#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
SAT: a jabber client
Copyright (C) 2009, 2010  Jérôme Poisson (goffi@goffi.org)

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 3 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

from logging import debug, info, error
from xml.dom import minidom
from wokkel import data_form
import pdb

"""This library help manage XML used in SàT (parameters, registration, etc) """

    
def dataForm2xml(form):
    """Take a data form (xep-0004, Wokkel's implementation) and convert it to a SàT xml"""
    
    impl = minidom.getDOMImplementation()

    doc = impl.createDocument(None, "form", None)
    top_element = doc.documentElement
    
    #result_xml = ["<form>", "</form>"]
    if form.instructions:
        elem = doc.createElement('elem')
        elem.setAttribute('name','instructions')
        elem.setAttribute('type','text')
        text = doc.createTextNode('\n'.join(form.instructions))
        elem.appendChild(text)
        top_element.appendChild(elem)
    for field in form.fieldList:
        if field.fieldType == 'fixed':
            __field_type = 'text'
        elif field.fieldType == 'text-single':
            __field_type = "string"
        elif field.fieldType == 'text-private':
            __field_type = "password"
        elif field.fieldType == 'list-single':
            __field_type = "list"
        else:
            error (u"FIXME FIXME FIXME: Type [%s] is not managed yet by SàT" % field.fieldType)
            __field_type = "string"
        
        elem = doc.createElement('elem')
        if field.var:
            elem.setAttribute('name', field.var)
        elem.setAttribute('type', __field_type)
        elem.setAttribute('label', field.label or "")
        if field.value:
            elem.setAttribute('value', field.value)
        top_element.appendChild(elem)
        for option in field.options:
            opt = doc.createElement('option')
            opt.setAttribute('value', option.value)
            elem.appendChild(opt)
    result = doc.toxml()
    doc.unlink()
    return result

def tupleList2dataForm(values):
    """convert a list of tuples (name,value) to a wokkel submit data form"""
    form = data_form.Form('submit')
    for value in values:
        field = data_form.Field(var=value[0], value=value[1])
        form.addField(field)

    return form