#!/usr/bin/python
# coding=utf-8
"""Convert bank statement CSV to GnuCash-importable CSV

usage: gcconv [options] <format> <file>
       gcconv --list

Options:
    -e, --encoding ENCODING     input file encoding as understood by Python [default: utf-8]
    -l, --list                  list known formats
    --help                      show this screen
    --version                   show version
"""

__VERSION__ = "gcconv 0.0.1"

import sys

import docopt

import gcconv

class App(object):
    """
    Main application
    """

    class UsageError(ValueError):
        """Usage error"""
        pass

    def __init__(self, args):
        self.args = args

    @classmethod
    def main(cls, args):
        """
        Main entry point
        """
        app = cls(args)
        app.run()

    def run(self):
        """
        Run the app (main entry point)
        """
        if self.args['--list']:
            print "\n".join(gcconv.valid_formats())
            sys.exit(0)
        print gcconv.convert_file(
            self.args['<file>'],
            self.args['<format>'],
            encoding=self.args['--encoding']
        )


if __name__ == "__main__":
    App.main(docopt.docopt(__doc__, version=__VERSION__))