#!/usr/bin/env python
# Copyright (C) 2010 Dr. Ralf Schlatterbeck Open Source Consulting.
# Reichergasse 131, A-3411 Weidling.
# Web: http://www.runtux.com Email: office@runtux.com
# All rights reserved
# ****************************************************************************
#
# 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 2 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# ****************************************************************************

import sys
from csv                import reader
from optparse           import OptionParser
from StringIO           import StringIO
from ooopy.OOoPy        import OOoPy, OOoElementTree, mimetypes
from ooopy.Transformer  import OOo_Tag
from ooopy.Transforms   import Element, SubElement

def from_csv (ooopy, incsv) :
    """ Produce ElementTree from the CSV, then convert the Tree to the
        content.csv file inside the given ooopy container
    """
    mt = mimetypes [1]
    root  = Element (OOo_Tag ('office', 'document-content', mt))
    body  = SubElement (root,  OOo_Tag ('office', 'body', mt))
    #scrpt = SubElement (body,  OOo_Tag ('office', 'scripts'))
    #decl  = SubElement (body,  OOo_Tag ('office', 'font-face-decls'))
    sheet = SubElement (body,  OOo_Tag ('office', 'spreadsheet', mt))
    table = SubElement (sheet, OOo_Tag ('table', 'table', mt), name = 'Sheet1')
    tree  = OOoElementTree (ooopy, 'content.xml', root)
    for line in incsv :
        row = SubElement (table, OOo_Tag ('table', 'table-row', mt))
        for element in line :
            cell = SubElement \
                ( row
                , OOo_Tag ('table', 'table-cell', mt)
                , {OOo_Tag ('office', 'value-type', mt) : "string"}
                )
            p = SubElement (cell, OOo_Tag ('text', 'p', mt))
            p.text = element
    tree.write ()
    # Add META-INF/manifest.xml
    root  = Element (OOo_Tag ('manifest', 'manifest', mt))
    SubElement \
        ( root, OOo_Tag ('manifest', 'file-entry', mt)
        , { OOo_Tag ('manifest', 'media-type', mt) :
            'application/vnd.oasis.opendocument.spreadsheet'
          , OOo_Tag ('manifest', 'full-path', mt)  : '/'
          }
        )
    SubElement \
        ( root, OOo_Tag ('manifest', 'file-entry', mt)
        , { OOo_Tag ('manifest', 'media-type', mt) : 'text/xml'
          , OOo_Tag ('manifest', 'full-path', mt)  : 'content.xml'
          }
        )
    tree = OOoElementTree (ooopy, 'META-INF/manifest.xml', root)
    tree.write ()
# end def from_csv

if __name__ == '__main__' :
    parser = OptionParser ()
    parser.add_option \
        ( "-i", "--input-file"
        , dest    = "input_file"
        , help    = "CSV Input file (defaults to stdin)"
        , default = None
        )
    parser.add_option \
        ( "-o", "--output-file"
        , dest    = "output_file"
        , help    = "Output file (defaults to stdout)"
        , default = None
        )
    parser.add_option \
        ( "-d", "--delimiter"
        , help    = "Delimiter of CSV file"
        , default = ','
        )
    (opt, args) = parser.parse_args ()
    outfile = opt.output_file
    if opt.input_file :
        incsv = reader (open (opt.input_file), delimiter = opt.delimiter)
    else :
        incsv = reader (sys.stdin, delimiter = opt.delimiter)
    if outfile is None :
        outfile = StringIO ()
    o = OOoPy (outfile = outfile, mimetype = mimetypes [1])
    from_csv (o, incsv)
    o.close ()
    if opt.output_file is None :
        sys.stdout.write (outfile.getvalue ())