExecutionCompleted).FirstOrDefault();
            }
        }

        //public TaskEntity GetManualTask()
        //{
        //    using (var Context = new BakingEntities())
        //    {
        //        var trq = (from a in Context.Set<TTaskRecord>()
        //                   where a.Status != (int)ETaskStep.ExecutionCompleted
        //                   orderby a.Id descending
        //                   select a).FirstOrDefault();

        //        return null;
        //    }      
        //}

        public int UpdateTask()
        {
            using (var Context = new BakingEntities())
            {
                LogHelper.Instance.Debug("修改任务开始");
                return Context.Database.ExecuteSqlCommand("call ProcUpdateTask()");
            }
        }

        public int BindPalletToRobot()
        {
            using (var Context = new BakingEntities())
            {
                return Context.Database.ExecuteSqlCommand("call ProcBindPalletToRobot()");
            }
        }

        public (bool, int) IsPullInBaker()
        {
            using (var Context = new BakingEntities())
            {
                var record = (from taskRecord in Context.Set<TTaskRecord>()
                              join taskType in Context.Set<TTaskType>() on taskRecord.TaskTypeId equals taskType.Id
                              orderby taskRecord.Id descending
                              //where taskType.Id == 1  //上料满夹具->烤箱 
                              select new
                              {
                                  TypeId = taskType.Id,
                                  PalletId = taskRecord.PalletId,
                              }).FirstOrDefault();

                if (null == record)
                {
                    return (false, 0);
                }

                if (1 != record.TypeId)  //where taskType.Id == 1  //上料满夹具->烤箱 
                {
                    return (false, 0);
                }

                return (true, record.PalletId);
            }        
        }

        public TaskEntity GetTask() 
        {
            try
            {
                using (var Context = new BakingEntities())
                {
                    TaskEntity result = Context.Database.SqlQuery<TaskEntity>("CALL ProcGetTask(1);").FirstOrDefault(); //显示FirstOrDefault崩溃，

                    if (null == result)
                    {
                        return null;
                    }

                    result.Status = (int)ETaskStatus.UnExecute;
                    result.StepId = (int)ETaskStep.Unexecuted;
                    result.BuildTime = DateTime.Now;
                    TTaskRecord taskRecord = new TTaskRecord()
                    {
                        PalletId = result.PalletId,
                        TaskTypeId = result.TaskTypeId,
                        Source = result.Source,
                        Target = result.Target,
                        Status = result.Status,
                        BuildTime = result.BuildTime,
                        StepId = result.StepId,
                    };

                    Context.Set<TTaskRecord>().Add(taskRecord);
                    if (0 >= Context.SaveChanges())
                    {
                        LogHelper.Instance.Error("任务插入数据库失败,{num}!");
                        return null;
                    }
                    result.Id = taskRecord.Id;
                    return result;
                }
            }
            catch(Exception ex)
            {
                LogHelper.Instance.Fatal($"获取任务信息时崩溃,{ex.Message},{ex.StackTrace}");
            }

            return null;
        }

        public bool ModifyTaskStatus(ETaskStatus status)
        {
            using (var Context = new BakingEntities())
            {
                var task = (from a in Context.Set<TTaskRecord>()
                            where a.Status != (int)ETaskStatus.ExecutionCompleted
                            orderby a.Id descending  //只修改ID最大的
                            select a).FirstOrDefault();

                if (task == null)
                {
                    LogHelper.Instance.Error($"没有找到任务，所以修改任务状态失败!状态为:{status}");
                    return false;
                }

                //修改状态时间
                if (ETaskStatus.ExecutionCompleted == status)
                {
                    task.EndTime = DateTime.Now;
                }
                else if (ETaskStatus.Executing == status)
                {
                    task.StartTime = DateTime.Now;
                }

                task.Status = (int)status;
                return Context.SaveChanges() > 0 ?  true : false;
            }
        }

        //public TaskStatusEntity GetTaskShowInfo()
        //{
        //    //            sql = $@"SELECT t1.id, t1.Source,t1.Target,ti.PalletCode
        //    //,CASE t1.Status WHEN 0 THEN '未执行' WHEN 1 THEN '执行中' WHEN 2 THEN '执行完成' ELSE '未执行' END 'Status'
        //    // FROM TTaskRecord t1
        //    //LEFT JOIN TPalletInfo ti ON t1.PalletId=ti.Id
        //    //ORDER BY t1.Id DESC LIMIT 1";
        //    return (from t in Context.Set<TTaskRecord>()
        //            join p in Context.Set<TPalletInfo>() on t.PalletId equals p.Id
        //            orderby t.Id descending
        //            select new TaskStatusEntity
        //            {
        //                Source = t.Source,
        //                Target = t.Target,
        //                Status = ((ETaskStep)t.Status).GetDescription(),
        //                PalletCode = p.PalletCode
        //            }).FirstOrDefault();
        //}
    }
}