#
#    Metrix++, Copyright 2009-2013, Metrix++ Project
#    Link: http://metrixplusplus.sourceforge.net
#    
#    This file is a part of Metrix++ Tool.
#    
#    Metrix++ 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, version 3 of the License.
#    
#    Metrix++ 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 Metrix++.  If not, see <http://www.gnu.org/licenses/>.
#


import logging
import cgi

import core.log
import core.cmdparser
import core.db.post
import core.db.loader

import core.api
class Tool(core.api.ITool):
    def run(self, tool_args):
        return main(tool_args)

def main(tool_args):
    log_plugin = core.log.Plugin()
    db_plugin = core.db.post.Plugin()

    parser = core.cmdparser.MultiOptionParser(usage="Usage: %prog debug [options] -- [path 1] ... [path N]")
    log_plugin.declare_configuration(parser)
    db_plugin.declare_configuration(parser)
    parser.add_option("-m", "--mode", default='dumphtml', choices=['dumphtml'],
                         help="'dumphtml' - prints html code with code highlights for each given path [default: %default]")

    (options, args) = parser.parse_args(tool_args)
    log_plugin.configure(options)
    db_plugin.configure(options)

    loader = core.db.loader.Loader()
    loader.open_database(db_plugin.dbfile)

    if options.__dict__['mode'] == 'dumphtml':
        return dumphtml(args, loader)
    
    assert(False)    
    
def dumphtml(args, loader):
    exit_code = 0
    result = ""
    result += '<html><body>'
    for path in args:
        data = loader.load_file_data(path)
        if data == None:
            logging.error("Specified path '" + path + "' is invalid (not found in the database records)")
            exit_code += 1
            continue
        
        file_name = data.get_path()
        fh = open(file_name, 'r')
        if fh == None:
            logging.error("can not open file '" + path + "' for reading")
            exit_code += 1
            continue
        text = fh.read()
        fh.close()
        
        result += '<table><tr><td><pre>'
        last_pos = 0
        for marker in data.iterate_markers():
            result += (cgi.escape(text[last_pos:marker.begin]))
            if marker.get_type() == data.get_marker_types().STRING:
                result += ('<span style="color:#0000FF">')
            elif marker.get_type() == data.get_marker_types().COMMENT:
                result += ('<span style="color:#009900">')
            elif marker.get_type() == data.get_marker_types().PREPROCESSOR:
                result += ('<span style="color:#990000">')
            result += (cgi.escape(text[marker.begin:marker.end]))
            result += ('</span>')
            last_pos = marker.end
        result += (cgi.escape(text[last_pos:]))
        last_pos = 0
        result += ('</pre></td><td><pre>')
        styles = [('<span style="background-color:#F0F010">',
                  '<span style="background-color:#F010F0">'),
                  ('<span style="background-color:#F0F030">',
                  '<span style="background-color:#F030F0">'),
                  ('<span style="background-color:#F0F050">',
                  '<span style="background-color:#F050F0">'),
                  ('<span style="background-color:#F0F070">',
                  '<span style="background-color:#F070F0">'),
                  ('<span style="background-color:#F0F090">',
                  '<span style="background-color:#F090F0">'),
                  ('<span style="background-color:#F0F0B0">',
                  '<span style="background-color:#F0B0F0">'),
                  ('<span style="background-color:#F0F0D0">',
                  '<span style="background-color:#F0D0F0">'),
                  ('<span style="background-color:#F0F0E0">',
                  '<span style="background-color:#F0E0F0">')]
        
        def proc_rec(region_id, file_data, styles, indent, pos):
            result = (styles[indent % len(styles)][pos % 2])
            region = file_data.get_region(region_id)
            result += ('<a href="#line' + str(region.get_cursor()) + '" id=line"' + str(region.get_cursor()) + '"></a>')
            last_pos = region.get_offset_begin() 
            for (ind, sub_id) in enumerate(file_data.get_region(region_id).iterate_subregion_ids()):
                subregion = file_data.get_region(sub_id)
                result += (cgi.escape(text[last_pos:subregion.get_offset_begin()]))
                result += proc_rec(sub_id, file_data, styles, indent + 3, ind)
                last_pos = subregion.get_offset_end()
            result += (cgi.escape(text[last_pos:region.get_offset_end()]))
            result += ('</span>')
            return result
        result += proc_rec(1, data, styles, 0, 0)
        result += ('</pre></td></tr></table>')
    result += ('</body></html>')
    print result
    return exit_code
            
