using Cowain.Base.Models;
using HslCommunication;
using HslCommunication.Core;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Plugin.Cowain.Driver;
using Plugin.Cowain.Driver.Abstractions;
using Plugin.Cowain.Driver.Attributes;
using Plugin.Cowain.Driver.Models;
using Plugin.Cowain.Wcs.IServices;
using Plugin.Cowain.Wcs.Models.Enum;
using Plugin.Cowain.Wcs.Services;
using System.Text.Json;

namespace Plugin.Cowain.Wcs.Actions;

/// <summary>
/// 工站需要上下料请求
/// </summary>
[Action("Station", "工站请求命令")]
public class StationAction : IVariableAction
{

    private class ParamData
    {
        /// <summary>
        /// PLC名称
        /// </summary>
        public string StationCode { get; set; } = string.Empty;
        /// <summary>
        /// PLC名称
        /// </summary>
        public string PlcName { get; set; } = string.Empty;
        /// <summary>
        /// 命令地址
        /// </summary>
        public string CmdAddress { get; set; } = string.Empty;

        /// <summary>
        /// 反馈命令地址
        /// </summary>
        public string RetCmdAddress { get; set; } = string.Empty;
    }

    private readonly IDeviceMonitor _deviceMonitor;
    private IServiceScopeFactory _scopeFactory;
    private readonly ILogger<StationAction> _logger;
    public StationAction(IDeviceMonitor deviceMonitor, IServiceScopeFactory scopeFactory, ILogger<StationAction> logger)
    {
        _deviceMonitor = deviceMonitor;
        _scopeFactory = scopeFactory;
        _logger = logger;
    }



    public async Task<ResultModel> ExecuteAsync(VariableAction variableAction, CancellationToken cancellationToken)
    {
        _logger.LogInformation($"执行测试事件：{variableAction.Variable.Name}-{variableAction.Variable.Address}，参数：{variableAction.Param},旧值:{variableAction.Variable.OldValue}，新值:{variableAction.Variable.Value}");

        var _param = JsonSerializer.Deserialize<ParamData>(variableAction.Param);
        if (_param == null)
        {
            return ResultModel.Error("参数解析失败");
        }

        var driver = _deviceMonitor.GetDriver(_param.PlcName);
        if (!driver.IsSuccess)
        {
            return ResultModel.Error($"未找到名称为 {_param.PlcName} 的Driver");
        }
        var plc = driver.Data.GetReadWrite();
        if (plc == null)
        {
            return ResultModel.Error($"GetReadWrite为空，PLC={_param.PlcName}");
        }
        var read = await ReadAsync(plc, _param.CmdAddress);
        if (!read.IsSuccess)
        {
            _logger.LogError($"从PLC读取工站数据失败：{_param.PlcName}->{_param.CmdAddress}，{read.ErrorMessage}");
            return ResultModel.Error($"读命令失败：{_param.PlcName}->{_param.CmdAddress}，{read.ErrorMessage}");
        }
        using var scope = _scopeFactory.CreateScope();
        var stationService = scope.ServiceProvider.GetRequiredService<IStationService>();
        var stations = await stationService.GetAllAsync();
        var station = stations.FirstOrDefault(x => x.StationCode == _param.StationCode);
        if (station == null)
        {
            _logger.LogError($"工站不存在，请检查：{_param.StationCode}");
            return ResultModel.Error($"工站不存在，请检查：{_param.StationCode}");
        }
        station.UpdateSource = StationUpdateSourceEnum.PLC;
        if (read.Data.Command == (short)StationStateEnum.RequestPick)
        {
            station.Status = StationStateEnum.RequestPick.ToString();
            station.QrCode = read.Data.QrCode;
        }
        else if (read.Data.Command == (short)StationStateEnum.RequestPlace)
        {
            station.Status = StationStateEnum.RequestPlace.ToString();
        }
        else if (read.Data.Command == (short)StationStateEnum.NgPick)
        {
            station.Status = StationStateEnum.NgPick.ToString();
            station.QrCode = read.Data.QrCode;
        }
        else if (read.Data.Command == 1)
        {
            //清除工站信息
            station.QrCode = "";
            station.ProcessName = "";
            station.Status = StationStateEnum.UnKnown.ToString();
        }
        else
        {
            _logger.LogError($"命令不正确，请检查：{_param.StationCode}，{read.Data.Command}");
            return ResultModel.Error($"命令不正确，请检查：{_param.StationCode}，{read.Data.Command}");
        }
        station.ProcessName = read.Data.ProcessName;
        //这里没有判断产品名称是否正确，如果不正确需要返回PLC NG,待完善
        _logger.LogInformation($"工站更新开始：{_param.StationCode}，{read.Data.Command}");
        var stationTaskHandler = scope.ServiceProvider.GetRequiredService<IEnumerable<IHostedService>>();
        var stationQueueHostedService = stationTaskHandler.OfType<StationQueueHostedService>().FirstOrDefault();
        var tcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
        station.UpdatedAction = result => tcs.TrySetResult(result);
        stationQueueHostedService?.Enqueue(station);
        var ret = await tcs.Task;
        _logger.LogInformation($"工站更新结束：{_param.StationCode}，{read.Data.Command}");

        //使用批量写入，保证PLC数据一致性，避免出现部分数据未写成功的情况，要么都没写成功
        if (ret)
        {
            //工站更新OK
            var writeResult = await plc.WriteValuesAysnc(_param.RetCmdAddress, new short[] { read.Data.Command, (short)1, read.Data.Count });
        }
        else
        {
            //工站更新NG
            var writeResult = await plc.WriteValuesAysnc(_param.RetCmdAddress, new short[] { read.Data.Command, (short)2, read.Data.Count });

        }
        return ResultModel.Success();
    }


    private async Task<ResultModel<StationRequestData>> ReadAsync(IReadWriteDevice driver, string address)
    {
        var readResult = await driver.ReadAsync(address, 70);
        if (!readResult.IsSuccess)
        {
            ResultModel<StationRequestData>.Error(readResult.Message);
        }
        StationRequestData requestData = new StationRequestData
        {
            Command = driver.ByteTransform.TransInt16(readResult.Content, 0),
            Count = driver.ByteTransform.TransInt16(readResult.Content, 2),
            ProcessName = readResult.Content.RemoveBegin(4).GetS7String(),
            NgStationName = readResult.Content.RemoveBegin(26).GetS7String(),
            QrCode = readResult.Content.RemoveBegin(48).GetS7String()
        };
        return ResultModel<StationRequestData>.Success(requestData);
    }

}


public class StationRequestData
{
    public string QrCode { get; set; } = string.Empty;
    public string ProcessName { get; set; } = string.Empty;
    public string NgStationName { get; set; } = string.Empty;
    public short Command { get; set; }
    public short Count { get; set; }
}