#!/usr/bin/python

#---------------------------------------------------------------------------

""" Import externals """
import wx
import sys
from optparse import OptionParser

#---------------------------------------------------------------------------

""" Import scyther-gui components """
import Preference
import Mainwindow
import Misc

#---------------------------------------------------------------------------

def parseArgs():
    usage = "usage: %s [optional initial settings]" % sys.argv[0]
    parser = OptionParser(usage=usage)

    # command
    parser.add_option("-V","--verify",dest="command",default=None,action="store_const",const="verify")
    parser.add_option("-s","--state-space",dest="command",default=None,action="store_const",const="statespace")
    parser.add_option("-a","--auto-claims",dest="command",default=None,action="store_const",const="autoverify")
    parser.add_option("-c","--check",dest="command",default=None,action="store_const",const="check")

    # misc debug etc
    parser.add_option("","--test",dest="test",default=False,action="store_true")

    return parser.parse_args()

#---------------------------------------------------------------------------

class MySplashScreen(wx.SplashScreen):
    def __init__(self):
        bmp = wx.Image(Misc.mypath("images/scyther-splash.png")).ConvertToBitmap()
        wx.SplashScreen.__init__(self, bmp,
                                 wx.SPLASH_CENTRE_ON_SCREEN | wx.SPLASH_TIMEOUT,
                                 5000, None, -1)
        self.Bind(wx.EVT_CLOSE, self.OnClose)
        self.fc = wx.FutureCall(2000, self.ShowMain)

    def OnClose(self, evt):
        # Make sure the default handler runs too so this window gets
        # destroyed
        evt.Skip()
        self.Hide()
        
        # if the timer is still running then go ahead and show the
        # main frame now
        if self.fc.IsRunning():
            self.fc.Stop()
            self.ShowMain()


    def ShowMain(self):
        if self.fc.IsRunning():
            self.Raise()
        

#---------------------------------------------------------------------------

class ScytherApp(wx.App):
    def OnInit(self):

        wx.GetApp().SetAppName("Scyther-gui")

        # Parse arguments
        (opts,args) = parseArgs()

        # Load preferences file
        Preference.init()

        """
        Create and show the splash screen.  It will then create and show
        the main frame when it is time to do so.
        
        The splash screen is disabled for automatic commands, and also
        by a setting in the preferences file.
        """
        if not opts.command:
            if not (Preference.get('splashscreen') in ['false','off','disable','0']):
                splash = MySplashScreen()
                splash.Show()

        self.mainWindow = Mainwindow.MainWindow(opts,args)
        self.SetTopWindow(self.mainWindow)
        self.mainWindow.Show()

        return True

    def OnExit(self):
        """ Tear down """

if __name__ == '__main__':
    scythergui = ScytherApp()
    scythergui.MainLoop()