#!/bin/bash
# init_config.sh
# init enviroment config scripts.
# @version    170322:1
# @author     zhangxuhong <zhangxuhong@xitu.io>
#

# ----------------------------[manual config here]------------------------------


# base config
REPO_SRC=/data/repo/baidu_link_submit_ms
REPO_NAME=baidu_link_submit_ms
BUILD_TARGET="${REPO_NAME}"
RELEASE_ENV=$1 # test, beta, online

# nginx config file type
DOMAIN_NAME="baidu-link-submit-ms.juejin.im"
PUBLIC_UPSTREAM_PORT=13100
PRIVATE_UPSTREAM_PORT=13100


# ------------------------------------------------------------------------------

# default config
NGINX_CONF_TMPL_PUBLIC="REPO_NAME.public.conf"
NGINX_CONF_TMPL_PRIVATE="REPO_NAME.private.conf"
SYSTEMCTL_CONF_TMPL_BETA="REPO_NAME.beta.service"
SYSTEMCTL_CONF_TMPL_RELEASE="REPO_NAME.online.service"

# auto generated config
# nginx
NGINX_CONFIG_TMPL_FOLDER="${REPO_SRC}/scripts/config_template/nginx"
NGINX_CONFIG_DEPLOY_FOLDER="${REPO_SRC}/config/nginx"
NGINX_CONF_PUBLIC="${REPO_NAME}.public.conf"
NGINX_CONF_PRIVATE="${REPO_NAME}.private.conf"
NGINX_CONF_PUBLIC_ADDR="${NGINX_CONFIG_DEPLOY_FOLDER}/${NGINX_CONF_PUBLIC}"
NGINX_CONF_PRIVATE_ADDR="${NGINX_CONFIG_DEPLOY_FOLDER}/${NGINX_CONF_PRIVATE}"

if [ "${PUBLIC_UPSTREAM_PORT}" != "" ]; then
    UPSTREAM_ADDR_PUBLIC="127.0.0.1:${PUBLIC_UPSTREAM_PORT}"
fi
if [ "${PRIVATE_UPSTREAM_PORT}" != "" ]; then
    UPSTREAM_ADDR_PRIVATE="127.0.0.1:${PRIVATE_UPSTREAM_PORT}"
fi

# systemctl
SYSTEMCTL_CONFIG_TMPL_FOLDER="${REPO_SRC}/scripts/config_template/systemctl"
SYSTEMCTL_CONFIG_DEPLOY_FOLDER="${REPO_SRC}/config/systemctl"
SYSTEMCTL_CONF="${REPO_NAME}.service"
SYSTEMCTL_CONF_ADDR="${SYSTEMCTL_CONFIG_DEPLOY_FOLDER}/${SYSTEMCTL_CONF}"

# release env
if [ "$RELEASE_ENV" == "dev" ]; then
    RELEASE_ENV_LOCATION="$RELEASE_ENV"
elif [ "$RELEASE_ENV" == "beta" ]; then
    RELEASE_ENV_LOCATION="$RELEASE_ENV"
elif [ "$RELEASE_ENV" == "online" ]; then
    RELEASE_ENV_LOCATION="$RELEASE_ENV"
else
    RELEASE_ENV_LOCATION=""
fi
if [ "$RELEASE_ENV_LOCATION" == "" ]; then
    echo "please input an avaliable deploy environment [dev/beta/online]";
    echo "example: ./init_config.sh.sh beta";
    exit 1;
fi

# ------------------------------------------------------------------------------

# scripts start

# check env
NOW_PWD=`pwd`
if [ "$NOW_PWD" != "${REPO_SRC}/scripts" ] && [ "$NOW_PWD" != "${REPO_SRC}" ]; then
    echo -e "\033[43m[WARRING!] PWD is ${NOW_PWD}, but REPO_SRC is ${REPO_SRC} \033[0m";
    echo -e "please check your REPO_SRC config to make sure that you config this file correctly.";
    exit 1;
fi


# [init nginx config]

# deploy tmpl config to deploy folder
# for public config
if [ "${PUBLIC_UPSTREAM_PORT}" != "" ]; then
    # deploy tmpl config to deploy folder
    if [ -f "${NGINX_CONF_PUBLIC_ADDR}" ]; then
        rm -f "${NGINX_CONF_PUBLIC_ADDR}";
    fi
    cp "${NGINX_CONFIG_TMPL_FOLDER}/${NGINX_CONF_TMPL_PUBLIC}" "${NGINX_CONF_PUBLIC_ADDR}";
    # replace config param
    sed -i "s/REPO_NAME/${REPO_NAME}/g" "${NGINX_CONF_PUBLIC_ADDR}";
    # replace domain name
    sed -i "s/DOMAIN_NAME/${DOMAIN_NAME}/g" "${NGINX_CONF_PUBLIC_ADDR}";
    # replace upstream addr
    sed -i "s/UPSTREAM_ADDR/${UPSTREAM_ADDR_PUBLIC}/g" "${NGINX_CONF_PUBLIC_ADDR}";
fi

# for private config
if [ "${PRIVATE_UPSTREAM_PORT}" != "" ]; then
    # deploy tmpl config to deploy folder
    if [ -f "${NGINX_CONF_PRIVATE_ADDR}" ]; then
        rm -f "${NGINX_CONF_PRIVATE_ADDR}";
    fi
    cp "${NGINX_CONFIG_TMPL_FOLDER}/${NGINX_CONF_TMPL_PRIVATE}" "${NGINX_CONF_PRIVATE_ADDR}"
    # replace config param
    sed -i "s/REPO_NAME/${REPO_NAME}/g" "${NGINX_CONF_PRIVATE_ADDR}";
    # replace domain name
    sed -i "s/DOMAIN_NAME/${DOMAIN_NAME}/g" "${NGINX_CONF_PRIVATE_ADDR}";
    # replace upstream addr
    sed -i "s/UPSTREAM_ADDR/${UPSTREAM_ADDR_PRIVATE}/g" "${NGINX_CONF_PRIVATE_ADDR}";
fi


# [init systemctl config]

# deploy tmpl config to deploy folder
# for beta service
if [ "${RELEASE_ENV_LOCATION}" == "beta" ]; then
    if [ -f "${SYSTEMCTL_CONF_ADDR}" ]; then
        rm -f "${SYSTEMCTL_CONF_ADDR}";
    fi
    cp "${SYSTEMCTL_CONFIG_TMPL_FOLDER}/${SYSTEMCTL_CONF_TMPL_BETA}" "${SYSTEMCTL_CONF_ADDR}"
    # replace repo name
    sed -i "s/REPO_NAME/${REPO_NAME}/g" "${SYSTEMCTL_CONF_ADDR}";
    # replace build target
    sed -i "s/BUILD_TARGET/${BUILD_TARGET}/g" "${SYSTEMCTL_CONF_ADDR}";
fi

# for online service
if [ "${RELEASE_ENV_LOCATION}" == "online" ]; then
    if [ -f "${SYSTEMCTL_CONF_ADDR}" ]; then
        rm -f "${SYSTEMCTL_CONF_ADDR}";
    fi
    cp "${SYSTEMCTL_CONFIG_TMPL_FOLDER}/${SYSTEMCTL_CONF_TMPL_RELEASE}" "${SYSTEMCTL_CONF_ADDR}"
    # replace repo name
    sed -i "s/REPO_NAME/${REPO_NAME}/g" "${SYSTEMCTL_CONF_ADDR}";
    # replace build target
    sed -i "s/BUILD_TARGET/${BUILD_TARGET}/g" "${SYSTEMCTL_CONF_ADDR}";
fi



exit 0;