#!/usr/bin/env python
# encoding: utf8
#
# Copyright © Burak Arslan <burak at arskom dot com dot tr>,
#             Arskom Ltd. http://www.arskom.com.tr
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#    1. Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#    2. 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.
#    3. Neither the name of the owner nor the names of its contributors may be
#       used to endorse or promote products derived from this software without
#       specific prior written permission.
#
# 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 HOLDER BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#


import logging

logging.basicConfig(level=logging.DEBUG)

import uuid

from datetime import datetime
from pprint import pprint

from lxml import etree
from lxml.builder import E

from spyne import AnyXml, Uuid, Unicode, String, Integer, Decimal, DateTime, \
    XmlData, ComplexModel, XmlAttribute

from spyne.util.xml import get_schema_documents
from spyne.util.xml import get_object_as_xml
from spyne.util.xml import get_xml_as_object
from spyne.util.xml import get_validation_schema


class Punk(ComplexModel):
    __namespace__ = 'some_namespace'

    a = String
    b = Integer
    c = Decimal
    d = DateTime


class DateTimeWithAttribute(ComplexModel):
    value = XmlData(DateTime)
    f = XmlAttribute(Unicode)


class Foo(ComplexModel):
    __namespace__ = 'some_other_namespace'

    a = String
    b = Integer
    c = Decimal
    d = DateTimeWithAttribute
    e = XmlAttribute(Integer)


class ProductEdition(ComplexModel):
    __namespace__ = 'kickass_namespace'

    id = XmlAttribute(Uuid)
    name = XmlData(Unicode)
    addtl = XmlData(AnyXml)


class Product(ComplexModel):
    __namespace__ = 'kickass_namespace'

    id = XmlAttribute(Uuid)
    edition = ProductEdition


docs = get_schema_documents([Punk, Foo, Product])
pprint(docs)
print()

pprint({k: v.attrib['targetNamespace'] for k, v in docs.items()})

# the default ns prefix is always tns
print("the default namespace %r:" % docs['tns'].attrib['targetNamespace'])
print(etree.tostring(docs['tns'], pretty_print=True, encoding='unicode'))
print()

# Namespace prefixes are assigned like s0, s1, s2, etc...
print("the other namespace %r:" % docs['s0'].attrib['targetNamespace'])
print(etree.tostring(docs['s0'], pretty_print=True, encoding='unicode'))
print()

print("the other namespace %r:" % docs['s2'].attrib['targetNamespace'])
print(etree.tostring(docs['s2'], pretty_print=True, encoding='unicode'))
print()

# Object serialization and deserialization
foo = Foo(
    a='a',
    b=1,
    c=3.4,
    d=DateTimeWithAttribute(value=datetime(2011, 2, 20), f='f'),
    e=5,
)

doc = get_object_as_xml(foo, Foo)
print()
print(etree.tostring(doc, pretty_print=True, encoding='unicode'))
print(get_xml_as_object(doc, Foo))
print()

# could be anything, really
elt = E.tag(E.subtag("subdata"))

# XmlData example.
print("Product output (illustrates XmlData):")
product = Product(
    id=uuid.uuid4(),
    edition=ProductEdition(id=uuid.uuid4(), name='My edition', addtl=elt)
)

print()
print(etree.tostring(
    get_object_as_xml(product, Product),
    pretty_print=True, encoding='unicode'
))

# See http://lxml.de/validation.html to see what this could be used for.
print(get_validation_schema([Punk, Foo]))