using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using DSWeb.Models;
using DSWeb.EntityDA;
using System.Text;


namespace DSWeb.WorkFlow
{
    public partial class WorkFlowGridSource : System.Web.UI.Page
    {
        private string strHandle;//如果值为list则返回所有工作流设置信息
        private string strWorkFlowID;//工作流GID
        private string strAuditorID;//审核人GID
        private string strWorkFlowStepID;//工作流步骤GID
        private string strUserID;//用户GID
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Session["USERID"] != null)
            {
                strUserID = Session["USERID"].ToString();
            }
            if (Request.QueryString["handle"] != null)
            {
                strHandle = Request.QueryString["handle"].ToString();
            }
            if(Request.QueryString["flowid"] != null)
            {
                strWorkFlowID = Request.QueryString["flowid"].ToString();
            }
            if (Request.QueryString["auditor"] != null)
            {
                strAuditorID = Request.QueryString["auditor"].ToString();
            }
            if(Request.QueryString["stepid"] != null)
            {
                strWorkFlowStepID = Request.QueryString["stepid"].ToString();
            }
            
            if (strHandle != null)
            {
                if (strHandle == "workflowlist")
                {
                    Response.Write(GetWorkFlowList());//获取工作流（workflow）信息
                }
                if (strHandle == "steplist" && strWorkFlowID != null)
                {
                    Response.Write(GetWorkFlowSteps(strWorkFlowID));
                }
                if (strHandle == "usertree")
                {
                    //获取公司用户信息树
                    Response.Write(GetUserTree());
                }
                if (strHandle == "companytree")
                {
                    Response.Write(GetCompanyTree());
                }
                if (strHandle == "depttree")
                {
                    Response.Write(GetDepartmentTree());
                }
                if (strHandle == "updateauditor" && strAuditorID != null && strWorkFlowStepID != null)
                {
                    Response.Write(UpdateWorkFlowStepAuditor(strAuditorID,strWorkFlowStepID,strWorkFlowID));
                }
                if (strHandle == "delete")
                {
                    Response.Write(DeleteWorkFlowByFlowID(strWorkFlowID));
                }
                if (strHandle == "deleteStep")
                {
                    Response.Write(DeleteWorkFlowStepByStepID(strWorkFlowStepID));
                }
            }
        }
        #region
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public int DeleteWorkFlowStepByStepID(string strWorkFlowStepID)
        {
            int iResult = 0;
            WorkFlowDoDA doDA = new WorkFlowDoDA();
            int iDo = doDA.GetExistWorkFlowStepID(strWorkFlowStepID);
            WorkFlowStepDA StepDA = new WorkFlowStepDA();
            if (iDo > 0)
            {   //工作流步骤已经开始使用，不能删除
                iResult = -2;
            }
            else
            {   //工作流没有生效，直接删除
                iResult = StepDA.DeletetWorkFlowStepByID(strWorkFlowStepID);
            }
            return iResult;
        }
        #endregion

        #region
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public int DeleteWorkFlowByFlowID(string tempWorkFlowID)
        {
            int iResult = 0;
            
            WorkFlowStepDA StepDA = new WorkFlowStepDA();
            int iStep = StepDA.GetExistWorkFlowID(tempWorkFlowID);
            //WorkFlowDoDA doDA = new WorkFlowDoDA();
            //int iDo = doDA.GetExistWorkFlowID(tempWorkFlowID);
            WorkFlowDA FlowDA = new WorkFlowDA();
            if (iStep>0 )
            {   //工作流已经定义工作步骤，设isdelete=1
                iResult = FlowDA.DeleteWorkFlowByID(tempWorkFlowID, 0);
            }
            else
            {   //工作流没有生效，直接删除
                iResult = FlowDA.DeleteWorkFlowByID(tempWorkFlowID, 1);
            }
            return iResult;
        }
        #endregion
        #region 更新工作流步骤审核人信息
        /// <summary>
        /// 更新工作流步骤审核人信息
        /// </summary>
        /// <param name="tempAuditorID">审核人GID</param>
        /// <param name="tempWorkFlowStepID">工作流步骤GID</param>
        /// <param name="tempWorkFlowID">工作流GID</param>
        /// <returns>值1表示更新成功 值-1-2表示更新异常 值-3表示工作流内存在未完成的审核记录,不能修改工作流审核人信息</returns>
        private int UpdateWorkFlowStepAuditor(string tempAuditorID,string tempWorkFlowStepID,string tempWorkFlowID)
        {
            int iResult = 0;

            WorkFlowStepDA workFlowStepDA = new WorkFlowStepDA();
            if (!(tempWorkFlowID == ""))
            {
                iResult = workFlowStepDA.UpdateStepAuditor(tempWorkFlowID, tempWorkFlowStepID, tempAuditorID, strUserID);
            }
            else
            {

            }
            return iResult;
        }
        #endregion

        #region 获取工作流步骤信息
        /// <summary>
        /// 获取工作流步骤信息
        /// </summary>
        /// <param name="tempWorkFlowID">工作流GID</param>
        /// <returns>获得工作流详细信息</returns>
        public string GetWorkFlowSteps(string tempWorkFlowID)
        {
            WorkFlowDA workFlowDA = new WorkFlowDA();
            DataTable sourceTable;

            string strSql = String.Format("SELECT A.GID,A.STEPNO,A.NAME,A.DESCRIPTION,'查看条件',B.SHOWNAME as AUDITOR, CASE WHEN A.ISMUST = 1 THEN 1 ELSE 0 END as ISMUST, CASE WHEN A.ISLAST = 1 THEN 1 ELSE 0 END as ISLAST,"
                          + " CASE WHEN A.ISPARALLEL = 1 THEN 1 ELSE 0 END as ISPARALLEL,CASE WHEN A.ISDEPARTMENT = 1 THEN 1 ELSE 0 END as ISDEPARTMENT,(SELECT DEPTNAME FROM sys_dept WHERE GID = A.DEPARTMENTID) as DEPTNAME, "
                          + " C.SHOWNAME as CREATEUSER, A.CREATETIME "
                          + " FROM workflow_step as A LEFT JOIN [user] as B ON A.AUDITOR = B.GID LEFT JOIN [user] as C ON A.CREATEUSER = C.GID WHERE A.WORKFLOWID = '{0}' ORDER BY A.STEPNO ASC ", tempWorkFlowID);

            sourceTable = workFlowDA.GetDataSetBySql(strSql).Tables[0];

            StringBuilder sourceBuilder = new StringBuilder();
            sourceBuilder.Append("{");
            sourceBuilder.Append("rows:[");
            for (int i = 0; i < sourceTable.Rows.Count; i++)
            {
                sourceBuilder.Append("{id:\"" + sourceTable.Rows[i][0].ToString() + "\",");
                sourceBuilder.Append("data:[");
                sourceBuilder.Append("\"0\",");
                for (int j = 1; j < sourceTable.Columns.Count; j++)
                {
                    if (j == sourceTable.Columns.Count - 1)
                    {
                        sourceBuilder.Append("\"" + sourceTable.Rows[i][j].ToString() + "\"");
                    }
                    else
                    {
                        sourceBuilder.Append("\"" + sourceTable.Rows[i][j].ToString() + "\",");
                    }
                }
                if (i == sourceTable.Rows.Count - 1)
                {
                    sourceBuilder.Append("]}");
                }
                else
                {
                    sourceBuilder.Append("]},");
                }

            }
            sourceBuilder.Append("]");
            sourceBuilder.Append("}");

            return sourceBuilder.ToString();
        }
        #endregion
        #region 获取工作流（workflow）信息
        /// <summary>
        /// workflow工作流表信息
        /// </summary>
        /// <returns>返回json数据</returns>
        public string GetWorkFlowList()
        {
            WorkFlowDA workFlowDA = new WorkFlowDA();
            DataTable sourceTable;

            string strSql = " SELECT A.GID, A.NAME,A.DESCRIPTION,C.DESCRIPTION,'查看' as STEP,B.SHOWNAME as CREATEUSER,A.CREATETIME,A.STATE,A.SORT,CASE WHEN A.ISDELETE = 1 THEN 1 ELSE 0 END "
                          + " FROM workflow as A LEFT JOIN [user] as B ON A.CREATEUSER = B.GID LEFT JOIN sys_module as C ON A.MODULEID = C.GID ORDER BY A.CREATETIME DESC ";

            sourceTable = workFlowDA.GetDataSetBySql(strSql).Tables[0];

            StringBuilder sourceBuilder = new StringBuilder();
            sourceBuilder.Append("{");
            sourceBuilder.Append("rows:[");
            for (int i = 0; i < sourceTable.Rows.Count; i++)
            {
                sourceBuilder.Append("{id:\"" + sourceTable.Rows[i][0].ToString() + "\",");
                sourceBuilder.Append("data:[");
                sourceBuilder.Append("\"0\",");
                for (int j = 1; j < sourceTable.Columns.Count; j++)
                {
                    if (j == sourceTable.Columns.Count - 1)
                    {
                        sourceBuilder.Append("\"" + sourceTable.Rows[i][j].ToString() + "\"");
                    }
                    else
                    {
                        sourceBuilder.Append("\"" + sourceTable.Rows[i][j].ToString() + "\",");
                    }
                }
                if (i == sourceTable.Rows.Count - 1)
                {
                    sourceBuilder.Append("]}");
                }
                else
                {
                    sourceBuilder.Append("]},");
                }

            }
            sourceBuilder.Append("]");
            sourceBuilder.Append("}");

            return sourceBuilder.ToString();
        }
        #endregion

        #region 获取公司用户信息树
        /// <summary>
        /// 获取公司用户信息树
        /// </summary>
        /// <returns>返回JSON用户信息数据</returns>
        public string GetUserTree()
        {
            StringBuilder userBuilder = new StringBuilder();
            IList<CompanyEntity> companyEntities = new List<CompanyEntity>();
            CompanyDA companyDA = new CompanyDA();

            companyEntities = companyDA.GetAllCompany();
            userBuilder.Append("{id:0");

            if (companyEntities.Count > 0)
            {
                userBuilder.Append(",item:[");
                for (int k = 0; k < companyEntities.Count; k++)
                {
                    if (k == 0)
                    {
                        userBuilder.Append("{id:\"" + companyEntities[k].GID + "#comp\",");
                    }
                    else
                    {
                        userBuilder.Append(",{id:\"" + companyEntities[k].GID + "#comp\",");
                    }
                    userBuilder.Append("text:\"" + companyEntities[k].NAME + "\"");

                    IList<SysDeptEntity> sysDeptEntities = new List<SysDeptEntity>();

                    sysDeptEntities = new SysDeptDA().GetDepartmentByCompanyID(companyEntities[k].GID);

                    if (sysDeptEntities.Count > 0)
                    {
                        userBuilder.Append(",item:[");
                        for (int j = 0; j < sysDeptEntities.Count; j++)
                        {
                            userBuilder.Append("{id:\"" + sysDeptEntities[j].GID + "#dept\",");
                            userBuilder.Append("text:\"" + sysDeptEntities[j].DEPTNAME + "\"");

                            IList<UserEntity> userEntities = new List<UserEntity>();

                            userEntities = new UserDA().GetUserByCompanyAndDept(companyEntities[k].GID, sysDeptEntities[j].DEPTNAME);

                            if (userEntities.Count > 0)
                            {
                                userBuilder.Append(",item:[");
                                for (int i = 0; i < userEntities.Count; i++)
                                {
                                    userBuilder.Append("{id:\"" + userEntities[i].Gid + "#user\",");
                                    userBuilder.Append("text:\"" + userEntities[i].ShowName + "\"");

                                    if (i == userEntities.Count - 1)
                                    {
                                        userBuilder.Append("}");
                                    }
                                    else
                                    {
                                        userBuilder.Append("},");
                                    }

                                }
                                userBuilder.Append("]");
                            }

                            if (j == sysDeptEntities.Count - 1)
                            {
                                userBuilder.Append("}");
                            }
                            else
                            {
                                userBuilder.Append("},");
                            }
                        }
                        userBuilder.Append("]");
                    }
                    userBuilder.Append("}");

                }
                userBuilder.Append("]");
            }
            
            userBuilder.Append("}");

            return userBuilder.ToString();
        }
        #endregion

        #region 获取公司信息树
        /// <summary>
        /// 获取公司信息树
        /// </summary>
        /// <returns>返回JSON用户信息数据</returns>
        public string GetCompanyTree()
        {
            StringBuilder userBuilder = new StringBuilder();
            IList<CompanyEntity> companyEntities = new List<CompanyEntity>();
            CompanyDA companyDA = new CompanyDA();

            companyEntities = companyDA.GetAllCompany();
            userBuilder.Append("{id:0");

            if (companyEntities.Count > 0)
            {
                userBuilder.Append(",item:[");
                for (int k = 0; k < companyEntities.Count; k++)
                {
                    if (k == 0)
                    {
                        userBuilder.Append("{id:\"" + companyEntities[k].GID + "\",");
                    }
                    else
                    {
                        userBuilder.Append(",{id:\"" + companyEntities[k].GID + "\",");
                    }
                    userBuilder.Append("text:\"" + companyEntities[k].NAME + "\"");
                    userBuilder.Append("}");

                }
                userBuilder.Append("]");
            }

            userBuilder.Append("}");

            return userBuilder.ToString();
        }
        #endregion

        #region 获取分公司和部门信息
        /// <summary>
        /// 获取分公司和部门信息
        /// </summary>
        /// <returns>返回JSON Tree数据</returns>
        private string GetDepartmentTree()
        {
            StringBuilder userBuilder = new StringBuilder();
            IList<CompanyEntity> companyEntities = new List<CompanyEntity>();
            CompanyDA companyDA = new CompanyDA();

            companyEntities = companyDA.GetAllCompany();
            userBuilder.Append("{id:0");

            if (companyEntities.Count > 0)
            {
                userBuilder.Append(",item:[");
                for (int k = 0; k < companyEntities.Count; k++)
                {
                    if (k == 0)
                    {
                        userBuilder.Append("{id:\"" + companyEntities[k].GID + "#comp\",");
                    }
                    else
                    {
                        userBuilder.Append(",{id:\"" + companyEntities[k].GID + "#comp\",");
                    }
                    userBuilder.Append("text:\"" + companyEntities[k].NAME + "\"");

                    IList<SysDeptEntity> sysDeptEntities = new List<SysDeptEntity>();

                    sysDeptEntities = new SysDeptDA().GetDepartmentByCompanyID(companyEntities[k].GID);

                    if (sysDeptEntities.Count > 0)
                    {
                        userBuilder.Append(",item:[");
                        for (int j = 0; j < sysDeptEntities.Count; j++)
                        {
                            userBuilder.Append("{id:\"" + sysDeptEntities[j].GID + "#dept\",");
                            userBuilder.Append("text:\"" + sysDeptEntities[j].DEPTNAME + "\"");

                            if (j == sysDeptEntities.Count - 1)
                            {
                                userBuilder.Append("}");
                            }
                            else
                            {
                                userBuilder.Append("},");
                            }
                        }
                        userBuilder.Append("]");
                    }
                    userBuilder.Append("}");

                }
                userBuilder.Append("]");
            }

            userBuilder.Append("}");

            return userBuilder.ToString();
        }
        #endregion
    }
}