#!/usr/bin/python2.4

from getopt import getopt
import sys
from fluents import fluents, project, workflow
import workflows
import cfgparse, optparse

PROGRAM_NAME = 'fluents'
VERSION = '0.1.0'

def show_help():
    print 'fluent %s' % VERSION
    print 'This software is released under the GNU General Public Licence'
    print
    print 'Usage: fluent [options]'
    print 
    print 'Description:'
    print '    Fluent is a lightweight data analysis application for bilinear models.'
    print
    print 'Options:'
    print '    -h --help              Show this help text'
    print '    -l --list-workflows    Lists available workflows'
    print '    -w --workflow=<wf>     Generates a new project based on workflow wf.'
    print

def list_workflows():
    print 'fluent %s' % VERSION
    print
    print 'Workflows:'

    wfs = workflow.workflow_list()
    for wf in wfs:
        print '    %s (%s)' % (wf.ident, wf.name)
    print

def parse_options():
    cp = cfgparse.ConfigParser()
    op = optparse.OptionParser()

    op.add_option('-l', '--list-workflows',
                  action='store_true',
                  default=False,
                  help='List available workflows.')

    op.add_option('-w', '--workflow',
                 default='emptyview',
                 help='Start with selected workflow')

    return cp.parse(op)
    
if __name__ == '__main__':
    options, params = parse_options()
    
    if options.list_workflows:
        list_workflows()
        sys.exit(0)

    import gtk
    import gnome
    
    gnome.program_init(PROGRAM_NAME, VERSION)

    selected_wf = workflow.EmptyWorkflow

    workflow_list = workflow.workflow_list()
    for wf in workflow_list:
        if wf.ident == options.workflow:
            selected_wf = wf            

    app = fluents.FluentApp(selected_wf)
    fluents.app = app

    app.set_project(project.Project())
    app.show()
    gtk.main()