# Copyright The IETF Trust 2008, All Rights Reserved

# Portion Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
# All rights reserved. Contact: Pasi Eronen <pasi.eronen@nokia.com>
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions 
# are met:
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#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
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#  * Redistributions in binary form must reproduce the above
#    copyright notice, this list of conditions and the following
#    disclaimer in the documentation and/or other materials provided
#    with the distribution.
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#  * Neither the name of the Nokia Corporation and/or its
#    subsidiary(-ies) nor the names of its contributors may be used
#    to endorse or promote products derived from this software
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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from ietf.idtracker.models import Area, IETFWG
from django.shortcuts import get_object_or_404, render_to_response
from django.template import RequestContext, loader
from django.http import HttpResponse
from ietf.idrfc.views_search import SearchForm, search_query
from ietf.idrfc.idrfc_wrapper import IdRfcWrapper

def wg_summary_acronym(request):
    areas = Area.active_areas()
    wgs = IETFWG.objects.filter(status=IETFWG.ACTIVE)
    return HttpResponse(loader.render_to_string('wginfo/1wg-summary-by-acronym.txt', {'area_list': areas, 'wg_list': wgs}),mimetype='text/plain; charset=UTF-8')

def wg_summary_area(request):
    wgs = IETFWG.objects.filter(status='1',start_date__isnull=False)
    return HttpResponse(loader.render_to_string('wginfo/1wg-summary.txt', {'wg_list': wgs}),mimetype='text/plain; charset=UTF-8')

def wg_charters(request):
    wgs = IETFWG.objects.filter(status='1',start_date__isnull=False)
    return HttpResponse(loader.render_to_string('wginfo/1wg-charters.txt', {'wg_list': wgs}),mimetype='text/plain; charset=UTF-8')

def wg_charters_by_acronym(request):
    wgs = IETFWG.objects.filter(status='1',start_date__isnull=False)
    return HttpResponse(loader.render_to_string('wginfo/1wg-charters-by-acronym.txt', {'wg_list': wgs}),mimetype='text/plain; charset=UTF-8')

def wg_dir(request):
    areas = Area.active_areas()
    return render_to_response('wginfo/wg-dir.html', {'areas':areas}, RequestContext(request))

def wg_documents(request, acronym):
    wg = get_object_or_404(IETFWG, group_acronym__acronym=acronym, group_type=1)
    concluded = (wg.status_id != 1)
    form = SearchForm({'by':'group', 'group':str(wg.group_acronym.acronym),
                       'rfcs':'on', 'activeDrafts':'on'})
    if not form.is_valid():
        raise ValueError("form did not validate")
    (docs,meta) = search_query(form.cleaned_data)
    
    # get the related docs
    form_related = SearchForm({'by':'group', 'name':'-'+str(wg.group_acronym.acronym)+'-', 'activeDrafts':'on'})
    if not form_related.is_valid():
        raise ValueError("form_related did not validate")
    (docs_related,meta_related) = search_query(form_related.cleaned_data)
    docs_related_pruned = []
    for d in docs_related:
        if d.id.draft_name_and_revision().count('-ietf-') == 0:
             docs_related_pruned.append(d)
        
    return render_to_response('wginfo/wg_documents.html', {'wg': wg, 'concluded':concluded, 'selected':'documents', 'docs':docs,  'meta':meta, 
                                                           'docs_related':docs_related_pruned, 'meta_related':meta_related}, RequestContext(request))

def wg_charter(request, acronym):
    wg = get_object_or_404(IETFWG, group_acronym__acronym=acronym, group_type=1)
    concluded = (wg.status_id != 1)
    return render_to_response('wginfo/wg_charter.html', {'wg': wg, 'concluded':concluded, 'selected':'charter'}, RequestContext(request))