#!/usr/bin/python

import sys

from laydi import dataset
from getopt import getopt

def read_options():
    short_opts = ""
    long_opts = []

    options, params = getopt(sys.argv[1:], short_opts, long_opts)

    return params


def write_csv(fd, ds):
    rowdim, coldim = ds.get_dim_name()
    rowids = ds.get_identifiers(rowdim)
    colids = ds.get_identifiers(coldim)
    x = ds.asarray()

    ## Print ID row
    print >> fd, rowdim,
    for id in colids:
        print >> fd, id,
    print >> fd
    
    ## Print column IDs and data
    for i, row in enumerate(rowids):
        print >> fd, row,
        for j in range(len(colids)):
            print >> fd, x[i,j],
        print >> fd

if __name__ == "__main__":
    params = read_options()
    input_fn = params[0]

    if len(params) == 2:
	output_fn = params[1]
    else:
        name, ext = input_fn.rsplit('.', 1)
        output_fn = name + '.csv'

    ds = dataset.read_ftsv(input_fn)
    output_fd = open(output_fn, 'w')
    write_csv(output_fd, ds)
    output_fd.close()