#!/usr/bin/python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

from generate import *

import uuid
from xml.etree import ElementTree

def gen_java_books(release, source_dir, output_dir):
    toplevel_pom = join(source_dir, "pom.xml")
    input_dir = join(source_dir, "doc")

    cpp_broker_book_url = "/releases/qpid-cpp-{{current_cpp_release}}/cpp-broker/book/"
    jms_client010_book_url = "/releases/qpid-java-{}/jms-client-0-10/book/".format(release)

    call("mvn -f {} -pl doc -amd -Ddoc=true package -DqpidCppBook={} -DqpidJmsClient010Book={}",
         toplevel_pom,
         cpp_broker_book_url,
         jms_client010_book_url)

    java_broker_input_dir = join(input_dir, "java-broker", "target", "docbkx")
    jms_client08_input_dir = join(input_dir, "jms-client-0-8", "target", "docbkx")
    jms_client010_input_dir = join(input_dir, "jms-client-0-10", "target", "docbkx")

    java_broker_output_dir = join(output_dir, "java-broker")
    jms_client08_output_dir = join(output_dir, "jms-client-0-8")
    jms_client010_output_dir = join(output_dir, "jms-client-0-10")

    remove(java_broker_output_dir)
    remove(jms_client08_output_dir)
    remove(jms_client010_output_dir)

    copy(java_broker_input_dir, join(java_broker_output_dir, "book"))
    copy(jms_client08_input_dir, join(jms_client08_output_dir, "book"))
    copy(jms_client010_input_dir, join(jms_client010_output_dir, "book"))

    output_dirs = [java_broker_output_dir, jms_client08_output_dir, jms_client010_output_dir]

    for dir in output_dirs:
        for path in find(dir, "*.html"):
            print path

            tree = ElementTree.parse(path)
            elem = tree.find(".//{http://www.w3.org/1999/xhtml}body")

            elem.tag = "div"
            elem.set("class", "docbook")

            remove_namespace(elem, "http://www.w3.org/1999/xhtml")

            # A hack to preserve docbook's empty anchors in an
            # IE-compatible way

            target = str(uuid.uuid4())

            for a in tree.iter("a"):
                if a.text is None:
                    a.text = target

            content = ElementTree.tostring(elem)
            content = content.replace(target, "")

            write("{}.in".format(path), content)
            remove(path)

def infile_replace(filename, old_string, new_string):
    fileContent = ""
    with open(filename,'r') as f:
        fileContent=f.read()
    if old_string in fileContent:
        newContent=fileContent.replace(old_string, new_string)
        with open(filename,'w') as f:
            f.write(newContent)
            f.flush()

# From http://homework.nwsnet.de/releases/45be/
def remove_namespace(doc, namespace):
    """Remove namespace in the passed document in place."""
    ns = u'{%s}' % namespace
    nsl = len(ns)
    for elem in doc.getiterator():
        if elem.tag.startswith(ns):
            elem.tag = elem.tag[nsl:]

def gen_java_examples(release, source_dir, release_dir):
    component_dir = join(release_dir, "qpid-jms")
    input_dir = join(source_dir, "client", "example", "src", "main",
                     "java", "org", "apache", "qpid", "example")
    output_dir = join(component_dir, "examples")

    release_url = "https://github.com/apache/qpid-broker-j/tree/{}".format(release)
    readme_url = "{}/client/README.txt".format(release_url)
    source_url = "{}/client/example/src/main/java/org/apache/qpid/example".format(release_url)

    input_names = list_dir(input_dir, "*.java", "*.properties")

    for name in input_names:
        lang = "java"

        if name.endswith(".properties"):
            lang = "ini"

        gen_example_page(release=release,
                         input_dir=input_dir,
                         input_name=name,
                         output_dir=output_dir,
                         lang=lang)

    gen_examples_index(release=release,
                       input_names=input_names,
                       output_dir=output_dir,
                       title="Qpid JMS Examples (AMQP 0-10)",
                       readme_url=readme_url,
                       source_url=source_url)

## Now do stuff ##

release, issues_release, source_release, release_dir, checkout_dir = setup_release_script()
source_dir = checkout_dir or fetch_source("broker-j", source_release)

gen_java_books(release, source_dir, release_dir)
gen_java_examples(release, source_dir, release_dir)

notice("Docs generated")