using System;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
using UAS_MES_NEW.DataOperate;
using UAS_MES_NEW.Entity;
using UAS_MES_NEW.PublicForm;
using UAS_MES_NEW.PublicMethod;

namespace UAS_MES_NEW.Query
{
    public partial class Query_LoadMan : Form
    {
        AutoSizeFormClass asc = new AutoSizeFormClass();

        DataHelper dh = SystemInf.dh;

        DataTable Dbfind;

        public Query_LoadMan()
        {
            InitializeComponent();
        }

        private void Query_LoadMan_Load(object sender, EventArgs e)
        {
            asc.controllInitializeSize(this);
            //线别放大镜
            li_code.TableName = "line";
            li_code.SelectField = "li_code # 线别编号,li_name # 线别名称";
            li_code.FormName = Name;
            li_code.SetValueField = new string[] { "li_code" };
            li_code.Condition = "li_statuscode='AUDITED'";
            li_code.DbChange += Li_code_DbChange;
            //初始提示
            OperateResult.AppendText(">>请选择线别,输入人员编号后回车执行" + (UpLoadMan.Checked ? "上线" : "下线") + ";下线也可勾选列表后点\"确认下线\"批量处理\n", Color.Black);
            LoadGridData();
            em_code.Focus();
        }

        private void Query_LoadMan_SizeChanged(object sender, EventArgs e)
        {
            asc.controlAutoSize(this);
        }

        private void Li_code_DbChange(object sender, EventArgs e)
        {
            Dbfind = li_code.ReturnData;
            BaseUtil.SetFormValue(this.Controls, Dbfind);
            //切换线别后刷新当前线别的在线人员
            LoadGridData();
            em_code.Focus();
        }

        /// <summary>
        /// 人员编号输入框,回车后按选中的模式执行上线/下线
        /// </summary>
        private void em_code_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode != Keys.Enter)
                return;
            string linecode = li_code.Text.Trim();
            string emcode = em_code.Text.Trim();
            //限制:人员编号不能为空
            if (emcode == "")
            {
                OperateResult.AppendText("<<人员编号不能为空\n", Color.Red, em_code);
                return;
            }
            if (UpLoadMan.Checked)
            {
                //上线:必须选择线别
                if (linecode == "")
                {
                    OperateResult.AppendText("<<请先选择线别\n", Color.Red, li_code);
                    return;
                }
                //上线:先校验人员编号存在于 SOPEMPLOYEEDETAIL,并取出人员名称(同一 sed_emcode 可能多条,取最大值聚合)
                string emname = dh.getFieldDataByCondition("SOPEMPLOYEEDETAIL", "max(sed_emname)", "sed_emcode='" + emcode + "'").ToString().Trim();
                if (emname == "")
                {
                    OperateResult.AppendText("<<" + emcode + "人员编号不存在\n", Color.Red, em_code);
                    em_code.Clear();
                    em_code.Focus();    
                    return;
                }
                //一个人只能同时一条线上线:若已在别的线体上线,先把原线体自动下线,再在新线体上线
                DataTable dtOn = (DataTable)dh.ExecuteSql("select lm_linecode from loadman where lm_emcode='" + emcode + "' and lm_downtime is null", "select");
                if (dtOn.Rows.Count > 0)
                {
                    string oldLineCode = dtOn.Rows[0]["lm_linecode"].ToString();
                    //当前所在线体与新线体相同,提示已上线,不再重复插入
                    if (oldLineCode == linecode)
                    {
                        OperateResult.AppendText("<<" + emcode + "已在" + linecode + "上线,不允许重复上线\n", Color.Red, em_code);
                        em_code.Clear();
                        em_code.Focus();
                        return;
                    }
                    //自动下线原线体
                    dh.ExecuteSql("update loadman set lm_downtime=sysdate where lm_emcode='" + emcode + "' and lm_downtime is null", "update");
                    OperateResult.AppendText(">>" + emcode + "已从" + oldLineCode + "自动下线\n", Color.Black);
                }
                dh.ExecuteSql("insert into loadman(lm_id,lm_linecode,lm_emcode,lm_emname,lm_uptime,lm_inman)" +
                    "values(loadman_seq.nextval,'" + linecode + "','" + emcode + "','" + emname + "',sysdate,'" + User.UserName + "')", "insert");
                OperateResult.AppendText("<<" + emcode + " " + emname + " 在" + linecode + "上线成功\n", Color.Green, em_code);
            }
            else
            {
                //下线:一个人同一时间只有一条在线记录,直接按人员下线
                DataTable dtOn = (DataTable)dh.ExecuteSql("select lm_linecode from loadman where lm_emcode='" + emcode + "' and lm_downtime is null", "select");
                if (dtOn.Rows.Count == 0)
                {
                    OperateResult.AppendText("<<" + emcode + "当前不在任何线上,无法下线\n", Color.Red, em_code);
                    em_code.Clear();
                    em_code.Focus();
                    return;
                }
                dh.ExecuteSql("update loadman set lm_downtime=sysdate where lm_emcode='" + emcode + "' and lm_downtime is null", "update");
                OperateResult.AppendText("<<" + emcode + "已从" + dtOn.Rows[0]["lm_linecode"].ToString() + "下线\n", Color.Green, em_code);
            }
            //数据变更后刷新
            LoadGridData();
            em_code.Clear();
            em_code.Focus();
        }

        /// <summary>
        /// 判断DGV中是否有勾选的行
        /// </summary>
        private bool IfCheckRow()
        {
            for (int i = 0; i < DGV.Rows.Count; i++)
            {
                if (DGV.Rows[i].Cells["choose"].Value != null && DGV.Rows[i].Cells["choose"].FormattedValue.ToString() == "True")
                {
                    return true;
                }
            }
            return false;
        }

        /// <summary>
        /// 批量下线:把DGV中勾选的行按 lm_id 逐条置 lm_downtime=sysdate
        /// (DGV只加载未下线记录,勾选行必然在线,直接按主键更新即可)
        /// </summary>
        private void ConfirmDown_Click(object sender, EventArgs e)
        {
            if (!IfCheckRow())
            {
                OperateResult.AppendText("<<请先勾选需要下线的人员\n", Color.Red, em_code);
                return;
            }
            DataGridViewRow row;
            string lmId;
            string emcode;
            string emname;
            string linecode;
            int sucCount = 0;
            int failCount = 0;
            for (int i = 0; i < DGV.Rows.Count; i++)
            {
                row = DGV.Rows[i];
                //只处理勾选且有主键的行
                if (row.Cells["choose"].FormattedValue == null || row.Cells["choose"].FormattedValue.ToString() != "True")
                    continue;
                if (row.Cells["lm_id"].Value == null || row.Cells["lm_id"].Value.ToString() == "")
                    continue;
                lmId = row.Cells["lm_id"].Value.ToString();
                emcode = row.Cells["lm_emcode"].Value == null ? "" : row.Cells["lm_emcode"].Value.ToString();
                emname = row.Cells["sed_emname"].Value == null ? "" : row.Cells["sed_emname"].Value.ToString();
                linecode = row.Cells["lm_linecode"].Value == null ? "" : row.Cells["lm_linecode"].Value.ToString();
                try
                {
                    dh.ExecuteSql("update loadman set lm_downtime=sysdate where lm_id='" + lmId + "' and lm_downtime is null", "update");
                    sucCount++;
                    OperateResult.AppendText("<<" + emcode + " " + emname + " 已从" + linecode + "下线\n", Color.Green);
                }
                catch (Exception ex)
                {
                    failCount++;
                    OperateResult.AppendText("<<" + emcode + " " + emname + " 下线失败:" + ex.Message + "\n", Color.Red);
                }
            }
            OperateResult.AppendText(">>本次下线成功 " + sucCount + " 人" + (failCount > 0 ? ",失败 " + failCount + " 人" : "") + "\n", Color.Black);
            //刷新后勾选状态会因重新绑定被清空,属预期
            LoadGridData();
            em_code.Focus();
        }

        private void UpLoadMan_CheckedChanged(object sender, EventArgs e)
        {
            if (UpLoadMan.Checked)
            {
                OperateResult.AppendText(">>已切换到上线模式,输入人员编号回车上线\n", Color.Black);
                em_code.Focus();
            }
        }

        private void DownLoadMan_CheckedChanged(object sender, EventArgs e)
        {
            if (DownLoadMan.Checked)
            {
                OperateResult.AppendText(">>已切换到下线模式,输入人员编号回车下线,或勾选列表后点\"确认下线\"批量下线\n", Color.Black);
                em_code.Focus();
            }
        }

        /// <summary>
        /// 刷新DGV:只取未下线的人员,已选线别时只显示当前线别;按 lm_emcode 关联 SOPEMPLOYEEDETAIL 取人员名称
        /// (SOPEMPLOYEEDETAIL 同一 sed_emcode 可能有多条,先按其聚合去重再关联;上线时间 to_char 到秒)
        /// </summary>
        private void LoadGridData()
        {
            string sql = "select lm.lm_id,lm.lm_linecode,lm.lm_emcode,se.sed_emname,to_char(lm.lm_uptime,'yyyy-mm-dd hh24:mi:ss') lm_uptime,lm.lm_inman from loadman lm"
                + " left join (select sed_emcode,max(sed_emname) sed_emname from SOPEMPLOYEEDETAIL group by sed_emcode) se on lm.lm_emcode=se.sed_emcode"
                + " where lm.lm_downtime is null";
            if (li_code.Text != "")
                sql += " and lm.lm_linecode='" + li_code.Text + "'";
            sql += " order by lm.lm_uptime desc";
            DataTable dt = (DataTable)dh.ExecuteSql(sql, "select");
            BaseUtil.FillDgvWithDataTable(DGV, dt);
        }
    }
}