Imports DigitalData.Modules.Database
Imports DigitalData.Modules.Logging
Imports DigitalData.Modules.ZooFlow
Imports DigitalData.Modules.Patterns
Imports DigitalData.Modules.EDMI.API
Imports DigitalData.Modules.EDMI.API.EDMIServiceReference
Imports DigitalData.Modules.Base
Imports DigitalData.GUIs.Common
Imports DigitalData.Modules.ZooFlow.Params

Public Class ProfileSearches
    Inherits BaseClass

    Private ReadOnly _Environment As Environment
    Private ReadOnly _Client As Client
    Private ReadOnly _ClipboardContents As String
    Private ReadOnly _ClientIsOnline As Boolean = False

    Public Class Search
        Public Guid As Integer
        Public DataTable As DataTable
        Public TabIndex As Integer
        Public TabCaption As String
        Public ProfileId As Integer
        Public SQLCommand As String
    End Class

    Public Sub New(pLogConfig As LogConfig, pEnvironment As Environment, pClipboardContents As String)
        MyBase.New(pLogConfig)

        _Environment = pEnvironment
        _ClipboardContents = pClipboardContents
        _ClientIsOnline = _Environment.Service.Client IsNot Nothing AndAlso _Environment.Service.Client.IsOnline = True

        Try
            If _ClientIsOnline Then
                Try
                    Dim oSplit() As String = _Environment.Service.Address.Split(":")
                    Dim oAppServerAddress As String = oSplit(0)
                    Dim oAppServerPort As Integer = 9000
                    If oSplit.Length = 2 Then
                        oAppServerPort = oSplit(1)
                    End If
                    _Client = New Client(pLogConfig, oAppServerAddress, oAppServerPort)
                    If Not IsNothing(_Client) Then
                        If _Client.Connect() Then
                            Logger.Debug("ProfileSearches: Appserver connected successfully!")
                        End If
                    End If
                Catch ex As Exception
                    Logger.Warn($"Could not initialize the AppServer: {ex.Message}")
                    Logger.Error(ex)
                End Try
            Else
                Logger.Debug("No client found in Env.")
            End If
        Catch ex As Exception
            Logger.Error(ex)
        End Try
    End Sub

    Public Async Function GetDocResultForm(pProfile As ProfileData, pFormTitle As String, pOperationMode As Modules.ZooFlow.Constants.OperationMode) As Task(Of frmDocumentResultList)
        ' For now we assume these are document results instead of data results
        Dim oSearches = Await LoadDocumentSearchesAsync(pProfile.Guid)

        Dim oNameSlug = StringEx.ConvertTextToSlug(pProfile.Name)
        Dim oSearchGuids = oSearches.Select(Function(s) s.Guid).ToArray
        Dim oWindowGuid = $"{pProfile.Guid}-{oNameSlug}-{String.Join("-", oSearchGuids)}"
        Dim oParams = New DocumentResultList.Params() With {
            .WindowGuid = oWindowGuid,
            .WindowTitle = pFormTitle,
            .OperationModeOverride = pOperationMode,
            .ProfileGuid = pProfile.Guid
        }

        For Each oSearch In oSearches
            oParams.Results.Add(New DocumentResultList.DocumentResult() With {
                .Title = oSearch.TabCaption,
                .Datatable = oSearch.DataTable
            })
        Next

        Dim oForm As New frmDocumentResultList(LogConfig, _Environment, oParams)
        Return oForm
    End Function

    Public Async Function LoadDocumentSearchesAsync(ProfileId As Integer) As Task(Of List(Of Search))
        Return Await Task.Run(Function() DoLoadDocumentSearches(ProfileId))
    End Function

    Private Function DoLoadDocumentSearches(ProfileId As Integer) As List(Of Search)
        Dim oSQL As String = $"SELECT * FROM TBCW_PROF_DOC_SEARCH WHERE ACTIVE = 1 AND PROFILE_ID = {ProfileId} ORDER BY TAB_INDEX"
        Dim oSearchesDataTable As DataTable

        If _ClientIsOnline Then
            Dim oTableResult As TableResult = _Client.GetDatatableByName("TBCW_PROF_DOC_SEARCH", $"PROFILE_ID = {ProfileId} AND ACTIVE = 1", "TAB_INDEX")
            oSearchesDataTable = oTableResult.Table
            If oSearchesDataTable Is Nothing Then
                Logger.Warn("TBCW_PROF_DOC_SEARCH from AppServer is nothing: Failover started...")
                oSearchesDataTable = _Environment.Database.GetDatatable(oSQL)
            End If
        Else
            oSearchesDataTable = _Environment.Database.GetDatatable(oSQL)
        End If

        Dim oDocSearches As New List(Of Search)
        If Not IsNothing(oSearchesDataTable) Then
            Dim oCounter As Integer = 0
            Dim oPatterns As New ClassPatterns(LogConfig)

            For Each oRow As DataRow In oSearchesDataTable.Rows
                Dim oProfileId As Integer = oRow.Item("PROFILE_ID")
                Dim oTabTitle As String = oRow.Item("TAB_TITLE")
                Dim oConnectionId As Integer = oRow.Item("CONN_ID")
                Dim oGuid As Integer = oRow.Item("GUID")

                oSQL = oRow.Item("SQL_COMMAND")
                oSQL = oPatterns.ReplaceUserValues(oSQL, _Environment.User)
                oSQL = oPatterns.ReplaceInternalValues(oSQL)
                oSQL = oPatterns.ReplaceClipboardContents(oSQL, _ClipboardContents)

                Dim oConnectionString = ProfileUtils.GetConnectionString(_Environment.Database, oConnectionId)

                Dim oDatatable As DataTable = _Environment.Database.GetDatatableWithConnection(oSQL, oConnectionString)

                If oDatatable Is Nothing Then
                    Logger.Warn("Error in SQL-Query '{0}'", oSQL)
                    Continue For
                End If

                oDocSearches.Add(New Search() With {
                    .Guid = oGuid,
                    .DataTable = oDatatable,
                    .ProfileId = oProfileId,
                    .TabCaption = oTabTitle,
                    .TabIndex = oCounter,
                    .SQLCommand = oSQL
                })

                oCounter += 1
            Next
        Else


        End If


        Return oDocSearches
    End Function

    Public Async Function LoadDataSearchesAsync(ProfileId As Integer) As Task(Of List(Of Search))
        Return Await Task.Run(Function() DoLoadDataSearches(ProfileId))
    End Function

    Private Function DoLoadDataSearches(ProfileId As Integer) As List(Of Search)
        Dim oDataSearches As New List(Of Search)

        Try
            Dim oSQL As String = $"SELECT * FROM TBCW_PROF_DATA_SEARCH WHERE ACTIVE = 1 AND PROFILE_ID = {ProfileId} ORDER BY TAB_INDEX"
            Dim oSearchesDataTable As DataTable
            If _ClientIsOnline Then
                Dim oTableResult As TableResult = _Client.GetDatatableByName("TBCW_PROF_DATA_SEARCH", $"PROFILE_ID = {ProfileId} AND ACTIVE = 1", "TAB_INDEX")
                oSearchesDataTable = oTableResult.Table
                If oSearchesDataTable Is Nothing Then
                    Logger.Warn("TBCW_PROF_DATA_SEARCH from AppServer is nothing: Failover started...")
                    oSearchesDataTable = _Environment.Database.GetDatatable(oSQL)
                End If
            Else
                oSearchesDataTable = _Environment.Database.GetDatatable(oSQL)
            End If

            Dim oCounter As Integer = 0
            Dim oPatterns As New ClassPatterns(LogConfig)

            For Each oRow As DataRow In oSearchesDataTable.Rows
                Try
                    Dim oProfileId As Integer = oRow.Item("PROFILE_ID")
                    Dim oTabTitle As String = oRow.Item("TAB_TITLE")
                    Dim oConnectionId As Integer = oRow.Item("CONN_ID")

                    oSQL = oRow.Item("SQL_COMMAND")
                    oSQL = oPatterns.ReplaceUserValues(oSQL, _Environment.User)
                    oSQL = oPatterns.ReplaceInternalValues(oSQL)
                    oSQL = oPatterns.ReplaceClipboardContents(oSQL, _ClipboardContents)

                    Dim oConnectionString = ProfileUtils.GetConnectionString(_Environment.Database, oConnectionId)

                    Dim oDatatable As DataTable = _Environment.Database.GetDatatableWithConnection(oSQL, oConnectionString)

                    If oDatatable Is Nothing Then
                        Logger.Warn("Error in SQL-Query '{0}'", oSQL)
                        Continue For
                    End If

                    oDataSearches.Add(New Search() With {
                        .DataTable = oDatatable,
                        .ProfileId = oProfileId,
                        .TabCaption = oTabTitle,
                        .TabIndex = oCounter,
                        .SQLCommand = oSQL
                    })

                    oCounter += 1
                Catch ex As Exception
                    Logger.Error(ex)
                End Try
            Next

            Return oDataSearches.
                Where(Function(s) Not IsNothing(s.DataTable)).
                ToList()
        Catch ex As Exception
            Logger.Error(ex)
            Return oDataSearches
        End Try
    End Function
End Class