#!/usr/bin/env bash
# Copyright 1999-2019 Seata.io Group.
#
# 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.

# etcd REST API v3.
# author:wangyuewen

# shellcheck disable=SC2039,SC2162,SC2046,SC2013,SC2002
echo -e "Please enter the host of etcd3.\n请输入etcd3的host [localhost]:"
read -p ">>> " host
echo -e "Please enter the port of etcd3.\n请输入etcd3的port [2379]:"
read -p ">>> " port
read -p "Are you sure to continue? [y/n]" input
case $input in
    [yY]*)
        if [[ -z ${host} ]]; then
            host=localhost
        fi
        if [[ -z ${port} ]]; then
            port=2379
        fi
        ;;
    [nN]*)
        exit
        ;;
    *)
        echo "Just enter y or n, please."
        exit
        ;;
esac

etcd3Addr=$host:$port
contentType="content-type:application/json;charset=UTF-8"
echo "Set etcd3Addr=$etcd3Addr"

failCount=0
tempLog=$(mktemp -u)
function addConfig() {
  keyBase64=$(printf "%s""$2" | base64)
	valueBase64=$(printf "%s""$3" | base64)
  curl -X POST -H "${1}" -d "{\"key\": \"$keyBase64\", \"value\": \"$valueBase64\"}" "http://$4/v3/kv/put" >"${tempLog}" 2>/dev/null
  if [[ -z $(cat "${tempLog}") ]]; then
    echo " Please check the cluster status. "
    exit 1
  fi
  if [[ $(cat "${tempLog}") =~ "error" || $(cat "${tempLog}") =~ "code" ]]; then
    echo "Set $2=$3 failure "
    (( failCount++ ))
  else
    echo "Set $2=$3 successfully "
 fi
}

count=0
COMMENT_START="#"
for line in $(cat $(dirname "$PWD")/config.txt | sed s/[[:space:]]//g); do
  if [[ "$line" =~ ^"${COMMENT_START}".*  ]]; then
      continue
  fi
  (( count++ ))
  key=${line%%=*}
	value=${line#*=}
	addConfig "${contentType}" "${key}" "${value}" "${etcd3Addr}"
done

echo "========================================================================="
echo " Complete initialization parameters,  total-count:$count ,  failure-count:$failCount "
echo "========================================================================="

if [[ ${failCount} -eq 0 ]]; then
	echo " Init etcd3 config finished, please start seata-server. "
else
	echo " Init etcd3 config fail. "
fi