<%
Class BulkLogController_Class
    Private m_useLayout
    Private m_title

    Private Sub Class_Initialize()
        m_useLayout = True
        m_title = "Bulk log"
    End Sub

    Public Property Get useLayout
        useLayout = m_useLayout
    End Property

    Public Property Let useLayout(v)
        m_useLayout = v
    End Property

    Public Property Get Title
        Title = m_title
    End Property

    Public Property Let Title(v)
        m_title = v
    End Property

    '-------------------------------------------------------------------------------------------------------------------
    ' GET /bulk-log : paste emails + dates
    '-------------------------------------------------------------------------------------------------------------------
    Public Sub index()
        Dim csrf, fv
        csrf = Csrf_Token("bulklog")
        Set fv = Nothing
        RenderForm csrf, fv
    End Sub

    ' Shared by index and a failed preview: fv (unsaved values) is Nothing for a blank form.
    Private Sub RenderForm(csrf, fv)
        Dim today, emailsText, method, outcome, contactedAt, followUp, notes
        today = Date_Iso(Date)
        emailsText = "" : method = "email" : outcome = "" : contactedAt = today : followUp = "" : notes = ""
        If Not fv Is Nothing Then
            emailsText = fv("emails") : method = fv("method") : outcome = fv("outcome")
            contactedAt = fv("contacted_at") : followUp = fv("follow_up_date") : notes = fv("notes")
        End If
    %>
    <!--#include file="../views/BulkLog/index.asp" -->
    <%
    End Sub

    '-------------------------------------------------------------------------------------------------------------------
    ' POST /bulk-log/preview : show who matched before anything is written
    '-------------------------------------------------------------------------------------------------------------------
    Public Sub preview()
        Dim v, parsed, matches, i, found, k, missing, skipped, toLog, csrf, emailsJoined
        Set v = ReadForm()
        If Not v.Exists("emails") Then Exit Sub   ' ReadForm already redirected

        Set parsed = BulkLog_ParseEmails(v("emails"))
        Set matches = BusinessRepository().FindByEmails(parsed("valid"))

        Set found = CreateObject("Scripting.Dictionary")
        Set toLog = CreateObject("Scripting.Dictionary")
        Set skipped = CreateObject("Scripting.Dictionary")
        For i = 0 To matches.Count - 1
            found(LCase(matches(i)("email") & "")) = 1
            If matches(i)("status") = "removed" Then
                skipped.Add skipped.Count, matches(i)
            Else
                toLog.Add toLog.Count, matches(i)
            End If
        Next
        Set missing = CreateObject("Scripting.Dictionary")
        For Each k In parsed("valid").Keys
            If Not found.Exists(k) Then missing.Add missing.Count, k
        Next

        emailsJoined = Join(parsed("valid").Keys, ";")
        csrf = Csrf_Token("bulklog")
        m_title = "Bulk log: review"
    %>
    <!--#include file="../views/BulkLog/preview.asp" -->
    <%
    End Sub

    '-------------------------------------------------------------------------------------------------------------------
    ' POST /bulk-log/run : log the contact on every matching, non-removed business
    '-------------------------------------------------------------------------------------------------------------------
    Public Sub run()
        Dim v, parsed, matches, i, n, contactedAt, followUp
        Set v = ReadForm()
        If Not v.Exists("emails") Then Exit Sub

        contactedAt = Date_Parse(v("contacted_at"))
        If IsNull(contactedAt) Then contactedAt = Date
        followUp = Date_Parse(v("follow_up_date"))

        Set parsed = BulkLog_ParseEmails(v("emails"))
        Set matches = BusinessRepository().FindByEmails(parsed("valid"))

        n = 0
        For i = 0 To matches.Count - 1
            If matches(i)("status") <> "removed" Then
                BusinessRepository().LogInteraction CLng(matches(i)("id")), v("method"), v("outcome"), v("notes"), _
                                                    contactedAt, followUp, False, Null
                n = n + 1
            End If
        Next

        If n = 0 Then
            Flash().AddError "No businesses were updated."
            Response.Redirect "/bulk-log"
        End If
        If IsNull(followUp) Then
            Flash().Success = "Logged a contact on " & n & " business" & Iif_(n = 1, "", "es") & "."
        Else
            Flash().Success = "Logged a contact on " & n & " business" & Iif_(n = 1, "", "es") & ". Follow-up set for " & Date_Fmt(followUp) & "."
        End If
        Response.Redirect "/bulk-log"
    End Sub

    '-------------------------------------------------------------------------------------------------------------------
    ' Shared checks
    '-------------------------------------------------------------------------------------------------------------------

    ' Validates the CSRF token and the form fields; returns them as a Dictionary (empty after a redirect on error).
    Private Function ReadForm()
        Dim v, d, contactedAt, followUp, method, outcome
        Set v = CreateObject("Scripting.Dictionary")
        Set ReadForm = v

        If Not Csrf_Valid("bulklog", F("csrf")) Then
            Flash().AddError "Invalid form state. Please try again."
            Response.Redirect "/bulk-log"
        End If

        method = F("method")
        outcome = F("outcome")
        If Not Businesses_IsKey(Businesses_Methods(), method) Then
            Flash().AddError "Choose how you contacted them."
            Response.Redirect "/bulk-log"
        End If
        ' "Remove from list" is deliberately not offered in bulk.
        If outcome = "remove" Or Not Businesses_IsKey(Businesses_Outcomes(), outcome) Then outcome = ""

        If Len(F("contacted_at")) > 0 Then
            contactedAt = Date_Parse(F("contacted_at"))
            If IsNull(contactedAt) Then
                Flash().AddError "The contact date isn't a valid date."
                Response.Redirect "/bulk-log"
            End If
            If contactedAt > Date + 1 Then
                Flash().AddError "The contact date can't be in the future."
                Response.Redirect "/bulk-log"
            End If
        End If

        If Len(F("follow_up_date")) > 0 Then
            followUp = Date_Parse(F("follow_up_date"))
            If IsNull(followUp) Then
                Flash().AddError "The follow-up date isn't a valid date."
                Response.Redirect "/bulk-log"
            End If
        End If

        Set d = BulkLog_ParseEmails(F("emails"))
        If d("valid").Count = 0 Then
            Flash().AddError "Enter at least one valid email address."
            Response.Redirect "/bulk-log"
        End If
        If d("valid").Count > 500 Then
            Flash().AddError "That's more than 500 addresses; split them into smaller batches."
            Response.Redirect "/bulk-log"
        End If

        v("emails") = Left(F("emails"), 60000)
        v("method") = method
        v("outcome") = outcome
        v("contacted_at") = F("contacted_at")
        v("follow_up_date") = F("follow_up_date")
        v("notes") = Left(F("notes"), 10000)
        Set ReadForm = v
    End Function

    Private Function F(name)
        F = CStr(Request.Form(name))
    End Function

End Class

Dim BulkLogController_Class__Singleton
Function BulkLogController()
    If IsEmpty(BulkLogController_Class__Singleton) Then
        Set BulkLogController_Class__Singleton = New BulkLogController_Class
    End If
    Set BulkLogController = BulkLogController_Class__Singleton
End Function
%>