#!/bin/bash

# Licensed 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.

if [[ $# -ne 1 ]]; then
    echo "usage: $0 PROJECT"
    echo
    echo "PROJECT = something like keystone, glance, or nova"
    exit 1
fi

project=$1

# checks command exist or not
function does_exist {
    which $@ > /dev/null 2>&1
    local status=$?
    if [[ $status -ne 0 ]]; then
        echo "error: $1 not installed"
        exit 1
    fi
}

does_exist virtualenv
does_exist pip
does_exist git

if [[ ! -e $HOME/.gitconfig ]]; then
    echo "note: ~/.gitconfig does not exist"
fi

if [[ ! -e .venv ]]; then
    virtualenv -p python2.7 .venv
fi

source .venv/bin/activate

pip install --upgrade openstack-doc-tools
pip install --upgrade pbr

if [[ $project == 'gnocchi' ]]; then
    pip install --upgrade ${project}client
else
    pip install --upgrade python-${project}client
fi
# python-openstackclient has plugin interface.
# It needs to install plugin packages
# (i.e. python-ironicclient).
osc_plugins=(congress cue designate ironic heat ironic-inspector- tuskar zaqar)
if [[ $project == 'openstack' ]]; then
    for p in "${osc_plugins[@]}"
    do
        pip install --upgrade python-${p}client
    done
fi

rm -rf output
mkdir output

openstack-auto-commands --output-dir output $project

if [[ ! -e openstack-manuals ]]; then
    git clone git://git.openstack.org/openstack/openstack-manuals
fi

cd openstack-manuals

( git remote -v  | grep -q gerrit ) || git review -s

git checkout master
git pull
branch=update_client_$project
git branch --list $branch && git branch -D $branch
git checkout -b $branch
mv ../output/ch_cli_${project}_commands.xml doc/cli-reference/generated
version=$($project --version 2>&1)
git commit -a -m "Update CLI reference for python-${project}client ${version##* }"