Imports System.IO
Imports System.Xml.Serialization
Imports DevExpress.Utils
Imports DevExpress.Utils.Svg
Imports DigitalData.GUIs.ZooFlow.frmSearchFlow
Imports DigitalData.GUIs.ZooFlow.Search.SearchToken
Imports DigitalData.Modules.Base
Imports DigitalData.Modules.Config
Imports DigitalData.Modules.Logging
Imports DigitalData.Modules.Language

Namespace Search
    Public Class SearchLoader
        Inherits BaseClass

        Private Const CUSTOM_SEARCH_DIRECTORY = ""

        Private ReadOnly Images As SvgImageCollection
        Private ReadOnly Config As ConfigManager(Of UIConfig)
        'Private ReadOnly Serializer As New XmlSerializer(GetType(CustomSearch))

        Public Property CustomSearches As List(Of CustomSearch)

        Public Sub New(pLogConfig As LogConfig, pConfig As ConfigManager(Of UIConfig), pSvgImages As SvgImageCollection)
            MyBase.New(pLogConfig)
            Images = pSvgImages
            Config = pConfig
        End Sub

        Private Function GetSearchDirectoryPath() As String
            Dim oConfigPath As String = Config.UserConfigPath
            Dim oConfigDirectory As String = IO.Path.Combine(IO.Path.GetDirectoryName(oConfigPath), CUSTOM_SEARCH_DIRECTORY)

            If IO.Directory.Exists(oConfigDirectory) = False Then
                Try
                    IO.Directory.CreateDirectory(oConfigDirectory)
                Catch ex As Exception
                    Logger.Error(ex)
                End Try
            End If

            Return oConfigDirectory
        End Function

        Public Sub CreateCustomSearch(pTitle As String, pDescription As String, pTokens As List(Of Token), pImage As String)
            Dim oSearch As New CustomSearch With {
                .Name = pTitle,
                .Description = pDescription,
                .Tokens = pTokens,
                .Image = Images.Item(pImage)
            }
            CustomSearches.Add(oSearch)

            'Dim oDirectoryPath As String = GetSearchDirectoryPath()
            'Dim oFilePath As String = IO.Path.Combine(oDirectoryPath, Utils.ConvertTextToSlug(pTitle))
            'Dim oBuffer As Byte() = SerializeSearch(oSearch)

            'IO.File.WriteAllBytes(oFilePath, oBuffer)
        End Sub

        Public Function LoadSearches() As List(Of SavedSearch)
            Dim oSearches As New List(Of SavedSearch)
            Dim oCustomSearches = LoadCustomSearches()
            Dim oPredefinedSearches = LoadPredefinedSearches()

            Return oSearches.
                Concat(oCustomSearches).
                Concat(oPredefinedSearches).
                ToList()
        End Function

        Public Function LoadCustomSearches() As List(Of SavedSearch)
            Return New List(Of SavedSearch)
        End Function

        Public Function LoadPredefinedSearches() As List(Of SavedSearch)
            Return New List(Of SavedSearch) From {
                New PredefinedDateSearch() With {
                    .Name = "Heute",
                    .Description = "Dokumente, die heute abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.Today,
                    .Image = Images.Item("today")
                },
                New PredefinedDateSearch() With {
                    .Name = "Gestern",
                    .Description = "Dokumente, die gestern abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.Yesterday,
                    .Image = Images.Item("yesterday")
                },
                New PredefinedDateSearch() With {
                    .Name = "Letzte 7 Tage",
                    .Description = "Dokumente, die in den letzten 7 Tagen abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.Last7Days,
                    .Image = Images.Item("week")
                },
                New PredefinedDateSearch() With {
                    .Name = "Dieser Monat",
                    .Description = "Dokumente, die in diesem Monat abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.CurrentMonth,
                    .Image = Images.Item("month")
                },
                New PredefinedDateSearch() With {
                    .Name = "Letzter Monat",
                    .Description = "Dokumente, die im letzten Monat abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.LastMonth,
                    .Image = Images.Item("month")
                },
                New PredefinedDateSearch() With {
                    .Name = "Dieses Jahr",
                    .Description = "Dokumente, die in diesem Jahr abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.CurrentYear,
                    .Image = Images.Item("year")
                },
                New PredefinedDateSearch() With {
                    .Name = "Letztes Jahr",
                    .Description = "Dokumente, die im letzten Jahr abgelegt wurden",
                    .DateConstraint = SearchRunner.DateConstraint.LastYear,
                    .Image = Images.Item("year")
                }
            }
        End Function

        'Private Function SerializeSearch(pSearch As CustomSearch) As Byte()
        '    Try
        '        Using oStream As New MemoryStream
        '            Serializer.Serialize(oStream, pSearch)
        '            Return oStream.ToArray()
        '        End Using
        '    Catch ex As Exception
        '        Logger.Error(ex)
        '        Return Nothing
        '    End Try
        'End Function

        'Private Function DeserializeSearch(pBytes As Byte()) As CustomSearch
        '    Try
        '        Using oStream As New MemoryStream(pBytes)
        '            Return Serializer.Deserialize(oStream)
        '        End Using
        '    Catch ex As Exception
        '        Logger.Error(ex)
        '        Return Nothing
        '    End Try
        'End Function

        Public Class PredefinedSQLSearch
            Public Property SQLCommand As String
        End Class

        Public Class PredefinedDateSearch
            Inherits SavedSearch

            Public Overrides Property GroupText As String = "Vordefiniert"

            Public Property DateConstraint As SearchRunner.DateConstraint
        End Class

        Public Class CustomSearch
            Inherits SavedSearch

            Public Overrides Property GroupText As String = "Eigene"

            Public Tokens As New List(Of Token)
        End Class

        Public MustInherit Class SavedSearch
            Public Property Name As String
            Public Property Description As String

            Public Property Image As SvgImage
            Public Property Count As Integer = 0
            Public Overridable Property GroupText As String = "Vordefiniert"

            Public ReadOnly Property DisplayName As String
                Get
                    Return Name
                End Get
            End Property
        End Class
    End Class
End Namespace