'
' Contributor(s):
' Michael Jerris <mike@jerris.com>
' David A. Horner http://dave.thehorners.com
'----------------------------------------------

'On Error Resume Next
' **************
' Initialization
' **************

Set WshShell = CreateObject("WScript.Shell")
Set FSO = CreateObject("Scripting.FileSystemObject")
Set WshSysEnv = WshShell.Environment("SYSTEM")
Set xml = CreateObject("Microsoft.XMLHTTP")
Dim UseWgetEXE

On Error Resume Next
Set oStream = CreateObject("Adodb.Stream")
On Error Goto 0

If Not IsObject(oStream)  Then
	wscript.echo("Failed to create Adodb.Stream, using alternative download method.")
	UseWgetEXE=true
Else
	UseWgetEXE=false
End If
Randomize
Set objArgs = WScript.Arguments
quote=Chr(34)
ScriptDir=Left(WScript.ScriptFullName,Len(WScript.ScriptFullName)-Len(WScript.ScriptName))
UtilsDir=Showpath(ScriptDir)
ToolsBase="http://files.freeswitch.org/downloads/win32/"

If UseWgetEXE Then
	GetWgetEXE UtilsDir
End If

GetCompressionTools UtilsDir


If objArgs.Count >=3 Then
	Select Case objArgs(0)
		Case "Get"		
			Wget objArgs(1), Showpath(objArgs(2))
		Case "GetUnzip"		
			WgetUnCompress objArgs(1), Showpath(objArgs(2))
		Case "GetUnzipSounds"
			WgetSounds objArgs(1), objArgs(2), Showpath(objArgs(3)), objArgs(4)
		Case "Version"					
			'CreateVersion(tmpFolder, VersionDir, includebase, includedest)
			CreateVersion Showpath(objArgs(1)), Showpath(objArgs(2)), objArgs(3), objArgs(4)
	End Select
End If


' *******************
' Utility Subroutines
' *******************

Sub WgetSounds(PrimaryName, Freq, DestFolder, VersionFile)
    BaseURL = "http://files.freeswitch.org/freeswitch-sounds"
    Set objFSO = CreateObject("Scripting.FileSystemObject")
    Set objTextFile = objFSO.OpenTextFile(VersionFile,1)
    Do Until objTextFile.AtEndOfStream
        strLine = objTextFile.Readline
        if Len(strLine) > 2 then
            versionPos = InstrRev(strLine, " ", -1, 1)
            name = Left(strLine, versionPos-1)
            if name = PrimaryName Then
                version = Right(strLine, Len(strLine) - versionPos)
                Wscript.Echo "Sound name: " & name & " Version " & version
                URL = BaseURL & "-" & name & "-" & Freq &"-" & version & ".tar.gz"
                Wscript.Echo "URL: " & URL
                WgetUnCompress URL, Showpath(DestFolder)
            End If
        End if
    Loop
End Sub

Sub WgetUnCompress(URL, DestFolder)
	If Right(DestFolder, 1) <> "\" Then DestFolder = DestFolder & "\" End If
	StartPos = InstrRev(URL, "/", -1, 1) 
	strlength = Len(URL)
	filename=Right(URL,strlength-StartPos)
	NameEnd = InstrRev(filename, ".",-1, 1)
	filestrlength = Len(filename)
	filebase = Left(filename,NameEnd)
	fileext = Right(filename, Len(filename) - NameEnd)
	Wget URL, DestFolder
	If fileext = "zip" Then
		UnCompress Destfolder & filename, DestFolder & filebase
	Else
		UnCompress Destfolder & filename, DestFolder	
	End If
End Sub

Sub GetCompressionTools(DestFolder)
	Dim oExec
	If Right(DestFolder, 1) <> "\" Then DestFolder = DestFolder & "\" End If
	If Not FSO.FileExists(DestFolder & "7za.exe") Then 
		If Not FSO.FileExists(DestFolder & "7za.tag") Then 
			Set MyFile = fso.CreateTextFile(DestFolder & "7za.tag", True)
			MyFile.WriteLine("This file marks a pending download for 7za.exe so we don't download it twice at the same time")
			MyFile.Close
				
				Wget ToolsBase & "7za.exe", DestFolder
			
			FSO.DeleteFile DestFolder & "7za.tag" ,true 
		Else
			WScript.Sleep(5000)
		End If	
	End If	
End Sub

Sub GetWgetEXE(DestFolder)
	Dim oExec
	If Right(DestFolder, 1) <> "\" Then DestFolder = DestFolder & "\" End If
	If Not FSO.FileExists(DestFolder & "wget.exe") Then 
		Slow_Wget ToolsBase & "wget.exe", DestFolder
	End If	
End Sub

Sub UnCompress(Archive, DestFolder)
	batname = "tmp" & CStr(Int(10000*Rnd)) & ".bat"
	wscript.echo("Extracting: " & Archive)
	Set MyFile = fso.CreateTextFile(UtilsDir & batname, True)
	MyFile.WriteLine("@" & quote & UtilsDir & "7za.exe" & quote & " x " & quote & Archive & quote & " -y -o" & quote & DestFolder & quote )
	MyFile.Close
	Set oExec = WshShell.Exec(UtilsDir & batname)
	Do
		WScript.Echo OExec.StdOut.ReadLine()
	Loop While Not OExec.StdOut.atEndOfStream
	If FSO.FileExists(Left(Archive, Len(Archive)-3))Then  
		Set MyFile = fso.CreateTextFile(UtilsDir & batname, True)
		MyFile.WriteLine("@" & quote & UtilsDir & "7za.exe" & quote & " x " & quote & Left(Archive, Len(Archive)-3) & quote & " -y -o" & quote & DestFolder & quote )
		MyFile.Close
		Set oExec = WshShell.Exec(UtilsDir & batname)
		Do
			WScript.Echo OExec.StdOut.ReadLine()
		Loop While Not OExec.StdOut.atEndOfStream
		WScript.Sleep(500)
		FSO.DeleteFile Left(Archive, Len(Archive)-3) ,true 
	End If
	If FSO.FileExists(Left(Archive, Len(Archive)-3) & "tar")Then  
		Set MyFile = fso.CreateTextFile(UtilsDir & batname, True)
		MyFile.WriteLine("@" & quote & UtilsDir & "7za.exe" & quote & " x " & quote & Left(Archive, Len(Archive)-3) & "tar" & quote & " -y -o" & quote & DestFolder & quote )
		MyFile.Close
		Set oExec = WshShell.Exec(UtilsDir & batname)
		Do
			WScript.Echo OExec.StdOut.ReadLine()
		Loop While Not OExec.StdOut.atEndOfStream
		WScript.Sleep(500)
		FSO.DeleteFile Left(Archive, Len(Archive)-3) & "tar",true 
	End If
	
	WScript.Sleep(500)
	If FSO.FileExists(UtilsDir & batname)Then  
		FSO.DeleteFile UtilsDir & batname, True
	End If
End Sub

Sub Wget(URL, DestFolder)
	StartPos = InstrRev(URL, "/", -1, 1)   
	strlength = Len(URL)
	filename=Right(URL,strlength-StartPos)
	If Right(DestFolder, 1) <> "\" Then DestFolder = DestFolder & "\" End If

	Wscript.echo("Downloading: " & URL)
	
If UseWgetEXE Then
	batname = "tmp" & CStr(Int(10000*Rnd)) & ".bat"
	Set MyFile = fso.CreateTextFile(UtilsDir & batname, True)
	MyFile.WriteLine("@cd " & quote & DestFolder & quote)
	MyFile.WriteLine("@" & quote & UtilsDir & "wget.exe" & quote & " " & URL)
	MyFile.Close
	Set oExec = WshShell.Exec(UtilsDir & batname)
	Do
		WScript.Echo OExec.StdOut.ReadLine()
	Loop While Not OExec.StdOut.atEndOfStream

Else
	xml.Open "GET", URL, False
	xml.Send
	
	Const adTypeBinary = 1
	Const adSaveCreateOverWrite = 2
	Const adSaveCreateNotExist = 1 

	oStream.type = adTypeBinary
	oStream.open
	oStream.write xml.responseBody
	oStream.savetofile DestFolder & filename, adSaveCreateOverWrite
	oStream.close
End If

End Sub

Sub Slow_Wget(URL, DestFolder)
	StartPos = InstrRev(URL, "/", -1, 1)   
	strlength = Len(URL)
	filename=Right(URL,strlength-StartPos)
	If Right(DestFolder, 1) <> "\" Then DestFolder = DestFolder & "\" End If

	Wscript.echo("Downloading: " & URL)
	xml.Open "GET", URL, False
	xml.Send
	
	const ForReading = 1 , ForWriting = 2 , ForAppending = 8 
Set MyFile = fso.OpenTextFile(DestFolder & filename ,ForWriting, True)
For i = 1 to lenb(xml.responseBody)
 MyFile.write Chr(Ascb(midb(xml.responseBody,i,1)))
Next
MyFile.Close()

End Sub

Function Showpath(folderspec)
	Set f = FSO.GetFolder(folderspec)
	showpath = f.path & "\"
End Function


Function FindVersionStringInConfigure(strConfigFile, strVersionString)

Set objRegEx = CreateObject("VBScript.RegExp")
objRegEx.Pattern = "[^#]AC_SUBST\(" & strVersionString & ".*\[([^\[]*)\]"
 
Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFile = objFSO.OpenTextFile(strConfigFile, 1)
strSearchString = objFile.ReadAll
objFile.Close

Set colMatches = objRegEx.Execute(strSearchString)  

strResult = ""
If colMatches.Count > 0 Then
   For Each strMatch in colMatches   
	strResult = objRegEx.Replace(strMatch.Value, "$1")
    Next
End If

	FindVersionStringInConfigure = strResult

End Function

Sub FindReplaceInFile(FileName, sFind, sReplace)
	Const OpenAsASCII = 0  ' Opens the file as ASCII (TristateFalse) 
	Const OpenAsUnicode = -1  ' Opens the file as Unicode (TristateTrue) 
	Const OpenAsDefault = -2  ' Opens the file using the system default 
	
	Const OverwriteIfExist = -1 
	Const FailIfNotExist   =  0 
	Const ForReading       =  1 
	
	Set fOrgFile = FSO.OpenTextFile(FileName, ForReading, FailIfNotExist, OpenAsASCII)
	sText = fOrgFile.ReadAll
	fOrgFile.Close
	sText = Replace(sText, sFind, sReplace)
	Set fNewFile = FSO.CreateTextFile(FileName, OverwriteIfExist, OpenAsASCII)
	fNewFile.WriteLine sText
	fNewFile.Close
End Sub

Sub CreateVersion(tmpFolder, VersionDir, includebase, includedest)
	Dim oExec
	
	strVerMajor = FindVersionStringInConfigure(VersionDir & "configure.in", "SWITCH_VERSION_MAJOR")
	strVerMinor = FindVersionStringInConfigure(VersionDir & "configure.in", "SWITCH_VERSION_MINOR")
	strVerMicro = FindVersionStringInConfigure(VersionDir & "configure.in", "SWITCH_VERSION_MICRO")
	strVerRev   = FindVersionStringInConfigure(VersionDir & "configure.in", "SWITCH_VERSION_REVISION")
	
	If Right(tmpFolder, 1) <> "\" Then tmpFolder = tmpFolder & "\" End If
	If Not FSO.FileExists(tmpFolder & "fs_svnversion.exe") Then 
		Wget ToolsBase & "fs_svnversion.exe", tmpFolder
	End If	

	If Not FSO.FileExists(tmpFolder & "libdb44.dll") Then 
		Wget ToolsBase & "libdb44.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libsvn_diff-1.dll") Then 
		Wget ToolsBase & "libsvn_diff-1.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libsvn_subr-1.dll") Then 
		Wget ToolsBase & "libsvn_subr-1.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libsvn_wc-1.dll") Then 
		Wget ToolsBase & "libsvn_wc-1.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "intl3_svn.dll") Then 
		Wget ToolsBase & "intl3_svn.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libapr-1.dll") Then 
		Wget ToolsBase & "libapr-1.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libaprutil-1.dll") Then 
		Wget ToolsBase & "libaprutil-1.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libapriconv-1.dll") Then 
		Wget ToolsBase & "libapriconv-1.dll", tmpFolder
	End If	
	If Not FSO.FileExists(tmpFolder & "libsvn_delta-1.dll") Then 
		Wget ToolsBase & "libsvn_delta-1.dll", tmpFolder
	End If	

	Dim sLastFile
	Const OverwriteIfExist = -1
	Const ForReading       =  1

	if strVerRev = "" Then
		if FSO.FolderExists(VersionDir & ".svn") Then
			VersionCmd="fs_svnversion " & quote & VersionDir & "." & quote &  " -n"
			Set MyFile = fso.CreateTextFile(tmpFolder & "tmpVersion.Bat", True)
			MyFile.WriteLine("@" & "cd " & quote & tmpFolder & quote )
			MyFile.WriteLine("@" & VersionCmd)
			MyFile.Close
			Set oExec = WshShell.Exec("cmd /C " & quote & tmpFolder & "tmpVersion.Bat" & quote)
			Do
				strFromProc = OExec.StdOut.ReadLine()
				VERSION="svn-" & strFromProc
			Loop While Not OExec.StdOut.atEndOfStream
			sLastVersion = ""
			Set sLastFile = FSO.OpenTextFile(tmpFolder & "lastversion", ForReading, true, OpenAsASCII)
			If Not sLastFile.atEndOfStream Then
				sLastVersion = sLastFile.ReadLine()
			End If
			sLastFile.Close
		End If

		if FSO.FolderExists(VersionDir & ".git") Then
			VersionCmd="git log --format=" & quote & "%%h %%ci" & quote & " -1 HEAD"
			Set MyFile = FSO.CreateTextFile(tmpFolder & "tmpVersion.Bat", True)
			MyFile.WriteLine("@" & "cd " & quote & VersionDir & quote)
			MyFile.WriteLine("@" & VersionCmd)
			MyFile.Close
			Set oExec = WshShell.Exec("cmd /C " & quote & tmpFolder & "tmpVersion.Bat" & quote)
			Do
				strFromProc = Trim(OExec.StdOut.ReadLine())
				VERSION="git-" & strFromProc
			Loop While Not OExec.StdOut.atEndOfStream
			sLastVersion = ""
			Set sLastFile = FSO.OpenTextFile(tmpFolder & "lastversion", ForReading, true, OpenAsASCII)
			If Not sLastFile.atEndOfStream Then
				sLastVersion = sLastFile.ReadLine()
			End If
			sLastFile.Close
			VERSION = Replace(VERSION, ":", "-")
		End If
	End If
	
	if strVerRev <> "" Then
	    VERSION = strVerRev
	End If

	If VERSION = "" Then
		VERSION = "UNKNOWN"
	End If

	If VERSION <> sLastVersion Then
		Set MyFile = fso.CreateTextFile(tmpFolder & "lastversion", True)
		MyFile.WriteLine(VERSION)
		MyFile.Close
	
		FSO.CopyFile includebase, includedest, true
		FindReplaceInFile includedest, "@SWITCH_VERSION_REVISION@", VERSION
		FindReplaceInFile includedest, "@SWITCH_VERSION_MAJOR@", strVerMajor
		FindReplaceInFile includedest, "@SWITCH_VERSION_MINOR@", strVerMinor
		FindReplaceInFile includedest, "@SWITCH_VERSION_MICRO@", strVerMicro

	End If
	
End Sub