#!/usr/bin/env bash

# ----------- 请根据实际情况，修改如下配置 ------------ #

#是否安装测试数据(on:是，off:否)
SITE_DEMO=off

#站点域名(不包括http)
SITE_DOMAIN=abc.com

#站点密钥(数字字母组合，不要用特殊字符)
SITE_KEY=1qaz2wsx3edc

#mysql超级用户密码（数字字母组合，不要用特殊字符）
MYSQL_ROOT_PASSWORD=1qaz2wsx3edc

#mysql主机名称（非独立实例请不要修改，独立实例填写主机IP）
MYSQL_HOST=mysql

#mysql主机端口（非独立实例请不要修改）
MYSQL_PORT=3306

#mysql项目数据库名称（数字字母组合，不要用特殊字符）
MYSQL_DATABASE=ctc

#mysql项目数据库用户（数字字母组合，不要用特殊字符）
MYSQL_USER=ctc

#mysql项目数据库密码（数字字母组合，不要用特殊字符）
MYSQL_PASSWORD=1qaz2wsx3edc

#redis主机名称（非独立实例请不要修改，独立实例填写主机IP）
REDIS_HOST=redis

#redis访问密码（数字字母组合，不要用特殊字符）
REDIS_PASSWORD=1qaz2wsx3edc

# ------------ @@@ 以下内容，非专业人士请勿修改，新手请远离！ @@@ ------------- #

#基准目录
base_dir=~/ctc-docker

#ctc目录
ctc_dir=${base_dir}/html/ctc

#成功信息输出
success_print() {
  echo -e "\033[32m $1 \033[0m"
}

#失败信息输出
error_print() {
  echo -e "\033[31m $1 \033[0m"
}

#系统判断
os_type() {
  os=$(grep "^ID=" /etc/os-release)
  if [[ ${os} =~ 'centos' ]]; then
    echo 'centos'
  elif [[ ${os} =~ 'ubuntu' ]]; then
    echo 'ubuntu'
  elif [[ ${os} =~ 'debian' ]]; then
    echo 'debian'
  else
    echo 'other'
  fi
}

#判断是否root用户
if [[ $EUID -ne 0 ]]; then
  error_print "\n------ this script must be run as root ------\n"
  exit 1
fi

#安装git和curl
if [ "$(os_type)" = 'ubuntu' ] || [ "$(os_type)" = 'debian' ]; then
  sudo apt-get update && apt-get install -y curl git
elif [ "$(os_type)" = 'centos' ]; then
  sudo yum update && yum install -y curl git
else
  error_print "\n------ we only support (ubuntu|debian|centos) currently ------\n"
  exit 1
fi

#克隆ctc-docker项目
if [ ! -d ${base_dir} ]; then
  git clone https://gitee.com/koogua/course-tencent-cloud-docker.git ${base_dir}
else
  cd ${base_dir} && git pull
fi

#克隆ctc项目
if [ ! -d ${ctc_dir} ]; then
  git clone https://gitee.com/koogua/course-tencent-cloud.git ${ctc_dir}
else
  cd ${ctc_dir} && git pull
fi

#docker .env文件
docker_env=${base_dir}/.env

#复制环境变量文件
cp ${base_dir}/.env.default ${docker_env}

#替换docker .env配置项
sed -i "s/MYSQL_ROOT_PASSWORD.*/MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}/g" ${docker_env}
sed -i "s/MYSQL_DATABASE.*/MYSQL_DATABASE=${MYSQL_DATABASE}/g" ${docker_env}
sed -i "s/MYSQL_USER.*/MYSQL_USER=${MYSQL_USER}/g" ${docker_env}
sed -i "s/MYSQL_PASSWORD.*/MYSQL_PASSWORD=${MYSQL_PASSWORD}/g" ${docker_env}
sed -i "s/REDIS_PASSWORD.*/REDIS_PASSWORD=${REDIS_PASSWORD}/g" ${docker_env}

#nginx配置目录
nginx_conf_dir=${base_dir}/nginx/conf.d
nginx_default_conf=${nginx_conf_dir}/default.conf

#复制nginx站点配置文件
cp ${nginx_conf_dir}/default.conf.sample ${nginx_default_conf}

#替换nginx default.conf配置项
sed -i "s/server_name .*/server_name ${SITE_DOMAIN};/g" ${nginx_default_conf}

#ctc config目录
ctc_config_dir=${ctc_dir}/config
ctc_config_php=${ctc_config_dir}/config.php

#复制config.php
cp ${ctc_config_dir}/config.default.php ${ctc_config_php}

#替换config.php配置项
sed -i "s/\$config\['key'\].*/\$config['key'] = '${SITE_KEY}';/g" ${ctc_config_php}
sed -i "s/\$config\['db'\]\['host'\].*/\$config['db']['host'] = '${MYSQL_HOST}';/g" ${ctc_config_php}
sed -i "s/\$config\['db'\]\['port'\].*/\$config['db']['port'] = '${MYSQL_PORT}';/g" ${ctc_config_php}
sed -i "s/\$config\['db'\]\['dbname'\].*/\$config['db']['dbname'] = '${MYSQL_DATABASE}';/g" ${ctc_config_php}
sed -i "s/\$config\['db'\]\['username'\].*/\$config['db']['username'] = '${MYSQL_USER}';/g" ${ctc_config_php}
sed -i "s/\$config\['db'\]\['password'\].*/\$config['db']['password'] = '${MYSQL_PASSWORD}';/g" ${ctc_config_php}
sed -i "s/\$config\['redis'\]\['host'\].*/\$config['redis']['host'] = '${REDIS_HOST}';/g" ${ctc_config_php}
sed -i "s/\$config\['redis'\]\['auth'\].*/\$config['redis']['auth'] = '${REDIS_PASSWORD}';/g" ${ctc_config_php}
sed -i "s/\$config\['websocket'\]\['connect_address'\].*/\$config['websocket']['connect_address'] = '${SITE_DOMAIN}:8282';/g" ${ctc_config_php}

#复制xunsearch配置文件
cp ${ctc_config_dir}/xs.course.default.ini ${ctc_config_dir}/xs.course.ini
cp ${ctc_config_dir}/xs.article.default.ini ${ctc_config_dir}/xs.article.ini
cp ${ctc_config_dir}/xs.question.default.ini ${ctc_config_dir}/xs.question.ini

#安装docker
if [ -z "$(command -v docker)" ]; then
  sudo bash ${base_dir}/get-docker.sh
  sudo systemctl enable docker
  sudo systemctl start docker
fi

if [ -z "$(command -v docker)" ]; then
  error_print "\n------ error: docker command not found, please try again ------\n"
  exit 1
fi

if [ ! -d '/etc/docker' ]; then
  sudo mkdir -p '/etc/docker'
fi

#docker镜像加速
if [ ! -e '/etc/docker/daemon.json' ]; then
  sudo echo '{"registry-mirrors": ["https://mirror.ccs.tencentyun.com"]}' | tee /etc/docker/daemon.json
  sudo systemctl daemon-reload
  sudo systemctl restart docker
  sudo chmod 666 /var/run/docker.sock
fi

docker_compose_url="https://download.koogua.com/docker-compose-$(uname -s)-$(uname -m)"

#安装docker-composer（路径转小写）
if [ -z "$(command -v docker-compose)" ]; then
  sudo curl -L "${docker_compose_url,,}" -o /usr/local/bin/docker-compose
  sudo chmod +x /usr/local/bin/docker-compose
fi

if [ -z "$(command -v docker-compose)" ]; then
  error_print "\n------ error: docker-compose command not found, please try again ------\n"
  exit 1
fi

#切换到基准目录
cd ${base_dir} || exit

#构建镜像
docker-compose build

#启动容器
docker-compose up -d

docker exec -i ctc-php bash <<'EOF'

ctc_dir=/var/www/html/ctc
tmp_sitemap_xml=${ctc_dir}/storage/tmp/sitemap.xml
public_sitemap_xml=${ctc_dir}/public/sitemap.xml

#创建并连接sitemap.xml
if [ ! -e ${tmp_sitemap_xml} ]; then
  touch ${tmp_sitemap_xml}
fi

#覆盖软连接，避免错误的软连接
ln -sf ${tmp_sitemap_xml} ${public_sitemap_xml}

#统一ctc目录权限
chown -R www-data:www-data ${ctc_dir}

#判断mysql容器是否已经启动成功
until nc -z -v -w30 mysql 3306 &> /dev/null
do
  echo "waiting for database connection..."
  sleep 1
done

exit
EOF

#导入测试数据
if [ ${SITE_DEMO} = 'on' ]; then

  demo_sql=${base_dir}/mysql/data/demo.sql.gz

  echo -e "\n------ start import demo data ------\n"

  curl https://download.koogua.com/ctc/demo.sql.gz -o ${demo_sql}

  docker exec -i ctc-mysql bash <<'EOF'

  gunzip < /var/lib/mysql/demo.sql.gz | mysql -u ${MYSQL_USER} -p${MYSQL_PASSWORD} ${MYSQL_DATABASE}

  exit

EOF

  rm -f ${demo_sql}

  echo -e "\n------ finish import demo data ------\n"

fi

#使用www-data用户运行，避免权限问题
docker exec -i --user www-data:www-data ctc-php bash <<'EOF'

ctc_dir=/var/www/html/ctc

#切换到ctc目录
cd ${ctc_dir}

#安装依赖包
composer install --no-dev
composer dump-autoload --optimize

#数据迁移
vendor/bin/phinx migrate

#程序升级
php console.php upgrade

#重建xunsearch索引
php console.php course_index rebuild
php console.php article_index rebuild
php console.php question_index rebuild

#清理log（之前步骤以root身份产生日志会让www-data用户无写入权限）
rm -f storage/log/*.log

exit
EOF

#重启php容器（websocket依赖WorkerGateway相关包，之前启动php容器时并未安装相关包）
docker container restart ctc-php

docker_ps=$(docker ps)

if [[ "${docker_ps}" =~ 'nginx' ]]; then
  success_print "nginx service ok\n"
else
  error_print "nginx service failed\n"
fi

if [[ "${docker_ps}" =~ 'php' ]]; then
  success_print "php service ok\n"
else
  error_print "php service failed\n"
fi

if [[ "${docker_ps}" =~ 'mysql' ]]; then
  success_print "mysql service ok\n"
else
  error_print "mysql service failed\n"
fi

if [[ "${docker_ps}" =~ 'redis' ]]; then
  success_print "redis service ok\n"
else
  error_print "redis service failed\n"
fi

if [[ "${docker_ps}" =~ 'xunsearch' ]]; then
  success_print "xunsearch service ok\n"
else
  error_print "xunsearch service failed\n"
fi