#!/usr/bin/env python

# $LicenseInfo:firstyear=2016&license=internal$
# 
# Copyright (c) 2016, Linden Research, Inc.
# 
# The following source code is PROPRIETARY AND CONFIDENTIAL. Use of
# this source code is governed by the Linden Lab Source Code Disclosure
# Agreement ("Agreement") previously entered between you and Linden
# Lab. By accessing, using, copying, modifying or distributing this
# software, you acknowledge that you have been informed of your
# obligations under the Agreement and agree to abide by those obligations.
# 
# ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
# WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
# COMPLETENESS OR PERFORMANCE.
# $/LicenseInfo$
# Copyright (c) 2013, Linden Research, Inc.

import argparse
import InstallerUserMessage
import os
import sys
import subprocess
import update_manager

def after_frame(my_message, timeout = 10000):
   #pop up a InstallerUserMessage.basic_message that kills itself after timeout milliseconds
   #note that this blocks the caller for the duration of timeout
   frame = InstallerUserMessage(title = "Second Life Installer", icon_name="head-sl-logo.gif")
   #this is done before basic_message so that we aren't blocked by mainloop()
   frame.after(timout, lambda: frame._delete_window)
   frame.basic_message(message = my_message)

cwd = os.path.dirname(os.path.realpath(__file__))

executable_name = ""
if sys.platform.startswith('darwin'):
   executable_name = "Second Life"
elif sys.platform.startswith("win") or sys.platform.startswith("cyg"):
   if os.path.isfile(os.path.join(cwd,"SecondLifeViewer.exe")):
      executable_name = "SecondLifeViewer.exe"
   elif os.path.isfile(os.path.join(cwd,"SecondLifeTest.exe")):
      executable_name = "SecondLifeTest.exe"
   else:
      sys.exit("Can't find Windows viewer binary")
elif sys.platform.startswith("linux"):
   executable_name = "secondlife"
else:
   #SL doesn't run on VMS or punch cards
   sys.exit("Unsupported platform")
   
#check for an update
#TODO

#find the viewer to be lauched
viewer_binary = os.path.join(os.path.dirname(os.path.abspath(sys.argv[0])),executable_name) 

parser = argparse.ArgumentParser()
args = parser.parse_known_args(sys.argv)
args_list_to_pass = args[1][1:]
#make a copy by value, not by reference
command = list(args_list_to_pass)

(success, state, condition) = update_manager.update_manager()
# From update_manager:
#  (False, 'setup', None): error occurred before we knew what the update was (e.g., in setup or parsing)
#  (False, 'download', version): we failed to download the new version
#  (False, 'apply', version): we failed to apply the new version
#  (True, None, None): No update found
#  (True, 'in place', True): update applied in place
#  (True, 'in place', path_to_new_launcher): Update applied by a new install to a new location
#  (True, 'background', True): background download initiated
#These boil down three cases:
#  Success is False, then pop up a message and launch the current viewer
#  No update, update succeeded in place in foreground, or background update started: silently launch the current viewer channel
#  Updated succeed to a different channel, launch that viewer and exit
if not success:
   msg = 'Update failed in the %s process.  Please check logs.  Viewer will launch starting momentarily.'
   after_frame(msg)
   command.insert(0,viewer_binary)
   viewer_process = subprocess.Popen(command)
   #at the moment, we just exit here.  Later, the crash monitor will be launched at this point
elif (success == True and 
      (state == None 
       or (state ==  'background' and condition == True)
       or (state == 'in_place' and condition == True))):
   command.insert(0,viewer_binary)
   viewer_process = subprocess.Popen(command)
   #at the moment, we just exit here.  Later, the crash monitor will be launched at this point
else:
   #'condition' is the path to the new launcher.
   command.insert(0,condition)
   viewer_process = subprocess.Popen(command)
   sys.exit(0)