/**
 * @description 创建存储过程类
 */
export default class FuncUtils {
  /**
   * @description 创建页面存储过程
   * @return {String}
   */
  static getTableFunc (config) {
    let form = ''
    let formParam = ''
    let _vars = ['bid', 'pageindex', 'pagesize', 'ordercol', 'ordertype', 'exceltype', 'septmenuno', 'lang', 'debug', 'loginuid', 'sessionuid', 'userid', 'errorcode', 'retmsg']
    let _columns = []
    let primaryKey = config.setting.primaryKey || 'ID'

    if (!_vars.includes(primaryKey.toLowerCase())) {
      _vars.push(primaryKey.toLowerCase())
      formParam = `mchr13k@${primaryKey} nvarchar(50)='',`
    }

    if (config.search && config.search.length > 0) {
      let _fields = new Map()
      config.search.forEach(item => {
        if (item.field) {
          let type = ''

          if (item.type.match(/date/ig)) {
            type = 'datetime=null'
          } else {
            type = 'nvarchar(50)=\'\''
          }

          item.field.split(',').forEach(cell => {
            let _f = cell
            if (_fields.has(cell)) {
              _f = _f + '1'
            }
  
            _fields.set(cell, true)

            if (!_vars.includes(_f.toLowerCase())) {
              _vars.push(_f.toLowerCase())
              formParam = formParam + `mchr13k@${_f} ${type},`
            }
          })
        }
      })
    }

    if (config.columns && config.columns.length > 0) {
      config.columns.forEach(item => {
        if (item.field) {
          _columns.push(`${item.field} as ${item.label}`)
        }
      })

      form = `
        declare @dc table (${_columns.join(',')})
        
        @tableid ='${config.MenuID}'
      `
    }

    let Ltext = `create proc ${config.func}
    ( /*${config.MenuName}*/
    @appkey nvarchar(50)='',
    @BID nvarchar(50)='',
    @UserName nvarchar(50)='',
    @FullName nvarchar(50)='',${formParam}
    @PageIndex nvarchar(50)='',
    @PageSize nvarchar(50)='',
    @OrderCol nvarchar(50)='',
    @OrderType nvarchar(50)='',
    @exceltype nvarchar(50)='',
    @sEPTMenuNo nvarchar(50)='${config.menuNo}',
    @lang nvarchar(50)='',
    @debug nvarchar(50)='',
    @LoginUID nvarchar(50)='',
    @SessionUid nvarchar(50)='',
    @UserID nvarchar(50),
    @dataM nvarchar(50),
    @ErrorCode nvarchar(50) out,
    @retmsg nvarchar(4000) out
    )
    as
    begin
    declare @BegindateTest datetime,@EnddateTest datetime
    select @BegindateTest=getdate()
    set @ErrorCode=''
    set @retmsg=''
    BEGIN TRY
      /*事务操作*/
      BEGIN TRAN
        /*具体业务操作*/
        
        /* 
        select top 10 * from sProcExcep order by id desc

        ${form}
        if 1=2
        begin
          set @ErrorCode='E'
          set @retmsg='在此写报错'
          goto GOTO_RETURN
        end
        
        insert into sNote (remark,createuserid,CreateUser,CreateStaff)
        select '在此写日志',@UserID,@UserName,@FullName
        */
        
      COMMIT TRAN
      SET NOCOUNT ON
      RETURN
    END TRY
    BEGIN CATCH
      /*错误处理*/
      ROLLBACK TRAN
      DECLARE @ErrorMessage NVARCHAR(4000);
      DECLARE @ErrorSeverity INT;
      DECLARE @ErrorState INT;
      
      /*把自定义的友好的错误信息提示加上*/
      set @ErrorCode=cast(ERROR_NUMBER() as nvarchar(50))
      SET @retmsg=ERROR_MESSAGE();
      SELECT @ErrorMessage=ERROR_MESSAGE(),
        @ErrorSeverity=ERROR_SEVERITY(),
        @ErrorState=ERROR_STATE();
        
      RAISERROR(@ErrorMessage, /*-- Message text.*/
        @ErrorSeverity, /*-- Severity.*/
        @ErrorState  /*-- State.*/
      );
    END CATCH
    
    GOTO_RETURN:
      ROLLBACK TRAN
      
    END`

    Ltext = Ltext.replace(/\n\s{4}/ig, 'mchr13k')

    return Ltext
  }

  /**
   * @description 创建存储过程
   * @return {String}
   */
  static getfunc (btn) {
    let form = ''
    let formParam = ''
    let _vars = ['bid', 'septmenuno', 'lang', 'debug', 'loginuid', 'sessionuid', 'userid', 'errorcode', 'retmsg']
    let columns = btn.columns
    let primaryKey = btn.primaryKey

    if (!_vars.includes(primaryKey.toLowerCase())) {
      _vars.push(primaryKey.toLowerCase())
      let _type = '50'
      if (btn.Ot === 'requiredOnce') { // 多行拼接时，主键设为max
        _type = 'max'
      }
      formParam = `mchr13k@${primaryKey} nvarchar(${_type})='',`
    }

    if (btn.fields && btn.fields.length > 0) {
      let _fields = []
      btn.fields.forEach(item => {
        if (item.field) {
          let type = ''
          if (item.type.match(/date/ig)) {
            type = 'datetime=null'
          } else if (item.type === 'number') {
            type = `decimal(18,${item.decimal})=0`
          } else if (item.type === 'rate') {
            type = `decimal(18,2)=0`
          } else {
            type = 'nvarchar(50)=\'\''
          }

          if (!_vars.includes(item.field.toLowerCase())) {
            _vars.push(item.field.toLowerCase())
            formParam = formParam + `mchr13k@${item.field} ${type},`
          }

          _fields.push(item.field)
        }
      })

      let field1 = _fields.join(',')
      let field2 = _fields.join(',@')
      let field3 = _fields.map(cell => {
        return cell + '=@' + cell
      })

      field2 = field2 ? '@' + field2 : ''
      field3 = field3.join(',')

      form = `
        insert into ${btn.name} (${field1},createuserid) select ${field2},@UserID
        
        update ${btn.name} set ${field3},modifydate=getdate(),modifyuser=@username,modifyuserid=@UserID
      `
    } else if (btn.OpenType === 'prompt' || btn.OpenType === 'exec') {
      form = `
        update ${btn.name} set ModifyDate=getdate(),ModifyUserID=@UserID where ${primaryKey}=@${primaryKey}
      `
    }

    if (columns) {
      let _col = []
      let _field = []
      columns.forEach(col => {
        if (col.field) {
          if (col.type === 'number') {
            _col.push(col.field + ' decimal(18,2)')
          } else {
            _col.push(col.field + ' nvarchar(50)')
          }
          _field.push(col.field)
        }
      })
      _col = _col.join(',')
      _field = _field.join(',')

      form = form + `
        declare @dc table (${_col})
        
        insert into @dc (${_field})

        @tableid ='${btn.MenuID}'
      `
    }

    // 打印自定义模板字段提示
    let _printRemark = ''
    if (btn.funcType === 'print') {
      _printRemark = '/* 自定义数据打印模板时，请使用TemplateID字段 */'
    }

    let Ltext = `create proc ${btn.func}
    ( /*${btn.MenuName}  ${btn.label}*/
    @appkey nvarchar(50)='',
    @BID nvarchar(50)='',
    @UserName nvarchar(50)='',
    @FullName nvarchar(50)='',${formParam}
    @sEPTMenuNo nvarchar(50)='${btn.menuNo}',
    @lang nvarchar(50)='',
    @debug nvarchar(50)='',
    @LoginUID nvarchar(50)='',
    @SessionUid nvarchar(50)='',
    @UserID nvarchar(50),
    @ErrorCode nvarchar(50) out,
    @retmsg nvarchar(4000) out
    )
    as
    begin
    declare  @BegindateTest datetime,@EnddateTest datetime
    select  @BegindateTest=getdate()
    set @ErrorCode=''
    set @retmsg=''
    BEGIN TRY
      /*事务操作*/
      BEGIN TRAN
        /*具体业务操作*/
        ${_printRemark}
        /* 
        select top 10 * from sProcExcep order by id desc

        ${form}
        if 1=2
        begin
          set @ErrorCode='E'
          set @retmsg='在此写报错'
          goto GOTO_RETURN
        end
        
        insert into sNote (remark,createuserid,CreateUser,CreateStaff)
        select '在此写日志',@UserID,@UserName,@FullName
        */
        
      COMMIT TRAN
      SET NOCOUNT ON
      RETURN
    END TRY
    BEGIN CATCH
      /*错误处理*/
      ROLLBACK TRAN
      DECLARE @ErrorMessage NVARCHAR(4000);
      DECLARE @ErrorSeverity INT;
      DECLARE @ErrorState INT;
      
      /*把自定义的友好的错误信息提示加上*/
      set @ErrorCode=cast(ERROR_NUMBER() as nvarchar(50))
      SET @retmsg=ERROR_MESSAGE();
      SELECT @ErrorMessage=ERROR_MESSAGE(),
        @ErrorSeverity=ERROR_SEVERITY(),
        @ErrorState=ERROR_STATE();
        
      RAISERROR(@ErrorMessage, /* Message text.*/
        @ErrorSeverity, /* Severity.*/
        @ErrorState  /* State.*/
      );
    END CATCH
    
    GOTO_RETURN:
      ROLLBACK TRAN
      
    END`

    Ltext = Ltext.replace(/\n\s{4}/ig, 'mchr13k')

    return Ltext
  }

  /**
   * @description 创建导入存储过程
   * @return {String}
   */
  static getexcelInfunc (btn) {
    let _verify = btn.verify

    let _uniquesql = ''
    if (_verify.uniques && _verify.uniques.length > 0) {
      _verify.uniques.forEach(unique => {
        if (unique.status === 'false') return

        let _fields = unique.field.split(',')
        let _fields_ = _fields.map(_field => {
          return `a.${_field}=b.${_field}`
        })
        _fields_ = _fields_.join(' and ')

        if (unique.verifyType !== 'physical') {
          _fields_ += ' and b.deleted=0'
        }

        _uniquesql += `
        Set @tbid=''
        Select top 1 @tbid=${_fields.join('+\' \'+')} from (select 1 as n,${unique.field} from @${btn.sheet} ) a group by ${unique.field} having sum(n)>1

        If @tbid!=''
        Begin
          select @ErrorCode='${unique.errorCode}',@retmsg=@tbid+' 重复'
          goto aaa
        end

        Set @tbid=''
        Select top 1 @tbid=${_fields.join('+\' \'+')} from  @${btn.sheet} a
        Inner join ${btn.sheet} b on ${_fields_}

        If @tbid!=''
        Begin
          select @ErrorCode='${unique.errorCode}',@retmsg=@tbid+' 与已有数据重复'
          goto aaa
        end
        `
      })

      if (_uniquesql) {
        _uniquesql = `
        Declare @tbid Nvarchar(512)
        ${_uniquesql}`
      }
    }

    let declarefields = []
    let fields = []

    _verify.columns.forEach(col => {
      declarefields.push(`${col.Column} ${col.type}`)
      fields.push(col.Column)
    })

    fields = fields.join(',')

    let _sql = `declare @${btn.sheet} table (${declarefields.join(',')},jskey nvarchar(50),BID nvarchar(50))
      
      Insert into @${btn.sheet} (${fields},jskey,BID)

      select @LText=dbo.urldecode(dbo.base64decode(@LText))

      ${_uniquesql}
      Insert into ${btn.sheet} (${fields},createuserid,createuser,createstaff,bid) 
      Select ${fields},@userid,@username,@fullname,@BID From @${btn.sheet}

      Delete @${btn.sheet}`

    let Ltext = `create proc ${btn.func}
    ( /*${btn.MenuName}  ${btn.label}*/
      @appkey nvarchar(50)='',
      @ID nvarchar(50)='',
      @BID nvarchar(50)='',
      @UserName nvarchar(50)='',
      @FullName nvarchar(50)='',
      @Ltext nvarchar(max)='',
      @sEPTMenuNo nvarchar(50)='${btn.menuNo}', 
      @secretkey nvarchar(50)='',
      @timestamp nvarchar(50)='',
      @lang nvarchar(50)='',
      @LoginUID nvarchar(50)='',
      @SessionUid nvarchar(50)='',
      @UserID nvarchar(50), 
      @ErrorCode nvarchar(50) out,
      @retmsg nvarchar(4000) out
    )
    as
    begin
    declare @BegindateTest datetime,@EnddateTest datetime 
    select @BegindateTest=getdate() 
    set @ErrorCode=''
    set @retmsg=''
    BEGIN TRY
      /*事务操作*/
      BEGIN TRAN
        /*具体业务操作*/

        /* 
        ${_sql}
        */
        
      COMMIT TRAN
      SET NOCOUNT ON
      RETURN
    END TRY
    BEGIN CATCH
      /*错误处理*/
      ROLLBACK TRAN
      DECLARE @ErrorMessage NVARCHAR(4000);
      DECLARE @ErrorSeverity INT;
      DECLARE @ErrorState INT;
      
      /*把自定义的友好的错误信息提示加上*/
      set @ErrorCode=cast(ERROR_NUMBER() as nvarchar(50))
      SET @retmsg=ERROR_MESSAGE();
      SELECT @ErrorMessage=ERROR_MESSAGE(),
        @ErrorSeverity=ERROR_SEVERITY(),
        @ErrorState=ERROR_STATE();
        
      RAISERROR(@ErrorMessage, /* Message text.*/
        @ErrorSeverity, /* Severity.*/
        @ErrorState  /* State.*/
      );
    END CATCH
    
    GOTO_RETURN:
      ROLLBACK TRAN
      
    END`

    Ltext = Ltext.replace(/\n\s{4}/ig, 'mchr13k')

    return Ltext
  }
}