Imports DigitalData.Modules.Base
Imports DigitalData.Modules.Database
Imports DigitalData.Modules.Logging
Imports DigitalData.GUIs.Monitor.Constants

Public Class SearchLoader
    Inherits BaseClass

    Private ReadOnly Config As Config
    Private ReadOnly Database As MSSQLServer

    Public Searches As New List(Of Search)
    Public Parameters As New List(Of SearchParameter)
    Public ChartParameters As New List(Of ChartParameter)

    Public Sub New(pLogConfig As LogConfig, pConfig As Config, pDatabase As MSSQLServer)
        MyBase.New(pLogConfig)
        Config = pConfig
        Database = pDatabase
    End Sub

    Public Sub LoadSearches()
        Try
            Searches.Clear()

            Dim oSQL = $"SELECT * FROM TBMON_PROFILE WHERE ACTIVE = 1 ORDER BY SEQUENCE"
            Dim oTable = Database.GetDatatable(oSQL)

            For Each oRow As DataRow In oTable.Rows
                Dim oSearchId = oRow.ItemEx("GUID", 0)
                Dim oParams = Parameters.
                    Where(Function(param) param.SearchId = oSearchId).
                    OrderBy(Function(param) param.Sequence).
                    ToList()

                Dim oSearch = New Search With {
                    .Id = oSearchId,
                    .Title = oRow.ItemEx("TITLE", String.Empty),
                    .Description = oRow.ItemEx("CAPTION", String.Empty),
                    .ReturnType = GetReturnType(oRow.ItemEx("RETURN_TYPE", String.Empty)),
                    .SQLCommand = oRow.ItemEx("EXEC_SQL", String.Empty),
                    .Parameters = oParams
                }

                ' Erzeuge einen Titel, falls der leer ist
                If oSearch.Title.Length <= 0 Then
                    Logger.Warn($"For searchId [{0}] an empty title were defined!", oSearch.Id)
                    oSearch.Title = "Suche " + oSearch.Id.ToString
                End If

                ' Es wurde kein SQL Command definiert, ohne geht nix
                ' Außer es ist eine Chart-Suche
                If oSearch.ReturnType <> ReturnTypeEnum.ChartView And (oSearch.SQLCommand Is Nothing Or oSearch.SQLCommand.Length = 0) Then
                    Logger.Error($"For searchId [{0}] is NO SQLCommand defined!", oSearch.Id)
                    Continue For
                End If

                ' Anzahl der erwarteten Parameter
                oSearch.ExpectedParameterCount = oSearch.SQLCommand.Split({"#CTRL#"}, StringSplitOptions.None).Length - 1

                Searches.Add(oSearch)
            Next
        Catch ex As Exception
            Logger.Error(ex)
            Throw ex

        End Try
    End Sub

    Public Sub LoadSearchParameters()
        Dim oSQL As String = $"SELECT * FROM TBMON_PROFILE_PARAM WHERE ACTIVE = 1"
        Dim oTable As DataTable = Database.GetDatatable(oSQL)
        Dim oParameters As New List(Of SearchParameter)

        For Each oRow As DataRow In oTable.Rows
            oParameters.Add(New SearchParameter With {
                .Id = oRow.ItemEx("GUID", 0),
                .Title = oRow.ItemEx("CAPTION", String.Empty),
                .Description = oRow.ItemEx("DESCRIPTION", String.Empty),
                .DataType = GetDataType(oRow.ItemEx("DATA_TYPE", "VARCHAR")),
                .ItemString = oRow.ItemEx("ITEMS", String.Empty),
                .ItemType = GetItemType(oRow.ItemEx("ITEM_TYPE", String.Empty)),
                .Required = oRow.ItemEx("REQUIRED", True),
                .PatternTitle = oRow.ItemEx("PATTERN", String.Empty),
                .SearchId = oRow.ItemEx("PROFILE_ID", 0),
                .DefaultValue = oRow.ItemEx("DEFAULT_VALUE", String.Empty),
                .Sequence = oRow.ItemEx("SEQUENCE", 0)
            })
        Next

        Parameters = oParameters
    End Sub

    Public Sub LoadChartParameters()
        Dim oSQL As String = $"SELECT * FROM TBMON_CHARTS WHERE ACTIVE = 1"
        Dim oTable As DataTable = Database.GetDatatable(oSQL)
        Dim oParameters As New List(Of ChartParameter)

        For Each oRow As DataRow In oTable.Rows
            oParameters.Add(New ChartParameter With {
                .Id = oRow.ItemEx("GUID", 0),
                .Title = oRow.ItemEx("TITLE", String.Empty),
                .SearchId = oRow.ItemEx("PROFILE_ID", 0),
                .ChartPos = GetChartPosType(oRow.ItemEx("POS_ID", 0)),
                .SQLCommand = oRow.ItemEx("SQL_COMMAND", String.Empty),
                .ChartType = GetChartType(oRow.ItemEx("CHART_TYPE", String.Empty)),
                .Argument = oRow.ItemEx("ARGUMENT", String.Empty),
                .Value = oRow.ItemEx("VALUE", String.Empty),
                .LabelType = GetLabelType(oRow.ItemEx("LABEL_TYPE", String.Empty)),
                .SerieTitle = oRow.ItemEx("SERIE_TITLE", String.Empty),
                .DesignType = GetDesignType(oRow.ItemEx("DESIGN_TYPE", String.Empty)),
                .DesignBaseColor = GetDesignBaseColor(oRow.ItemEx("DESIGN_TYPE", String.Empty))
            })
        Next

        ChartParameters = oParameters
    End Sub

    Private Function GetItemType(pTypeString As String) As ItemTypeEnum
        Select Case pTypeString
            Case "LIST"
                Return ItemTypeEnum.List
            Case "SQL"
                Return ItemTypeEnum.SQL
            Case Else
                Return ItemTypeEnum.Undefined
        End Select
    End Function

    Private Function GetReturnType(pTypeString As String) As ReturnTypeEnum
        Select Case pTypeString
            Case "Table"
                Return ReturnTypeEnum.Table
            Case "TreeView"
                Return ReturnTypeEnum.TreeView
            Case "ChartView"
                Return ReturnTypeEnum.ChartView
            Case Else
                Return ReturnTypeEnum.Undefined
        End Select
    End Function

    Private Function GetDataType(pTypeString As String) As DataTypeEnum
        Select Case pTypeString.ToUpper
            Case "BIT"
                Return DataTypeEnum.Boolean
            Case "VARCHAR"
                Return DataTypeEnum.String
            Case "INT"
                Return DataTypeEnum.Integer
            Case "DATE"
                Return DataTypeEnum.Date
            Case Else
                Return DataTypeEnum.Undefined
        End Select
    End Function

    Private Function GetChartType(pTypeString As String) As ChartTypeEnum
        Select Case pTypeString.ToUpper
            Case "BAR"
                Return ChartTypeEnum.Bar
            Case "AREA"
                Return ChartTypeEnum.Area
            Case "LINE"
                Return ChartTypeEnum.Line
            Case "PIE"
                Return ChartTypeEnum.Pie
            Case "STACKEDBAR"
                Return ChartTypeEnum.StackedBar
            Case Else
                Return ChartTypeEnum.Undefined
        End Select
    End Function

    Private Function GetLabelType(pTypeString As String) As LabelTypeEnum
        Select Case pTypeString.ToUpper
            Case "NOLABELS"
                Return LabelTypeEnum.NoLabels
            Case "DEFAULT"
                Return LabelTypeEnum.DefaultLabels
            Case Else
                Return LabelTypeEnum.NoLabels
        End Select
    End Function

    Private Function GetDesignType(pTypeString As String) As DesignTypeEnum

        Dim items() As String = pTypeString.Split("|"c)

        Select Case items(0).ToUpper
            Case "ASPECT"
                Return DesignTypeEnum.Aspect
            Case "MIXED"
                Return DesignTypeEnum.Mixed
            Case "OFFICE2013"
                Return DesignTypeEnum.Office2013
            Case "SOLSTICE"
                Return DesignTypeEnum.Solstice
            Case "DDDEFAULT"
                Return DesignTypeEnum.DDDefault
            Case Else
                Return DesignTypeEnum.DefaultColors
        End Select
    End Function

    Private Function GetDesignBaseColor(pTypeString As String) As Integer
        Dim items() As String = pTypeString.Split("|"c)
        Dim retValue As Integer = 0

        If items.Length > 1 Then
            If Integer.TryParse(items(1), retValue) = False Then
                retValue = 0
            End If
        End If

        Return retValue
    End Function

    Private Function GetChartPosType(pPosTypeId As Integer) As ChartPosEnum
        Select Case pPosTypeId
            Case 1
                Return ChartPosEnum.TopLeft
            Case 2
                Return ChartPosEnum.TopRight
            Case 3
                Return ChartPosEnum.BottomLeft
            Case 4
                Return ChartPosEnum.BottomRight
            Case Else
                Return ChartPosEnum.Undefined
        End Select
    End Function

End Class