#!/bin/env python3
# -*- mode: python -*-

# dcc - Compile brainfuck code to a csv file specifying Dogeparty sends
# Copyright (C) 2014 Rob Myers rob@robmyers.org
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or 
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from optparse import OptionParser
import sys

import dogecode.translation

def getopts():
    usage = "usage: %prog [options] source_file"
    parser = OptionParser(usage=usage)
    parser.add_option("-n", "--nocomment",
                      action="store_false", dest="strip", default=True,
                      help="don't skip the first [] as a comment")
    parser.add_option("-d", "--dontrun",
                      action="store_false", dest="run", default=True,
                      help="don't run the code locally to check it executes")
    parser.add_option("-o", "--outfile", dest="outfilename", default="-",
                      help="write compiled csv to OUTFILENAME", metavar="FILE")
    opts, args = parser.parse_args()
    if(len(args) != 1):
        parser.error("must supply source_file")
    return opts, args

def main():
    (opts, args) = getopts()
    outfile = sys.stdout
    if opts.outfilename != "-":
        try:
            outfile = open(opts.outfilename, 'w')
        except:
            print("Couldn't open file {} .".format(opts.outfilename))
            sys.exit(2)
    strip_comment = opts.strip
    run_code_locally = opts.run
    source_filename = args[0]
    try:
        source_code = open(source_filename).read()
    except:
        print("Couldn't read file {} .".format(source_filename))
        sys.exit(2)
    #TODO: check account strings are valid
    if run_code_locally:
        #TODO: run the code locally
        pass
    dogecode.translation.source_to_tokens_csv(source_code,
                                              outfile,
                                              strip_comment)

if __name__ == "__main__":
    main()