using Dapper;
using dccdc.Models;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace dccdc.DAL
{
    public class thdDal
    {
        public List<thdModel> GetAllList(string id)
        {
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                string sql = "select * from thd where 1=1";
                if (!string.IsNullOrEmpty(id))
                {
                    sql += " and id=@id";
                }
                return conn.Query<thdModel>(sql, new { @id = id }).ToList();
            }
        }

        public List<thdModel> GetAllList(string id, string zt)
        {
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                string sql = "select * from thd where 1=1";
                if (!string.IsNullOrEmpty(id))
                {
                    sql += " and id=@id";
                }
                if (!string.IsNullOrEmpty(zt))
                {
                    sql += " and zt=@zt";
                }
                return conn.Query<thdModel>(sql, new { @id = id, @zt = zt }).ToList();
            }
        }

        public object save(thdModel model)
        {
            string sql = "";
            if (model.id == 0)
            {
                sql = @"INSERT INTO [dccdc].[dbo].[thd]
                           ([thdh]
                           ,[thsj]
                           ,[thrid]
                           ,[thr]
                           ,[gysid]
                           ,[gys]
                           ,[thje]
                           ,[thyy])
                     VALUES
                           (@thdh
                           ,@thsj
                           ,@thrid
                           ,@thr
                           ,@gysid
                           ,@gys
                           ,@thje
                           ,@thyy)";
            }
            else
            {
                sql = @"UPDATE [dccdc].[dbo].[thd]
                       SET [thdh] = @thdh
                          ,[thsj] = @thsj
                          ,[thrid] = @thrid
                          ,[thr] = @thr
                          ,[gysid] = @gysid
                          ,[gys] = @gys
                          ,[thje] = @thje
                          ,[thyy] = @thyy
                          WHERE  id=@id";
            }

            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                try
                {
                    int result = conn.Execute(sql, model);
                    if (result > 0)
                        return new { State = 1, Message = "保存成功！" };
                    else
                        return new { State = 0, Message = "保存失败！" };
                }
                catch (Exception ex)
                {
                    return new { State = 0, Message = ex.Message };
                }
            }
        }

        public List<thdModel> getThdByThdh(string thdh)
        {
            string sql = "select * from thd where thdh in (@thdh)";
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                return conn.Query<thdModel>(sql, new { thdh = thdh }).ToList();
            }
        }

        public object getThdMxByThdId(string thdid)
        {
            string sql = "select a.*,b.ggxh,b.jldw dw,(a.sl*a.dj) hj from thdmx a join wz b on a.wzid=b.id where a.thdid in (@thdid)";
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                return conn.Query(sql, new { thdid = thdid }).ToList();
            }
        }

        public object opSave(string id, string gysid, string gys, string thje, string thyy, string items, int thrid, string thr)
        {
            string errmsg = "";
            string thdh = getthkdh(out errmsg);
            if (errmsg != "")
                return new { State = 0, Message = "false" };
            thdModel model = new thdModel();
            model.thdh = thdh;
            model.thrid = thrid;
            model.thr = thr;
            model.thsj = DateTime.Now;
            model.gysid = Convert.ToInt32(gysid);
            model.gys = gys;
            model.thje = Convert.ToDecimal(thje);
            model.thyy = thyy;


            string sql = @"INSERT INTO [dccdc].[dbo].[thd]
                           ([thdh],[thsj],[thrid],[thr],[gysid],[gys],[thje],[thyy])
                     VALUES
                           (@thdh,@thsj,@thrid,@thr,@gysid,@gys,@thje,@thyy)select SCOPE_IDENTITY()";

            int thdid = 0;
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                try
                {
                    thdid = conn.Query<int>(sql, model).FirstOrDefault();
                }
                catch (Exception ex)
                {
                    return new { State = 0, Message = "false" };
                }
            }

            List<thdmxModel> models = new List<thdmxModel>();
            thdmxModel m;
            foreach (string item in items.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
            {
                string[] itemss = item.Split('|');
                if (itemss.Length == 5)
                {
                    m = new thdmxModel();
                    m.thdid = thdid;
                    m.wzid = Convert.ToInt32(itemss[0]);
                    m.wzmc = itemss[1];
                    m.dj = Convert.ToDecimal(itemss[2]);
                    m.sl = Convert.ToInt32(itemss[3]);
                    m.sign = Convert.ToInt32(itemss[4]);
                    m.czsj = DateTime.Now;
                    models.Add(m);
                }
            }

            string sql2 = @"INSERT INTO [dbo].[thdmx]
                           ([thdid],[wzid],[wzmc],[sl],[dj],[czsj],[sign])
                     VALUES
                           (@thdid,@wzid,@wzmc,@sl,@dj,@czsj,@sign)";
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                try
                {
                    int result = conn.Execute(sql2, models);
                    if (result > 0)
                    {
                        //退货
                        th(models, -1);
                        return new { State = 1, Message = thdh };
                    }
                    else
                        return new { State = 0, Message = "false" };
                }
                catch (Exception ex)
                {
                    return new { State = 0, Message = "false" };
                }
            }
        }

        private void th(List<thdmxModel> models, int multiplier)
        {
            List<kcModel> kcModels = new List<kcModel>();
            kcModel kcModel;
            foreach (thdmxModel model in models)
            {
                kcModel = new kcModel();
                kcModel.wzid = model.wzid;
                kcModel.wzmc = model.wzmc;
                kcModel.sl = model.sl * multiplier;          //负数
                kcModel.sign = model.sign;
                kcModels.Add(kcModel);
            }
            new kcDal().saveList(kcModels);
        }

        //获取申请单号
        private string getthkdh(out string errmsg)
        {
            errmsg = "";
            string result = "";
            string start = DateTime.Now.ToString("yyyyMM") + "0001";
            string end = DateTime.Now.ToString("yyyyMM") + "9999";
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                string sql = "select top 1 thdh from thd where thdh >= '" + start + "' and thdh<= '" + end + "' order by id desc";
                try
                {
                    var result2 = conn.ExecuteScalar(sql);
                    if (result2 == null)
                        result = start;
                    else
                    {
                        result = (Convert.ToInt32(result2) + 1).ToString();
                        if (result == end)
                            errmsg = "单号不足！";
                    }
                }
                catch (Exception ex)
                {
                    errmsg = ex.Message;
                }
            }
            return result;
        }

        public object delete(string id)
        {
            string sql = "delete from thd where id=@id";
            string sql2 = "delete from thdmx where thdid=@id";

            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                try
                {
                    //删除之前获取明细
                    var kclist = new thdmxDal().GetListByParent(id);

                    int result = conn.Execute(sql, new { id = id });
                    result = conn.Execute(sql2, new { id = id });
                    if (result > 0)
                    {
                        //退货
                        th(kclist, 1);
                        return new { State = 1, Message = "操作成功！" };
                    } 
                    else
                        return new { State = 0, Message = "操作失败！" };
                }
                catch (Exception ex)
                {
                    return new { State = 0, Message = ex.Message };
                }
            }
        }

        public int getCount(string key)
        {
            string sql = "select count(1) from dbo.thd where 1=1";
            if (!string.IsNullOrEmpty(key))
            {
                sql += " and gysid = @key";
            }
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                return conn.ExecuteScalar<int>(sql, new { key = key });
            }
        }

        public List<thdModel> getPage(int page, int pagesize, string key)
        {
            string sql = "select *,row_number() over(order by id desc) as rownum from thd where 1=1";
            if (!string.IsNullOrEmpty(key))
            {
                sql += " and gysid = @key";
            }
            sql = "select * from (" + sql + ") t where t.rownum>(" + page + "-1)*" + pagesize + " and rownum<=" + page + "*" + pagesize;
            using (IDbConnection conn = CommHelper.GetSqlConnection())
            {
                return conn.Query<Models.thdModel>(sql, new { key = key }).ToList();
            }
        }
    }
}