using System.Data;
using System.Data.SqlClient;
using NewPdaSqlServer.DB;
using NewPdaSqlServer.Dto.service;
using NewPdaSqlServer.entity;
using SqlSugar;

namespace NewPdaSqlServer.service.Warehouse;

/// <summary>
///     调拨出入库管理类
///     负责处理调拨出库相关的业务逻辑
/// </summary>
public class TransferOutManager : Repository<TransferOut>
{
    /// <summary>
    ///     获取未完成的调拨出库单号列表
    /// </summary>
    /// <returns>未完成的调拨出库单号列表</returns>
    public List<string> GetTransferOutNoList()
    {
        // 先从数据库获取Transfer_Out_ETAIL表的数据
        var transferOutDetails = Db.Queryable<TransferOutDetail>().ToList();

        // 使用LINQ对获取的数据进行分组和筛选
        // 筛选条件:申请数量(sq)不等于已扫数量(ys)的记录
        var result = transferOutDetails
            .GroupBy(x => x.Pid)
            .Select(g => new
            {
                pid = g.Key,
                sq = g.Sum(x => x.ShNum), // 申请数量合计
                ys = g.Sum(x => x.YsNum) // 已扫数量合计
            })
            .Where(x => (x.sq ?? 0) != (x.ys ?? 0))
            .Select(x => x.pid)
            .ToList();

        // 根据pid查询对应的出库单号
        var billNos = Db.Queryable<TransferOut>()
            .Where(x => result.Contains(x.Guid))
            .Select(x => x.BillNo)
            .ToList();

        return billNos;
    }

    /// <summary>
    ///     根据单据号获取待处理的调拨出库明细列表
    /// </summary>
    /// <param name="query">查询参数,包含单据号</param>
    /// <returns>待处理的调拨出库明细列表</returns>
    public List<TransferOutDetail> GetTransferOutDetailListByBillNo(
        WarehouseQuery query)
    {
        var p_bill_no = query.billNo;

        // 根据SQL查询条件获取待处理的出库明细
        // 关联查询TransferOutDetail、TransferOut和MesItems三张表
        // 筛选条件:未完成数量大于0且单据已审核
        var result = Db.Queryable<TransferOutDetail, TransferOut, MesItems>(
                (b, a, s) => new JoinQueryInfos(
                    JoinType.Left, b.Pid == a.Guid,
                    JoinType.Left, b.ItemId == s.Id))
            .Where((b, a, s) =>
                (b.ShNum ?? 0) - (b.YsNum ?? 0) > 0 // 未完成数量大于0
                && a.BillNo == p_bill_no // 匹配单据号
                && a.Status == 1) // 单据已审核
            .OrderBy((b, a, s) => s.ItemNo)
            .Select((b, a, s) => new TransferOutDetail
            {
                ItemNo = s.ItemNo,
                ItemModel = s.ItemModel,
                ShNum = b.ShNum, // 申请数量
                YsNum = b.YsNum, // 已扫数量
                // 保留其他必要字段...
                Pid = b.Pid,
                ItemId = b.ItemId,
                Guid = b.Guid
            })
            .ToList();

        return result;
    }

    /// <summary>
    ///     扫描条码进行调拨出库处理
    /// </summary>
    /// <param name="query">包含单据号、用户名和条码信息的查询参数</param>
    /// <returns>处理后的表单和待处理明细列表</returns>
    public (WarehouseQuery form, List<TransferOutDetail> items)
        ScanMoveBarcode(WarehouseQuery query)
    {
        var p_bill_no = query.billNo;
        var p_item_barcode = query.barcode;

        // 验证单据号
        if (string.IsNullOrEmpty(p_bill_no)) throw new Exception("请选取单据号！");

        // 查询出库单并验证状态
        var transferOut = Db.Queryable<TransferOut>()
            .Where(x => x.BillNo == p_bill_no && x.Status == 1)
            .First();
        if (transferOut == null) throw new Exception("未找到调拨申请单或者调拨申请单没审核");

        // 查询条码库存信息并验证
        var stock = Db.Queryable<MesInvItemStocks>()
            .Where(x => x.ItemBarcode == p_item_barcode
                        && x.Quantity > 0
                        && !string.IsNullOrEmpty(x.DepotsCode))
            .First();
        if (stock == null) throw new Exception($"库存中无此条码，请核对！{p_item_barcode}");

        // 查询物料信息
        var item = Db.Queryable<MesItems>()
            .Where(x => x.Id == stock.ItemId)
            .First();
        if (item == null) throw new Exception("未找到物料");

        var _strMsg = "";
        var _intSum = "";
        using (var conn = new SqlConnection(DbHelperSQL.strConn))
        {
            using (var cmd = new SqlCommand("[prc_pda_DBCK]", conn))
            {
                try
                {
                    conn.Open();
                    cmd.CommandType = CommandType.StoredProcedure;
                    SqlParameter[] parameters =
                    {
                        new("@outMsg", SqlDbType.NVarChar, 300),
                        new("@outSum", SqlDbType.NVarChar, 300),
                        new("@barcode_num", SqlDbType.NVarChar, 300),
                        new("@split_num", SqlDbType.NVarChar, 300),
                        new("@c_user", query.userName),
                        new("@p_bill_no", p_bill_no),
                        new("@p_item_barcode", p_item_barcode),
                    };
                    parameters[0].Direction = ParameterDirection.Output;
                    parameters[1].Direction = ParameterDirection.Output;
                    parameters[2].Direction = ParameterDirection.Output;
                    parameters[3].Direction = ParameterDirection.Output;
                    foreach (var parameter in parameters)
                        cmd.Parameters.Add(parameter);
                    cmd.ExecuteNonQuery();
                    _strMsg = parameters[0].Value.ToString();
                    _intSum = parameters[1].Value.ToString();

                    var barcodeNum = parameters[2].Value.ToString();
                    var splitNum = parameters[3].Value.ToString();
                    
                    var result = Convert.ToInt32(_intSum);
                    if (result <= 0) throw new Exception(_strMsg);

                    query.itemNo = item.ItemNo;
                    query.Num = Convert.ToDecimal(barcodeNum);
                    query.Fum = Convert.ToDecimal(splitNum);

                    // 返回更新后的表单和待处理明细
                    return (query, GetTransferOutDetailListByBillNo(query));
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                finally
                {
                    conn.Close();
                }
            }
        }
    }

    /// <summary>
    ///     扫描条码进行调拨入库处理
    /// </summary>
    /// <param name="query">包含单据号、用户名和条码信息的查询参数</param>
    /// <returns>处理后的表单和待处理明细列表</returns>
    public (WarehouseQuery form, List<TransferOutDetail> items)
        ScanReceiveBarcode(WarehouseQuery query)
    {
        var p_bill_no = query.billNo;
        var p_item_barcode = query.barcode;

        // 验证单据号
        if (string.IsNullOrEmpty(p_bill_no)) throw new Exception("请选取单据号！");

        // 查询出库单并验证状态
        var transferOut = Db.Queryable<TransferOut>()
            .Where(x => x.BillNo == p_bill_no && x.Status == 1)
            .First();
        if (transferOut == null) throw new Exception("未找到调拨申请单或者调拨申请单没审核");

        // 查询条码库存信息并验证
        var stock = Db.Queryable<MesInvItemStocks>()
            .Where(x => x.ItemBarcode == p_item_barcode
                        && x.Quantity > 0
                        && !string.IsNullOrEmpty(x.DepotsCode))
            .First();
        if (stock == null) throw new Exception($"库存中无此条码，请核对！{p_item_barcode}");

        // 查询物料信息
        var item = Db.Queryable<MesItems>()
            .Where(x => x.Id == stock.ItemId)
            .First();
        if (item == null) throw new Exception("未找到物料");

        var _strMsg = "";
        var _intSum = "";
        using (var conn = new SqlConnection(DbHelperSQL.strConn))
        {
            using (var cmd = new SqlCommand("[prc_pda_DBRK]", conn))
            {
                try
                {
                    conn.Open();
                    cmd.CommandType = CommandType.StoredProcedure;
                    SqlParameter[] parameters =
                    {
                        new("@outMsg", SqlDbType.NVarChar, 300),
                        new("@outSum", SqlDbType.NVarChar, 300),
                        new("@barcode_num", SqlDbType.NVarChar, 300),
                        new("@split_num", SqlDbType.NVarChar, 300),
                        new("@c_user", query.userName),
                        new("@p_bill_no", p_bill_no),
                        new("@p_item_barcode", p_item_barcode),
                        new("@p_depot_section_code", query.sectionCode),
                    };
                    parameters[0].Direction = ParameterDirection.Output;
                    parameters[1].Direction = ParameterDirection.Output;
                    parameters[2].Direction = ParameterDirection.Output;
                    parameters[3].Direction = ParameterDirection.Output;
                    foreach (var parameter in parameters)
                        cmd.Parameters.Add(parameter);
                    cmd.ExecuteNonQuery();
                    _strMsg = parameters[0].Value.ToString();
                    _intSum = parameters[1].Value.ToString();

                    var barcodeNum = parameters[2].Value.ToString();
                    var splitNum = parameters[3].Value.ToString();
                    
                    var result = Convert.ToInt32(_intSum);
                    if (result <= 0) throw new Exception(_strMsg);

                    query.itemNo = item.ItemNo;
                    query.Num = Convert.ToDecimal(barcodeNum);
                    query.Fum = Convert.ToDecimal(splitNum);

                    // 返回更新后的表单和待处理明细
                    return (query, GetTransferOutDetailListByBillNo(query));
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                finally
                {
                    conn.Close();
                }
            }
        }
    }

    //调拨出库拆分 prc_pda_DBCK_CF
    public string SplitBarcode(WarehouseQuery query)
    {
        var _strMsg = "";
        var _intSum = "";
        using (var conn = new SqlConnection(DbHelperSQL.strConn))
        {
            using (var cmd = new SqlCommand("[prc_pda_DBRK]", conn))
            {
                try
                {
                    conn.Open();
                    cmd.CommandType = CommandType.StoredProcedure;
                    SqlParameter[] parameters =
                    {
                        new("@outMsg", SqlDbType.NVarChar, 300),
                        new("@outSum", SqlDbType.NVarChar, 300),
                        new("@c_user", query.userName),
                        new("@p_bill_no", query.billNo),
                        new("@p_item_barcode", query.barcode),
                        new("@NUM", query.Fum),
                    };
                    
                    parameters[0].Direction = ParameterDirection.Output;
                    parameters[1].Direction = ParameterDirection.Output;
                    
                    foreach (var parameter in parameters)
                        cmd.Parameters.Add(parameter);
                    cmd.ExecuteNonQuery();
                    _strMsg = parameters[0].Value.ToString();
                    _intSum = parameters[1].Value.ToString();
                    
                    var result = Convert.ToInt32(_intSum);
                    if (result <= 0) throw new Exception(_strMsg);
                    
                    return _strMsg;
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.Message);
                }
                finally
                {
                    conn.Close();
                }
            }
        }
    }
}