#!/usr/bin/env bash
# Copyright © 2023 OpenIM. All rights reserved.
#
# 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.

# Script to generate docs from the latest swagger spec.

set -o errexit
set -o nounset
set -o pipefail

# The root of the build/dist directory
OPENIM_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
source ${OPENIM_ROOT}/scripts/lib/util.sh

mkdir -p ${OPENIM_OUTPUT_TMP}
cd ${OPENIM_OUTPUT_TMP}

# gendocs takes "input.json" as the input swagger spec.
# $1 is expected to be <group>_<version>
cp ${OPENIM_OUTPUT_TMP}/swagger-source/"$1".json ${OPENIM_OUTPUT_TMP}/input.json

./gradle-2.5/bin/gradle gendocs --info

#insert a TOC for top level API objects
buf="== Top Level API Objects\n\n"
top_level_models=$(grep '&[A-Za-z]*{},' /register.go | sed 's/.*&//;s/{},//')

# check if the top level models exist in the definitions.adoc. If they exist,
# their name will be <version>.<model_name>
VERSION="${1#*_}"
for m in ${top_level_models}
do
  if grep -xq "=== ${VERSION}.${m}" ./definitions.adoc
  then
    buf+="* <<${VERSION}.${m}>>\n"
  fi
done
sed -i "1i ${buf}" ./definitions.adoc

# fix the links in .adoc, replace <<x.y>> with link:definitions.html#_x_y[x.y], and lowercase the _x_y part
sed -i -e 's|<<\(.*\)\.\(.*\)>>|link:#_\L\1_\2\E[\1.\2]|g' ./definitions.adoc
sed -i -e 's|<<\(.*\)\.\(.*\)>>|link:../definitions#_\L\1_\2\E[\1.\2]|g' ./paths.adoc

# fix the link to <<any>>
sed -i -e 's|<<any>>|link:#_any[any]|g' ./definitions.adoc
sed -i -e 's|<<any>>|link:../definitions#_any[any]|g' ./paths.adoc

# change the title of paths.adoc from "paths" to "operations"
sed -i 's|== Paths|== Operations|g' ./paths.adoc

# $$ has special meaning in asciidoc, we need to escape it
sed -i 's|\$\$|+++$$+++|g' ./definitions.adoc

echo -e "=== any\nRepresents an untyped JSON map - see the description of the field for more info about the structure of this object." >> ./definitions.adoc

asciidoctor definitions.adoc
asciidoctor paths.adoc

cp ${OPENIM_OUTPUT_TMP}/definitions.html ${OPENIM_OUTPUT_TMP}/_output/
cp ${OPENIM_OUTPUT_TMP}/paths.html ${OPENIM_OUTPUT_TMP}/_output/operations.html

success "SUCCESS"