using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Sln.Wcs.ElevatorSdk.Dto;
using Sln.Wcs.Plc;

namespace Sln.Wcs.ElevatorSdk
{
    public class ElevatorSdk : IElevatorSdk
    {
        private readonly IServiceProvider _service;
        public List<PlcAbsractFactory> plcList;
        public ElevatorSdk(IServiceProvider services)
        {
            _service = services;
            plcList = _service.GetRequiredService<List<PlcAbsractFactory>>();
        }

        public async Task<ElevatorInfo> DispatchTaskAsync(ElevatorInfo request)
        {

            var response = new ElevatorInfo();
            var plc = plcList.Where(e => e.ConfigKey == request.plcKey).FirstOrDefault();
            if (plc != null && plc.IsConnected)
            {
                plc.writeStringByAddress("提升机当前任务ID", request.CurrentTaskId);
                plc.writeStringByAddress("当前流程ID", request.CurrentTaskId);
                plc.writeInt16ByAddress("提升机起始楼层", request.FromFloor);
                plc.writeInt16ByAddress("提升机终点楼层", request.ToFloor);
                plc.writeInt16ByAddress("任务类型", request.TaskType);
                plc.writeBoolByAddress("开始任务", true);

                response.TaskId = request.TaskId;
                response.FromFloor = request.FromFloor;
                response.ToFloor = request.ToFloor;
                response.TaskType = request.TaskType;
                if (plc.readInt16ByAddress("任务当前状态") == 1)
                {
                    response.TaskStatus = 1;
                }
                else
                {
                    response.TaskStatus = 0;
                }

            }

            return response;
        }

        public async Task<List<ElevatorInfo>> GetElevatorStatusListAsync()
        {
            var infoList = new List<ElevatorInfo>();
            if (plcList != null)
            {
                foreach (var plc in plcList)
                {
                    var info = new ElevatorInfo();
                    info.ElevatorId = plc.readStringByAddress("提升机ID", 10);
                    info.CurrentTaskId = plc.readStringByAddress("提升机当前任务ID", 10);
                    info.CurrentFloor = plc.readInt16ByAddress("提升机当前楼层");
                    info.RunningStatus = plc.readInt16ByAddress("提升机运行状态");
                    info.TaskId = plc.readStringByAddress("当前流程ID", 10);
                    info.TaskStatus = plc.readInt16ByAddress("任务当前状态");
                    info.TaskType = plc.readInt16ByAddress("任务类型");
                    infoList.Add(info);
                }
            }
            else {
                throw new Exception("PLC列表为空！");
            }
                return infoList;
        }

        public async Task<ElevatorInfo> GetTaskFeedbackAsync(ElevatorInfo request)
        {
            var response = new ElevatorInfo();
            var plc = plcList.Where(e => e.ConfigKey == request.plcKey).FirstOrDefault();
            if (plc != null)
            {
                response.TaskId = plc.readStringByAddress("当前流程ID", 10);
                response.FromFloor = plc.readInt16ByAddress("提升机起始楼层");
                response.ToFloor = plc.readInt16ByAddress("提升机终点楼层");
                response.TaskType = plc.readInt16ByAddress("任务类型");
                response.TaskStatus = plc.readInt16ByAddress("任务当前状态");
            }
            return response;
        }
    }
}