#! /usr/bin/env python
#
# Copyright INRA-URGI 2009-2010
# 
# This software is governed by the CeCILL license under French law and
# abiding by the rules of distribution of free software. You can use,
# modify and/ or redistribute the software under the terms of the CeCILL
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# "http://www.cecill.info".
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"""Convert a GFF with REPET format to BED format"""

import os
from optparse import OptionParser
from commons.core.parsing.GffParser import *
from commons.core.writer.BedWriter import *
from SMART.Java.Python.misc.Progress import *


if __name__ == "__main__":
    
    # parse command line
    description = "Repet GFF Convert v1.0.1: Convert REPET-flavored GFF to normal GFF. [Category: Personnal]"

    parser = OptionParser(description = description)
    parser.add_option("-i", "--input",                        dest="inputFileName",    action="store",                                         type="string", help="input file [compulsory] [format: file in GFF3 format]")
    parser.add_option("-o", "--output",                     dest="outputFileName", action="store",                                         type="string", help="output file [compulsory] [format: output file in GFF3 format]")
    parser.add_option("-v", "--verbosity",                dest="verbosity",            action="store",            default=1,         type="int",        help="trace level [format: int]")
    (options, args) = parser.parse_args()

    parser            = GffParser(options.inputFileName, options.verbosity)
    transcripts = dict()
    progress        = Progress(parser.getNbTranscripts(), "Analyzing file %s" % (options.inputFileName), options.verbosity)
    for transcript in parser.getIterator():
        if transcript.feature.endswith("range"):
            transcripts[transcript.name] = transcript
        elif transcript.feature.endswith("hsp"):
            if transcript.name in transcripts:
                transcripts[transcript.name].addExon(transcript)
            else:
                sys.exit("Transcript %s is not defined\n" % (transcript.name))
        else:
            sys.exit("Do not understand feature %s" % (transcript.feature))
        progress.inc()
    progress.done()
        
    writer = BedWriter(options.outputFileName, options.verbosity)
    for name in transcripts:
        writer.addTranscript(transcripts[name])
        
    print "%d transcripts out of %d written (%.2f%%)" % (len(transcripts.keys()), parser.getNbTranscripts(), float(len(transcripts.keys())) / parser.getNbTranscripts() * 100)