#!/usr/bin/env python
# -*- coding: latin-1; -*-
#
# Define external program paths according to local configuration

from prmClasses import *
import os, os.path, distutils.spawn

class ExtProgs(PRMSet):
    def __init__(self, verb=False):
        fname = 'metaforExtProgs.cfg'
        PRMSet.__init__(self, fname, verb)

    def __getitem__(self, key):
        return self.pars[key].val

    def loadPaths(self):
        home = os.path.expanduser("~")
        loc  = os.path.abspath('.')
        return  [home, loc]

    def savePath(self):
        home = os.path.expanduser("~")
        return home

    def setDefaultPars(self):
        if len(self.pars)!=0:
            return
        if isUnix():
            # Mesh generation
            TextPRM(self.pars,  'SAMCEF',      'Samcef',         'samcef')
            TextPRM(self.pars,  'GMSH',        'Gmsh',           'gmsh')
            TextPRM(self.pars,  'TRIANGLE',    'Triangle',       'triangle')
            TextPRM(self.pars,  'TETGEN',      'Tetgen',         'tetgen')
            TextPRM(self.pars,  'ISOSURF',     'Isosurf',        'isosurf')
            # Post pro (curve plot,...)
            TextPRM(self.pars,  'MATLAB',      'Matlab',         'matlab')
            TextPRM(self.pars,  'SCILAB',      'Scilab',         'scilab')
            TextPRM(self.pars,  'GNUPLOT',     'GnuPlot',        'gnuplot')
            # other post
            TextPRM(self.pars,  'LATEX',       'Latex',          'latex')
            TextPRM(self.pars,  'GHOSTSCRIPT', 'GhostScript',    'gs')
            TextPRM(self.pars,  'IMAGEMAGICK', 'Image Magick',   'convert')
        else: # windows
            # Mesh generation
            TextPRM(self.pars,  'SAMCEF',      'Samcef',        'samcef.cmd')
            TextPRM(self.pars,  'GMSH',        'Gmsh',          'gmsh.exe')
            TextPRM(self.pars,  'TRIANGLE',    'Triangle',      'triangle.exe')
            TextPRM(self.pars,  'TETGEN',      'Tetgen',        'tetgen.exe')
            TextPRM(self.pars,  'ISOSURF',     'Isosurf',       'isosurf.exe')
            # Post pro (curve plot,...)
            TextPRM(self.pars,  'MATLAB',      'Matlab',        'matlab.exe')
            TextPRM(self.pars,  'SCILAB',      'Scilab',        'scilab.bat')
            TextPRM(self.pars,  'GNUPLOT',     'GnuPlot',       'gnuplot.exe')
            # other post
            TextPRM(self.pars,  'LATEX',       'Latex',         'latex.exe')
            TextPRM(self.pars,  'GHOSTSCRIPT', 'GhostScript',   'gswin32c.exe')
            TextPRM(self.pars,  'IMAGEMAGICK', 'Image Magick',  'convert.exe')

    def checkValidity(self, key):
        if key not in self.pars :
            print "%s is not a valid external program key from externalProgramPath... "%key
            print "Solutions : "
            print "\t 1. Check the key validity (must be in capital letter)."
            print "\t 2. Update the 'externalProgramPath' Script and rerun the configuration."
            print "\t 3. If %s not in the Script last version, add it program in the Script..."%key
            return False

        if distutils.spawn.find_executable(os.path.splitext(self.pars[key].val)[0]) :
            return True
        else:
            print "%s is not found in %s ..."%(key, self.pars[key].val)
            print "\t Check installation and accessibility..."
            print "\t Use 'externalProgramPathGui' to define the full program path (recommanded)"
            print "\t or add %s in your user path (not recommanded)"%key
            return False

    def configAction(self):
        PRMAction(self.actions, 'a', self.pars['SAMCEF'])
        PRMAction(self.actions, 'b', self.pars['GMSH'])
        PRMAction(self.actions, 'c', self.pars['TRIANGLE'])
        PRMAction(self.actions, 'd', self.pars['TETGEN'])
        PRMAction(self.actions, 'e', self.pars['ISOSURF'])
        NoAction(self.actions)
        PRMAction(self.actions, 'f', self.pars['MATLAB'])
        PRMAction(self.actions, 'g', self.pars['SCILAB'])
        NoAction(self.actions)
        PRMAction(self.actions, 'h', self.pars['LATEX'])
        PRMAction(self.actions, 'i', self.pars['GHOSTSCRIPT'])
        PRMAction(self.actions, 'j', self.pars['IMAGEMAGICK'])
        NoAction(self.actions)
        SaveAction(self.actions , 'S')
        QuitAction(self.actions , 'Q')

#=================================================================================
def main():
    progsConf = ExtProgs() #verb=True)
    progsConf.configAction()
    progsConf.menu()


if __name__ == "__main__":
    try:
        import signal
        signal.signal(signal.SIGBREAK, sigbreak);
    except:
        pass
    main()